Satoshis Dream (#159)

xmr.to integration

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 25
-        versionCode 51
-        versionName "1.2.11"
+        versionCode 62
+        versionName "1.3.2 'Satoshis Dream'"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {

app/src/main/java/com/m2049r/xmrwallet/ReceiveFragment.java

@@ -46,6 +46,7 @@ import com.google.zxing.WriterException;
 import com.google.zxing.common.BitMatrix;
 import com.google.zxing.qrcode.QRCodeWriter;
 import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
@@ -304,14 +305,14 @@ public class ReceiveFragment extends Fragment {
             return;
         }
         StringBuffer sb = new StringBuffer();
-        sb.append(ScannerFragment.QR_SCHEME).append(address);
+        sb.append(BarcodeData.XMR_SCHEME).append(address);
         boolean first = true;
         if (!paymentId.isEmpty()) {
             if (first) {
                 sb.append("?");
                 first = false;
             }
-            sb.append(ScannerFragment.QR_PAYMENTID).append('=').append(paymentId);
+            sb.append(BarcodeData.XMR_PAYMENTID).append('=').append(paymentId);
         }
         if (!xmrAmount.isEmpty()) {
             if (first) {
@@ -319,7 +320,7 @@ public class ReceiveFragment extends Fragment {
             } else {
                 sb.append("&");
             }
-            sb.append(ScannerFragment.QR_AMOUNT).append('=').append(xmrAmount);
+            sb.append(BarcodeData.XMR_AMOUNT).append('=').append(xmrAmount);
         }
         String text = sb.toString();
         int size = Math.min(qrCode.getHeight(), qrCode.getWidth());

app/src/main/java/com/m2049r/xmrwallet/ScannerFragment.java

@@ -36,7 +36,7 @@ public class ScannerFragment extends Fragment implements ZXingScannerView.Result
     private OnScannedListener onScannedListener;
 
     public interface OnScannedListener {
-        boolean onScanned(String uri);
+        boolean onScanned(String qrCode);
     }
 
     private ZXingScannerView mScannerView;
@@ -56,10 +56,6 @@ public class ScannerFragment extends Fragment implements ZXingScannerView.Result
         mScannerView.startCamera();
     }
 
-    static final String QR_SCHEME = "monero:";
-    static final String QR_PAYMENTID = "tx_payment_id";
-    static final String QR_AMOUNT = "tx_amount";
-
     @Override
     public void handleResult(Result rawResult) {
         if ((rawResult.getBarcodeFormat() == BarcodeFormat.QR_CODE)) {

app/src/main/java/com/m2049r/xmrwallet/SecureActivity.java

@@ -20,6 +20,10 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
 
+import com.m2049r.xmrwallet.util.Helper;
+
+import java.io.File;
+
 import static android.view.WindowManager.LayoutParams;
 
 public abstract class SecureActivity extends AppCompatActivity {
@@ -27,8 +31,9 @@ public abstract class SecureActivity extends AppCompatActivity {
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        File f = new File(Helper.getStorageRoot(this), "screenshot");
         // set FLAG_SECURE to prevent screenshots in Release Mode
-        if (!BuildConfig.DEBUG) {
+        if ((!BuildConfig.DEBUG) && (!f.exists())) {
             getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);
         }
     }

app/src/main/java/com/m2049r/xmrwallet/TxFragment.java

@@ -30,10 +30,13 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Transfer;
 import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.text.SimpleDateFormat;
@@ -68,12 +71,23 @@ public class TxFragment extends Fragment {
     private TextView etTxNotes;
     private Button bTxNotes;
 
+    // XMRTO stuff
+    private View cvXmrTo;
+    private TextView tvTxXmrToKey;
+    private TextView tvDestinationBtc;
+    private TextView tvTxAmountBtc;
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
 
         View view = inflater.inflate(R.layout.fragment_tx_info, container, false);
 
+        cvXmrTo = view.findViewById(R.id.cvXmrTo);
+        tvTxXmrToKey = (TextView) view.findViewById(R.id.tvTxXmrToKey);
+        tvDestinationBtc = (TextView) view.findViewById(R.id.tvDestinationBtc);
+        tvTxAmountBtc = (TextView) view.findViewById(R.id.tvTxAmountBtc);
+
         tvTxTimestamp = (TextView) view.findViewById(R.id.tvTxTimestamp);
         tvTxId = (TextView) view.findViewById(R.id.tvTxId);
         tvTxKey = (TextView) view.findViewById(R.id.tvTxKey);
@@ -94,7 +108,16 @@ public class TxFragment extends Fragment {
                 info.notes = null; // force reload on next view
                 bTxNotes.setEnabled(false);
                 etTxNotes.setEnabled(false);
-                activityCallback.onSetNote(info.hash, etTxNotes.getText().toString());
+                userNotes.setNote(etTxNotes.getText().toString());
+                activityCallback.onSetNote(info.hash, userNotes.txNotes);
+            }
+        });
+
+        tvTxXmrToKey.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.clipBoardCopy(getActivity(), getString(R.string.label_copy_xmrtokey), tvTxXmrToKey.getText().toString());
+                Toast.makeText(getActivity(), getString(R.string.message_copy_xmrtokey), Toast.LENGTH_SHORT).show();
             }
         });
 
@@ -175,12 +198,14 @@ public class TxFragment extends Fragment {
     }
 
     TransactionInfo info = null;
+    UserNotes userNotes = null;
 
     void loadNotes(TransactionInfo info) {
-        if (info.notes == null) {
+        if ((userNotes == null) || (info.notes == null)) {
             info.notes = activityCallback.getTxNotes(info.hash);
         }
-        etTxNotes.setText(info.notes);
+        userNotes = new UserNotes(info.notes);
+        etTxNotes.setText(userNotes.note);
     }
 
     private void setTxColour(int clr) {
@@ -266,8 +291,21 @@ public class TxFragment extends Fragment {
         tvTxTransfers.setText(sb.toString());
         tvDestination.setText(dstSb.toString());
         this.info = info;
+        showBtcInfo();
     }
 
+    void showBtcInfo() {
+        if (userNotes.xmrtoKey != null) {
+            cvXmrTo.setVisibility(View.VISIBLE);
+            tvTxXmrToKey.setText(userNotes.xmrtoKey);
+            tvDestinationBtc.setText(userNotes.xmrtoDestination);
+            tvTxAmountBtc.setText(userNotes.xmrtoAmount + " BTC");
+        } else {
+            cvXmrTo.setVisibility(View.GONE);
+        }
+    }
+
+
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java

@@ -23,7 +23,6 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.content.pm.PackageManager;
-import android.net.Uri;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.PowerManager;
@@ -38,17 +37,18 @@ import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.dialog.DonationFragment;
 import com.m2049r.xmrwallet.dialog.HelpFragment;
+import com.m2049r.xmrwallet.fragment.send.SendAddressWizardFragment;
+import com.m2049r.xmrwallet.fragment.send.SendFragment;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.service.WalletService;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
 import java.io.File;
-import java.util.HashMap;
-import java.util.Map;
 
 import timber.log.Timber;
 
@@ -465,7 +465,7 @@ public class WalletActivity extends SecureActivity implements WalletFragment.Lis
     }
 
     @Override
-    public void onTransactionCreated(final PendingTransaction pendingTransaction) {
+    public void onTransactionCreated(final String txTag, final PendingTransaction pendingTransaction) {
         try {
             final SendFragment sendFragment = (SendFragment)
                     getSupportFragmentManager().findFragmentById(R.id.fragment_container);
@@ -477,7 +477,7 @@ public class WalletActivity extends SecureActivity implements WalletFragment.Lis
                         getWallet().disposePendingTransaction();
                         sendFragment.onCreateTransactionFailed(errorText);
                     } else {
-                        sendFragment.onTransactionCreated(pendingTransaction);
+                        sendFragment.onTransactionCreated(txTag, pendingTransaction);
                     }
                 }
             });
@@ -588,11 +588,11 @@ public class WalletActivity extends SecureActivity implements WalletFragment.Lis
 ///////////////////////////
 
     @Override
-    public void onSend(String notes) {
+    public void onSend(UserNotes notes) {
         if (mIsBound) { // no point in talking to unbound service
             Intent intent = new Intent(getApplicationContext(), WalletService.class);
             intent.putExtra(WalletService.REQUEST, WalletService.REQUEST_CMD_SEND);
-            intent.putExtra(WalletService.REQUEST_CMD_SEND_NOTES, notes);
+            intent.putExtra(WalletService.REQUEST_CMD_SEND_NOTES, notes.txNotes);
             startService(intent);
             Timber.d("SEND TX request sent");
         } else {
@@ -617,11 +617,12 @@ public class WalletActivity extends SecureActivity implements WalletFragment.Lis
     }
 
     @Override
-    public void onPrepareSend(TxData txData) {
+    public void onPrepareSend(final String tag, final TxData txData) {
         if (mIsBound) { // no point in talking to unbound service
             Intent intent = new Intent(getApplicationContext(), WalletService.class);
             intent.putExtra(WalletService.REQUEST, WalletService.REQUEST_CMD_TX);
             intent.putExtra(WalletService.REQUEST_CMD_TX_DATA, txData);
+            intent.putExtra(WalletService.REQUEST_CMD_TX_TAG, tag);
             startService(intent);
             Timber.d("CREATE TX request sent");
         } else {
@@ -694,6 +695,7 @@ public class WalletActivity extends SecureActivity implements WalletFragment.Lis
 
     @Override
     public void onDisposeRequest() {
+        //TODO consider doing this through the WalletService to avoid concurrency issues
         getWallet().disposePendingTransaction();
     }
 

app/src/main/java/com/m2049r/xmrwallet/data/BarcodeData.java

@@ -19,6 +19,8 @@ package com.m2049r.xmrwallet.data;
 import android.net.Uri;
 
 import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.BitcoinAddressValidator;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -34,7 +36,7 @@ public class BarcodeData {
     static final String BTC_AMOUNT = "amount";
 
     public enum Asset {
-        XMR
+        XMR, BTC
     }
 
     public Asset asset = null;
@@ -67,6 +69,14 @@ public class BarcodeData {
         if (bcData == null) {
             bcData = parseMoneroNaked(qrCode);
         }
+        // check for btc uri
+        if (bcData == null) {
+            bcData = parseBitcoinUri(qrCode);
+        }
+        // check for naked btc addres
+        if (bcData == null) {
+            bcData = parseBitcoinNaked(qrCode);
+        }
         return bcData;
     }
 
@@ -134,4 +144,57 @@ public class BarcodeData {
 
         return new BarcodeData(Asset.XMR, address);
     }
+
+    // bitcoin:mpQ84J43EURZHkCnXbyQ4PpNDLLBqdsMW2?amount=0.01
+    static public BarcodeData parseBitcoinUri(String uri) {
+        Timber.d("parseBitcoinUri=%s", uri);
+
+        if (uri == null) return null;
+
+        if (!uri.startsWith(BTC_SCHEME)) return null;
+
+        String noScheme = uri.substring(BTC_SCHEME.length());
+        Uri bitcoin = Uri.parse(noScheme);
+        Map<String, String> parms = new HashMap<>();
+        String query = bitcoin.getQuery();
+        if (query != null) {
+            String[] args = query.split("&");
+            for (String arg : args) {
+                String[] namevalue = arg.split("=");
+                if (namevalue.length == 0) {
+                    continue;
+                }
+                parms.put(Uri.decode(namevalue[0]).toLowerCase(),
+                        namevalue.length > 1 ? Uri.decode(namevalue[1]) : "");
+            }
+        }
+        String address = bitcoin.getPath();
+        String amount = parms.get(BTC_AMOUNT);
+        if (amount != null) {
+            try {
+                Double.parseDouble(amount);
+            } catch (NumberFormatException ex) {
+                Timber.d(ex.getLocalizedMessage());
+                return null; // we have an amount but its not a number!
+            }
+        }
+        if (!BitcoinAddressValidator.validate(address, WalletManager.getInstance().isTestNet())) {
+            Timber.d("address invalid");
+            return null;
+        }
+        return new BarcodeData(BarcodeData.Asset.BTC, address, amount);
+    }
+
+    static public BarcodeData parseBitcoinNaked(String address) {
+        Timber.d("parseBitcoinNaked=%s", address);
+
+        if (address == null) return null;
+
+        if (!BitcoinAddressValidator.validate(address, WalletManager.getInstance().isTestNet())) {
+            Timber.d("address invalid");
+            return null;
+        }
+
+        return new BarcodeData(BarcodeData.Asset.BTC, address);
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/data/TxData.java

@@ -20,36 +20,38 @@ import android.os.Parcel;
 import android.os.Parcelable;
 
 import com.m2049r.xmrwallet.model.PendingTransaction;
+import com.m2049r.xmrwallet.util.UserNotes;
+
+import timber.log.Timber;
 
 // https://stackoverflow.com/questions/2139134/how-to-send-an-object-from-one-android-activity-to-another-using-intents
 public class TxData implements Parcelable {
 
+    public TxData() {
+    }
+
     public TxData(TxData txData) {
-        this.dst_addr = txData.dst_addr;
+        this.dstAddr = txData.dstAddr;
         this.paymentId = txData.paymentId;
         this.amount = txData.amount;
         this.mixin = txData.mixin;
         this.priority = txData.priority;
     }
 
-    public TxData(String dst_addr,
+    public TxData(String dstAddr,
                   String paymentId,
                   long amount,
                   int mixin,
                   PendingTransaction.Priority priority) {
-        this.dst_addr = dst_addr;
+        this.dstAddr = dstAddr;
         this.paymentId = paymentId;
         this.amount = amount;
         this.mixin = mixin;
         this.priority = priority;
     }
 
-    public long getFee() {
-        return 0L;
-    }
-
     public String getDestinationAddress() {
-        return dst_addr;
+        return dstAddr;
     }
 
     public String getPaymentId() {
@@ -68,15 +70,45 @@ public class TxData implements Parcelable {
         return priority;
     }
 
-    final private String dst_addr;
-    final private String paymentId;
-    final private long amount;
-    final private int mixin;
-    final private PendingTransaction.Priority priority;
+    public void setDestinationAddress(String dstAddr) {
+        this.dstAddr = dstAddr;
+    }
+
+    public void setPaymentId(String paymentId) {
+        this.paymentId = paymentId;
+    }
+
+    public void setAmount(long amount) {
+        this.amount = amount;
+    }
+
+    public void setMixin(int mixin) {
+        this.mixin = mixin;
+    }
+
+    public void setPriority(PendingTransaction.Priority priority) {
+        this.priority = priority;
+    }
+
+    public UserNotes getUserNotes() {
+        return userNotes;
+    }
+
+    public void setUserNotes(UserNotes userNotes) {
+        this.userNotes = userNotes;
+    }
+
+    private String dstAddr;
+    private String paymentId;
+    private long amount;
+    private int mixin;
+    private PendingTransaction.Priority priority;
+
+    private UserNotes userNotes;
 
     @Override
     public void writeToParcel(Parcel out, int flags) {
-        out.writeString(dst_addr);
+        out.writeString(dstAddr);
         out.writeString(paymentId);
         out.writeLong(amount);
         out.writeInt(mixin);
@@ -94,8 +126,8 @@ public class TxData implements Parcelable {
         }
     };
 
-    private TxData(Parcel in) {
-        dst_addr = in.readString();
+    protected TxData(Parcel in) {
+        dstAddr = in.readString();
         paymentId = in.readString();
         amount = in.readLong();
         mixin = in.readInt();
@@ -111,8 +143,8 @@ public class TxData implements Parcelable {
     @Override
     public String toString() {
         StringBuffer sb = new StringBuffer();
-        sb.append("dst_addr:");
-        sb.append(dst_addr);
+        sb.append("dstAddr:");
+        sb.append(dstAddr);
         sb.append(",paymentId:");
         sb.append(paymentId);
         sb.append(",amount:");

app/src/main/java/com/m2049r/xmrwallet/data/TxDataBtc.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.data;
+
+import android.os.Parcel;
+
+import com.m2049r.xmrwallet.model.PendingTransaction;
+
+public class TxDataBtc extends TxData {
+
+    private String xmrtoUuid;
+    private String btcAddress;
+    private double btcAmount;
+
+    public TxDataBtc() {
+        super();
+    }
+
+    public TxDataBtc(TxDataBtc txDataBtc) {
+        super(txDataBtc);
+    }
+
+    public String getXmrtoUuid() {
+        return xmrtoUuid;
+    }
+
+    public void setXmrtoUuid(String xmrtoUuid) {
+        this.xmrtoUuid = xmrtoUuid;
+    }
+
+    public String getBtcAddress() {
+        return btcAddress;
+    }
+
+    public void setBtcAddress(String btcAddress) {
+        this.btcAddress = btcAddress;
+    }
+
+    public double getBtcAmount() {
+        return btcAmount;
+    }
+
+    public void setBtcAmount(double btcAmount) {
+        this.btcAmount = btcAmount;
+    }
+
+    @Override
+    public void writeToParcel(Parcel out, int flags) {
+        super.writeToParcel(out, flags);
+        out.writeString(xmrtoUuid);
+        out.writeString(btcAddress);
+        out.writeDouble(btcAmount);
+    }
+
+    // this is used to regenerate your object. All Parcelables must have a CREATOR that implements these two methods
+    public static final Creator<TxDataBtc> CREATOR = new Creator<TxDataBtc>() {
+        public TxDataBtc createFromParcel(Parcel in) {
+            return new TxDataBtc(in);
+        }
+
+        public TxDataBtc[] newArray(int size) {
+            return new TxDataBtc[size];
+        }
+    };
+
+    protected TxDataBtc(Parcel in) {
+        super(in);
+        xmrtoUuid = in.readString();
+        btcAddress = in.readString();
+        btcAmount = in.readDouble();
+    }
+
+    @Override
+    public String toString() {
+        StringBuffer sb = new StringBuffer();
+        sb.append(",xmrtoUuid:");
+        sb.append(xmrtoUuid);
+        sb.append(",btcAddress:");
+        sb.append(btcAddress);
+        sb.append(",btcAmount:");
+        sb.append(btcAmount);
+        return sb.toString();
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAddressWizardFragment.java

@@ -14,13 +14,14 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.content.Context;
 import android.os.Bundle;
 import android.support.design.widget.TextInputLayout;
 import android.support.v7.widget.CardView;
 import android.text.Editable;
+import android.text.Html;
 import android.text.InputType;
 import android.text.TextWatcher;
 import android.view.KeyEvent;
@@ -32,9 +33,13 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
 
+import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.BarcodeData;
+import com.m2049r.xmrwallet.data.TxData;
+import com.m2049r.xmrwallet.data.TxDataBtc;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletManager;
+import com.m2049r.xmrwallet.util.BitcoinAddressValidator;
 import com.m2049r.xmrwallet.util.Helper;
 
 import timber.log.Timber;
@@ -56,12 +61,12 @@ public class SendAddressWizardFragment extends SendWizardFragment {
         return this;
     }
 
-    interface Listener {
-        void setAddress(final String address);
-
-        void setPaymentId(final String paymentId);
-
+    public interface Listener {
         void setBarcodeData(BarcodeData data);
+
+        void setMode(SendFragment.Mode mode);
+
+        TxData getTxData();
     }
 
     private EditText etDummy;
@@ -71,6 +76,8 @@ public class SendAddressWizardFragment extends SendWizardFragment {
     private CardView cvScan;
     private View tvPaymentIdIntegrated;
     private View llPaymentId;
+    private TextView tvXmrTo;
+    private View llXmrTo;
 
     OnScanListener onScanListener;
 
@@ -89,6 +96,9 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
         tvPaymentIdIntegrated = view.findViewById(R.id.tvPaymentIdIntegrated);
         llPaymentId = view.findViewById(R.id.llPaymentId);
+        llXmrTo = view.findViewById(R.id.llXmrTo);
+        tvXmrTo = (TextView) view.findViewById(R.id.tvXmrTo);
+        tvXmrTo.setText(Html.fromHtml(getString(R.string.info_xmrto)));
 
         etAddress = (TextInputLayout) view.findViewById(R.id.etAddress);
         etAddress.getEditText().setRawInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
@@ -113,12 +123,25 @@ public class SendAddressWizardFragment extends SendWizardFragment {
             public void afterTextChanged(Editable editable) {
                 etAddress.setError(null);
                 if (isIntegratedAddress()) {
+                    Timber.d("isIntegratedAddress");
                     etPaymentId.getEditText().getText().clear();
-                    llPaymentId.setVisibility(View.GONE);
+                    llPaymentId.setVisibility(View.INVISIBLE);
                     tvPaymentIdIntegrated.setVisibility(View.VISIBLE);
-                } else { // we don't
+                    llXmrTo.setVisibility(View.INVISIBLE);
+                    sendListener.setMode(SendFragment.Mode.XMR);
+                } else if (isBitcoinAddress()) {
+                    Timber.d("isBitcoinAddress");
+                    etPaymentId.getEditText().getText().clear();
+                    llPaymentId.setVisibility(View.INVISIBLE);
+                    tvPaymentIdIntegrated.setVisibility(View.INVISIBLE);
+                    llXmrTo.setVisibility(View.VISIBLE);
+                    sendListener.setMode(SendFragment.Mode.BTC);
+                } else {
+                    Timber.d("isStandardAddress");
                     llPaymentId.setVisibility(View.VISIBLE);
-                    tvPaymentIdIntegrated.setVisibility(View.GONE);
+                    tvPaymentIdIntegrated.setVisibility(View.INVISIBLE);
+                    llXmrTo.setVisibility(View.INVISIBLE);
+                    sendListener.setMode(SendFragment.Mode.XMR);
                 }
             }
 
@@ -188,13 +211,14 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private boolean checkAddressNoError() {
         String address = etAddress.getEditText().getText().toString();
-        return Wallet.isAddressValid(address);
+        return Wallet.isAddressValid(address)
+                || BitcoinAddressValidator.validate(address, WalletManager.getInstance().isTestNet());
     }
 
     private boolean checkAddress() {
         boolean ok = checkAddressNoError();
         if (!ok) {
-            etAddress.setError(getString(R.string.send_qr_address_invalid));
+            etAddress.setError(getString(R.string.send_address_invalid));
         } else {
             etAddress.setError(null);
         }
@@ -203,7 +227,16 @@ public class SendAddressWizardFragment extends SendWizardFragment {
 
     private boolean isIntegratedAddress() {
         String address = etAddress.getEditText().getText().toString();
-        return (address.length() == INTEGRATED_ADDRESS_LENGTH) && Wallet.isAddressValid(address);
+        return (address.length() == INTEGRATED_ADDRESS_LENGTH)
+                && Wallet.isAddressValid(address, WalletManager.getInstance().isTestNet());
+    }
+
+    private boolean isBitcoinAddress() {
+        String address = etAddress.getEditText().getText().toString();
+        if ((address.length() >= 27) && (address.length() <= 34))
+            return BitcoinAddressValidator.validate(address, WalletManager.getInstance().isTestNet());
+        else
+            return false;
     }
 
     private boolean checkPaymentId() {
@@ -235,8 +268,15 @@ public class SendAddressWizardFragment extends SendWizardFragment {
         }
         if (!ok) return false;
         if (sendListener != null) {
-            sendListener.setAddress(etAddress.getEditText().getText().toString());
-            sendListener.setPaymentId(etPaymentId.getEditText().getText().toString());
+            TxData txData = sendListener.getTxData();
+            if (isBitcoinAddress()) {
+                ((TxDataBtc) txData).setBtcAddress(etAddress.getEditText().getText().toString());
+                txData.setDestinationAddress(null);
+                txData.setPaymentId("");
+            } else {
+                txData.setDestinationAddress(etAddress.getEditText().getText().toString());
+                txData.setPaymentId(etPaymentId.getEditText().getText().toString());
+            }
         }
         return true;
     }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendAmountWizardFragment.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -22,10 +22,12 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.BarcodeData;
-import com.m2049r.xmrwallet.widget.ExchangeTextView;
+import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.widget.ExchangeTextView;
 import com.m2049r.xmrwallet.widget.NumberPadView;
 
 import timber.log.Timber;
@@ -48,7 +50,7 @@ public class SendAmountWizardFragment extends SendWizardFragment {
     interface Listener {
         SendFragment.Listener getActivityCallback();
 
-        void setAmount(final long amount);
+        TxData getTxData();
 
         BarcodeData popBarcodeData();
     }
@@ -99,9 +101,9 @@ public class SendAmountWizardFragment extends SendWizardFragment {
         if (sendListener != null) {
             String xmr = evAmount.getAmount();
             if (xmr != null) {
-                sendListener.setAmount(Wallet.getAmountFromString(xmr));
+                sendListener.getTxData().setAmount(Wallet.getAmountFromString(xmr));
             } else {
-                sendListener.setAmount(0L);
+                sendListener.getTxData().setAmount(0L);
             }
         }
         return true;

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcAmountWizardFragment.java

@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.fragment.send;
+
+import android.os.Bundle;
+import android.text.Html;
+import android.text.Spanned;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.data.BarcodeData;
+import com.m2049r.xmrwallet.data.TxDataBtc;
+import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.OkHttpClientSingleton;
+import com.m2049r.xmrwallet.widget.ExchangeBtcTextView;
+import com.m2049r.xmrwallet.widget.NumberPadView;
+import com.m2049r.xmrwallet.widget.SendProgressView;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderParameters;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.network.XmrToApiImpl;
+
+import java.text.NumberFormat;
+import java.util.Locale;
+
+import okhttp3.HttpUrl;
+import timber.log.Timber;
+
+public class SendBtcAmountWizardFragment extends SendWizardFragment {
+
+    public static SendBtcAmountWizardFragment newInstance(SendAmountWizardFragment.Listener listener) {
+        SendBtcAmountWizardFragment instance = new SendBtcAmountWizardFragment();
+        instance.setSendListener(listener);
+        return instance;
+    }
+
+    SendAmountWizardFragment.Listener sendListener;
+
+    public SendBtcAmountWizardFragment setSendListener(SendAmountWizardFragment.Listener listener) {
+        this.sendListener = listener;
+        return this;
+    }
+
+    private TextView tvFunds;
+    private ExchangeBtcTextView evAmount;
+    private NumberPadView numberPad;
+
+    private TextView tvXmrToParms;
+    private SendProgressView evParams;
+    private View llXmrToParms;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        Timber.d("onCreateView() %s", (String.valueOf(savedInstanceState)));
+
+        sendListener = (SendAmountWizardFragment.Listener) getParentFragment();
+
+        View view = inflater.inflate(R.layout.fragment_send_btc_amount, container, false);
+
+        tvFunds = (TextView) view.findViewById(R.id.tvFunds);
+
+        evParams = (SendProgressView) view.findViewById(R.id.evXmrToParms);
+        llXmrToParms = view.findViewById(R.id.llXmrToParms);
+
+        tvXmrToParms = (TextView) view.findViewById(R.id.tvXmrToParms);
+
+        evAmount = (ExchangeBtcTextView) view.findViewById(R.id.evAmount);
+        numberPad = (NumberPadView) view.findViewById(R.id.numberPad);
+        numberPad.setListener(evAmount);
+
+        Helper.hideKeyboard(getActivity());
+
+        return view;
+    }
+
+
+    @Override
+    public boolean onValidateFields() {
+        if (!evAmount.validate(maxBtc, minBtc)) {
+            return false;
+        }
+        if (sendListener != null) {
+            TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
+            String btcString = evAmount.getAmount();
+            if (btcString != null) {
+                try {
+                    double btc = Double.parseDouble(btcString);
+                    Timber.d("setAmount %f", btc);
+                    txDataBtc.setBtcAmount(btc);
+                } catch (NumberFormatException ex) {
+                    Timber.d(ex.getLocalizedMessage());
+                    txDataBtc.setBtcAmount(0);
+                }
+            } else {
+                txDataBtc.setBtcAmount(0);
+            }
+        }
+        return true;
+    }
+
+    double maxBtc = 0;
+    double minBtc = 0;
+
+    @Override
+    public void onPauseFragment() {
+        llXmrToParms.setVisibility(View.INVISIBLE);
+    }
+
+    @Override
+    public void onResumeFragment() {
+        super.onResumeFragment();
+        Timber.d("onResumeFragment()");
+        Helper.hideKeyboard(getActivity());
+        final long funds = getTotalFunds();
+        tvFunds.setText(getString(R.string.send_available,
+                Wallet.getDisplayAmount(funds)));
+        if ((evAmount.getAmount() == null) || evAmount.getAmount().isEmpty()) {
+            final BarcodeData data = sendListener.popBarcodeData();
+            if ((data != null) && (data.amount != null)) {
+                evAmount.setAmount(data.amount);
+            }
+        }
+        callXmrTo();
+    }
+
+    long getTotalFunds() {
+        return sendListener.getActivityCallback().getTotalFunds();
+    }
+
+    private QueryOrderParameters orderParameters = null;
+
+    private void processOrderParms(final QueryOrderParameters orderParameters) {
+        this.orderParameters = orderParameters;
+        getView().post(new Runnable() {
+            @Override
+            public void run() {
+                evAmount.setRate(1.0d / orderParameters.getPrice());
+                NumberFormat df = NumberFormat.getInstance(Locale.US);
+                df.setMaximumFractionDigits(6);
+                String min = df.format(orderParameters.getLowerLimit());
+                String max = df.format(orderParameters.getUpperLimit());
+                String rate = df.format(orderParameters.getPrice());
+                Spanned xmrParmText = Html.fromHtml(getString(R.string.info_send_xmrto_parms, min, max, rate));
+                if (orderParameters.isZeroConfEnabled()) {
+                    String zeroConf = df.format(orderParameters.getZeroConfMaxAmount());
+                    Spanned zeroConfText = Html.fromHtml(getString(R.string.info_send_xmrto_zeroconf, zeroConf));
+                    xmrParmText = (Spanned) TextUtils.concat(xmrParmText, " ", zeroConfText);
+                }
+                tvXmrToParms.setText(xmrParmText);
+                maxBtc = orderParameters.getUpperLimit();
+                minBtc = orderParameters.getLowerLimit();
+                Timber.d("minBtc=%f / maxBtc=%f", minBtc, maxBtc);
+
+                final long funds = getTotalFunds();
+                double availableXmr = 1.0 * funds / 1000000000000L;
+                maxBtc = Math.min(maxBtc, availableXmr * orderParameters.getPrice());
+
+                String availBtcString = df.format(availableXmr * orderParameters.getPrice());
+                String availXmrString = df.format(availableXmr);
+                tvFunds.setText(getString(R.string.send_available_btc,
+                        availXmrString,
+                        availBtcString));
+                llXmrToParms.setVisibility(View.VISIBLE);
+                evParams.hideProgress();
+            }
+        });
+    }
+
+    private void processOrderParmsError(final Exception ex) {
+        evAmount.setRate(0);
+        orderParameters = null;
+        maxBtc = 0;
+        minBtc = 0;
+        Timber.e(ex);
+        getView().post(new Runnable() {
+            @Override
+            public void run() {
+                if (ex instanceof XmrToException) {
+                    XmrToException xmrEx = (XmrToException) ex;
+                    XmrToError xmrErr = xmrEx.getError();
+                    if (xmrErr != null) {
+                        if (xmrErr.isRetryable()) {
+                            evParams.showMessage(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_retry));
+                            evParams.setOnClickListener(new View.OnClickListener() {
+                                @Override
+                                public void onClick(View v) {
+                                    evParams.setOnClickListener(null);
+                                    callXmrTo();
+                                }
+                            });
+                        } else {
+                            evParams.showMessage(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_noretry));
+                        }
+                    } else {
+                        evParams.showMessage(getString(R.string.label_generic_xmrto_error),
+                                getString(R.string.text_generic_xmrto_error, xmrEx.getCode()),
+                                getString(R.string.text_noretry));
+                    }
+                } else {
+                    evParams.showMessage(getString(R.string.label_generic_xmrto_error),
+                            ex.getLocalizedMessage(),
+                            getString(R.string.text_noretry));
+                }
+            }
+        });
+    }
+
+    private void callXmrTo() {
+        evParams.showProgress(getString(R.string.label_send_progress_queryparms));
+        getXmrToApi().queryOrderParameters(new XmrToCallback<QueryOrderParameters>() {
+            @Override
+            public void onSuccess(final QueryOrderParameters orderParameters) {
+                processOrderParms(orderParameters);
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                processOrderParmsError(e);
+            }
+        });
+    }
+
+    private XmrToApi xmrToApi = null;
+
+    private final XmrToApi getXmrToApi() {
+        if (xmrToApi == null) {
+            synchronized (this) {
+                if (xmrToApi == null) {
+                    xmrToApi = new XmrToApiImpl(OkHttpClientSingleton.getOkHttpClient(),
+                            Helper.getXmrToBaseUrl());
+                }
+            }
+        }
+        return xmrToApi;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java

@@ -0,0 +1,680 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.fragment.send;
+
+import android.app.Activity;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.design.widget.TextInputLayout;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.inputmethod.EditorInfo;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.data.TxData;
+import com.m2049r.xmrwallet.data.TxDataBtc;
+import com.m2049r.xmrwallet.model.PendingTransaction;
+import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.OkHttpClientSingleton;
+import com.m2049r.xmrwallet.widget.SendProgressView;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.CreateOrder;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.network.XmrToApiImpl;
+
+import java.text.NumberFormat;
+import java.util.Locale;
+
+import okhttp3.HttpUrl;
+import timber.log.Timber;
+
+public class SendBtcConfirmWizardFragment extends SendWizardFragment implements SendConfirm {
+    private final int QUERY_INTERVAL = 500;//ms
+
+    public static SendBtcConfirmWizardFragment newInstance(SendConfirmWizardFragment.Listener listener) {
+        SendBtcConfirmWizardFragment instance = new SendBtcConfirmWizardFragment();
+        instance.setSendListener(listener);
+        return instance;
+    }
+
+    SendConfirmWizardFragment.Listener sendListener;
+
+    public SendBtcConfirmWizardFragment setSendListener(SendConfirmWizardFragment.Listener listener) {
+        this.sendListener = listener;
+        return this;
+    }
+
+    private View llStageA;
+    private SendProgressView evStageA;
+    private View llStageB;
+    private SendProgressView evStageB;
+    private View llStageC;
+    private SendProgressView evStageC;
+    private TextView tvTxBtcAmount;
+    private TextView tvTxBtcRate;
+    private TextView tvTxBtcAddress;
+    private TextView tvTxXmrToKey;
+    private TextView tvTxFee;
+    private TextView tvTxTotal;
+    private View llConfirmSend;
+    private Button bSend;
+    private View pbProgressSend;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        Timber.d("onCreateView(%s)", (String.valueOf(savedInstanceState)));
+
+        View view = inflater.inflate(
+                R.layout.fragment_send_btc_confirm, container, false);
+
+        tvTxBtcAddress = (TextView) view.findViewById(R.id.tvTxBtcAddress);
+        tvTxBtcAmount = ((TextView) view.findViewById(R.id.tvTxBtcAmount));
+        tvTxBtcRate = (TextView) view.findViewById(R.id.tvTxBtcRate);
+        tvTxXmrToKey = (TextView) view.findViewById(R.id.tvTxXmrToKey);
+
+        tvTxFee = (TextView) view.findViewById(R.id.tvTxFee);
+        tvTxTotal = (TextView) view.findViewById(R.id.tvTxTotal);
+
+
+        llStageA = view.findViewById(R.id.llStageA);
+        evStageA = (SendProgressView) view.findViewById(R.id.evStageA);
+        llStageB = view.findViewById(R.id.llStageB);
+        evStageB = (SendProgressView) view.findViewById(R.id.evStageB);
+        llStageC = view.findViewById(R.id.llStageC);
+        evStageC = (SendProgressView) view.findViewById(R.id.evStageC);
+
+        tvTxXmrToKey.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.clipBoardCopy(getActivity(), getString(R.string.label_copy_xmrtokey), tvTxXmrToKey.getText().toString());
+                Toast.makeText(getActivity(), getString(R.string.message_copy_xmrtokey), Toast.LENGTH_SHORT).show();
+            }
+        });
+
+        llConfirmSend = view.findViewById(R.id.llConfirmSend);
+        pbProgressSend = view.findViewById(R.id.pbProgressSend);
+
+        bSend = (Button) view.findViewById(R.id.bSend);
+        bSend.setEnabled(false);
+
+        bSend.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Timber.d("bSend.setOnClickListener");
+                bSend.setEnabled(false);
+                preSend();
+            }
+        });
+
+        return view;
+    }
+
+    int inProgress = 0;
+    final static int STAGE_X = 0;
+    final static int STAGE_A = 1;
+    final static int STAGE_B = 2;
+    final static int STAGE_C = 3;
+
+    private void showProgress(int stage, String progressText) {
+        Timber.d("showProgress(%d)", stage);
+        inProgress = stage;
+        switch (stage) {
+            case STAGE_A:
+                evStageA.showProgress(progressText);
+                break;
+            case STAGE_B:
+                evStageB.showProgress(progressText);
+                break;
+            case STAGE_C:
+                evStageC.showProgress(progressText);
+                break;
+            default:
+                throw new IllegalStateException("unknown stage " + stage);
+        }
+    }
+
+    public void hideProgress() {
+        Timber.d("hideProgress(%d)", inProgress);
+        switch (inProgress) {
+            case STAGE_A:
+                evStageA.hideProgress();
+                llStageA.setVisibility(View.VISIBLE);
+                break;
+            case STAGE_B:
+                evStageB.hideProgress();
+                llStageB.setVisibility(View.VISIBLE);
+                break;
+            case STAGE_C:
+                evStageC.hideProgress();
+                llStageC.setVisibility(View.VISIBLE);
+                break;
+            default:
+                throw new IllegalStateException("unknown stage " + inProgress);
+        }
+        inProgress = STAGE_X;
+    }
+
+    public void showStageError(String code, String message, String solution) {
+        switch (inProgress) {
+            case STAGE_A:
+                evStageA.showMessage(code, message, solution);
+                break;
+            case STAGE_B:
+                evStageB.showMessage(code, message, solution);
+                break;
+            case STAGE_C:
+                evStageC.showMessage(code, message, solution);
+                break;
+            default:
+                throw new IllegalStateException("unknown stage");
+        }
+        inProgress = STAGE_X;
+    }
+
+    PendingTransaction pendingTransaction = null;
+
+    void send() {
+        Timber.d("SEND @%d", sendCountdown);
+        if (sendCountdown <= 0) {
+            Timber.i("User waited too long in password dialog.");
+            Toast.makeText(getContext(), getString(R.string.send_xmrto_timeout), Toast.LENGTH_SHORT).show();
+            return;
+        }
+        sendListener.getTxData().getUserNotes().setXmrtoStatus(xmrtoStatus);
+        ((TxDataBtc) sendListener.getTxData()).setXmrtoUuid(xmrtoStatus.getUuid());
+        // TODO make method in TxDataBtc to set both of the above in one go
+        sendListener.commitTransaction();
+        pbProgressSend.setVisibility(View.VISIBLE);
+    }
+
+    @Override
+    public void sendFailed() {
+        Timber.e("SEND FAILED");
+        pbProgressSend.setVisibility(View.INVISIBLE);
+    }
+
+    @Override
+    // callback from wallet when PendingTransaction created (started by prepareSend() here
+    public void transactionCreated(final String txTag, final PendingTransaction pendingTransaction) {
+        if (isResumed
+                && (inProgress == STAGE_C)
+                && (xmrtoStatus != null)
+                && (xmrtoStatus.isCreated()
+                && (xmrtoStatus.getUuid().equals(txTag)))) {
+            this.pendingTransaction = pendingTransaction;
+            getView().post(new Runnable() {
+                @Override
+                public void run() {
+                    hideProgress();
+                    tvTxFee.setText(Wallet.getDisplayAmount(pendingTransaction.getFee()));
+                    tvTxTotal.setText(Wallet.getDisplayAmount(
+                            pendingTransaction.getFee() + pendingTransaction.getAmount()));
+                    updateSendButton();
+                }
+            });
+        } else {
+            this.pendingTransaction = null;
+            sendListener.disposeTransaction();
+        }
+    }
+
+    @Override
+    public void createTransactionFailed(String errorText) {
+        Timber.e("CREATE TX FAILED");
+        if (pendingTransaction != null) {
+            throw new IllegalStateException("pendingTransaction is not null");
+        }
+        showStageError(getString(R.string.send_create_tx_error_title),
+                errorText,
+                getString(R.string.text_noretry_monero));
+    }
+
+    @Override
+    public boolean onValidateFields() {
+        return true;
+    }
+
+    private boolean isResumed = false;
+
+    @Override
+    public void onPauseFragment() {
+        isResumed = false;
+        stopSendTimer();
+        sendListener.disposeTransaction();
+        pendingTransaction = null;
+        inProgress = STAGE_X;
+        updateSendButton();
+        super.onPauseFragment();
+    }
+
+    @Override
+    public void onResumeFragment() {
+        super.onResumeFragment();
+        Timber.d("onResumeFragment()");
+        if (sendListener.getMode() != SendFragment.Mode.BTC) {
+            throw new IllegalStateException("Mode is not BTC!");
+        }
+        Helper.hideKeyboard(getActivity());
+        llStageA.setVisibility(View.INVISIBLE);
+        evStageA.hideProgress();
+        llStageB.setVisibility(View.INVISIBLE);
+        evStageB.hideProgress();
+        llStageC.setVisibility(View.INVISIBLE);
+        evStageC.hideProgress();
+        isResumed = true;
+        if ((pendingTransaction == null) && (inProgress == STAGE_X)) {
+            createOrder();
+        } // otherwise just sit there blank
+        // TODO: don't sit there blank - can this happen? should we just die?
+    }
+
+    private int sendCountdown = 0;
+    private static final int XMRTO_COUNTDOWN = 10 * 60; // 10 minutes
+    private static final int XMRTO_COUNTDOWN_STEP = 1; // 1 second
+
+    Runnable updateRunnable = null;
+
+    void startSendTimer() {
+        Timber.d("startSendTimer()");
+        sendCountdown = XMRTO_COUNTDOWN;
+        updateRunnable = new Runnable() {
+            @Override
+            public void run() {
+                if (!isAdded())
+                    return;
+                Timber.d("updateTimer()");
+                if (sendCountdown <= 0) {
+                    bSend.setEnabled(false);
+                    sendCountdown = 0;
+                    Toast.makeText(getContext(), getString(R.string.send_xmrto_timeout), Toast.LENGTH_SHORT).show();
+                }
+                int minutes = sendCountdown / 60;
+                int seconds = sendCountdown % 60;
+                String t = String.format("%d:%02d", minutes, seconds);
+                bSend.setText(getString(R.string.send_send_timed_label, t));
+                if (sendCountdown > 0) {
+                    sendCountdown -= XMRTO_COUNTDOWN_STEP;
+                    getView().postDelayed(this, XMRTO_COUNTDOWN_STEP * 1000);
+                }
+            }
+        };
+        getView().post(updateRunnable);
+    }
+
+    void stopSendTimer() {
+        getView().removeCallbacks(updateRunnable);
+    }
+
+    void updateSendButton() {
+        Timber.d("updateSendButton()");
+        if (pendingTransaction != null) {
+            llConfirmSend.setVisibility(View.VISIBLE);
+            bSend.setEnabled(sendCountdown > 0);
+        } else {
+            llConfirmSend.setVisibility(View.GONE);
+            bSend.setEnabled(false);
+        }
+    }
+
+    public void preSend() {
+        final Activity activity = getActivity();
+        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
+        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
+        alertDialogBuilder.setView(promptsView);
+
+        final TextInputLayout etPassword = (TextInputLayout) promptsView.findViewById(R.id.etPassword);
+        etPassword.setHint(getString(R.string.prompt_send_password));
+
+        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
+            @Override
+            public void afterTextChanged(Editable s) {
+                if (etPassword.getError() != null) {
+                    etPassword.setError(null);
+                }
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start,
+                                          int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start,
+                                      int before, int count) {
+            }
+        });
+
+        alertDialogBuilder
+                .setCancelable(false)
+                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        String pass = etPassword.getEditText().getText().toString();
+                        if (getActivityCallback().verifyWalletPassword(pass)) {
+                            dialog.dismiss();
+                            Helper.hideKeyboardAlways(activity);
+                            send();
+                        } else {
+                            etPassword.setError(getString(R.string.bad_password));
+                        }
+                    }
+                })
+                .setNegativeButton("Cancel",
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                Helper.hideKeyboardAlways(activity);
+                                dialog.cancel();
+                                bSend.setEnabled(sendCountdown > 0); // allow to try again
+                            }
+                        });
+
+        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
+        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
+            @Override
+            public void onShow(DialogInterface dialog) {
+                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
+                button.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        String pass = etPassword.getEditText().getText().toString();
+                        if (getActivityCallback().verifyWalletPassword(pass)) {
+                            Helper.hideKeyboardAlways(activity);
+                            passwordDialog.dismiss();
+                            send();
+                        } else {
+                            etPassword.setError(getString(R.string.bad_password));
+                        }
+                    }
+                });
+            }
+        });
+
+        Helper.showKeyboard(passwordDialog);
+
+        // accept keyboard "ok"
+        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER)) || (actionId == EditorInfo.IME_ACTION_DONE)) {
+                    String pass = etPassword.getEditText().getText().toString();
+                    if (getActivityCallback().verifyWalletPassword(pass)) {
+                        Helper.hideKeyboardAlways(activity);
+                        passwordDialog.dismiss();
+                        send();
+                    } else {
+                        etPassword.setError(getString(R.string.bad_password));
+                    }
+                    return true;
+                }
+                return false;
+            }
+        });
+        passwordDialog.show();
+    }
+
+    // creates a pending transaction and calls us back with transactionCreated()
+    // or createTransactionFailed()
+    void prepareSend() {
+        if (!isResumed) return;
+        if ((xmrtoStatus == null)) {
+            throw new IllegalStateException("xmrtoStatus is null");
+        }
+        if ((!xmrtoStatus.isCreated())) {
+            throw new IllegalStateException("order is not created");
+        }
+        showProgress(3, getString(R.string.label_send_progress_create_tx));
+        TxData txData = sendListener.getTxData();
+        txData.setDestinationAddress(xmrtoStatus.getXmrReceivingAddress());
+        txData.setPaymentId(xmrtoStatus.getXmrRequiredPaymentIdShort());
+        txData.setAmount(Wallet.getAmountFromDouble(xmrtoStatus.getXmrAmountTotal()));
+        getActivityCallback().onPrepareSend(xmrtoStatus.getUuid(), txData);
+    }
+
+    SendFragment.Listener getActivityCallback() {
+        return sendListener.getActivityCallback();
+    }
+
+    private CreateOrder xmrtoOrder = null;
+
+    private void processCreateOrder(final CreateOrder createOrder) {
+        Timber.d("processCreateOrder %s", createOrder.getUuid());
+        xmrtoOrder = createOrder;
+        if (QueryOrderStatus.State.TO_BE_CREATED.toString().equals(createOrder.getState())) {
+            getView().post(new Runnable() {
+                @Override
+                public void run() {
+                    tvTxXmrToKey.setText(createOrder.getUuid());
+                    tvTxBtcAddress.setText(createOrder.getBtcDestAddress());
+                    hideProgress();
+                }
+            });
+            queryOrder(createOrder.getUuid());
+        } else {
+            throw new IllegalStateException("Create Order is not TO_BE_CREATED");
+        }
+    }
+
+    private void processCreateOrderError(final Exception ex) {
+        Timber.e("processCreateOrderError %s", ex.getLocalizedMessage());
+        getView().post(new Runnable() {
+            @Override
+            public void run() {
+                if (ex instanceof XmrToException) {
+                    XmrToException xmrEx = (XmrToException) ex;
+                    XmrToError xmrErr = xmrEx.getError();
+                    if (xmrErr != null) {
+                        if (xmrErr.isRetryable()) {
+                            showStageError(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_retry));
+                            evStageA.setOnClickListener(new View.OnClickListener() {
+                                @Override
+                                public void onClick(View v) {
+                                    evStageA.setOnClickListener(null);
+                                    createOrder();
+                                }
+                            });
+                        } else {
+                            showStageError(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_noretry));
+                        }
+                    } else {
+                        showStageError(getString(R.string.label_generic_xmrto_error),
+                                getString(R.string.text_generic_xmrto_error, xmrEx.getCode()),
+                                getString(R.string.text_noretry));
+                    }
+                } else {
+                    evStageA.showMessage(getString(R.string.label_generic_xmrto_error),
+                            ex.getLocalizedMessage(),
+                            getString(R.string.text_noretry));
+                }
+            }
+        });
+    }
+
+    private void createOrder() {
+        if (!isResumed) return;
+        Timber.d("createOrder");
+        xmrtoOrder = null;
+        xmrtoStatus = null;
+        showProgress(1, getString(R.string.label_send_progress_xmrto_create));
+        TxDataBtc txDataBtc = (TxDataBtc) sendListener.getTxData();
+        double btcAmount = txDataBtc.getBtcAmount();
+        getXmrToApi().createOrder(btcAmount, txDataBtc.getBtcAddress(), new XmrToCallback<CreateOrder>() {
+            @Override
+            public void onSuccess(CreateOrder createOrder) {
+                if (!isResumed) return;
+                if (xmrtoOrder != null) {
+                    Timber.w("another ongoing create order request");
+                    return;
+                }
+                processCreateOrder(createOrder);
+            }
+
+            @Override
+            public void onError(Exception ex) {
+                if (!isResumed) return;
+                if (xmrtoOrder != null) {
+                    Timber.w("another ongoing create order request");
+                    return;
+                }
+                processCreateOrderError(ex);
+            }
+        });
+    }
+
+    private QueryOrderStatus xmrtoStatus = null;
+
+    private void processQueryOrder(final QueryOrderStatus status) {
+        Timber.d("processQueryOrder %s for %s", status.getState().toString(), status.getUuid());
+        xmrtoStatus = status;
+        if (status.isCreated()) {
+            getView().post(new Runnable() {
+                @Override
+                public void run() {
+                    NumberFormat df = NumberFormat.getInstance(Locale.US);
+                    df.setMaximumFractionDigits(12);
+                    String btcAmount = df.format(status.getBtcAmount());
+                    String xmrAmountTotal = df.format(status.getXmrAmountTotal());
+                    tvTxBtcAmount.setText(getString(R.string.text_send_btc_amount, btcAmount, xmrAmountTotal));
+                    String xmrPriceBtc = df.format(status.getXmrPriceBtc());
+                    tvTxBtcRate.setText(getString(R.string.text_send_btc_rate, xmrPriceBtc));
+
+                    double calcRate = status.getBtcAmount() / status.getXmrPriceBtc();
+                    Timber.i("Rates: %f / %f", calcRate, status.getXmrPriceBtc());
+
+                    tvTxBtcAddress.setText(status.getBtcDestAddress()); // TODO test if this is different?
+
+                    Timber.i("Expires @ %s, in %s seconds", status.getExpiresAt().toString(), status.getSecondsTillTimeout());
+
+                    Timber.i("Status = %s", status.getState().toString());
+                    tvTxXmrToKey.setText(status.getUuid());
+
+                    Timber.d("AmountRemaining=%f, XmrAmountTotal=%f", status.getXmrAmountRemaining(), status.getXmrAmountTotal());
+                    hideProgress();
+                    startSendTimer();
+                    prepareSend();
+                }
+            });
+        } else {
+            Timber.d("try again!");
+            handler.postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    queryOrder(status.getUuid());
+                }
+            }, QUERY_INTERVAL);
+        }
+    }
+
+    Handler handler = new Handler();
+
+    private void processQueryOrderError(final Exception ex) {
+        Timber.e("processQueryOrderError %s", ex.getLocalizedMessage());
+        getView().post(new Runnable() {
+            @Override
+            public void run() {
+                if (ex instanceof XmrToException) {
+                    XmrToException xmrEx = (XmrToException) ex;
+                    XmrToError xmrErr = xmrEx.getError();
+                    if (xmrErr != null) {
+                        if (xmrErr.isRetryable()) {
+                            showStageError(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_retry));
+                            evStageB.setOnClickListener(new View.OnClickListener() {
+                                @Override
+                                public void onClick(View v) {
+                                    evStageB.setOnClickListener(null);
+                                    queryOrder(xmrtoOrder.getUuid());
+                                }
+                            });
+                        } else {
+                            showStageError(xmrErr.getErrorId().toString(), xmrErr.getErrorMsg(),
+                                    getString(R.string.text_noretry));
+                        }
+                    } else {
+                        showStageError(getString(R.string.label_generic_xmrto_error),
+                                getString(R.string.text_generic_xmrto_error, xmrEx.getCode()),
+                                getString(R.string.text_noretry));
+                    }
+                } else {
+                    evStageB.showMessage(getString(R.string.label_generic_xmrto_error),
+                            ex.getLocalizedMessage(),
+                            getString(R.string.text_noretry));
+                }
+            }
+        });
+    }
+
+    private void queryOrder(final String uuid) {
+        Timber.d("queryOrder(%s)", uuid);
+        if (!isResumed) return;
+        getView().post(new Runnable() {
+            @Override
+            public void run() {
+                xmrtoStatus = null;
+                showProgress(2, getString(R.string.label_send_progress_xmrto_query));
+                getXmrToApi().queryOrderStatus(uuid, new XmrToCallback<QueryOrderStatus>() {
+                    @Override
+                    public void onSuccess(QueryOrderStatus status) {
+                        if (!isResumed) return;
+                        if (xmrtoOrder == null) return;
+                        if (!status.getUuid().equals(xmrtoOrder.getUuid())) {
+                            Timber.d("Query UUID does not match");
+                            // ignore (we got a response to a stale request)
+                            return;
+                        }
+                        if (xmrtoStatus != null)
+                            throw new IllegalStateException("xmrtoStatus must be null here!");
+                        processQueryOrder(status);
+                    }
+
+                    @Override
+                    public void onError(Exception ex) {
+                        if (!isResumed) return;
+                        processQueryOrderError(ex);
+                    }
+                });
+            }
+        });
+    }
+
+    private XmrToApi xmrToApi = null;
+
+    private final XmrToApi getXmrToApi() {
+        if (xmrToApi == null) {
+            synchronized (this) {
+                if (xmrToApi == null) {
+                    xmrToApi = new XmrToApiImpl(OkHttpClientSingleton.getOkHttpClient(),
+                            Helper.getXmrToBaseUrl());
+                }
+            }
+        }
+        return xmrToApi;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcSuccessWizardFragment.java

@@ -0,0 +1,267 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.fragment.send;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.data.PendingTx;
+import com.m2049r.xmrwallet.data.TxDataBtc;
+import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.OkHttpClientSingleton;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.network.XmrToApiImpl;
+
+import java.text.NumberFormat;
+import java.util.Locale;
+
+import okhttp3.HttpUrl;
+import timber.log.Timber;
+
+public class SendBtcSuccessWizardFragment extends SendWizardFragment {
+
+    public static SendBtcSuccessWizardFragment newInstance(SendSuccessWizardFragment.Listener listener) {
+        SendBtcSuccessWizardFragment instance = new SendBtcSuccessWizardFragment();
+        instance.setSendListener(listener);
+        return instance;
+    }
+
+    SendSuccessWizardFragment.Listener sendListener;
+
+    public SendBtcSuccessWizardFragment setSendListener(SendSuccessWizardFragment.Listener listener) {
+        this.sendListener = listener;
+        return this;
+    }
+
+    ImageButton bCopyTxId;
+    private TextView tvTxId;
+    private TextView tvTxAddress;
+    private TextView tvTxPaymentId;
+    private TextView tvTxAmount;
+    private TextView tvTxFee;
+    private TextView tvXmrToAmount;
+    private TextView tvXmrToStatus;
+    private ImageView ivXmrToStatus;
+    private ImageView ivXmrToStatusBig;
+    private ProgressBar pbXmrto;
+    private TextView tvTxXmrToKey;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        Timber.d("onCreateView() %s", (String.valueOf(savedInstanceState)));
+
+        View view = inflater.inflate(
+                R.layout.fragment_send_btc_success, container, false);
+
+        bCopyTxId = (ImageButton) view.findViewById(R.id.bCopyTxId);
+        bCopyTxId.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
+                Toast.makeText(getActivity(), getString(R.string.message_copy_txid), Toast.LENGTH_SHORT).show();
+            }
+        });
+
+        tvXmrToAmount = (TextView) view.findViewById(R.id.tvXmrToAmount);
+        tvXmrToStatus = (TextView) view.findViewById(R.id.tvXmrToStatus);
+        ivXmrToStatus = (ImageView) view.findViewById(R.id.ivXmrToStatus);
+        ivXmrToStatusBig = (ImageView) view.findViewById(R.id.ivXmrToStatusBig);
+
+        tvTxId = (TextView) view.findViewById(R.id.tvTxId);
+        tvTxAddress = (TextView) view.findViewById(R.id.tvTxAddress);
+        tvTxPaymentId = (TextView) view.findViewById(R.id.tvTxPaymentId);
+        tvTxAmount = ((TextView) view.findViewById(R.id.tvTxAmount));
+        tvTxFee = (TextView) view.findViewById(R.id.tvTxFee);
+
+        pbXmrto = (ProgressBar) view.findViewById(R.id.pbXmrto);
+        pbXmrto.getIndeterminateDrawable().setColorFilter(0x61000000, android.graphics.PorterDuff.Mode.MULTIPLY);
+
+        tvTxXmrToKey = (TextView) view.findViewById(R.id.tvTxXmrToKey);
+        tvTxXmrToKey.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.clipBoardCopy(getActivity(), getString(R.string.label_copy_xmrtokey), tvTxXmrToKey.getText().toString());
+                Toast.makeText(getActivity(), getString(R.string.message_copy_xmrtokey), Toast.LENGTH_SHORT).show();
+                ;
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public boolean onValidateFields() {
+        return true;
+    }
+
+    private boolean isResumed = false;
+
+    @Override
+    public void onPauseFragment() {
+        isResumed = false;
+        super.onPauseFragment();
+    }
+
+    TxDataBtc btcData = null;
+
+    @Override
+    public void onResumeFragment() {
+        super.onResumeFragment();
+        Timber.d("onResumeFragment()");
+        Helper.hideKeyboard(getActivity());
+        isResumed = true;
+
+        btcData = (TxDataBtc) sendListener.getTxData();
+        tvTxAddress.setText(btcData.getDestinationAddress());
+        String paymentId = btcData.getPaymentId();
+        if ((paymentId != null) && (!paymentId.isEmpty())) {
+            tvTxPaymentId.setText(btcData.getPaymentId());
+        } else {
+            tvTxPaymentId.setText("-");
+        }
+
+        final PendingTx committedTx = sendListener.getCommittedTx();
+        if (committedTx != null) {
+            tvTxId.setText(committedTx.txId);
+            bCopyTxId.setEnabled(true);
+            bCopyTxId.setImageResource(R.drawable.ic_content_copy_black_24dp);
+            tvTxAmount.setText(getString(R.string.send_amount, Helper.getDisplayAmount(committedTx.amount)));
+            tvTxFee.setText(getString(R.string.send_fee, Helper.getDisplayAmount(committedTx.fee)));
+            if (btcData != null) {
+                NumberFormat df = NumberFormat.getInstance(Locale.US);
+                df.setMaximumFractionDigits(12);
+                String btcAmount = df.format(btcData.getBtcAmount());
+                tvXmrToAmount.setText(getString(R.string.info_send_xmrto_success_btc, btcAmount));
+                //TODO         btcData.getBtcAddress();
+                tvTxXmrToKey.setText(btcData.getXmrtoUuid());
+                queryOrder();
+            } else {
+                throw new IllegalStateException("btcData is null");
+            }
+        }
+        sendListener.enableDone();
+    }
+
+    private final int QUERY_INTERVAL = 1000; // ms
+
+    private void processQueryOrder(final QueryOrderStatus status) {
+        Timber.d("processQueryOrder %s for %s", status.getState().toString(), status.getUuid());
+        if (!btcData.getXmrtoUuid().equals(status.getUuid()))
+            throw new IllegalStateException("UUIDs do not match!");
+        if (isResumed && (getView() != null))
+            getView().post(new Runnable() {
+                @Override
+                public void run() {
+                    showXmrToStatus(status);
+                    if (!status.isTerminal()) {
+                        getView().postDelayed(new Runnable() {
+                            @Override
+                            public void run() {
+                                queryOrder();
+                            }
+                        }, QUERY_INTERVAL);
+                    }
+                }
+            });
+    }
+
+    private void queryOrder() {
+        Timber.d("queryOrder(%s)", btcData.getXmrtoUuid());
+        if (!isResumed) return;
+        getXmrToApi().queryOrderStatus(btcData.getXmrtoUuid(), new XmrToCallback<QueryOrderStatus>() {
+            @Override
+            public void onSuccess(QueryOrderStatus status) {
+                if (!isAdded()) return;
+                processQueryOrder(status);
+            }
+
+            @Override
+            public void onError(final Exception ex) {
+                if (!isResumed) return;
+                Timber.e(ex);
+                getActivity().runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (ex instanceof XmrToException) {
+                            Toast.makeText(getActivity(), ((XmrToException) ex).getError().getErrorMsg(), Toast.LENGTH_LONG).show();
+                        } else {
+                            Toast.makeText(getActivity(), ex.getLocalizedMessage(), Toast.LENGTH_LONG).show();
+                        }
+                    }
+                });
+            }
+        });
+    }
+
+    private int statusResource = 0;
+
+    void showXmrToStatus(final QueryOrderStatus status) {
+        if (status.isError()) {
+            tvXmrToStatus.setText(getString(R.string.info_send_xmrto_error, status.toString()));
+            statusResource = R.drawable.ic_error_red_24dp;
+            pbXmrto.getIndeterminateDrawable().setColorFilter(0xff8b0000, android.graphics.PorterDuff.Mode.MULTIPLY);
+        } else if (status.isSent()) {
+            tvXmrToStatus.setText(getString(R.string.info_send_xmrto_sent));
+            statusResource = R.drawable.ic_success_green_24dp;
+            pbXmrto.getIndeterminateDrawable().setColorFilter(0xFF417505, android.graphics.PorterDuff.Mode.MULTIPLY);
+        } else if (status.isPending()) {
+            if (status.isPaid()) {
+                tvXmrToStatus.setText(getString(R.string.info_send_xmrto_paid));
+            } else {
+                tvXmrToStatus.setText(getString(R.string.info_send_xmrto_unpaid));
+            }
+            statusResource = R.drawable.ic_pending_orange_24dp;
+            pbXmrto.getIndeterminateDrawable().setColorFilter(0xFFFF6105, android.graphics.PorterDuff.Mode.MULTIPLY);
+        } else {
+            throw new IllegalStateException("status is broken: " + status.toString());
+        }
+        ivXmrToStatus.setImageResource(statusResource);
+        if (status.isTerminal()) {
+            pbXmrto.setVisibility(View.INVISIBLE);
+            ivXmrToStatus.setVisibility(View.GONE);
+            ivXmrToStatusBig.setImageResource(statusResource);
+            ivXmrToStatusBig.setVisibility(View.VISIBLE);
+        }
+    }
+
+    private XmrToApi xmrToApi = null;
+
+    private final XmrToApi getXmrToApi() {
+        if (xmrToApi == null) {
+            synchronized (this) {
+                if (xmrToApi == null) {
+                    xmrToApi = new XmrToApiImpl(OkHttpClientSingleton.getOkHttpClient(),
+                            Helper.getXmrToBaseUrl());
+                }
+            }
+        }
+        return xmrToApi;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirm.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.fragment.send;
+
+import com.m2049r.xmrwallet.model.PendingTransaction;
+
+interface SendConfirm {
+    void sendFailed();
+
+    void createTransactionFailed(String errorText);
+
+    void transactionCreated(String txTag, PendingTransaction pendingTransaction);
+}

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java

@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.app.Activity;
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.design.widget.TextInputLayout;
+import android.support.v7.app.AlertDialog;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.KeyEvent;
@@ -30,14 +31,16 @@ import android.view.inputmethod.EditorInfo;
 import android.widget.Button;
 import android.widget.TextView;
 
+import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 
 import timber.log.Timber;
 
-public class SendConfirmWizardFragment extends SendWizardFragment {
+public class SendConfirmWizardFragment extends SendWizardFragment implements SendConfirm {
 
     public static SendConfirmWizardFragment newInstance(Listener listener) {
         SendConfirmWizardFragment instance = new SendConfirmWizardFragment();
@@ -57,11 +60,11 @@ public class SendConfirmWizardFragment extends SendWizardFragment {
 
         TxData getTxData();
 
-        String getNotes();
-
         void commitTransaction();
 
         void disposeTransaction();
+
+        SendFragment.Mode getMode();
     }
 
     private TextView tvTxAddress;
@@ -122,8 +125,11 @@ public class SendConfirmWizardFragment extends SendWizardFragment {
 
     PendingTransaction pendingTransaction = null;
 
+    @Override
     // callback from wallet when PendingTransaction created
-    void transactionCreated(PendingTransaction pendingTransaction) {
+    public void transactionCreated(String txTag, PendingTransaction pendingTransaction) {
+        // ignore txTag - the app flow ensures this is the correct tx
+        // TODO: use the txTag
         hideProgress();
         if (isResumed) {
             this.pendingTransaction = pendingTransaction;
@@ -138,10 +144,22 @@ public class SendConfirmWizardFragment extends SendWizardFragment {
         pbProgressSend.setVisibility(View.VISIBLE);
     }
 
-    void sendFailed() {
+    @Override
+    public void sendFailed() {
         pbProgressSend.setVisibility(View.INVISIBLE);
     }
 
+    @Override
+    public void createTransactionFailed(String errorText) {
+        hideProgress();
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        builder.setCancelable(true).
+                setTitle(getString(R.string.send_create_tx_error_title)).
+                setMessage(errorText).
+                create().
+                show();
+    }
+
     @Override
     public boolean onValidateFields() {
         return true;
@@ -173,9 +191,9 @@ public class SendConfirmWizardFragment extends SendWizardFragment {
         } else {
             tvTxPaymentId.setText("-");
         }
-        String notes = sendListener.getNotes();
-        if ((notes != null) && (!notes.isEmpty())) {
-            tvTxNotes.setText(sendListener.getNotes());
+        UserNotes notes = sendListener.getTxData().getUserNotes();
+        if ((notes != null) && (!notes.note.isEmpty())) {
+            tvTxNotes.setText(notes.note);
         } else {
             tvTxNotes.setText("-");
         }
@@ -296,8 +314,10 @@ public class SendConfirmWizardFragment extends SendWizardFragment {
         passwordDialog.show();
     }
 
+    // creates a pending transaction and calls us back with transactionCreated()
+    // or createTransactionFailed()
     void prepareSend(TxData txData) {
-        getActivityCallback().onPrepareSend(txData);
+        getActivityCallback().onPrepareSend(null, txData);
     }
 
     SendFragment.Listener getActivityCallback() {

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendFragment.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
@@ -22,9 +22,8 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentPagerAdapter;
+import android.support.v4.app.FragmentStatePagerAdapter;
 import android.support.v4.view.ViewPager;
-import android.support.v7.app.AlertDialog;
 import android.text.InputType;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
@@ -36,12 +35,16 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Toast;
 
+import com.m2049r.xmrwallet.OnBackPressedListener;
+import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.BarcodeData;
 import com.m2049r.xmrwallet.data.PendingTx;
 import com.m2049r.xmrwallet.data.TxData;
+import com.m2049r.xmrwallet.data.TxDataBtc;
 import com.m2049r.xmrwallet.layout.SpendViewPager;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 import com.m2049r.xmrwallet.widget.DotBar;
 import com.m2049r.xmrwallet.widget.Toolbar;
 
@@ -62,11 +65,11 @@ public class SendFragment extends Fragment
     public interface Listener {
         long getTotalFunds();
 
-        void onPrepareSend(TxData data);
+        void onPrepareSend(String tag, TxData data);
 
         boolean verifyWalletPassword(String password);
 
-        void onSend(String notes);
+        void onSend(UserNotes notes);
 
         void onDisposeRequest();
 
@@ -231,7 +234,42 @@ public class SendFragment extends Fragment
         }
     }
 
-    public class SpendPagerAdapter extends FragmentPagerAdapter {
+    enum Mode {
+        XMR, BTC
+    }
+
+    Mode mode = Mode.XMR;
+
+    @Override
+    public void setMode(Mode aMode) {
+        if (mode != aMode) {
+            mode = aMode;
+            switch (aMode) {
+                case XMR:
+                    txData = new TxData();
+                    break;
+                case BTC:
+                    txData = new TxDataBtc();
+                    break;
+                default:
+                    throw new IllegalArgumentException("Mode " + String.valueOf(aMode) + " unknown!");
+            }
+            getView().post(new Runnable() {
+                @Override
+                public void run() {
+                    pagerAdapter.notifyDataSetChanged();
+                }
+            });
+            Timber.d("New Mode = " + mode.toString());
+        }
+    }
+
+    @Override
+    public Mode getMode() {
+        return mode;
+    }
+
+    public class SpendPagerAdapter extends FragmentStatePagerAdapter {
         private static final int POS_ADDRESS = 0;
         private static final int POS_AMOUNT = 1;
         private static final int POS_SETTINGS = 2;
@@ -257,6 +295,7 @@ public class SendFragment extends Fragment
 
         @Override
         public Object instantiateItem(ViewGroup container, int position) {
+            Timber.d("instantiateItem %d", position);
             SendWizardFragment fragment = (SendWizardFragment) super.instantiateItem(container, position);
             myFragments.put(position, new WeakReference<>(fragment));
             return fragment;
@@ -264,6 +303,7 @@ public class SendFragment extends Fragment
 
         @Override
         public void destroyItem(ViewGroup container, int position, Object object) {
+            Timber.d("destroyItem %d", position);
             myFragments.remove(position);
             super.destroyItem(container, position, object);
         }
@@ -279,19 +319,39 @@ public class SendFragment extends Fragment
         @Override
         public SendWizardFragment getItem(int position) {
             Timber.d("getItem(%d) CREATE", position);
-            switch (position) {
-                case POS_ADDRESS:
-                    return SendAddressWizardFragment.newInstance(SendFragment.this);
-                case POS_AMOUNT:
-                    return SendAmountWizardFragment.newInstance(SendFragment.this);
-                case POS_SETTINGS:
-                    return SendSettingsWizardFragment.newInstance(SendFragment.this);
-                case POS_CONFIRM:
-                    return SendConfirmWizardFragment.newInstance(SendFragment.this);
-                case POS_SUCCESS:
-                    return SendSuccessWizardFragment.newInstance(SendFragment.this);
-                default:
-                    throw new IllegalArgumentException("no such send position(" + position + ")");
+            Timber.d("Mode=" + mode.toString());
+            if (mode == Mode.XMR) {
+                switch (position) {
+                    case POS_ADDRESS:
+                        return SendAddressWizardFragment.newInstance(SendFragment.this);
+                    case POS_AMOUNT:
+                        return SendAmountWizardFragment.newInstance(SendFragment.this);
+                    case POS_SETTINGS:
+                        return SendSettingsWizardFragment.newInstance(SendFragment.this);
+                    case POS_CONFIRM:
+                        return SendConfirmWizardFragment.newInstance(SendFragment.this);
+                    case POS_SUCCESS:
+                        return SendSuccessWizardFragment.newInstance(SendFragment.this);
+                    default:
+                        throw new IllegalArgumentException("no such send position(" + position + ")");
+                }
+            } else if (mode == Mode.BTC) {
+                switch (position) {
+                    case POS_ADDRESS:
+                        return SendAddressWizardFragment.newInstance(SendFragment.this);
+                    case POS_AMOUNT:
+                        return SendBtcAmountWizardFragment.newInstance(SendFragment.this);
+                    case POS_SETTINGS:
+                        return SendSettingsWizardFragment.newInstance(SendFragment.this);
+                    case POS_CONFIRM:
+                        return SendBtcConfirmWizardFragment.newInstance(SendFragment.this);
+                    case POS_SUCCESS:
+                        return SendBtcSuccessWizardFragment.newInstance(SendFragment.this);
+                    default:
+                        throw new IllegalArgumentException("no such send position(" + position + ")");
+                }
+            } else {
+                throw new IllegalStateException("Unknown mode!");
             }
         }
 
@@ -314,24 +374,25 @@ public class SendFragment extends Fragment
                     return null;
             }
         }
+
+        @Override
+        public int getItemPosition(Object object) {
+            Timber.d("getItemPosition %s", String.valueOf(object));
+            if ((object instanceof SendAddressWizardFragment) || (object instanceof SendSettingsWizardFragment)) {
+                return POSITION_UNCHANGED;
+            } else {
+                return POSITION_NONE;
+            }
+        }
     }
 
     @Override
     public TxData getTxData() {
-        return new TxData(sendAddress, sendPaymentId, sendAmount, sendMixin, sendPriority);
+        return txData;
     }
 
-    @Override
-    public String getNotes() {
-        return sendNotes;
-    }
+    private TxData txData = new TxData();
 
-    private String sendAddress;
-    private String sendPaymentId;
-    private long sendAmount;
-    private PendingTransaction.Priority sendPriority;
-    private int sendMixin;
-    private String sendNotes;
     private BarcodeData barcodeData;
 
     // Listeners
@@ -347,36 +408,6 @@ public class SendFragment extends Fragment
         return data;
     }
 
-    @Override
-    public void setAddress(final String address) {
-        sendAddress = address;
-    }
-
-    @Override
-    public void setPaymentId(final String paymentId) {
-        sendPaymentId = paymentId;
-    }
-
-    @Override
-    public void setAmount(final long amount) {
-        sendAmount = amount;
-    }
-
-    @Override
-    public void setPriority(final PendingTransaction.Priority priority) {
-        sendPriority = priority;
-    }
-
-    @Override
-    public void setMixin(final int mixin) {
-        sendMixin = mixin;
-    }
-
-    @Override
-    public void setNotes(final String notes) {
-        sendNotes = notes;
-    }
-
     boolean isComitted() {
         return committedTx != null;
     }
@@ -391,9 +422,9 @@ public class SendFragment extends Fragment
 
     @Override
     public void commitTransaction() {
-        Timber.d("REALLY SEND A %s", getNotes());
+        Timber.d("REALLY SEND");
         disableNavigation(); // committed - disable all navigation
-        activityCallback.onSend(getNotes());
+        activityCallback.onSend(txData.getUserNotes());
         committedTx = pendingTx;
     }
 
@@ -418,12 +449,11 @@ public class SendFragment extends Fragment
 
     // callbacks from send service
 
-    public void onTransactionCreated(PendingTransaction pendingTransaction) {
-        //public void onTransactionCreated(TestTransaction pendingTransaction) {
-        final SendConfirmWizardFragment confirmFragment = getConfirmFragment();
-        if (confirmFragment != null) {
+    public void onTransactionCreated(final String txTag, final PendingTransaction pendingTransaction) {
+        final SendConfirm confirm = getSendConfirm();
+        if (confirm != null) {
             pendingTx = new PendingTx(pendingTransaction);
-            confirmFragment.transactionCreated(pendingTransaction);
+            confirm.transactionCreated(txTag, pendingTransaction);
         } else {
             // not in confirm fragment => dispose & move on
             disposeTransaction();
@@ -443,23 +473,16 @@ public class SendFragment extends Fragment
     }
 
     public void onCreateTransactionFailed(String errorText) {
-        final SendConfirmWizardFragment confirmFragment = getConfirmFragment();
-        if (confirmFragment != null) {
-            confirmFragment.hideProgress();
-
-            AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-            builder.setCancelable(true).
-                    setTitle(getString(R.string.send_create_tx_error_title)).
-                    setMessage(errorText).
-                    create().
-                    show();
+        final SendConfirm confirm = getSendConfirm();
+        if (confirm != null) {
+            confirm.createTransactionFailed(errorText);
         }
     }
 
-    SendConfirmWizardFragment getConfirmFragment() {
+    SendConfirm getSendConfirm() {
         final SendWizardFragment fragment = pagerAdapter.getFragment(SpendPagerAdapter.POS_CONFIRM);
-        if (fragment instanceof SendConfirmWizardFragment) {
-            return (SendConfirmWizardFragment) fragment;
+        if (fragment instanceof SendConfirm) {
+            return (SendConfirm) fragment;
         } else {
             return null;
         }
@@ -469,8 +492,8 @@ public class SendFragment extends Fragment
         Timber.d("txid=%s", txId);
         pagerAdapter.addSuccess();
         Timber.d("numPages=%d", spendViewPager.getAdapter().getCount());
-        spendViewPager.setCurrentItem(SpendPagerAdapter.POS_SUCCESS);
         activityCallback.setToolbarButton(Toolbar.BUTTON_NONE);
+        spendViewPager.setCurrentItem(SpendPagerAdapter.POS_SUCCESS);
     }
 
     public void onSendTransactionFailed(final String error) {
@@ -478,7 +501,7 @@ public class SendFragment extends Fragment
         committedTx = null;
         Toast.makeText(getContext(), getString(R.string.status_transaction_failed, error), Toast.LENGTH_SHORT).show();
         enableNavigation();
-        final SendConfirmWizardFragment fragment = getConfirmFragment();
+        final SendConfirm fragment = getSendConfirm();
         if (fragment != null) {
             fragment.sendFailed();
         }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendSettingsWizardFragment.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.os.Bundle;
 import android.text.InputType;
@@ -27,8 +27,11 @@ import android.widget.EditText;
 import android.widget.Spinner;
 import android.widget.TextView;
 
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 
 import timber.log.Timber;
 
@@ -48,12 +51,7 @@ public class SendSettingsWizardFragment extends SendWizardFragment {
     }
 
     interface Listener {
-
-        void setPriority(final PendingTransaction.Priority priority);
-
-        void setMixin(final int mixin);
-
-        void setNotes(final String notes);
+        TxData getTxData();
     }
 
     final static int Mixins[] = {4, 7, 12, 25}; // must match the layout XML
@@ -103,13 +101,10 @@ public class SendSettingsWizardFragment extends SendWizardFragment {
     @Override
     public boolean onValidateFields() {
         if (sendListener != null) {
-            int mixin = Mixins[sMixin.getSelectedItemPosition()];
-            int priorityIndex = sPriority.getSelectedItemPosition();
-            PendingTransaction.Priority priority = Priorities[priorityIndex];
-            sendListener.setPriority(priority);
-            sendListener.setMixin(mixin);
-            String notes = etNotes.getText().toString();
-            sendListener.setNotes(notes);
+            TxData txData = sendListener.getTxData();
+            txData.setPriority(Priorities[sPriority.getSelectedItemPosition()]);
+            txData.setMixin(Mixins[sMixin.getSelectedItemPosition()]);
+            txData.setUserNotes(new UserNotes(etNotes.getText().toString()));
         }
         return true;
     }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendSuccessWizardFragment.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -24,10 +24,10 @@ import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.m2049r.xmrwallet.model.Wallet;
-import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.data.PendingTx;
 import com.m2049r.xmrwallet.data.TxData;
+import com.m2049r.xmrwallet.util.Helper;
 
 import timber.log.Timber;
 
@@ -47,23 +47,21 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
     }
 
     interface Listener {
-        String getNotes();
-
         TxData getTxData();
 
         PendingTx getCommittedTx();
 
         void enableDone();
+
+        SendFragment.Mode getMode();
     }
 
-    ImageButton bCopyAddress;
+    ImageButton bCopyTxId;
     private TextView tvTxId;
     private TextView tvTxAddress;
     private TextView tvTxPaymentId;
-    private TextView tvTxNotes;
     private TextView tvTxAmount;
     private TextView tvTxFee;
-    private TextView tvTxTotal;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
@@ -74,21 +72,20 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
         View view = inflater.inflate(
                 R.layout.fragment_send_success, container, false);
 
-        bCopyAddress = (ImageButton) view.findViewById(R.id.bCopyAddress);
-        bCopyAddress.setOnClickListener(new View.OnClickListener() {
+        bCopyTxId = (ImageButton) view.findViewById(R.id.bCopyTxId);
+        bCopyTxId.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                copyAddress();
+                Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
+                Toast.makeText(getActivity(), getString(R.string.message_copy_address), Toast.LENGTH_SHORT).show();
             }
         });
 
         tvTxId = (TextView) view.findViewById(R.id.tvTxId);
         tvTxAddress = (TextView) view.findViewById(R.id.tvTxAddress);
         tvTxPaymentId = (TextView) view.findViewById(R.id.tvTxPaymentId);
-        tvTxNotes = (TextView) view.findViewById(R.id.tvTxNotes);
         tvTxAmount = ((TextView) view.findViewById(R.id.tvTxAmount));
         tvTxFee = (TextView) view.findViewById(R.id.tvTxFee);
-        tvTxTotal = (TextView) view.findViewById(R.id.tvTxTotal);
 
         return view;
     }
@@ -117,30 +114,15 @@ public class SendSuccessWizardFragment extends SendWizardFragment {
         } else {
             tvTxPaymentId.setText("-");
         }
-        String notes = sendListener.getNotes();
-        if ((notes != null) && (!notes.isEmpty())) {
-            tvTxNotes.setText(sendListener.getNotes());
-        } else {
-            tvTxNotes.setText("-");
-        }
 
         final PendingTx committedTx = sendListener.getCommittedTx();
         if (committedTx != null) {
             tvTxId.setText(committedTx.txId);
-            bCopyAddress.setEnabled(true);
-            bCopyAddress.setImageResource(R.drawable.ic_content_copy_black_24dp);
-            tvTxAmount.setText(Wallet.getDisplayAmount(committedTx.amount));
-            tvTxFee.setText(Wallet.getDisplayAmount(committedTx.fee));
-            //tvTxDust.setText(Wallet.getDisplayAmount(pendingTransaction.getDust()));
-            tvTxTotal.setText(Wallet.getDisplayAmount(
-                    committedTx.fee + committedTx.amount));
+            bCopyTxId.setEnabled(true);
+            bCopyTxId.setImageResource(R.drawable.ic_content_copy_black_24dp);
+            tvTxAmount.setText(getString(R.string.send_amount, Helper.getDisplayAmount(committedTx.amount)));
+            tvTxFee.setText(getString(R.string.send_fee, Helper.getDisplayAmount(committedTx.fee)));
         }
         sendListener.enableDone();
     }
-
-    void copyAddress() {
-        Helper.clipBoardCopy(getActivity(), getString(R.string.label_send_txid), tvTxId.getText().toString());
-        Toast.makeText(getActivity(), getString(R.string.message_copy_address), Toast.LENGTH_SHORT).show();
-    }
-
 }

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendWizardFragment.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.m2049r.xmrwallet;
+package com.m2049r.xmrwallet.fragment.send;
 
 import android.support.v4.app.Fragment;
 

app/src/main/java/com/m2049r/xmrwallet/layout/SpendViewPager.java

@@ -21,7 +21,7 @@ import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 
-import com.m2049r.xmrwallet.SendFragment;
+import com.m2049r.xmrwallet.fragment.send.SendFragment;
 
 public class SpendViewPager extends ViewPager {
 

app/src/main/java/com/m2049r/xmrwallet/layout/TransactionInfoAdapter.java

@@ -22,11 +22,13 @@ import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.model.TransactionInfo;
 import com.m2049r.xmrwallet.util.Helper;
+import com.m2049r.xmrwallet.util.UserNotes;
 
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
@@ -101,6 +103,7 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
     }
 
     class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        final ImageView ivTxType;
         final TextView tvAmount;
         final TextView tvFee;
         final TextView tvPaymentId;
@@ -109,10 +112,11 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
 
         ViewHolder(View itemView) {
             super(itemView);
-            this.tvAmount = (TextView) itemView.findViewById(R.id.tx_amount);
-            this.tvFee = (TextView) itemView.findViewById(R.id.tx_fee);
-            this.tvPaymentId = (TextView) itemView.findViewById(R.id.tx_paymentid);
-            this.tvDateTime = (TextView) itemView.findViewById(R.id.tx_datetime);
+            ivTxType = (ImageView) itemView.findViewById(R.id.ivTxType);
+            tvAmount = (TextView) itemView.findViewById(R.id.tx_amount);
+            tvFee = (TextView) itemView.findViewById(R.id.tx_fee);
+            tvPaymentId = (TextView) itemView.findViewById(R.id.tx_paymentid);
+            tvDateTime = (TextView) itemView.findViewById(R.id.tx_datetime);
         }
 
         private String getDateTime(long time) {
@@ -121,7 +125,6 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
 
         private void setTxColour(int clr) {
             tvAmount.setTextColor(clr);
-            tvFee.setTextColor(clr);
         }
 
         void bind(int position) {
@@ -134,20 +137,23 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
 
             String displayAmount = Helper.getDisplayAmount(realAmount, Helper.DISPLAY_DIGITS_INFO);
             if (infoItem.direction == TransactionInfo.Direction.Direction_Out) {
-                this.tvAmount.setText(context.getString(R.string.tx_list_amount_negative, displayAmount));
+                tvAmount.setText(context.getString(R.string.tx_list_amount_negative, displayAmount));
             } else {
-                this.tvAmount.setText(context.getString(R.string.tx_list_amount_positive, displayAmount));
+                tvAmount.setText(context.getString(R.string.tx_list_amount_positive, displayAmount));
             }
 
             if ((infoItem.fee > 0)) {
                 String fee = Helper.getDisplayAmount(infoItem.fee, 5);
-                this.tvFee.setText(context.getString(R.string.tx_list_fee, fee));
+                tvFee.setText(context.getString(R.string.tx_list_fee, fee));
+                tvFee.setVisibility(View.VISIBLE);
             } else {
-                this.tvFee.setText("");
+                tvFee.setText("");
+                tvFee.setVisibility(View.GONE);
             }
             if (infoItem.isFailed) {
                 this.tvAmount.setText(context.getString(R.string.tx_list_amount_failed, displayAmount));
                 this.tvFee.setText(context.getString(R.string.tx_list_failed_text));
+                tvFee.setVisibility(View.VISIBLE);
                 setTxColour(failedColour);
             } else if (infoItem.isPending) {
                 setTxColour(pendingColour);
@@ -156,11 +162,20 @@ public class TransactionInfoAdapter extends RecyclerView.Adapter<TransactionInfo
             } else {
                 setTxColour(outboundColour);
             }
-            if ((infoItem.notes == null) || (infoItem.notes.isEmpty())) {
+
+            UserNotes userNotes = new UserNotes(infoItem.notes);
+            if (userNotes.xmrtoKey != null) {
+                ivTxType.setVisibility(View.VISIBLE);
+            } else {
+                ivTxType.setVisibility(View.INVISIBLE);
+            }
+
+            if ((userNotes.note.isEmpty())) {
                 this.tvPaymentId.setText(infoItem.paymentId.equals("0000000000000000") ? "" : infoItem.paymentId);
             } else {
-                this.tvPaymentId.setText(infoItem.notes);
+                this.tvPaymentId.setText(userNotes.note);
             }
+
             this.tvDateTime.setText(getDateTime(infoItem.timestamp));
 
             itemView.setOnClickListener(this);

app/src/main/java/com/m2049r/xmrwallet/service/WalletService.java

@@ -30,12 +30,12 @@ import android.os.Process;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.WalletActivity;
+import com.m2049r.xmrwallet.data.TxData;
 import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.model.WalletListener;
 import com.m2049r.xmrwallet.model.WalletManager;
 import com.m2049r.xmrwallet.util.Helper;
-import com.m2049r.xmrwallet.data.TxData;
 
 import timber.log.Timber;
 
@@ -54,6 +54,7 @@ public class WalletService extends Service {
 
     public static final String REQUEST_CMD_TX = "createTX";
     public static final String REQUEST_CMD_TX_DATA = "data";
+    public static final String REQUEST_CMD_TX_TAG = "tag";
 
     public static final String REQUEST_CMD_SWEEP = "sweepTX";
 
@@ -209,7 +210,7 @@ public class WalletService extends Service {
 
         void onWalletStored(boolean success);
 
-        void onTransactionCreated(PendingTransaction pendingTransaction);
+        void onTransactionCreated(String tag, PendingTransaction pendingTransaction);
 
         void onTransactionSent(String txid);
 
@@ -301,7 +302,9 @@ public class WalletService extends Service {
                     } else if (cmd.equals(REQUEST_CMD_TX)) {
                         Wallet myWallet = getWallet();
                         Timber.d("CREATE TX for wallet: %s", myWallet.getName());
+                        myWallet.disposePendingTransaction(); // remove any old pending tx
                         TxData txData = extras.getParcelable(REQUEST_CMD_TX_DATA);
+                        String txTag = extras.getString(REQUEST_CMD_TX_TAG);
                         PendingTransaction pendingTransaction = myWallet.createTransaction(txData);
                         PendingTransaction.Status status = pendingTransaction.getStatus();
                         Timber.d("transaction status %s", status);
@@ -309,13 +312,15 @@ public class WalletService extends Service {
                             Timber.w("Create Transaction failed: %s", pendingTransaction.getErrorString());
                         }
                         if (observer != null) {
-                            observer.onTransactionCreated(pendingTransaction);
+                            observer.onTransactionCreated(txTag, pendingTransaction);
                         } else {
                             myWallet.disposePendingTransaction();
                         }
                     } else if (cmd.equals(REQUEST_CMD_SWEEP)) {
                         Wallet myWallet = getWallet();
                         Timber.d("SWEEP TX for wallet: %s", myWallet.getName());
+                        myWallet.disposePendingTransaction(); // remove any old pending tx
+                        String txTag = extras.getString(REQUEST_CMD_TX_TAG);
                         PendingTransaction pendingTransaction = myWallet.createSweepUnmixableTransaction();
                         PendingTransaction.Status status = pendingTransaction.getStatus();
                         Timber.d("transaction status %s", status);
@@ -323,7 +328,7 @@ public class WalletService extends Service {
                             Timber.w("Create Transaction failed: %s", pendingTransaction.getErrorString());
                         }
                         if (observer != null) {
-                            observer.onTransactionCreated(pendingTransaction);
+                            observer.onTransactionCreated(txTag, pendingTransaction);
                         } else {
                             myWallet.disposePendingTransaction();
                         }

app/src/main/java/com/m2049r/xmrwallet/util/BitcoinAddressValidator.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017 m2049r er al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.util;
+
+// based on https://rosettacode.org/wiki/Bitcoin/address_validation#Java
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+
+public class BitcoinAddressValidator {
+
+    private static final String ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+
+    public static boolean validate(String addrress, boolean testnet) {
+        if (addrress.length() < 26 || addrress.length() > 35)
+            return false;
+        byte[] decoded = decodeBase58To25Bytes(addrress);
+        if (decoded == null)
+            return false;
+
+        if (!testnet) {
+            if ((decoded[0] != 0x00) && (decoded[0] != 0x05)) return false;
+        } else {
+            if ((decoded[0] != 0x6f) && (decoded[0] != 0xc4)) return false;
+        }
+
+        byte[] hash1 = sha256(Arrays.copyOfRange(decoded, 0, 21));
+        byte[] hash2 = sha256(hash1);
+
+        return Arrays.equals(Arrays.copyOfRange(hash2, 0, 4), Arrays.copyOfRange(decoded, 21, 25));
+    }
+
+    private static byte[] decodeBase58To25Bytes(String input) {
+        BigInteger num = BigInteger.ZERO;
+        for (char t : input.toCharArray()) {
+            int p = ALPHABET.indexOf(t);
+            if (p == -1)
+                return null;
+            num = num.multiply(BigInteger.valueOf(58)).add(BigInteger.valueOf(p));
+        }
+
+        byte[] result = new byte[25];
+        byte[] numBytes = num.toByteArray();
+        System.arraycopy(numBytes, 0, result, result.length - numBytes.length, numBytes.length);
+        return result;
+    }
+
+    private static byte[] sha256(byte[] data) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            md.update(data);
+            return md.digest();
+        } catch (NoSuchAlgorithmException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/util/Helper.java

@@ -38,6 +38,7 @@ import android.view.inputmethod.InputMethodManager;
 
 import com.m2049r.xmrwallet.R;
 import com.m2049r.xmrwallet.model.Wallet;
+import com.m2049r.xmrwallet.model.WalletManager;
 
 import java.io.File;
 import java.io.IOException;
@@ -49,6 +50,7 @@ import java.util.Locale;
 
 import javax.net.ssl.HttpsURLConnection;
 
+import okhttp3.HttpUrl;
 import timber.log.Timber;
 
 public class Helper {
@@ -160,7 +162,7 @@ public class Helper {
     }
 
     static public String getDisplayAmount(long amount) {
-        return getDisplayAmount(amount, 20);
+        return getDisplayAmount(amount, 12);
     }
 
     static public String getDisplayAmount(long amount, int maxDecimals) {
@@ -271,4 +273,11 @@ public class Helper {
         return ShakeAnimation;
     }
 
+    static public HttpUrl getXmrToBaseUrl() {
+        if ((WalletManager.getInstance() == null) || WalletManager.getInstance().isTestNet()) {
+            return HttpUrl.parse("https://test.xmr.to/api/v2/xmr2btc/");
+        } else {
+            return HttpUrl.parse("https://xmr.to/api/v2/xmr2btc/");
+        }
+    }
 }

app/src/main/java/com/m2049r/xmrwallet/util/UserNotes.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.util;
+
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import timber.log.Timber;
+
+public class UserNotes {
+    public String txNotes = "";
+    public String note = "";
+    public String xmrtoKey = null;
+    public String xmrtoAmount = null; // could be a double - but we are not doing any calculations
+    public String xmrtoDestination = null;
+
+    public UserNotes(final String txNotes) {
+        if (txNotes == null) {
+            return;
+        }
+        this.txNotes = txNotes;
+        Pattern p = Pattern.compile("^\\{(xmrto-\\w{6}),([0-9.]*)BTC,(\\w*)\\} ?(.*)");
+        Matcher m = p.matcher(txNotes);
+        if (m.find()) {
+            xmrtoKey = m.group(1);
+            xmrtoAmount = m.group(2);
+            xmrtoDestination = m.group(3);
+            note = m.group(4);
+        } else {
+            note = txNotes;
+        }
+    }
+
+    public void setNote(String newNote) {
+        if (newNote != null) {
+            note = newNote;
+        } else {
+            note = "";
+        }
+        txNotes = buildTxNote();
+    }
+
+    public void setXmrtoStatus(QueryOrderStatus xmrtoStatus) {
+        if (xmrtoStatus != null) {
+            xmrtoKey = xmrtoStatus.getUuid();
+            xmrtoAmount = String.valueOf(xmrtoStatus.getBtcAmount());
+            xmrtoDestination = xmrtoStatus.getBtcDestAddress();
+        } else {
+            xmrtoKey = null;
+            xmrtoAmount = null;
+            xmrtoDestination = null;
+        }
+        txNotes = buildTxNote();
+    }
+
+    private String buildTxNote() {
+        StringBuffer sb = new StringBuffer();
+        if (xmrtoKey != null) {
+            if ((xmrtoAmount == null) || (xmrtoDestination == null))
+                throw new IllegalArgumentException("Broken notes");
+            sb.append("{");
+            sb.append(xmrtoKey);
+            sb.append(",");
+            sb.append(xmrtoAmount);
+            sb.append("BTC,");
+            sb.append(xmrtoDestination);
+            sb.append("}");
+            if ((note != null) && (!note.isEmpty()))
+                sb.append(" ");
+        }
+        sb.append(note);
+        return sb.toString();
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/widget/ExchangeBtcTextView.java

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// based on https://code.tutsplus.com/tutorials/creating-compound-views-on-android--cms-22889
+
+package com.m2049r.xmrwallet.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.widget.ArrayAdapter;
+import android.widget.LinearLayout;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import com.m2049r.xmrwallet.R;
+import com.m2049r.xmrwallet.util.Helper;
+
+import timber.log.Timber;
+
+public class ExchangeBtcTextView extends LinearLayout
+        implements NumberPadView.NumberPadListener {
+
+    String btcAmount = null;
+    String xmrAmount = null;
+
+    private boolean validate(String amount, double max, double min) {
+        boolean ok = true;
+        if (amount != null) {
+            try {
+                double x = Double.parseDouble(amount);
+                if ((x < min) || (x > max)) {
+                    ok = false;
+                }
+            } catch (NumberFormatException ex) {
+                Timber.e(ex.getLocalizedMessage());
+                ok = false;
+            }
+        } else {
+            ok = false;
+        }
+        return ok;
+    }
+
+    public boolean validate(double maxBtc, double minBtc) {
+        Timber.d("validate(maxBtc=%f,minBtc=%f)", maxBtc, minBtc);
+        boolean ok = true;
+        if (!validate(btcAmount, maxBtc, minBtc)) {
+            Timber.d("btcAmount invalid %s", btcAmount);
+            shakeAmountField();
+            return false;
+        }
+        return true;
+    }
+
+    void shakeAmountField() {
+        tvAmountA.startAnimation(Helper.getShakeAnimation(getContext()));
+    }
+
+    void shakeExchangeField() {
+        tvAmountB.startAnimation(Helper.getShakeAnimation(getContext()));
+    }
+
+    public void setRate(double xmrBtcRate) {
+        this.xmrBtcRate = xmrBtcRate;
+        post(new Runnable() {
+            @Override
+            public void run() {
+                exchange();
+            }
+        });
+    }
+
+    public void setAmount(String btcAmount) {
+        this.btcAmount = btcAmount;
+        tvAmountA.setText(btcAmount);
+        xmrAmount = null;
+        exchange();
+    }
+
+    public String getAmount() {
+        return btcAmount;
+    }
+
+    TextView tvAmountA;
+    TextView tvAmountB;
+    Spinner sCurrencyA;
+    Spinner sCurrencyB;
+
+    public ExchangeBtcTextView(Context context) {
+        super(context);
+        initializeViews(context);
+    }
+
+    public ExchangeBtcTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        initializeViews(context);
+    }
+
+    public ExchangeBtcTextView(Context context,
+                               AttributeSet attrs,
+                               int defStyle) {
+        super(context, attrs, defStyle);
+        initializeViews(context);
+    }
+
+    /**
+     * Inflates the views in the layout.
+     *
+     * @param context the current context for the view.
+     */
+    private void initializeViews(Context context) {
+        LayoutInflater inflater = (LayoutInflater) context
+                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        inflater.inflate(R.layout.view_exchange_btc_text, this);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        tvAmountA = (TextView) findViewById(R.id.tvAmountA);
+        tvAmountB = (TextView) findViewById(R.id.tvAmountB);
+        sCurrencyA = (Spinner) findViewById(R.id.sCurrencyA);
+        sCurrencyB = (Spinner) findViewById(R.id.sCurrencyB);
+
+        ArrayAdapter<String> btcAdapter = new ArrayAdapter<String>(getContext(),
+                android.R.layout.simple_spinner_item,
+                new String[]{"BTC"});
+        sCurrencyA.setAdapter(btcAdapter);
+        sCurrencyA.setEnabled(false);
+        ArrayAdapter<String> xmrAdapter = new ArrayAdapter<String>(getContext(),
+                android.R.layout.simple_spinner_item,
+                new String[]{"XMR"});
+        sCurrencyB.setAdapter(xmrAdapter);
+        sCurrencyB.setEnabled(false);
+    }
+
+    double xmrBtcRate = 0;
+
+    public void exchange() {
+        btcAmount = tvAmountA.getText().toString();
+        if (!btcAmount.isEmpty() && (xmrBtcRate > 0)) {
+            double xmr = xmrBtcRate * Double.parseDouble(btcAmount);
+            xmrAmount = Helper.getFormattedAmount(xmr, true);
+        } else {
+            xmrAmount = "";
+        }
+        tvAmountB.setText(getResources().getString(R.string.send_amount_btc_xmr, xmrAmount));
+        Timber.d("%s BTC =%f> %s XMR", btcAmount, xmrBtcRate, xmrAmount);
+    }
+
+    // deal with attached numpad
+    @Override
+    public void onDigitPressed(final int digit) {
+        tvAmountA.append(String.valueOf(digit));
+        exchange();
+    }
+
+    @Override
+    public void onPointPressed() {
+        //TODO locale?
+        if (tvAmountA.getText().toString().indexOf('.') == -1) {
+            if (tvAmountA.getText().toString().isEmpty()) {
+                tvAmountA.append("0");
+            }
+            tvAmountA.append(".");
+        }
+    }
+
+    @Override
+    public void onBackSpacePressed() {
+        String entry = tvAmountA.getText().toString();
+        int length = entry.length();
+        if (length > 0) {
+            tvAmountA.setText(entry.substring(0, entry.length() - 1));
+            exchange();
+        }
+    }
+
+    @Override
+    public void onClearAll() {
+        tvAmountA.setText(null);
+        exchange();
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/widget/ExchangeTextView.java

@@ -436,6 +436,9 @@ public class ExchangeTextView extends LinearLayout
     public void onPointPressed() {
         //TODO locale?
         if (tvAmountA.getText().toString().indexOf('.') == -1) {
+            if (tvAmountA.getText().toString().isEmpty()) {
+                tvAmountA.append("0");
+            }
             tvAmountA.append(".");
         }
     }

app/src/main/java/com/m2049r/xmrwallet/widget/SendProgressView.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.m2049r.xmrwallet.R;
+
+public class SendProgressView extends LinearLayout {
+
+    public SendProgressView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        initializeViews(context);
+    }
+
+    public SendProgressView(Context context,
+                            AttributeSet attrs,
+                            int defStyle) {
+        super(context, attrs, defStyle);
+        initializeViews(context);
+    }
+
+    private void initializeViews(Context context) {
+        LayoutInflater inflater = (LayoutInflater) context
+                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        inflater.inflate(R.layout.view_send_progress, this);
+    }
+
+
+    View pbProgress;
+    View llMessage;
+    TextView tvCode;
+    TextView tvMessage;
+    TextView tvSolution;
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        pbProgress = findViewById(R.id.pbProgress);
+        llMessage = findViewById(R.id.llMessage);
+        tvCode = (TextView) findViewById(R.id.tvCode);
+        tvMessage = (TextView) findViewById(R.id.tvMessage);
+        tvSolution = (TextView) findViewById(R.id.tvSolution);
+    }
+
+    public void showProgress(String progressText) {
+        pbProgress.setVisibility(VISIBLE);
+        tvCode.setVisibility(INVISIBLE);
+        tvMessage.setText(progressText);
+        llMessage.setVisibility(VISIBLE);
+        tvSolution.setVisibility(INVISIBLE);
+    }
+
+    public void hideProgress() {
+        pbProgress.setVisibility(INVISIBLE);
+        llMessage.setVisibility(INVISIBLE);
+    }
+
+    public void showMessage(String code, String message, String solution) {
+        tvCode.setText(code);
+        tvMessage.setText(message);
+        tvSolution.setText(solution);
+        tvCode.setVisibility(VISIBLE);
+        llMessage.setVisibility(VISIBLE);
+        tvSolution.setVisibility(VISIBLE);
+        pbProgress.setVisibility(INVISIBLE);
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/XmrToError.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+public class XmrToError {
+    private final Error errorId;
+    private final String errorMsg;
+
+    public enum Error {
+        XMRTO_ERROR_UNDEF,
+        XMRTO_ERROR_001, // (503) internal services not available	try again later
+        XMRTO_ERROR_002, // (400) malformed bitcoin address	check address validity
+        XMRTO_ERROR_003, // (400) invalid bitcoin amount	check amount data type
+        XMRTO_ERROR_004, // (400) bitcoin amount out of bounds	check min and max amount
+        XMRTO_ERROR_005, // (400) unexpected validation error	contact support
+        XMRTO_ERROR_006, // (404) requested order not found	check order UUID
+        XMRTO_ERROR_007, // (503) third party service not available	try again later
+        XMRTO_ERROR_008, // (503) insufficient funds available	try again later
+        XMRTO_ERROR_009  // (400) invalid request	check request parameters
+    }
+
+    public boolean isRetryable() {
+        return (errorId == Error.XMRTO_ERROR_001)
+                || (errorId == Error.XMRTO_ERROR_007)
+                || (errorId == Error.XMRTO_ERROR_008);
+    }
+
+    public static String getErrorIdString(Error anError) {
+        return anError.toString().replace('_', '-');
+    }
+
+    // mostly for testing
+    public XmrToError(String errorId, String message) {
+        Error error;
+        try {
+            error = Error.valueOf(errorId.replace('-', '_'));
+        } catch (IllegalArgumentException ex) {
+            error = Error.XMRTO_ERROR_UNDEF;
+        }
+        this.errorId = error;
+        this.errorMsg = message;
+    }
+
+    public XmrToError(final JSONObject jsonObject) throws JSONException {
+        final String errorId = jsonObject.getString("error");
+        Error error;
+        try {
+            error = Error.valueOf(errorId.replace('-', '_'));
+        } catch (IllegalArgumentException ex) {
+            error = Error.XMRTO_ERROR_UNDEF;
+        }
+        this.errorId = error;
+        this.errorMsg = jsonObject.getString("error_msg");
+    }
+
+    public Error getErrorId() {
+        return errorId;
+    }
+
+    public String getErrorMsg() {
+        return errorMsg;
+    }
+
+    @Override
+    public String toString() {
+        return getErrorIdString(getErrorId()) + ": " + getErrorMsg();
+    }
+
+    /* Errors from Query Parameters
+        HTTP code	XMR.TO error code	Error message/reason	Solution
+        503	XMRTO-ERROR-001	internal services not available	try again later
+        503	XMRTO-ERROR-007	third party service not available	try again later
+        503	XMRTO-ERROR-008	insufficient funds available	try again later
+     */
+
+    /* Errors from Create Order
+        HTTP code	XMR.TO error code	Error message/reason	Solution
+        503	XMRTO-ERROR-001	internal services not available	try again later
+        400	XMRTO-ERROR-002	malformed bitcoin address	check address validity
+        400	XMRTO-ERROR-003	invalid bitcoin amount	check amount data type
+        503	XMRTO-ERROR-004	bitcoin amount out of bounds	check min and max amount
+        400	XMRTO-ERROR-005	unexpected validation error	contact support
+     */
+
+    /* Errors from Query Order
+        HTTP code	XMR.TO error code	Error message/reason	Solution
+        400	XMRTO-ERROR-009	invalid request	check request parameters
+        404	XMRTO-ERROR-006	requested order not found	check order UUID
+     */
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/XmrToException.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto;
+
+public class XmrToException extends Exception {
+    private int code;
+    private XmrToError error;
+
+    public XmrToException(final int code) {
+        super();
+        this.code = code;
+        this.error = null;
+    }
+
+    public XmrToException(final int code, final XmrToError error) {
+        super();
+        this.code = code;
+        this.error = error;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public XmrToError getError() {
+        return error;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/api/CreateOrder.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.api;
+
+public interface CreateOrder {
+    Double getBtcAmount();
+
+    String getBtcDestAddress();
+
+    String getState();
+
+    String getUuid();
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/api/QueryOrderParameters.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.api;
+
+public interface QueryOrderParameters {
+
+    double getLowerLimit(); //  "lower_limit": <lower_order_limit_in_btc_as_float>,
+
+    double getPrice(); // "price": <price_of_1_btc_in_xmr_as_offered_by_service_as_float>,
+
+    double getUpperLimit(); // "upper_limit": <upper_order_limit_in_btc_as_float>,
+
+    boolean isZeroConfEnabled(); // "zero_conf_enabled": <true_if_zero_conf_is_enabled_as_boolean>,
+
+    double getZeroConfMaxAmount(); // "zero_conf_max_amount": <up_to_this_amount_zero_conf_is_possible_as_float>
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/api/QueryOrderStatus.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.api;
+
+import java.util.Date;
+
+public interface QueryOrderStatus {
+    enum State {
+        UNDEF,
+        TO_BE_CREATED, // order creation pending
+        UNPAID, // waiting for Monero payment by user
+        UNDERPAID, // order partially paid
+        PAID_UNCONFIRMED, // order paid, waiting for enough confirmations
+        PAID, // order paid and sufficiently confirmed
+        BTC_SENT, // bitcoin payment sent
+        TIMED_OUT, // order timed out before payment was complete
+        NOT_FOUND // order wasn’t found in system (never existed or was purged)
+    }
+
+    boolean isCreated();
+
+    boolean isTerminal();
+
+    boolean isPending();
+
+    boolean isPaid();
+
+    boolean isSent();
+
+    boolean isError();
+
+    State getState(); // "state": "<order_state_as_string>",
+
+    double getBtcAmount(); // "btc_amount": <requested_amount_in_btc_as_float>,
+
+    String getBtcDestAddress(); // "btc_dest_address": "<requested_destination_address_as_string>",
+
+    String getUuid(); // "uuid": "<unique_order_identifier_as_12_character_string>"
+
+    int getBtcNumConfirmations(); // "btc_num_confirmations": <btc_num_confirmations_as_integer>,
+
+    int getBtcNumConfirmationsBeforePurge(); // "btc_num_confirmations_before_purge": <btc_num_confirmations_before_purge_as_integer>,
+
+    String getBtcTransactionId(); // "btc_transaction_id": "<btc_transaction_id_as_string>",
+
+    Date getCreatedAt(); // "created_at": "<timestamp_as_string>",
+
+    Date getExpiresAt(); // "expires_at": "<timestamp_as_string>",
+
+    int getSecondsTillTimeout(); // "seconds_till_timeout": <seconds_till_timeout_as_integer>,
+
+    double getXmrAmountTotal(); // "xmr_amount_total": <amount_in_xmr_for_this_order_as_float>,
+
+    double getXmrAmountRemaining(); // "xmr_amount_remaining": <amount_in_xmr_that_the_user_must_still_send_as_float>,
+
+    int getXmrNumConfirmationsRemaining(); // "xmr_num_confirmations_remaining": <num_xmr_confirmations_remaining_before_bitcoins_will_be_sent_as_integer>,
+
+    double getXmrPriceBtc(); // "xmr_price_btc": <price_of_1_btc_in_xmr_as_offered_by_service_as_float>,
+
+    String getXmrReceivingAddress(); // "xmr_receiving_address": "xmr_old_style_address_user_can_send_funds_to_as_string",
+
+    String getXmrReceivingIntegratedAddress(); // "xmr_receiving_integrated_address": "xmr_integrated_address_user_needs_to_send_funds_to_as_string",
+
+    int getXmrRecommendedMixin(); // "xmr_recommended_mixin": <xmr_recommended_mixin_as_integer>,
+
+    @Deprecated
+    double getXmrRequiredAmount(); // "xmr_required_amount": <xmr_amount_user_needs_to_send_as_float>,
+
+    String getXmrRequiredPaymentIdLong(); // "xmr_required_payment_id_long": "xmr_payment_id_user_needs_to_include_when_using_old_stlye_address_as_string"
+
+    String getXmrRequiredPaymentIdShort(); // "xmr_required_payment_id_short": "xmr_payment_id_included_in_integrated_address_as_string"
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/api/XmrToApi.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.api;
+
+import android.support.annotation.NonNull;
+
+public interface XmrToApi {
+
+    /**
+     * Queries the order parameter.
+     *
+     * @param callback the callback with the OrderParameter object
+     */
+    void queryOrderParameters(@NonNull final XmrToCallback<QueryOrderParameters> callback);
+
+    /**
+     * Creates an order
+     *
+     * @param amount  the desired amount
+     * @param address the target bitcoin address
+     */
+    void createOrder(final double amount, @NonNull final String address, @NonNull final XmrToCallback<CreateOrder> callback);
+
+    /**
+     * Queries the order status for given current order
+     *
+     * @param uuid     the order uuid
+     * @param callback the callback with the OrderStatus object
+     */
+    void queryOrderStatus(@NonNull final String uuid, @NonNull final XmrToCallback<QueryOrderStatus> callback);
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/api/XmrToCallback.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.api;
+
+public interface XmrToCallback<T> {
+
+    void onSuccess(T t);
+
+    void onError(Exception ex);
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/CreateOrderImpl.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import android.support.annotation.NonNull;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.api.CreateOrder;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+class CreateOrderImpl implements CreateOrder {
+
+    private final String state;
+    private final double btcAmount;
+    private final String btcDestAddress;
+    private final String uuid;
+
+    public Double getBtcAmount() {
+        return btcAmount;
+    }
+
+    public String getBtcDestAddress() {
+        return btcDestAddress;
+    }
+
+    public String getUuid() {
+        return uuid;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    CreateOrderImpl(final JSONObject jsonObject) throws JSONException {
+        this.state = jsonObject.getString("state");
+        this.btcAmount = jsonObject.getDouble("btc_amount");
+        this.btcDestAddress = jsonObject.getString("btc_dest_address");
+        this.uuid = jsonObject.getString("uuid");
+    }
+
+    public static void call(@NonNull final XmrToApiCall api, final double amount, @NonNull final String address,
+                            @NonNull final XmrToCallback<CreateOrder> callback) {
+        try {
+            final JSONObject request = createRequest(amount, address);
+            api.call("order_create", request, new NetworkCallback() {
+                @Override
+                public void onSuccess(JSONObject jsonObject) {
+                    try {
+                        callback.onSuccess(new CreateOrderImpl(jsonObject));
+                    } catch (JSONException ex) {
+                        callback.onError(ex);
+                    }
+                }
+
+                @Override
+                public void onError(Exception ex) {
+                    callback.onError(ex);
+                }
+            });
+        } catch (JSONException ex) {
+            callback.onError(ex);
+        }
+    }
+
+    static JSONObject createRequest(final double amount, final String address) throws JSONException {
+        final JSONObject jsonObject = new JSONObject();
+        jsonObject.put("btc_amount", amount);
+        jsonObject.put("btc_dest_address", address);
+        return jsonObject;
+    }
+
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/NetworkCallback.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import org.json.JSONObject;
+
+interface NetworkCallback {
+
+    void onSuccess(JSONObject jsonObject);
+
+    void onError(Exception ex);
+
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/QueryOrderParametersImpl.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import android.support.annotation.NonNull;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderParameters;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+class QueryOrderParametersImpl implements QueryOrderParameters {
+
+    private double lowerLimit; //  "lower_limit": <lower_order_limit_in_btc_as_float>,
+    private double price; // "price": <price_of_1_btc_in_xmr_as_offered_by_service_as_float>,
+    private double upperLimit; // "upper_limit": <upper_order_limit_in_btc_as_float>,
+    private boolean isZeroConfEnabled; // "zero_conf_enabled": <true_if_zero_conf_is_enabled_as_boolean>,
+    private double zeroConfMaxAmount; // "zero_conf_max_amount": <up_to_this_amount_zero_conf_is_possible_as_float>
+
+    public double getLowerLimit() {
+        return lowerLimit;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public double getUpperLimit() {
+        return upperLimit;
+    }
+
+    public boolean isZeroConfEnabled() {
+        return isZeroConfEnabled;
+    }
+
+    public double getZeroConfMaxAmount() {
+        return zeroConfMaxAmount;
+    }
+
+    QueryOrderParametersImpl(final JSONObject jsonObject) throws JSONException {
+        lowerLimit = jsonObject.getDouble("lower_limit");
+        price = jsonObject.getDouble("price");
+        upperLimit = jsonObject.getDouble("upper_limit");
+        isZeroConfEnabled = jsonObject.getBoolean("zero_conf_enabled");
+        zeroConfMaxAmount = jsonObject.getDouble("zero_conf_max_amount");
+    }
+
+    public static void call(@NonNull final XmrToApiCall api,
+                            @NonNull final XmrToCallback<QueryOrderParameters> callback) {
+        api.call("order_parameter_query", new NetworkCallback() {
+            @Override
+            public void onSuccess(JSONObject jsonObject) {
+                try {
+                    callback.onSuccess(new QueryOrderParametersImpl(jsonObject));
+                } catch (JSONException ex) {
+                    callback.onError(ex);
+                }
+            }
+
+            @Override
+            public void onError(Exception ex) {
+                callback.onError(ex);
+            }
+        });
+    }
+    //{"zero_conf_enabled":true,"price":0.015537,"upper_limit":20.0,"lower_limit":0.001,"zero_conf_max_amount":0.1}
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/QueryOrderStatusImpl.java

@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import android.support.annotation.NonNull;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import timber.log.Timber;
+
+class QueryOrderStatusImpl implements QueryOrderStatus {
+    public static final SimpleDateFormat DATETIME_FORMATTER = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
+
+    public static Date parseDate(String dateString) throws ParseException {
+        return DATETIME_FORMATTER.parse(dateString.replaceAll("Z$", "+0000"));
+    }
+
+    private QueryOrderStatus.State state; // "state": "<order_state_as_string>",
+    private double btcAmount; // "btc_amount": <requested_amount_in_btc_as_float>,
+    private String btcDestAddress; // "btc_dest_address": "<requested_destination_address_as_string>",
+    private String uuid; // "uuid": "<unique_order_identifier_as_12_character_string>"
+    // the following are only returned if the state is "after" TO_BE_CREATED
+    private int btcNumConfirmations; // "btc_num_confirmations": <btc_num_confirmations_as_integer>,
+    private int btcNumConfirmationsBeforePurge; // "btc_num_confirmations_before_purge": <btc_num_confirmations_before_purge_as_integer>,
+    private String btcTransactionId; // "btc_transaction_id": "<btc_transaction_id_as_string>",
+    private Date createdAt; // "created_at": "<timestamp_as_string>",
+    private Date expiresAt; // "expires_at": "<timestamp_as_string>",
+    private int secondsTillTimeout; // "seconds_till_timeout": <seconds_till_timeout_as_integer>,
+    private double xmrAmountTotal; // "xmr_amount_total": <amount_in_xmr_for_this_order_as_float>,
+    private double xmrAmountRemaining; // "xmr_amount_remaining": <amount_in_xmr_that_the_user_must_still_send_as_float>,
+    private int xmrNumConfirmationsRemaining; // "xmr_num_confirmations_remaining": <num_xmr_confirmations_remaining_before_bitcoins_will_be_sent_as_integer>,
+    private double xmrPriceBtc; // "xmr_price_btc": <price_of_1_btc_in_xmr_as_offered_by_service_as_float>,
+    private String xmrReceivingAddress; // "xmr_receiving_address": "xmr_old_style_address_user_can_send_funds_to_as_string",
+    private String xmrReceivingIntegratedAddress; // "xmr_receiving_integrated_address": "xmr_integrated_address_user_needs_to_send_funds_to_as_string",
+    private int xmrRecommendedMixin; // "xmr_recommended_mixin": <xmr_recommended_mixin_as_integer>,
+    private double xmrRequiredAmount; // "xmr_required_amount": <xmr_amount_user_needs_to_send_as_float>,
+    private String xmrRequiredPaymentIdLong; // "xmr_required_payment_id_long": "xmr_payment_id_user_needs_to_include_when_using_old_stlye_address_as_string"
+    private String xmrRequiredPaymentIdShort; // "xmr_required_payment_id_short": "xmr_payment_id_included_in_integrated_address_as_string"
+
+    public QueryOrderStatus.State getState() {
+        return state;
+    }
+
+    public double getBtcAmount() {
+        return btcAmount;
+    }
+
+    public String getBtcDestAddress() {
+        return btcDestAddress;
+    }
+
+    public String getUuid() {
+        return uuid;
+    }
+
+    public int getBtcNumConfirmations() {
+        return btcNumConfirmations;
+    }
+
+    public int getBtcNumConfirmationsBeforePurge() {
+        return btcNumConfirmationsBeforePurge;
+    }
+
+    public String getBtcTransactionId() {
+        return btcTransactionId;
+    }
+
+    public Date getCreatedAt() {
+        return createdAt;
+    }
+
+    public Date getExpiresAt() {
+        return expiresAt;
+    }
+
+    public int getSecondsTillTimeout() {
+        return secondsTillTimeout;
+    }
+
+    public double getXmrAmountTotal() {
+        return xmrAmountTotal;
+    }
+
+    public double getXmrAmountRemaining() {
+        return xmrAmountRemaining;
+    }
+
+    public int getXmrNumConfirmationsRemaining() {
+        return xmrNumConfirmationsRemaining;
+    }
+
+    public double getXmrPriceBtc() {
+        return xmrPriceBtc;
+    }
+
+    public String getXmrReceivingAddress() {
+        return xmrReceivingAddress;
+    }
+
+    public String getXmrReceivingIntegratedAddress() {
+        return xmrReceivingIntegratedAddress;
+    }
+
+    public int getXmrRecommendedMixin() {
+        return xmrRecommendedMixin;
+    }
+
+    public double getXmrRequiredAmount() {
+        return xmrRequiredAmount;
+    }
+
+    public String getXmrRequiredPaymentIdLong() {
+        return xmrRequiredPaymentIdLong;
+    }
+
+    public String getXmrRequiredPaymentIdShort() {
+        return xmrRequiredPaymentIdShort;
+    }
+
+    public boolean isCreated() {
+        return (state.equals(State.UNPAID) ||
+                state.equals(State.BTC_SENT) ||
+                state.equals(State.PAID) ||
+                state.equals(State.PAID_UNCONFIRMED) ||
+                state.equals(State.UNDERPAID));
+    }
+
+    public boolean isTerminal() {
+        return (state.equals(State.BTC_SENT) || isError());
+    }
+
+
+    public boolean isError() {
+        return (state.equals(State.UNDEF) ||
+                state.equals(State.NOT_FOUND) ||
+                state.equals(State.TIMED_OUT));
+    }
+
+    public boolean isPending() {
+        return (state.equals(State.TO_BE_CREATED) ||
+                state.equals(State.UNPAID) ||
+                state.equals(State.UNDERPAID) ||
+                state.equals(State.PAID_UNCONFIRMED) ||
+                state.equals(State.PAID));
+    }
+
+    public boolean isPaid() {
+        return (state.equals(State.PAID_UNCONFIRMED) ||
+                state.equals(State.PAID));
+    }
+
+    public boolean isSent() {
+        return state.equals(State.BTC_SENT);
+    }
+
+
+    QueryOrderStatusImpl(final JSONObject jsonObject) throws JSONException {
+        Timber.d(jsonObject.toString(4));
+        String stateName = jsonObject.getString("state"); // "state": "<order_state_as_string>",
+        State state;
+        try {
+            state = State.valueOf(stateName);
+        } catch (IllegalArgumentException ex) {
+            state = State.UNDEF; //TODO: throws IllegalArgumentException?
+        }
+        this.state = state;
+
+        btcAmount = jsonObject.getDouble("btc_amount"); // "btc_amount": <requested_amount_in_btc_as_float>,
+        btcDestAddress = jsonObject.getString("btc_dest_address"); // "btc_dest_address": "<requested_destination_address_as_string>",
+        uuid = jsonObject.getString("uuid"); // "uuid": "<unique_order_identifier_as_12_character_string>"
+
+        if (isCreated()) {
+            btcNumConfirmations = jsonObject.getInt("btc_num_confirmations"); // "btc_num_confirmations": <btc_num_confirmations_as_integer>,
+            btcNumConfirmationsBeforePurge = jsonObject.getInt("btc_num_confirmations_before_purge"); // "btc_num_confirmations_before_purge": <btc_num_confirmations_before_purge_as_integer>,
+            btcTransactionId = jsonObject.getString("btc_transaction_id"); // "btc_transaction_id": "<btc_transaction_id_as_string>",
+            try {
+                String created = jsonObject.getString("created_at"); // "created_at": "<timestamp_as_string>",
+                createdAt = parseDate(created);
+                String expires = jsonObject.getString("expires_at"); // "expires_at": "<timestamp_as_string>",
+                expiresAt = parseDate(expires);
+            } catch (ParseException ex) {
+                throw new JSONException(ex.getLocalizedMessage());
+            }
+            secondsTillTimeout = jsonObject.getInt("seconds_till_timeout"); // "seconds_till_timeout": <seconds_till_timeout_as_integer>,
+            xmrAmountTotal = jsonObject.getDouble("xmr_amount_total"); // "xmr_amount_total": <amount_in_xmr_for_this_order_as_float>,
+            xmrAmountRemaining = jsonObject.getDouble("xmr_amount_remaining"); // "xmr_amount_remaining": <amount_in_xmr_that_the_user_must_still_send_as_float>,
+            xmrNumConfirmationsRemaining = jsonObject.getInt("xmr_num_confirmations_remaining"); // "xmr_num_confirmations_remaining": <num_xmr_confirmations_remaining_before_bitcoins_will_be_sent_as_integer>,
+            xmrPriceBtc = jsonObject.getDouble("xmr_price_btc"); // "xmr_price_btc": <price_of_1_btc_in_xmr_as_offered_by_service_as_float>,
+            xmrReceivingAddress = jsonObject.getString("xmr_receiving_address"); // "xmr_receiving_address": "xmr_old_style_address_user_can_send_funds_to_as_string",
+            xmrReceivingIntegratedAddress = jsonObject.getString("xmr_receiving_integrated_address"); // "xmr_receiving_integrated_address": "xmr_integrated_address_user_needs_to_send_funds_to_as_string",
+            xmrRecommendedMixin = jsonObject.getInt("xmr_recommended_mixin"); // "xmr_recommended_mixin": <xmr_recommended_mixin_as_integer>,
+            xmrRequiredAmount = jsonObject.getDouble("xmr_required_amount"); // "xmr_required_amount": <xmr_amount_user_needs_to_send_as_float>,
+            xmrRequiredPaymentIdLong = jsonObject.getString("xmr_required_payment_id_long"); // "xmr_required_payment_id_long": "xmr_payment_id_user_needs_to_include_when_using_old_stlye_address_as_string"
+            xmrRequiredPaymentIdShort = jsonObject.getString("xmr_required_payment_id_short"); // "xmr_required_payment_id_short": "xmr_payment_id_included_in_integrated_address_as_string"
+        }
+    }
+
+    public static void call(@NonNull final XmrToApiCall api, @NonNull final String uuid,
+                            @NonNull final XmrToCallback<QueryOrderStatus> callback) {
+        try {
+            final JSONObject request = createRequest(uuid);
+            api.call("order_status_query", request, new NetworkCallback() {
+                @Override
+                public void onSuccess(JSONObject jsonObject) {
+                    try {
+                        callback.onSuccess(new QueryOrderStatusImpl(jsonObject));
+                    } catch (JSONException ex) {
+                        callback.onError(ex);
+                    }
+                }
+
+                @Override
+                public void onError(Exception ex) {
+                    callback.onError(ex);
+                }
+            });
+        } catch (JSONException ex) {
+            callback.onError(ex);
+        }
+    }
+
+    /**
+     * Create JSON request object
+     *
+     * @param uuid unique_order_identifier_as_12_character_string
+     */
+
+    static JSONObject createRequest(final String uuid) throws JSONException {
+        final JSONObject jsonObject = new JSONObject();
+        jsonObject.put("uuid", uuid);
+        return jsonObject;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/XmrToApiCall.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import android.support.annotation.NonNull;
+
+import org.json.JSONObject;
+
+interface XmrToApiCall {
+
+    void call(@NonNull final String path, @NonNull final NetworkCallback callback);
+
+    void call(@NonNull final String path, final JSONObject request, @NonNull final NetworkCallback callback);
+}

app/src/main/java/com/m2049r/xmrwallet/xmrto/network/XmrToApiImpl.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.VisibleForTesting;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.CreateOrder;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderParameters;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+
+import okhttp3.Call;
+import okhttp3.HttpUrl;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+import timber.log.Timber;
+
+public class XmrToApiImpl implements XmrToApi, XmrToApiCall {
+
+    @NonNull
+    private final OkHttpClient okHttpClient;
+
+    private final HttpUrl baseUrl;
+
+    public XmrToApiImpl(@NonNull final OkHttpClient okHttpClient, final HttpUrl baseUrl) {
+        this.okHttpClient = okHttpClient;
+        this.baseUrl = baseUrl;
+    }
+
+    public XmrToApiImpl(@NonNull final OkHttpClient okHttpClient) {
+        this(okHttpClient, HttpUrl.parse("https://xmr.to/api/v2/xmr2btc/"));
+    }
+
+
+    @Override
+    public void createOrder(final double amount, @NonNull final String address,
+                            @NonNull final XmrToCallback<CreateOrder> callback) {
+        CreateOrderImpl.call(this, amount, address, callback);
+    }
+
+    @Override
+    public void queryOrderStatus(@NonNull final String uuid,
+                                 @NonNull final XmrToCallback<QueryOrderStatus> callback) {
+        QueryOrderStatusImpl.call(this, uuid, callback);
+    }
+
+    @Override
+    public void queryOrderParameters(@NonNull final XmrToCallback<QueryOrderParameters> callback) {
+        QueryOrderParametersImpl.call(this, callback);
+    }
+
+
+    @Override
+    public void call(@NonNull final String path, @NonNull final NetworkCallback callback) {
+        call(path, null, callback);
+    }
+
+    @Override
+    public void call(@NonNull final String path, final JSONObject request, @NonNull final NetworkCallback callback) {
+        final HttpUrl url = baseUrl.newBuilder()
+                .addPathSegment(path)
+                .addPathSegment("") // xmr.to needs a trailing slash!
+                .build();
+
+        Timber.d(url.toString());
+        final Request httpRequest = createHttpRequest(request, url);
+        Timber.d(httpRequest.toString());
+        Timber.d(request == null ? "null request" : request.toString());
+
+        okHttpClient.newCall(httpRequest).enqueue(new okhttp3.Callback() {
+            @Override
+            public void onFailure(final Call call, final IOException ex) {
+                Timber.d("A");
+                callback.onError(ex);
+            }
+
+            @Override
+            public void onResponse(final Call call, final Response response) throws IOException {
+                Timber.d("onResponse code=%d", response.code());
+                if (response.isSuccessful()) {
+                    try {
+                        final JSONObject json = new JSONObject(response.body().string());
+                        callback.onSuccess(json);
+                    } catch (JSONException ex) {
+                        callback.onError(ex);
+                    }
+                } else {
+                    try {
+                        final JSONObject json = new JSONObject(response.body().string());
+                        final XmrToError error = new XmrToError(json);
+                        Timber.e("xmr.to says %d/%s", response.code(), error.toString());
+                        callback.onError(new XmrToException(response.code(), error));
+                    } catch (JSONException ex) {
+                        callback.onError(new XmrToException(response.code()));
+                    }
+                }
+            }
+        });
+    }
+
+    private Request createHttpRequest(final JSONObject request, final HttpUrl url) {
+        if (request != null) {
+            final RequestBody body = RequestBody.create(
+                    MediaType.parse("application/json"), request.toString());
+
+            return new Request.Builder()
+                    .url(url)
+                    .post(body)
+                    .build();
+        } else {
+            return new Request.Builder()
+                    .url(url)
+                    .get()
+                    .build();
+        }
+    }
+}

app/src/main/res/drawable-v24/ic_check_circle_xmr.xml

@@ -0,0 +1,46 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="58.0"
+    android:viewportWidth="58.0">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M17.11,23.49L13.05,27.55L26.1,40.6L55.1,11.6L51.04,7.54L26.1,32.48L17.11,23.49L17.11,23.49ZM52.2,29C52.2,41.76 41.76,52.2 29,52.2C16.24,52.2 5.8,41.76 5.8,29C5.8,16.24 16.24,5.8 29,5.8C31.32,5.8 33.35,6.09 35.38,6.67L40.02,2.03C36.54,0.87 32.77,0 29,0C13.05,0 0,13.05 0,29C0,44.95 13.05,58 29,58C44.95,58 58,44.95 58,29L52.2,29L52.2,29Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="58.0"
+                android:endY="6.439293516E-15"
+                android:startX="2.1746516868E-31"
+                android:startY="58.0"
+                android:type="linear">
+                <item
+                    android:color="#FFF0006B"
+                    android:offset="0.0" />
+                <item
+                    android:color="#FFFF6600"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFE"
+        android:fillType="evenOdd"
+        android:pathData="M20,13C20,18.52 15.52,23 10,23C4.48,23 -0,18.52 -0,13C-0,7.48 4.48,3.01 10,3.01C15.52,3.01 20,7.48 20,13"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+    <path
+        android:fillColor="#FF6105"
+        android:fillType="evenOdd"
+        android:pathData="M10,3.01C4.48,3.01 -0.01,7.49 0,13C0,14.11 0.18,15.17 0.51,16.16L3.5,16.16L3.5,7.75L10,14.25L16.49,7.75L16.49,16.16L19.49,16.16C19.82,15.17 19.99,14.11 19.99,13C20,7.48 15.52,3.01 10,3.01L10,3.01Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+    <path
+        android:fillColor="#464543"
+        android:fillType="evenOdd"
+        android:pathData="M8.5,15.74L5.67,12.91L5.67,18.2L4.58,18.2L3.5,18.2L1.45,18.2C3.21,21.08 6.38,23 10,23C13.62,23 16.79,21.08 18.54,18.2L16.49,18.2L14.56,18.2L14.33,18.2L14.33,12.91L11.49,15.74L10,17.23L8.5,15.74L8.5,15.74Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>

app/src/main/res/drawable/ic_arrow_right_orange_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="@color/gradientOrange"
+        android:pathData="M8.59,16.34l4.58,-4.59 -4.58,-4.59L10,5.75l6,6 -6,6z" />
+</vector>

app/src/main/res/drawable/ic_check_circle_xmr.xml

@@ -0,0 +1,26 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="58.0"
+    android:viewportWidth="58.0">
+    <path
+        android:fillColor="@color/gradientPink"
+        android:pathData="M17.11,23.49L13.05,27.55L26.1,40.6L55.1,11.6L51.04,7.54L26.1,32.48L17.11,23.49L17.11,23.49ZM52.2,29C52.2,41.76 41.76,52.2 29,52.2C16.24,52.2 5.8,41.76 5.8,29C5.8,16.24 16.24,5.8 29,5.8C31.32,5.8 33.35,6.09 35.38,6.67L40.02,2.03C36.54,0.87 32.77,0 29,0C13.05,0 0,13.05 0,29C0,44.95 13.05,58 29,58C44.95,58 58,44.95 58,29L52.2,29L52.2,29Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+    <path
+        android:fillColor="#FFFFFE"
+        android:pathData="M20,13C20,18.52 15.52,23 10,23C4.48,23 -0,18.52 -0,13C-0,7.48 4.48,3.01 10,3.01C15.52,3.01 20,7.48 20,13"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+    <path
+        android:fillColor="#FF6105"
+        android:pathData="M10,3.01C4.48,3.01 -0.01,7.49 0,13C0,14.11 0.18,15.17 0.51,16.16L3.5,16.16L3.5,7.75L10,14.25L16.49,7.75L16.49,16.16L19.49,16.16C19.82,15.17 19.99,14.11 19.99,13C20,7.48 15.52,3.01 10,3.01L10,3.01Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+    <path
+        android:fillColor="#464543"
+        android:pathData="M8.5,15.74L5.67,12.91L5.67,18.2L4.58,18.2L3.5,18.2L1.45,18.2C3.21,21.08 6.38,23 10,23C13.62,23 16.79,21.08 18.54,18.2L16.49,18.2L14.56,18.2L14.33,18.2L14.33,12.91L11.49,15.74L10,17.23L8.5,15.74L8.5,15.74Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>

app/src/main/res/drawable/ic_content_copy_black_24dp.xml

@@ -1,9 +1,9 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
     <path
-        android:fillColor="@color/moneroBlack"
-        android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM19,5L8,5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2L21,7c0,-1.1 -0.9,-2 -2,-2zM19,21L8,21L8,7h11v14z"/>
+        android:fillColor="#FF000000"
+        android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM19,5L8,5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2L21,7c0,-1.1 -0.9,-2 -2,-2zM19,21L8,21L8,7h11v14z" />
 </vector>

app/src/main/res/drawable/ic_content_copy_white_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFffffff"
+        android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM19,5L8,5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2L21,7c0,-1.1 -0.9,-2 -2,-2zM19,21L8,21L8,7h11v14z"/>
+</vector>

app/src/main/res/drawable/ic_error_red_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#ff8b0000"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM17,13L7,13v-2h10v2z" />
+</vector>

app/src/main/res/drawable/ic_keyboard_arrow_right_black_24dp.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M8.59,16.34l4.58,-4.59 -4.58,-4.59L10,5.75l6,6 -6,6z"/>
-</vector>

app/src/main/res/drawable/ic_logo_horizontol_xmrujo.xml

@@ -24,9 +24,6 @@
     <path
         android:fillColor="#FFffffff"
         android:pathData="M251.43,76.85a4.48,4.48 0,0 1,-1 3.24,4.61 4.61,0 0,1 -3.33,1h-2.43v4.67h3.56c5.93,0 8.85,-3 8.85,-8.88V35.07h-5.69Z" />
-    <path
-        android:fillColor="#FFffffff"
-        android:pathData="M59.82,29.57a3.9,3.9 0,0 0,2.76 -6.64A3.85,3.85 0,0 0,56 25.69a3.8,3.8 0,0 0,1.1 2.75A3.64,3.64 0,0 0,59.82 29.57Z" />
     <path
         android:fillColor="#FFffffff"
         android:pathData="M59,38.31a13.12,13.12 0,0 0,-9.64 -3.79,13.81 13.81,0 0,0 -7.35,2A14,14 0,0 0,36.92 42a12,12 0,0 0,-4.82 -5.54A13.65,13.65 0,0 0,25 34.52q-7.7,0 -11.21,6.14V35.07H8V69.46h5.75V50.05q0,-5.2 2.54,-7.89a9.09,9.09 0,0 1,7 -2.69,9 9,0 0,1 6.91,2.69q2.5,2.69 2.5,7.89v19.4h5.64V50.05q0,-5.2 2.54,-7.89a9.06,9.06 0,0 1,6.92 -2.69,9 9,0 0,1 6.91,2.69c1.69,1.8 2.52,4.43 2.52,7.89V69.46l0,7.39a4.48,4.48 0,0 1,-0.95 3.24,4.59 4.59,0 0,1 -3.33,1H50.41v4.67H54c5.93,0 8.82,-3 8.82,-8.88V49.11C62.82,44.44 61.56,40.84 59,38.31Z" />

app/src/main/res/drawable/ic_pending_orange_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="@color/give"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM6.5,9L10,5.5 13.5,9L11,9v4L9,13L9,9L6.5,9zM17.5,15L14,18.5 10.5,15L13,15v-4h2v4h2.5z" />
+</vector>

app/src/main/res/drawable/ic_success_green_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="@color/take"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM10,17l-5,-5 1.41,-1.41L10,14.17l7.59,-7.59L19,8l-9,9z" />
+</vector>

app/src/main/res/layout/fragment_about.xml

@@ -17,6 +17,13 @@
             android:layout_height="48dp"
             android:src="@mipmap/ic_launcher" />
 
+        <TextView
+            style="@style/MoneroLabel.Caps"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:text="@string/about_whoami" />
+
         <TextView
             android:id="@+id/tvVersion"
             android:layout_width="match_parent"
@@ -29,8 +36,8 @@
             style="@style/MoneroText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/header_top"
             android:layout_marginBottom="@dimen/header_top"
+            android:layout_marginTop="@dimen/header_top"
             android:gravity="start"
             android:textSize="10sp"
             tools:text="@string/menu_help" />

app/src/main/res/layout/fragment_send.xml

@@ -277,7 +277,7 @@
                 android:layout_marginTop="4dp"
                 android:enabled="false"
                 android:minHeight="36dp"
-                android:text="@string/send_send_hint" />
+                android:text="@string/send_send_label" />
 
             <Button
                 android:id="@+id/bReallySend"

app/src/main/res/layout/fragment_send_address.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">
@@ -28,8 +29,8 @@
 
     <FrameLayout
         android:layout_width="match_parent"
-        android:layout_height="96dp"
-        android:layout_marginBottom="4dp">
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="48dp">
 
         <TextView
             android:id="@+id/tvPaymentIdIntegrated"
@@ -37,17 +38,48 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="start|center_vertical"
+            android:layout_margin="8dp"
             android:drawablePadding="8dp"
             android:drawableStart="@drawable/ic_check_gray_24dp"
             android:gravity="center"
             android:text="@string/info_paymentid_intergrated"
             android:textSize="18sp"
-            android:visibility="gone" />
+            android:visibility="invisible" />
+
+
+        <LinearLayout
+            android:id="@+id/llXmrTo"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:orientation="horizontal"
+            android:visibility="invisible">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="top"
+                android:paddingTop="8dp"
+                android:src="@drawable/gunther_24dp" />
+
+            <TextView
+                android:id="@+id/tvXmrTo"
+                style="@style/MoneroText.Info"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="8dp"
+                android:layout_marginRight="8dp"
+                android:gravity="start|top"
+                android:singleLine="false"
+                android:textSize="18sp"
+                tools:text="@string/info_xmrto" />
+        </LinearLayout>
 
         <LinearLayout
             android:id="@+id/llPaymentId"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_gravity="center"
             android:layout_marginBottom="4dp"
             android:orientation="horizontal"
             android:visibility="visible"

app/src/main/res/layout/fragment_send_amount.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">

app/src/main/res/layout/fragment_send_btc_amount.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/tvFunds"
+        style="@style/MoneroText.Funds"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:gravity="center"
+        tools:text="@string/send_available_btc" />
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <com.m2049r.xmrwallet.widget.SendProgressView
+            android:id="@+id/evXmrToParms"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center" />
+
+        <LinearLayout
+            android:id="@+id/llXmrToParms"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:orientation="horizontal"
+            android:visibility="invisible">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="top"
+                android:paddingTop="8dp"
+                android:src="@drawable/ic_xmrto_32dp" />
+
+            <TextView
+                android:id="@+id/tvXmrToParms"
+                style="@style/MoneroText.Info"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="start|top"
+                android:layout_marginLeft="8dp"
+                android:layout_marginRight="8dp"
+                android:singleLine="false"
+                tools:text="@string/info_send_xmrto_parms" />
+
+        </LinearLayout>
+    </FrameLayout>
+
+    <com.m2049r.xmrwallet.widget.ExchangeBtcTextView
+        android:id="@+id/evAmount"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:layout_marginTop="16dp"
+        android:orientation="vertical" />
+
+    <com.m2049r.xmrwallet.widget.NumberPadView
+        android:id="@+id/numberPad"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/white"
+        android:gravity="center" />
+
+</LinearLayout>

app/src/main/res/layout/fragment_send_btc_confirm.xml

@@ -0,0 +1,252 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:foreground="?android:attr/selectableItemBackground"
+        card_view:cardCornerRadius="2dp"
+        card_view:cardElevation="8dp"
+        card_view:contentPadding="8dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <FrameLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.m2049r.xmrwallet.widget.SendProgressView
+                    android:id="@+id/evStageA"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center" />
+
+                <LinearLayout
+                    android:id="@+id/llStageA"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:orientation="vertical"
+                    android:visibility="visible">
+
+                    <TextView
+                        style="@style/MoneroText.Confirm.Label"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="8dp"
+                        android:drawablePadding="8dp"
+                        android:drawableStart="@drawable/ic_xmrto_32dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/label_send_btc_xmrto_key" />
+
+                    <TextView
+                        android:id="@+id/tvTxXmrToKey"
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="@color/dotGray"
+                        android:drawableEnd="@drawable/ic_content_copy_white_24dp"
+                        android:drawablePadding="16dp"
+                        android:paddingBottom="8dp"
+                        android:paddingEnd="8dp"
+                        android:paddingStart="24dp"
+                        android:paddingTop="8dp"
+                        android:textColor="@color/white"
+                        tools:text="XMR.TO-d2KQ" />
+
+                    <TextView
+                        style="@style/MoneroText.Medium"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/label_send_btc_xmrto_info" />
+
+                    <TextView
+                        style="@style/MoneroText.Confirm.Label"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="8dp"
+                        android:layout_marginTop="16dp"
+                        android:text="@string/label_send_btc_address"
+                        android:textAlignment="textStart" />
+
+                    <TextView
+                        android:id="@+id/tvTxBtcAddress"
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:textAlignment="textStart"
+                        tools:text="mpQ84J43EURZHkCnXbyQ4PpNDLLBqdsMW2" />
+                </LinearLayout>
+            </FrameLayout>
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_marginBottom="8dp"
+                android:layout_marginTop="8dp"
+                android:background="@android:color/darker_gray" />
+
+            <FrameLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.m2049r.xmrwallet.widget.SendProgressView
+                    android:id="@+id/evStageB"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center" />
+
+                <LinearLayout
+                    android:id="@+id/llStageB"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:orientation="vertical"
+                    android:visibility="invisible">
+
+                    <TextView
+                        style="@style/MoneroText.Confirm.Label"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="8dp"
+                        android:text="@string/label_send_btc_amount"
+                        android:textAlignment="textStart" />
+
+                    <TextView
+                        android:id="@+id/tvTxBtcAmount"
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:textAlignment="textStart"
+                        tools:text="1.75 BTC = 84.118438761777 XMR" />
+
+                    <TextView
+                        android:id="@+id/tvTxBtcRate"
+                        style="@style/MoneroLabel.Gray"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:textAlignment="textStart"
+                        android:textSize="16sp"
+                        tools:text="(Rate: 0.020804 BTC/XMR)" />
+                </LinearLayout>
+            </FrameLayout>
+        </LinearLayout>
+    </android.support.v7.widget.CardView>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginStart="16dp">
+
+        <com.m2049r.xmrwallet.widget.SendProgressView
+            android:id="@+id/evStageC"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center" />
+
+        <LinearLayout
+            android:id="@+id/llStageC"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:orientation="horizontal"
+                android:weightSum="3">
+
+                <TextView
+                    android:id="@+id/tvTxFeeLabel"
+                    style="@style/MoneroLabel.Gray"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/send_fee_btc_label"
+                    android:textAlignment="textStart"
+                    android:textSize="16sp" />
+
+                <TextView
+                    android:id="@+id/tvTxFee"
+                    style="@style/MoneroText.Gray"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    android:textSize="16sp"
+                    tools:text="0.006817000000" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:orientation="horizontal"
+                android:weightSum="3">
+
+                <TextView
+                    android:id="@+id/tvTxTotalLabel"
+                    style="@style/MoneroLabel.Caps.Black"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/send_total_btc_label"
+                    android:textAlignment="textStart"
+                    android:textSize="16sp" />
+
+                <TextView
+                    android:id="@+id/tvTxTotal"
+                    style="@style/MoneroText.Black"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    android:textSize="16sp"
+                    tools:text="143.014817000000" />
+            </LinearLayout>
+        </LinearLayout>
+    </FrameLayout>
+
+    <LinearLayout
+        android:id="@+id/llConfirmSend"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:orientation="vertical"
+        android:visibility="invisible">
+
+        <Button
+            android:id="@+id/bSend"
+            style="@style/MoneroButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:enabled="true"
+            android:padding="8dp"
+            android:text="@string/send_send_label" />
+
+        <ProgressBar
+            android:id="@+id/pbProgressSend"
+            style="@style/Widget.AppCompat.ProgressBar.Horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:indeterminate="true"
+            android:visibility="invisible" />
+    </LinearLayout>
+
+</LinearLayout>

app/src/main/res/layout/fragment_send_btc_success.xml

@@ -0,0 +1,260 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="16dp"
+            android:orientation="horizontal">
+
+            <ImageView
+                android:layout_width="72dp"
+                android:layout_height="72dp"
+                android:layout_gravity="top"
+                android:layout_marginEnd="24dp"
+                android:padding="6dp"
+                android:src="@drawable/ic_check_circle_xmr" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <TextView
+                    style="@style/MoneroText.Success"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:text="@string/label_send_success" />
+
+                <TextView
+                    android:id="@+id/tvTxAmount"
+                    style="@style/MoneroText.Balance.Orange"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    tools:text="143.008000 XMR" />
+
+                <TextView
+                    android:id="@+id/tvTxFee"
+                    style="@style/MoneroText.Gray.SuccessFee"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    tools:text="+0.006817 Fee" />
+
+            </LinearLayout>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:orientation="horizontal">
+
+            <TextView
+                style="@style/MoneroText.Confirm.Label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/label_send_txid"
+                android:textAlignment="textStart" />
+
+            <ImageButton
+                android:id="@+id/bCopyTxId"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:background="?android:selectableItemBackground"
+                android:enabled="false"
+                android:src="@drawable/ic_content_nocopy_black_24dp" />
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/tvTxId"
+            style="@style/MoneroText"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:textAlignment="textStart"
+            tools:text="fcb12cbe9f43d4e8b9ee54f48d450a89a6937946db856506820df0539571801d" />
+
+        <TextView
+            style="@style/MoneroText.Confirm.Label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:text="@string/label_send_address"
+            android:textAlignment="textStart" />
+
+        <TextView
+            android:id="@+id/tvTxAddress"
+            style="@style/MoneroText"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:textAlignment="textStart"
+            tools:text="4AdkPJoxn7JCvAby9szgnt93MSEwdnxdhaASxbTBm6x5dCwmsDep2UYN4FhStDn5i11nsJbpU7oj59ahg8gXb1Mg3viqCuk" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/labelPaymentId"
+                style="@style/MoneroText.Confirm.Label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/label_send_payment_id" />
+
+            <TextView
+                android:id="@+id/tvTxPaymentId"
+                style="@style/MoneroText.Confirm"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                tools:text="d666a38d4a28fb38" />
+        </LinearLayout>
+
+        <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
+            android:id="@+id/cvXmrTo"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp"
+            android:layout_marginTop="8dp"
+            card_view:cardCornerRadius="2dp"
+            card_view:cardElevation="8dp"
+            card_view:contentPadding="8dp">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+
+                <RelativeLayout
+                    android:layout_width="wrap_content"
+                    android:layout_height="match_parent"
+                    android:orientation="vertical">
+
+                    <FrameLayout
+                        android:id="@+id/flXmrtoProgress"
+                        android:layout_width="72dp"
+                        android:layout_height="wrap_content"
+                        android:layout_centerInParent="true">
+
+                        <ProgressBar
+                            android:id="@+id/pbXmrto"
+                            android:layout_width="match_parent"
+                            android:layout_height="72dp"
+                            android:layout_gravity="center"
+                            android:backgroundTintMode="src_in"
+                            android:indeterminate="true"
+                            android:indeterminateTint="@color/moneroFab" />
+
+                        <ImageView
+                            android:id="@+id/ivXmrToStatus"
+                            android:layout_width="24dp"
+                            android:layout_height="24dp"
+                            android:layout_gravity="center"
+                            android:src="@drawable/ic_pending_orange_24dp"
+                            android:visibility="visible" />
+
+                        <ImageView
+                            android:id="@+id/ivXmrToStatusBig"
+                            android:layout_width="72dp"
+                            android:layout_height="72dp"
+                            android:layout_gravity="center"
+                            android:visibility="invisible" />
+
+                        <ImageView
+                            android:layout_width="24dp"
+                            android:layout_height="24dp"
+                            android:layout_gravity="top|start"
+                            android:layout_marginStart="10dp"
+                            android:layout_marginTop="0dp"
+                            android:src="@drawable/ic_xmrto_whitestroke_24px" />
+
+                    </FrameLayout>
+
+                    <TextView
+                        android:id="@+id/tvXmrToStatus"
+                        style="@style/MoneroText"
+                        android:layout_width="72dp"
+                        android:layout_height="wrap_content"
+                        android:layout_below="@+id/flXmrtoProgress"
+                        android:gravity="center"
+                        android:text="@string/info_send_xmrto_query"
+                        android:textSize="10sp"
+                        android:textStyle="bold"
+                        tools:text="Confirmation Pending" />
+
+                </RelativeLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="24dp"
+                    android:orientation="vertical">
+
+                    <TextView
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/info_send_xmrto_success_order_label"
+                        android:textAllCaps="true"
+                        android:textStyle="bold" />
+
+                    <TextView
+                        android:id="@+id/tvXmrToAmount"
+                        style="@style/MoneroText.Balance.Orange"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="start"
+                        android:gravity="center"
+                        tools:text="0.001 BTC" />
+
+                    <TextView
+                        android:id="@+id/tvTxXmrToKey"
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="@color/dotGray"
+                        android:drawableEnd="@drawable/ic_content_copy_white_24dp"
+                        android:drawablePadding="8dp"
+                        android:paddingBottom="8dp"
+                        android:paddingEnd="8dp"
+                        android:paddingStart="16dp"
+                        android:paddingTop="8dp"
+                        android:textColor="@color/white"
+                        tools:text="XMR.TO-d2KQ" />
+
+                    <TextView
+                        style="@style/MoneroText"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="start"
+                        android:layout_marginTop="8dp"
+                        android:drawablePadding="4dp"
+                        android:drawableStart="@drawable/ic_info_outline_gray_24dp"
+                        android:gravity="center"
+                        android:text="@string/label_send_btc_xmrto_info"
+                        android:textSize="12sp" />
+                </LinearLayout>
+            </LinearLayout>
+        </android.support.v7.widget.CardView>
+
+    </LinearLayout>
+</ScrollView>

app/src/main/res/layout/fragment_send_confirm.xml

@@ -183,7 +183,7 @@
             android:layout_marginTop="48dp"
             android:enabled="true"
             android:padding="8dp"
-            android:text="@string/send_send_hint" />
+            android:text="@string/send_send_label" />
 
         <ProgressBar
             android:id="@+id/pbProgressSend"

app/src/main/res/layout/fragment_send_success.xml

@@ -13,30 +13,55 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginBottom="16dp"
-            android:layout_marginTop="4dp"
-            android:gravity="center"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="16dp"
             android:orientation="horizontal">
 
             <ImageView
-                android:layout_width="96dp"
-                android:layout_height="96dp"
-                android:layout_gravity="center"
-                android:layout_margin="16dp"
+                android:layout_width="72dp"
+                android:layout_height="72dp"
+                android:layout_gravity="top"
+                android:layout_marginEnd="24dp"
+                android:padding="6dp"
                 android:src="@drawable/ic_check_circle" />
 
-            <TextView
-                style="@style/MoneroText.Sucess"
-                android:layout_width="wrap_content"
+            <LinearLayout
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
-                android:layout_marginStart="16dp"
-                android:text="@string/label_send_success" />
+                android:orientation="vertical">
+
+                <TextView
+                    style="@style/MoneroText.Success"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:text="@string/label_send_success" />
+
+                <TextView
+                    android:id="@+id/tvTxAmount"
+                    style="@style/MoneroText.Balance.Orange"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    tools:text="143.008000 XMR" />
+
+                <TextView
+                    android:id="@+id/tvTxFee"
+                    style="@style/MoneroText.Gray.SuccessFee"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:textAlignment="textEnd"
+                    tools:text="+0.006817 Fee" />
+
+            </LinearLayout>
         </LinearLayout>
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
             android:orientation="horizontal">
 
             <TextView
@@ -47,7 +72,7 @@
                 android:textAlignment="textStart" />
 
             <ImageButton
-                android:id="@+id/bCopyAddress"
+                android:id="@+id/bCopyTxId"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="16dp"
@@ -86,15 +111,16 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginBottom="8dp"
             android:layout_marginTop="4dp"
             android:orientation="horizontal">
 
             <TextView
+                android:id="@+id/labelPaymentId"
                 style="@style/MoneroText.Confirm.Label"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="@string/label_send_payment_id"
-                android:textAlignment="textStart" />
+                android:text="@string/label_send_payment_id" />
 
             <TextView
                 android:id="@+id/tvTxPaymentId"
@@ -102,114 +128,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="8dp"
-                android:textAlignment="textStart"
                 tools:text="d666a38d4a28fb38" />
         </LinearLayout>
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="4dp"
-            android:orientation="horizontal">
-
-            <TextView
-                style="@style/MoneroText.Confirm.Label"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/label_send_notes"
-                android:textAlignment="textStart" />
-
-            <TextView
-                android:id="@+id/tvTxNotes"
-                style="@style/MoneroText.Confirm"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginStart="8dp"
-                android:textAlignment="textStart"
-                tools:text="gunegugumobil" />
-        </LinearLayout>
-
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="1dp"
-            android:layout_marginTop="8dp"
-            android:background="@android:color/darker_gray" />
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="8dp"
-            android:orientation="horizontal">
-
-            <TextView
-                android:id="@+id/tvTxAmountLabel"
-                style="@style/MoneroLabel.Gray"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/send_amount_label"
-                android:textAlignment="textStart" />
-
-            <TextView
-                android:id="@+id/tvTxAmount"
-                style="@style/MoneroText.Gray"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="2"
-                android:textAlignment="textEnd"
-                tools:text="143.008000000000" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="4dp"
-            android:orientation="horizontal"
-            android:weightSum="3">
-
-            <TextView
-                android:id="@+id/tvTxFeeLabel"
-                style="@style/MoneroLabel.Gray"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/send_fee_label"
-                android:textAlignment="textStart" />
-
-            <TextView
-                android:id="@+id/tvTxFee"
-                style="@style/MoneroText.Gray"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="2"
-                android:textAlignment="textEnd"
-                tools:text="0.006817000000" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="4dp"
-            android:orientation="horizontal"
-            android:weightSum="3">
-
-            <TextView
-                android:id="@+id/tvTxTotalLabel"
-                style="@style/MoneroLabel.Caps.Black"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/send_total_label"
-                android:textAlignment="textStart" />
-
-            <TextView
-                android:id="@+id/tvTxTotal"
-                style="@style/MoneroText.Black"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="2"
-                android:textAlignment="textEnd"
-                tools:text="143.014817000000" />
-        </LinearLayout>
     </LinearLayout>
 </ScrollView>

app/src/main/res/layout/fragment_tx_info.xml

@@ -58,6 +58,114 @@
                 tools:text="2017-10-09 12:44:13 +0200" />
         </LinearLayout>
 
+        <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
+            android:id="@+id/cvXmrTo"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:foreground="?android:attr/selectableItemBackground"
+            card_view:cardCornerRadius="2dp"
+            card_view:cardElevation="8dp"
+            card_view:contentPadding="8dp">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <TextView
+                    style="@style/MoneroText.Medium"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:drawablePadding="8dp"
+                    android:drawableStart="@drawable/ic_xmrto_32dp"
+                    android:gravity="center"
+                    android:text="@string/label_send_btc_xmrto_info" />
+
+                <TableLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:shrinkColumns="1">
+
+                    <TableRow>
+
+                        <TextView
+                            style="@style/MoneroLabel.Small"
+                            android:layout_gravity="center_vertical"
+                            android:gravity="end"
+                            android:padding="8dp"
+                            android:text="@string/tx_amount_btc" />
+
+                        <TextView
+                            android:id="@+id/tvTxAmountBtc"
+                            style="@style/MoneroText"
+                            android:gravity="start"
+                            android:padding="8dp"
+                            android:selectAllOnFocus="true"
+                            android:textColor="@color/gradientOrange"
+                            android:textIsSelectable="true"
+                            tools:text="1.008 BTC" />
+                    </TableRow>
+
+                    <TableRow>
+
+                        <TextView
+                            android:id="@+id/labelDestinationBtc"
+                            style="@style/MoneroLabel.Small"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:gravity="end"
+                            android:padding="8dp"
+                            android:text="@string/tx_destination_btc" />
+
+                        <TextView
+                            android:id="@+id/tvDestinationBtc"
+                            style="@style/MoneroText"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:gravity="start"
+                            android:padding="8dp"
+                            android:selectAllOnFocus="true"
+                            android:text="mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9"
+                            android:textIsSelectable="true" />
+                    </TableRow>
+
+                    <TableRow>
+
+                        <TextView
+                            android:id="@+id/labelTxXmrToKey"
+                            style="@style/MoneroLabel.Small"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center_vertical"
+                            android:gravity="end"
+                            android:padding="8dp"
+                            android:text="@string/label_send_btc_xmrto_key_lb" />
+
+                        <LinearLayout>
+
+                            <TextView
+                                android:id="@+id/tvTxXmrToKey"
+                                style="@style/MoneroText"
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:background="@color/dotGray"
+                                android:drawableEnd="@drawable/ic_content_copy_white_24dp"
+                                android:drawablePadding="16dp"
+                                android:paddingBottom="8dp"
+                                android:paddingEnd="8dp"
+                                android:paddingStart="24dp"
+                                android:paddingTop="8dp"
+                                android:textColor="@color/white"
+                                tools:text="XMR.TO-d2KQ" />
+                        </LinearLayout>
+                    </TableRow>
+
+                </TableLayout>
+            </LinearLayout>
+
+        </android.support.v7.widget.CardView>
 
         <TableLayout
             android:layout_width="match_parent"

app/src/main/res/layout/item_transaction.xml

@@ -16,11 +16,19 @@
         android:orientation="horizontal"
         android:padding="8dp">
 
+        <ImageView
+            android:id="@+id/ivTxType"
+            android:layout_width="16dp"
+            android:layout_height="16dp"
+            android:layout_gravity="center"
+            android:src="@drawable/ic_xmrto_32dp"
+            android:visibility="visible"/>
+
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
-            android:layout_weight="11"
+            android:layout_weight="9"
             android:orientation="vertical">
 
             <TextView
@@ -29,7 +37,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:gravity="end"
-                tools:text="999999.99999" />
+                tools:text="999.999999" />
 
             <TextView
                 android:id="@+id/tx_fee"

app/src/main/res/layout/view_exchange_btc_text.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:showIn="LinearLayout">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:orientation="horizontal">
+
+        <Spinner
+            android:id="@+id/sCurrencyA"
+            android:layout_width="56dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:textAlignment="center" />
+
+        <TextView
+            android:id="@+id/tvAmountA"
+            style="@style/MoneroText.Balance.Orange"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center|start"
+            android:layout_marginStart="16dp"
+            android:layout_weight="3"
+            android:hint="@string/send_amount_hint"
+            android:padding="4dp"
+            android:singleLine="true"
+            tools:text="87.00000" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:layout_marginTop="8dp"
+        android:orientation="horizontal">
+
+        <Spinner
+            android:id="@+id/sCurrencyB"
+            android:layout_width="56sp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:textAlignment="center" />
+
+        <TextView
+            android:id="@+id/tvAmountB"
+            style="@style/MoneroText"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center|start"
+            android:layout_marginStart="16dp"
+            android:layout_weight="3"
+            android:hint="@string/send_amount_hint"
+            android:padding="4dp"
+            android:singleLine="true"
+            tools:text="87.00000" />
+
+    </LinearLayout>
+
+</merge>
+

app/src/main/res/layout/view_send_progress.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:showIn="LinearLayout">
+
+    <ProgressBar
+        android:id="@+id/pbProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginEnd="8dp"
+        android:indeterminate="true"
+        android:visibility="invisible" />
+
+    <LinearLayout
+        android:id="@+id/llMessage"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:visibility="visible">
+
+        <TextView
+            android:id="@+id/tvCode"
+            style="@style/MoneroText.Confirm.Label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            tools:text="XMRTO-ERROR-001" />
+
+        <TextView
+            android:id="@+id/tvMessage"
+            style="@style/MoneroText.Confirm"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            tools:text="internal services not available" />
+
+        <TextView
+            android:id="@+id/tvSolution"
+            style="@style/MoneroText.Confirm.Label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            tools:text="Touch to retry" />
+    </LinearLayout>
+</merge>
+

app/src/main/res/values-es/about.xml

@@ -2,7 +2,7 @@
 <resources>
     <string name="about_title">Acerca De</string>
     <string name="about_close">Cerrar</string>
-    <string name="about_version">Soy monerujo %1$s (%2$d)</string>
+    <string name="about_version">Versión %1$s (%2$d)</string>
 
     <string name="donation_text">
         \"¡Donar, bastardos ingratos!\"

app/src/main/res/values-es/strings.xml

@@ -182,7 +182,6 @@
     <string name="send_qr_hint">Escanear</string>
     <string name="send_prepare_hint">Preparar</string>
     <string name="send_dispose_hint">Disponer (Deshacer)</string>
-    <string name="send_send_hint">Gastar mis dulces Moneroj</string>
     <string name="send_really_send_hint">Último Paso - ¡Confirma!</string>
     <string name="send_qr_invalid">No es un Código QR de monero</string>
     <string name="send_qr_address_invalid">Dirección de Monero inválida</string>
@@ -215,10 +214,10 @@
     <string name="tx_timestamp">Marca de tiempo</string>
     <string name="tx_id">ID de Transacción</string>
     <string name="tx_key">Clave de Transacción</string>
-    <string name="tx_destination">Destinatario</string>
+    <string name="tx_destination">Destino</string>
     <string name="tx_paymentId">ID de Pago</string>
     <string name="tx_blockheight">Bloque</string>
-    <string name="tx_amount">Cantidad</string>
+    <string name="tx_amount">Monto</string>
     <string name="tx_fee">Comisión</string>
     <string name="tx_transfers">Transferencias</string>
     <string name="tx_notes">Notas</string>
@@ -271,4 +270,67 @@
     <string name="fab_restore_viewonly">Restaurar cartera de sólo vista</string>
     <string name="fab_restore_key">Restaurar cartera con claves privadas</string>
     <string name="fab_restore_seed">Resturar cartera con semilla de 25 palabras</string>
+    <string name="info_xmrto"><![CDATA[
+        <b>Ingresaste una dirección Bitcoin</b><br/>
+        <i>Vas a enviar XMR y el destinatario recibirá BTC usando el servicio <b>XMR.TO</b>.</i>
+    ]]></string>
+    <string name="info_send_xmrto_success_sending">Enviando</string>
+    <string name="info_send_xmrto_success_status_label">Estado:</string>
+    <string name="info_send_xmrto_success_status">%1$s es %1$s (#%1$d)</string>
+    <string name="info_send_xmrto_success_btc">%1$s BTC</string>
+    <string name="info_txdetails_xmrto_key">Clave:</string>
+    <string name="info_txdetails_xmrto_address">Dirección:</string>
+    <string name="info_txdetails_xmrto_status">Estado:</string>
+    <string name="info_txdetails_xmrto_amount">%1$s BTC</string>
+    <string name="info_send_xmrto_paid">Confirmación pendiente</string>
+    <string name="info_send_xmrto_unpaid">Pago pendiente</string>
+    <string name="info_send_xmrto_error">Error de XMR.TO (%1$s)</string>
+    <string name="info_send_xmrto_sent">BTC Enviados!</string>
+    <string name="info_send_xmrto_query">Consultando &#8230;</string>
+    <string name="info_send_xmrto_parms"><![CDATA[
+         <b>Puedes enviar %1$s &#8212; %2$s BTC</b>.<br/>
+         <i><b>XMR.TO</b> está ofreciendo una tasa de cambio de <b>%3$s BTC</b> <u>en este momento</u></i>.
+    ]]></string>
+    <string name="info_send_xmrto_zeroconf"><![CDATA[
+        <i>Montos hasta <b>%1$s BTC</b> serán enviados <u>en el momento</u>!</i>
+    ]]></string>
+    <string name="send_available_btc">Saldo: %2$s BTC (%1$s XMR)</string>
+    <string name="label_send_progress_xmrto_create">Creando orden XMR.TO</string>
+    <string name="label_send_progress_xmrto_query">Consultando orden XMR.TO</string>
+    <string name="label_send_progress_create_tx">Preparando transacción Monero</string>
+    <string name="label_send_progress_queryparms">Consultando parámetros XMR.TO</string>
+    <string name="label_generic_xmrto_error">ERROR XMR.TO</string>
+    <string name="text_generic_xmrto_error">Código: %1$d</string>
+    <string name="text_retry">Toca para reintentar</string>
+    <string name="text_noretry_monero">Parece que estamos atascados!</string>
+    <string name="text_noretry">Oh-oh, parece que XMR.TO no está disponible ahora!</string>
+    <string name="text_send_btc_amount">%1$s BTC = %2$s XMR</string>
+    <string name="text_send_btc_rate">(Cambio: %1$s BTC/XMR)</string>
+    <string name="label_send_btc_details">Click para más detalles</string>
+    <string name="label_send_btc_xmrto_info">Visita https://xmr.to para soporte y rastreo</string>
+    <string name="label_send_txinfo">Mira en los datos de la TX para más detalles</string>
+    <string name="label_send_btc_xmrto_key_lb">Clave secreta\nXMR.TO</string>
+    <string name="label_send_btc_xmrto_key">Clave secreta XMR.TO</string>
+    <string name="label_send_btc_address">Dirección BTC destino</string>
+    <string name="label_send_btc_amount">Cantidad</string>
+    <string name="label_send_btc_create_order">Creando orden XMR.TO</string>
+    <string name="label_send_btc_retry">Toca para reintentar</string>
+    <string name="send_xmrto_timeout">Oye, esperaste demasiado!</string>
+    <string name="label_copy_xmrtokey">Clave XMR.TO</string>
+    <string name="message_copy_xmrtokey">¡Clave XMR.TO copiada al portapapeles!</string>
+    <string name="send_amount_btc_xmr">%1$s (indicativo)</string>
+    <string name="send_send_label">Gastar mis preciados moneroj</string>
+    <string name="send_send_timed_label">Gastar mis preciados moneroj (%1$s)</string>
+    <string name="send_address_invalid">No es una dirección válida</string>
+    <string name="send_fee_btc_label">Comisión (XMR)</string>
+    <string name="send_total_btc_label">Total (XMR)</string>
+    <string name="send_amount">%1$s XMR</string>
+    <string name="send_fee">+%1$s Comisión</string>
+    <string name="tx_status_btc">Estado</string>
+    <string name="tx_id_btc">TX ID\n(BTC)</string>
+    <string name="tx_destination_btc">Destino\n(BTC)</string>
+    <string name="tx_amount_btc">Monto\n(BTC)</string>
+    <string name="receive_bitcoin_paymentid_invalid">Debe quedar vacío con una dirección Bitcoin</string>
+    <string name="about_whoami">Soy monerujo</string>
+    <string name="info_send_xmrto_success_order_label">Orden XMR.TO</string>
 </resources>

app/src/main/res/values/about.xml

@@ -2,14 +2,15 @@
 <resources>
     <string name="about_title">About</string>
     <string name="about_close">Close</string>
-    <string name="about_version">I am monerujo %1$s (%2$d)</string>
+    <string name="about_whoami">I am monerujo</string>
+    <string name="about_version">Version %1$s (%2$d)</string>
 
     <string name="donation_text">
         \"Donate you ungrateful bastards!\"
     </string>
 
     <string name="donation_address_label">Donations Address</string>
-    <string name="donation_address">4AdkPJoxn7JCvAby9szgnt93MSEwdnxdhaASxbTBm6x5dCwmsDep2UYN4FhStDn5i11nsJbpU7oj59ahg8gXb1Mg3viqCuk</string>
+    <string name="donation_address" translatable="false">4AdkPJoxn7JCvAby9szgnt93MSEwdnxdhaASxbTBm6x5dCwmsDep2UYN4FhStDn5i11nsJbpU7oj59ahg8gXb1Mg3viqCuk</string>
 
     <string name="donation_credits"><![CDATA[
         <b>Credits</b>
@@ -64,7 +65,7 @@
         </p>
         ]]></string>
 
-    <string name="about_licenses"><![CDATA[
+    <string name="about_licenses" translatable="false"><![CDATA[
         <h1>Open Source Licenses</h1>
         <h2>Licensed under the Apache License, Version 2.0</h2>
         <h3>monerujo (https://github.com/m2049r/xmrwallet)</h3>

app/src/main/res/values/colors.xml

@@ -8,6 +8,8 @@
     <color name="gradientOrange">#FFFF6105</color>
     <color name="gradientPink">#FFF0006B</color>
 
+    <color name="xmrtoYellow">#FFFFD700</color>
+
     <color name="trafficGray">#9B9B9B</color>
 
     <color name="take">#FF417505</color>

app/src/main/res/values/strings.xml

@@ -1,6 +1,6 @@
 <resources>
-    <string name="app_name">monerujo</string>
-    <string name="login_activity_name">monerujo</string>
+    <string name="app_name" translatable="false">monerujo</string>
+    <string name="login_activity_name" translatable="false">monerujo</string>
     <string name="wallet_activity_name">Wallet</string>
 
     <string name="menu_testnet">Testnet</string>
@@ -21,16 +21,75 @@
     <string name="label_cancel">Cancel</string>
     <string name="label_wallet_advanced_details">Touch for detailed information</string>
 
-    <string name="label_send_success">Success!</string>
+    <string name="label_send_success">Successfully sent</string>
     <string name="label_send_done">Done</string>
 
     <string name="label_receive_info_gen_qr_code">Touch for QR Code</string>
     <string name="info_send_prio_fees">Higher Priority = Higher Fees</string>
 
+    <string name="info_xmrto"><![CDATA[
+        <b>You entered a Bitcoin address.</b><br/>
+        <i>You&apos;ll send XMR and the receiver will get BTC using the <b>XMR.TO</b> service.</i>
+    ]]></string>
+
+    <string name="info_send_xmrto_success_order_label">XMR.TO Order</string>
+
+    <string name="info_send_xmrto_success_sending">Sending</string>
+    <string name="info_send_xmrto_success_status_label">Status:</string>
+    <string name="info_send_xmrto_success_btc">%1$s BTC</string>
+    <string name="info_send_xmrto_success_status">%1$s is %1$s (#%1$d)</string>
+
+    <string name="info_txdetails_xmrto_key">Key:</string>
+    <string name="info_txdetails_xmrto_address">Address:</string>
+    <string name="info_txdetails_xmrto_status">Status:</string>
+    <string name="info_txdetails_xmrto_amount">%1$s BTC</string>
+
+
+    <string name="info_send_xmrto_paid">Confirmation Pending</string>
+    <string name="info_send_xmrto_unpaid">Payment Pending</string>
+    <string name="info_send_xmrto_error">XMR.TO Error (%1$s)</string>
+    <string name="info_send_xmrto_sent">BTC Sent!</string>
+    <string name="info_send_xmrto_query">Querying &#8230;</string>
+
+    <string name="info_send_xmrto_parms"><![CDATA[
+        <b>You can send %1$s &#8212; %2$s BTC</b>.<br/>
+        <i><b>XMR.TO</b> is giving you an exchange rate of <b>%3$s BTC</b> <u>right now</u></i>.
+    ]]></string>
+    <string name="info_send_xmrto_zeroconf"><![CDATA[
+        <i>Amounts up to <b>%1$s BTC</b> will be sent <u>instantly</u>!</i>
+    ]]></string>
+
+    <string name="send_available_btc">Balance: %2$s BTC (%1$s XMR)</string>
+
     <string name="info_paymentid_intergrated">Payment ID integrated</string>
     <string name="info_prepare_tx">Preparing your transaction</string>
 
-    <string name="message_copy_txid">Transaction ID copied to clipboard!</string>
+    <string name="label_send_progress_xmrto_create">Creating XMR.TO Order</string>
+    <string name="label_send_progress_xmrto_query">Querying XMR.TO Order</string>
+    <string name="label_send_progress_create_tx">Preparing Monero Transaction</string>
+
+    <string name="label_send_progress_queryparms">Querying xmr.to parameters</string>
+
+    <string name="label_generic_xmrto_error">XMR.TO ERROR</string>
+    <string name="text_generic_xmrto_error">Code: %1$d</string>
+
+    <string name="text_retry">Touch to retry</string>
+    <string name="text_noretry_monero">Now we\'re stuck here!</string>
+    <string name="text_noretry">Uh-oh, XMR.TO does not seem be available right now!</string>
+
+    <string name="text_send_btc_amount">%1$s BTC = %2$s XMR</string>
+    <string name="text_send_btc_rate">(Rate: %1$s BTC/XMR)</string>
+
+    <string name="label_send_btc_details">Click for more details</string>
+    <string name="label_send_btc_xmrto_info">Visit xmr.to for support &amp; tracking</string>
+    <string name="label_send_txinfo">See TX details for more details</string>
+    <string name="label_send_btc_xmrto_key_lb">Secret Key\nXMR.TO</string>
+    <string name="label_send_btc_xmrto_key">XMR.TO Secret Key</string>
+    <string name="label_send_btc_address">Destination BTC Address</string>
+    <string name="label_send_btc_amount">Amount</string>
+    <string name="label_send_btc_create_order">Creating XMR.TO Order</string>
+
+    <string name="label_send_btc_retry">Touch to retry</string>
 
     <string name="label_send_txid">Transaction ID</string>
     <string name="label_send_address">Destination Address</string>
@@ -74,6 +133,8 @@
     <string name="status_transaction_failed">Transaction failed: %1$s</string>
     <string name="status_transaction_prepare_failed">Could not create transaction!</string>
 
+    <string name="send_xmrto_timeout">Dude, you waited too long!</string>
+
     <string name="service_busy">I am still busy with your last wallet &#8230;</string>
 
     <string name="prompt_rename">Rename %1$s</string>
@@ -96,8 +157,7 @@
     <string name="title_amount">Amount</string>
     <string name="title_date">Date</string>
     <string name="xmr_unconfirmed_amount">+ %1$s XMR unconfirmed</string>
-    <!--string name="xmr_balance">%1$s XMR</string-->
-    <string name="xmr">XMR</string>
+    <string name="xmr" translatable="false">XMR</string>
     <string name="label_transactions">Transactions</string>
     <string name="text_daemonConnected">Daemon connected!</string>
 
@@ -119,8 +179,11 @@
 
     <string name="label_copy_viewkey">View Key</string>
     <string name="label_copy_address">Public Address</string>
+    <string name="label_copy_xmrtokey">XMR.TO Key</string>
     <string name="message_copy_viewkey">View Key copied to clipboard!</string>
+    <string name="message_copy_xmrtokey">XMR.TO Key copied to clipboard!</string>
     <string name="message_copy_address">Wallet Address copied to clipboard!</string>
+    <string name="message_copy_txid">Transaction ID copied to clipboard!</string>
     <string name="message_noselect_seed">Selecting seed disabled for security reasons!</string>
     <string name="message_noselect_key">Selecting spend key disabled for security reasons!</string>
     <string name="message_nocopy">Copy disabled for security reasons!</string>
@@ -171,11 +234,11 @@
     <string name="generate_mnemonic_label">Mnemonic Seed</string>
     <string name="generate_restoreheight_label">Restore Height:</string>
 
-    <!--string name="generate_check_keys">Check your keys!</string-->
     <string name="generate_check_key">Enter valid Key</string>
     <string name="generate_check_address">Enter valid Address</string>
     <string name="generate_check_mnemonic">Enter your 25 word seed</string>
-    <!--string name="generate_check_something">Check your entry!</string-->
+
+    <string name="send_amount_btc_xmr">%1$s (indicative)</string>
 
     <string name="send_address_hint">Receiver\'s Address</string>
     <string name="send_paymentid_hint">Payment ID (optional)</string>
@@ -188,13 +251,15 @@
     <string name="send_qr_hint">Scan</string>
     <string name="send_prepare_hint">Prepare</string>
     <string name="send_dispose_hint">Dispose (Undo)</string>
-    <string name="send_send_hint">Spend my sweet Moneroj</string>
+    <string name="send_send_label">Spend my sweet Moneroj</string>
+    <string name="send_send_timed_label">Spend my sweet Moneroj (%1$s)</string>
     <string name="send_really_send_hint">Last Step - Confirm!</string>
-    <string name="send_qr_invalid">Not a monero QR Code</string>
-    <string name="send_qr_address_invalid">Invalid Monero address</string>
+    <string name="send_qr_invalid">Not a QR Code</string>
+    <string name="send_qr_address_invalid">Not a valid payment QR code</string>
+    <string name="send_address_invalid">Not a valid address</string>
     <string name="send_preparing_progress">Preparing transaction</string>
     <string name="send_title">Send</string>
-    <string name="send_available">Available funds: %1$s XMR</string>
+    <string name="send_available">Balance: %1$s XMR</string>
     <string name="send_address_title">Address</string>
     <string name="send_amount_title">Amount</string>
     <string name="send_settings_title">Settings</string>
@@ -204,10 +269,15 @@
     <string name="send_amount_too_large">Amount > Funds</string>
 
     <string name="send_amount_label">Amount</string>
+    <string name="send_fee_btc_label">Fee (XMR)</string>
     <string name="send_fee_label">Fee</string>
     <string name="send_dust_label">Dust</string>
+    <string name="send_total_btc_label">Total (XMR)</string>
     <string name="send_total_label">Total</string>
 
+    <string name="send_amount">%1$s XMR</string>
+    <string name="send_fee">+%1$s Fee</string>
+
     <string name="send_create_tx_error_title">Create Transaction Error</string>
 
     <string name="tx_list_fee_pending">incl. %1$s fee</string>
@@ -217,14 +287,18 @@
     <string name="tx_list_amount_negative">- %1$s</string>
     <string name="tx_list_amount_positive">+ %1$s</string>
 
+    <string name="tx_status_btc">Status</string>
     <string name="tx_address">Address</string>
     <string name="tx_timestamp">Timestamp</string>
     <string name="tx_id">TX ID</string>
+    <string name="tx_id_btc">TX ID\n(BTC)</string>
     <string name="tx_key">TX Key</string>
     <string name="tx_destination">Destination</string>
+    <string name="tx_destination_btc">Destination\n(BTC)</string>
     <string name="tx_paymentId">Payment ID</string>
     <string name="tx_blockheight">Block</string>
     <string name="tx_amount">Amount</string>
+    <string name="tx_amount_btc">Amount\n(BTC)</string>
     <string name="tx_fee">Fee</string>
     <string name="tx_transfers">Transfers</string>
     <string name="tx_notes">Notes</string>
@@ -248,6 +322,7 @@
     <string name="receive_cannot_open">Could not open wallet!</string>
     <string name="receive_paymentid_invalid">16 or 64 Hex characters (0-9,a-f)</string>
     <string name="receive_integrated_paymentid_invalid">Must be empty with integrated address</string>
+    <string name="receive_bitcoin_paymentid_invalid">Must be empty with bitcoin address</string>
     <string name="receive_amount_invalid">Must be > 0</string>
 
     <string name="receive_amount_empty">Enter value</string>
@@ -266,9 +341,9 @@
     <string name="archive_alert_yes">Yes, do that!</string>
     <string name="archive_alert_no">No thanks!</string>
 
-    <string name="big_amount">999999.999999999999</string>
+    <string name="big_amount" translatable="false">999999.999999999999</string>
 
-    <string-array name="mixin">
+    <string-array name="mixin" translatable="false">
         <item>Ringsize 5</item>
         <item>Ringsize 8</item>
         <item>Ringsize 13</item>
@@ -282,7 +357,7 @@
         <item>Priority High</item>
     </string-array>
 
-    <string-array name="currency">
+    <string-array name="currency" translatable="false">
         <item>XMR</item>
         <item>EUR</item>
         <item>USD</item>

app/src/main/res/values/styles.xml

@@ -82,9 +82,7 @@
     </style>
 
     <style name="MoneroText.Balance.Orange">
-        <item name="android:textSize">32sp</item>
         <item name="android:textColor">@color/gradientOrange</item>
-        <item name="android:textStyle">bold</item>
     </style>
 
     <style name="MoneroText.Unconfirmed">
@@ -119,7 +117,7 @@
 
     <!-- textSize is in dp here to match the layout of the numpad-->
     <style name="MoneroLabel.NumPad">
-        <item name="android:textSize">36dp</item>
+        <item name="android:textSize">36sp</item>
         <item name="android:textColor">@color/moneroBlack</item>
     </style>
 
@@ -175,15 +173,15 @@
     </style>
 
     <style name="MoneroText.Label">
-        <item name="android:textSize">18dp</item>
+        <item name="android:textSize">18sp</item>
     </style>
 
     <style name="MoneroText.Confirm">
-        <item name="android:textSize">16dp</item>
+        <item name="android:textSize">16sp</item>
     </style>
 
     <style name="MoneroText.Confirm.Label">
-        <item name="android:textSize">16dp</item>
+        <item name="android:textSize">16sp</item>
         <item name="android:textStyle">bold</item>
     </style>
 
@@ -193,15 +191,15 @@
     </style>
 
     <style name="MoneroText.Label.Medium">
-        <item name="android:textSize">14dp</item>
+        <item name="android:textSize">14sp</item>
     </style>
 
     <style name="MoneroText.Small">
-        <item name="android:textSize">10dp</item>
+        <item name="android:textSize">10sp</item>
     </style>
 
     <style name="MoneroText.Medium">
-        <item name="android:textSize">12dp</item>
+        <item name="android:textSize">12sp</item>
     </style>
 
     <style name="MoneroText.Medium.Bold">
@@ -209,13 +207,19 @@
     </style>
 
     <style name="MoneroText.Large">
-        <item name="android:textSize">24dp</item>
+        <item name="android:textSize">24sp</item>
     </style>
 
 
-    <style name="MoneroText.Sucess">
-        <item name="android:textSize">40dp</item>
-        <item name="android:textColor">@color/gradientOrange</item>
+    <style name="MoneroText.Success">
+        <item name="android:textSize">18sp</item>
+        <item name="android:textColor">@color/dotGray</item>
+        <item name="android:textAllCaps">true</item>
+        <item name="android:textStyle">bold</item>
+    </style>
+
+    <style name="MoneroText.Gray.SuccessFee">
+        <item name="android:textSize">18sp</item>
     </style>
 
     <style name="MoneroText.Button" parent="@android:style/TextAppearance.DeviceDefault.Medium">

app/src/test/java/com/m2049r/xmrwallet/util/BitcoinAddressValidatorTest.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.util;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+
+public class BitcoinAddressValidatorTest {
+
+    @Test
+    public void validateBTC_shouldValidate() {
+        assertTrue(BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i", false));
+        assertTrue(BitcoinAddressValidator.validate("1Q1pE5vPGEEMqRcVRMbtBK842Y6Pzo6nK9", false));
+        assertTrue(BitcoinAddressValidator.validate("3R2MPpTNQLCNs13qnHz89Rm82jQ27bAwft", false));
+        assertTrue(BitcoinAddressValidator.validate("34QjytsE8GVRbUBvYNheftqJ5CHfDHvQRD", false));
+        assertTrue(BitcoinAddressValidator.validate("3GsAUrD4dnCqtaTTUzzsQWoymHNkEFrgGF", false));
+        assertTrue(BitcoinAddressValidator.validate("3NagLCvw8fLwtoUrK7s2mJPy9k6hoyWvTU", false));
+        assertTrue(BitcoinAddressValidator.validate("mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9", true));
+    }
+
+    @Test
+    public void validateBTC_shouldNotValidate() {
+        assertTrue(BitcoinAddressValidator.validate("3NagLCvw8fLwtoUrK7s2mJPy9k6hoyWvTU", false));
+        assertTrue(BitcoinAddressValidator.validate("mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9", true));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62j", true));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62X", true));
+        assertTrue(!BitcoinAddressValidator.validate("1ANNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i", true));
+        assertTrue(!BitcoinAddressValidator.validate("1A Na15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i", true));
+        assertTrue(!BitcoinAddressValidator.validate("BZbvjr", true));
+        assertTrue(!BitcoinAddressValidator.validate("i55j", true));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62!", true));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62iz", false));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62izz", false));
+        assertTrue(!BitcoinAddressValidator.validate("1Q1pE5vPGEEMqRcVRMbtBK842Y6Pzo6nJ9", false));
+        assertTrue(!BitcoinAddressValidator.validate("1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62I", false));
+        assertTrue(!BitcoinAddressValidator.validate("3NagLCvw8fLwtoUrK7s2mJPy9k6hoyWvTU ", false));
+        assertTrue(!BitcoinAddressValidator.validate(" 3NagLCvw8fLwtoUrK7s2mJPy9k6hoyWvTU ", false));
+    }
+}

app/src/test/java/com/m2049r/xmrwallet/util/UserNoteTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2017 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.util;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+public class UserNoteTest {
+
+    @Test
+    public void createFromTxNote_noNote() {
+        UserNotes userNotes = new UserNotes("{xmrto-iyrpxU,0.009BTC,mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9}");
+        assertTrue("xmrto-iyrpxU".equals(userNotes.xmrtoKey));
+        assertTrue("0.009".equals(userNotes.xmrtoAmount));
+        assertTrue("mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9".equals(userNotes.xmrtoDestination));
+        assertTrue(userNotes.note.isEmpty());
+    }
+
+    @Test
+    public void createFromTxNote_withNote() {
+        UserNotes userNotes = new UserNotes("{xmrto-iyrpxU,0.009BTC,mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9} aNote");
+        assertTrue("xmrto-iyrpxU".equals(userNotes.xmrtoKey));
+        assertTrue("0.009".equals(userNotes.xmrtoAmount));
+        assertTrue("mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9".equals(userNotes.xmrtoDestination));
+        assertTrue("aNote".equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_withNoteNoSpace() {
+        UserNotes userNotes = new UserNotes("{xmrto-iyrpxU,0.009BTC,mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9}aNote");
+        assertTrue("xmrto-iyrpxU".equals(userNotes.xmrtoKey));
+        assertTrue("0.009".equals(userNotes.xmrtoAmount));
+        assertTrue("mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9".equals(userNotes.xmrtoDestination));
+        assertTrue("aNote".equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_brokenA() {
+        String brokenNote = "{mrto-iyrpxU,0.009BTC,mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9}";
+        UserNotes userNotes = new UserNotes(brokenNote);
+        assertNull(userNotes.xmrtoKey);
+        assertNull(userNotes.xmrtoAmount);
+        assertNull(userNotes.xmrtoDestination);
+        assertTrue(brokenNote.equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_brokenB() {
+        String brokenNote = "{xmrto-iyrpxU,0.009BTC,mjn127C5wRQCULksMYMFHLp9UTdQuCfbZ9";
+        UserNotes userNotes = new UserNotes(brokenNote);
+        assertNull(userNotes.xmrtoKey);
+        assertNull(userNotes.xmrtoAmount);
+        assertNull(userNotes.xmrtoDestination);
+        assertTrue(brokenNote.equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_normal() {
+        String aNote = "aNote";
+        UserNotes userNotes = new UserNotes(aNote);
+        assertNull(userNotes.xmrtoKey);
+        assertNull(userNotes.xmrtoAmount);
+        assertNull(userNotes.xmrtoDestination);
+        assertTrue(aNote.equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_empty() {
+        String aNote = "";
+        UserNotes userNotes = new UserNotes(aNote);
+        assertNull(userNotes.xmrtoKey);
+        assertNull(userNotes.xmrtoAmount);
+        assertNull(userNotes.xmrtoDestination);
+        assertTrue(aNote.equals(userNotes.note));
+    }
+
+    @Test
+    public void createFromTxNote_null() {
+        UserNotes userNotes = new UserNotes(null);
+        assertNull(userNotes.xmrtoKey);
+        assertNull(userNotes.xmrtoAmount);
+        assertNull(userNotes.xmrtoDestination);
+        assertNotNull(userNotes.note);
+        assertTrue(userNotes.note.isEmpty());
+    }
+}

app/src/test/java/com/m2049r/xmrwallet/xmrto/network/XmrToApiCreateOrderTest.java

@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.CreateOrder;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+
+import net.jodah.concurrentunit.Waiter;
+
+import org.json.JSONException;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.concurrent.TimeoutException;
+
+import okhttp3.OkHttpClient;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+
+import static org.junit.Assert.assertEquals;
+
+public class XmrToApiCreateOrderTest {
+
+    private MockWebServer mockWebServer;
+
+    private XmrToApi xmrToApi;
+
+    private OkHttpClient okHttpClient = new OkHttpClient();
+    private Waiter waiter;
+
+    @Mock
+    XmrToCallback<CreateOrder> mockOrderXmrToCallback;
+
+    @Before
+    public void setUp() throws Exception {
+        mockWebServer = new MockWebServer();
+        mockWebServer.start();
+
+        waiter = new Waiter();
+
+        MockitoAnnotations.initMocks(this);
+
+        xmrToApi = new XmrToApiImpl(okHttpClient, mockWebServer.url("/"));
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        mockWebServer.shutdown();
+    }
+
+    @Test
+    public void createOrder_shouldBePostMethod()
+            throws InterruptedException, TimeoutException {
+
+        xmrToApi.createOrder(0.5, "btcsomething", mockOrderXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        assertEquals("POST", request.getMethod());
+    }
+
+    @Test
+    public void createOrder_shouldBeContentTypeJson()
+            throws InterruptedException, TimeoutException {
+
+        xmrToApi.createOrder(0.5, "19y91nJyzXsLEuR7Nj9pc3o5SeHNc8A9RW", mockOrderXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        assertEquals("application/json; charset=utf-8", request.getHeader("Content-Type"));
+    }
+
+    @Test
+    public void createOrder_shouldContainValidBody()
+            throws InterruptedException, TimeoutException {
+
+        final String validBody = "{\"btc_amount\":0.1,\"btc_dest_address\":\"19y91nJyzXsLEuR7Nj9pc3o5SeHNc8A9RW\"}";
+
+        xmrToApi.createOrder(0.1, "19y91nJyzXsLEuR7Nj9pc3o5SeHNc8A9RW", mockOrderXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        String body = request.getBody().readUtf8();
+        assertEquals(validBody, body);
+    }
+
+    @Test
+    public void createOrder_wasSuccessfulShouldRespondWithOrder()
+            throws InterruptedException, JSONException, TimeoutException {
+        final double amount = 1.23456789;
+        final String address = "19y91nJyzXsLEuR7Nj9pc3o5SeHNc8A9RW";
+        final String uuid = "xmrto-abcdef";
+        final String state = "TO_BE_CREATED";
+        MockResponse jsonMockResponse = new MockResponse().setBody(
+                createMockCreateOrderResponse(amount, address, uuid, state));
+        mockWebServer.enqueue(jsonMockResponse);
+
+        xmrToApi.createOrder(amount, address, new XmrToCallback<CreateOrder>() {
+            @Override
+            public void onSuccess(final CreateOrder order) {
+                waiter.assertEquals(order.getBtcAmount(), amount);
+                waiter.assertEquals(order.getBtcDestAddress(), address);
+                waiter.assertEquals(order.getState(), state);
+                waiter.assertEquals(order.getUuid(), uuid);
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.fail(e);
+                waiter.resume();
+            }
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void createOrder_wasNotSuccessfulShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().setResponseCode(500));
+        xmrToApi.createOrder(0.5, "19y91nJyzXsLEuR7Nj9pc3o5SeHNc8A9RW", new XmrToCallback<CreateOrder>() {
+            @Override
+            public void onSuccess(final CreateOrder order) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                waiter.assertTrue(((XmrToException) e).getCode() == 500);
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void createOrder_malformedAddressShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().
+                setResponseCode(400).
+                setBody("{\"error_msg\":\"malformed bitcoin address\",\"error\":\"XMRTO-ERROR-002\"}"));
+        xmrToApi.createOrder(0.5, "xxx", new XmrToCallback<CreateOrder>() {
+            @Override
+            public void onSuccess(final CreateOrder order) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                XmrToException xmrEx = (XmrToException) e;
+                waiter.assertTrue(xmrEx.getCode() == 400);
+                waiter.assertNotNull(xmrEx.getError());
+                waiter.assertEquals(xmrEx.getError().getErrorId(), XmrToError.Error.XMRTO_ERROR_002);
+                waiter.assertEquals(xmrEx.getError().getErrorMsg(), "malformed bitcoin address");
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    private String createMockCreateOrderResponse(final double amount, final String address,
+                                                 final String uuid, final String state) {
+        return "{\n"
+                + "    \"state\": \"" + state + "\",\n"
+                + "    \"btc_amount\": \"" + amount + "\",\n"
+                + "    \"btc_dest_address\": \"" + address + "\",\n"
+                + "    \"uuid\": \"" + uuid + "\"\n"
+                + "}";
+    }
+}

app/src/test/java/com/m2049r/xmrwallet/xmrto/network/XmrToApiOrderParameterTest.java

@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderParameters;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+
+import net.jodah.concurrentunit.Waiter;
+
+import org.json.JSONException;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.concurrent.TimeoutException;
+
+import okhttp3.OkHttpClient;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+
+import static org.junit.Assert.assertEquals;
+
+public class XmrToApiOrderParameterTest {
+
+    private MockWebServer mockWebServer;
+
+    private XmrToApi xmrToApi;
+
+    private OkHttpClient okHttpClient = new OkHttpClient();
+    private Waiter waiter;
+
+    @Mock
+    XmrToCallback<QueryOrderParameters> mockParametersXmrToCallback;
+
+    @Before
+    public void setUp() throws Exception {
+        mockWebServer = new MockWebServer();
+        mockWebServer.start();
+
+        waiter = new Waiter();
+
+        MockitoAnnotations.initMocks(this);
+
+        xmrToApi = new XmrToApiImpl(okHttpClient, mockWebServer.url("/"));
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        mockWebServer.shutdown();
+    }
+
+    @Test
+    public void orderParameter_shouldBeGetMethod()
+            throws InterruptedException, TimeoutException {
+
+        xmrToApi.queryOrderParameters(mockParametersXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        assertEquals("GET", request.getMethod());
+    }
+
+    @Test
+    public void orderParameter_wasSuccessfulShouldRespondWithParameters()
+            throws InterruptedException, JSONException, TimeoutException {
+        final boolean isZeroConfEnabled = true;
+        final double price = 0.015537;
+        final double upperLimit = 20.0;
+        final double lowerLimit = 0.001;
+        final double zeroConfMaxAmount = 0.1;
+
+        MockResponse jsonMockResponse = new MockResponse().setBody(
+                createMockOrderParameterResponse(isZeroConfEnabled, price, upperLimit, lowerLimit, zeroConfMaxAmount));
+        mockWebServer.enqueue(jsonMockResponse);
+
+        xmrToApi.queryOrderParameters(new XmrToCallback<QueryOrderParameters>() {
+            @Override
+            public void onSuccess(final QueryOrderParameters orderParameter) {
+                waiter.assertEquals(orderParameter.getLowerLimit(), lowerLimit);
+                waiter.assertEquals(orderParameter.getUpperLimit(), upperLimit);
+                waiter.assertEquals(orderParameter.getPrice(), price);
+                waiter.assertEquals(orderParameter.getZeroConfMaxAmount(), zeroConfMaxAmount);
+                waiter.assertEquals(orderParameter.isZeroConfEnabled(), isZeroConfEnabled);
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.fail(e);
+                waiter.resume();
+            }
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void orderParameter_wasNotSuccessfulShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().setResponseCode(500));
+        xmrToApi.queryOrderParameters(new XmrToCallback<QueryOrderParameters>() {
+            @Override
+            public void onSuccess(final QueryOrderParameters orderParameter) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                waiter.assertTrue(((XmrToException) e).getCode() == 500);
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void orderParameter_thirdPartyServiceNotAvailableShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().
+                setResponseCode(503).
+                setBody("{\"error_msg\":\"third party service not available\",\"error\":\"XMRTO-ERROR-007\"}"));
+        xmrToApi.queryOrderParameters(new XmrToCallback<QueryOrderParameters>() {
+            @Override
+            public void onSuccess(final QueryOrderParameters orderParameter) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                XmrToException xmrEx = (XmrToException) e;
+                waiter.assertTrue(xmrEx.getCode() == 503);
+                waiter.assertNotNull(xmrEx.getError());
+                waiter.assertEquals(xmrEx.getError().getErrorId(), XmrToError.Error.XMRTO_ERROR_007);
+                waiter.assertEquals(xmrEx.getError().getErrorMsg(), "third party service not available");
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    private String createMockOrderParameterResponse(
+            final boolean isZeroConfEnabled,
+            final double price,
+            final double upperLimit,
+            final double lowerLimit,
+            final double zeroConfMaxAmount) {
+        return "{\n"
+                + "    \"zero_conf_enabled\": \"" + isZeroConfEnabled + "\",\n"
+                + "    \"price\": \"" + price + "\",\n"
+                + "    \"upper_limit\": \"" + upperLimit + "\",\n"
+                + "    \"lower_limit\": \"" + lowerLimit + "\",\n"
+                + "    \"zero_conf_max_amount\": \"" + zeroConfMaxAmount + "\"\n"
+                + "}";
+    }
+}

app/src/test/java/com/m2049r/xmrwallet/xmrto/network/XmrToApiQueryOrderTest.java

@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) 2017 m2049r et al.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.xmrto.network;
+
+import com.m2049r.xmrwallet.xmrto.api.XmrToCallback;
+import com.m2049r.xmrwallet.xmrto.XmrToError;
+import com.m2049r.xmrwallet.xmrto.XmrToException;
+import com.m2049r.xmrwallet.xmrto.api.QueryOrderStatus;
+import com.m2049r.xmrwallet.xmrto.api.XmrToApi;
+
+import net.jodah.concurrentunit.Waiter;
+
+import org.json.JSONException;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.concurrent.TimeoutException;
+
+import okhttp3.OkHttpClient;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+
+import static org.junit.Assert.assertEquals;
+
+public class XmrToApiQueryOrderTest {
+
+    static final SimpleDateFormat DATETIME_FORMATTER = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
+
+    static Date ParseDate(String dateString) throws ParseException {
+        return DATETIME_FORMATTER.parse(dateString.replaceAll("Z$", "+0000"));
+    }
+
+
+    private MockWebServer mockWebServer;
+
+    private XmrToApi xmrToApi;
+
+    private OkHttpClient okHttpClient = new OkHttpClient();
+    private Waiter waiter;
+
+    @Mock
+    XmrToCallback<QueryOrderStatus> mockQueryXmrToCallback;
+
+    @Before
+    public void setUp() throws Exception {
+        mockWebServer = new MockWebServer();
+        mockWebServer.start();
+
+        waiter = new Waiter();
+
+        MockitoAnnotations.initMocks(this);
+
+        xmrToApi = new XmrToApiImpl(okHttpClient, mockWebServer.url("/"));
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        mockWebServer.shutdown();
+    }
+
+    @Test
+    public void orderStatus_shouldBePostMethod()
+            throws InterruptedException, TimeoutException {
+
+        xmrToApi.queryOrderStatus("xmrto - efMsiU", mockQueryXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        assertEquals("POST", request.getMethod());
+    }
+
+    @Test
+    public void orderStatus_shouldBeContentTypeJson()
+            throws InterruptedException, TimeoutException {
+
+        xmrToApi.queryOrderStatus("xmrto - efMsiU", mockQueryXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        assertEquals("application/json; charset=utf-8", request.getHeader("Content-Type"));
+    }
+
+    @Test
+    public void orderStatus_shouldContainValidBody()
+            throws InterruptedException, TimeoutException {
+
+        final String validBody = "{\"uuid\":\"xmrto - efMsiU\"}";
+
+        xmrToApi.queryOrderStatus("xmrto - efMsiU", mockQueryXmrToCallback);
+
+        RecordedRequest request = mockWebServer.takeRequest();
+        String body = request.getBody().readUtf8();
+        assertEquals(validBody, body);
+    }
+
+    @Test
+    public void orderStatus_wasSuccessfulShouldRespondWithOrder()
+            throws InterruptedException, JSONException, TimeoutException {
+
+//TODO: state enum
+// TODO dates are dates
+        final String state = "UNPAID";
+        final double btcAmount = 0.1;
+        final String btcDestAddress = "1FhnVJi2V1k4MqXm2nHoEbY5LV7FPai7bb";
+        final String uuid = "xmrto - efMsiU";
+        final int btcNumConfirmations = 0;
+        final int btcNumConfirmationsBeforePurge = 144;
+        final String btcTransactionId = "";
+        final String createdAt = "2017-11-17T12:20:02Z";
+        final String expiresAt = "2017-11-17T12:35:02Z";
+        final int secondsTillTimeout = 882;
+        final double xmrAmountTotal = 6.464;
+        final double xmrAmountRemaining = 6.464;
+        final int xmrNumConfirmationsRemaining = -1;
+        final double xmrPriceBtc = 0.0154703;
+        final String xmrReceivingAddress = "44TVPcCSHebEQp4LnapPkhb2pondb2Ed7GJJLc6TkKwtSyumUnQ6QzkCCkojZycH2MRfLcujCM7QR1gdnRULRraV4UpB5n4";
+        final String xmrReceivingIntegratedAddress = "4EAAQR1vtv7EQp4LnapPkhb2pondb2Ed7GJJLc6TkKwtSyumUnQ6QzkCCkojZycH2MRfLcujCM7QR1gdnRULRraV6B5rRtHLeXGQSECXy9";
+        final int xmrRecommendedMixin = 5;
+        final double xmrRequiredAmount = 6.464;
+        final String xmrRequiredPaymentIdLong = "56beabc3ca6d52a78c9a44cefebeb870054d8b367cc7065bff1bdb553caca85c";
+        final String xmrRequiredPaymentIdShort = "eeb6086436b267cf";
+
+        MockResponse jsonMockResponse = new MockResponse().setBody(
+                createMockQueryOrderResponse(
+                        state,
+                        btcAmount,
+                        btcDestAddress,
+                        uuid,
+                        btcNumConfirmations,
+                        btcNumConfirmationsBeforePurge,
+                        btcTransactionId,
+                        createdAt,
+                        expiresAt,
+                        secondsTillTimeout,
+                        xmrAmountTotal,
+                        xmrAmountRemaining,
+                        xmrNumConfirmationsRemaining,
+                        xmrPriceBtc,
+                        xmrReceivingAddress,
+                        xmrReceivingIntegratedAddress,
+                        xmrRecommendedMixin,
+                        xmrRequiredAmount,
+                        xmrRequiredPaymentIdLong,
+                        xmrRequiredPaymentIdShort));
+        mockWebServer.enqueue(jsonMockResponse);
+
+        xmrToApi.queryOrderStatus(uuid, new XmrToCallback<QueryOrderStatus>() {
+            @Override
+            public void onSuccess(final QueryOrderStatus orderStatus) {
+                waiter.assertEquals(orderStatus.getState().toString(), state);
+                waiter.assertEquals(orderStatus.getBtcAmount(), btcAmount);
+                waiter.assertEquals(orderStatus.getBtcDestAddress(), btcDestAddress);
+                waiter.assertEquals(orderStatus.getUuid(), uuid);
+                waiter.assertEquals(orderStatus.getBtcNumConfirmations(), btcNumConfirmations);
+                waiter.assertEquals(orderStatus.getBtcNumConfirmationsBeforePurge(), btcNumConfirmationsBeforePurge);
+                waiter.assertEquals(orderStatus.getBtcTransactionId(), btcTransactionId);
+                try {
+                    waiter.assertEquals(orderStatus.getCreatedAt(), ParseDate(createdAt));
+                    waiter.assertEquals(orderStatus.getExpiresAt(), ParseDate(expiresAt));
+                } catch (ParseException ex) {
+                    waiter.fail(ex);
+                }
+                waiter.assertEquals(orderStatus.getSecondsTillTimeout(), secondsTillTimeout);
+                waiter.assertEquals(orderStatus.getXmrAmountTotal(), xmrAmountTotal);
+                waiter.assertEquals(orderStatus.getXmrAmountRemaining(), xmrAmountRemaining);
+                waiter.assertEquals(orderStatus.getXmrNumConfirmationsRemaining(), xmrNumConfirmationsRemaining);
+                waiter.assertEquals(orderStatus.getXmrPriceBtc(), xmrPriceBtc);
+                waiter.assertEquals(orderStatus.getXmrReceivingAddress(), xmrReceivingAddress);
+                waiter.assertEquals(orderStatus.getXmrReceivingIntegratedAddress(), xmrReceivingIntegratedAddress);
+                waiter.assertEquals(orderStatus.getXmrRecommendedMixin(), xmrRecommendedMixin);
+                waiter.assertEquals(orderStatus.getXmrRequiredAmount(), xmrRequiredAmount);
+                waiter.assertEquals(orderStatus.getXmrRequiredPaymentIdLong(), xmrRequiredPaymentIdLong);
+                waiter.assertEquals(orderStatus.getXmrRequiredPaymentIdShort(), xmrRequiredPaymentIdShort);
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.fail(e);
+                waiter.resume();
+            }
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void orderStatus_wasNotSuccessfulShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().setResponseCode(500));
+        xmrToApi.queryOrderStatus("xmrto - efMsiU", new XmrToCallback<QueryOrderStatus>() {
+            @Override
+            public void onSuccess(final QueryOrderStatus orderStatus) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                waiter.assertTrue(((XmrToException) e).getCode() == 500);
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    @Test
+    public void orderStatus_orderNotFoundShouldCallOnError()
+            throws InterruptedException, JSONException, TimeoutException {
+        mockWebServer.enqueue(new MockResponse().
+                setResponseCode(404).
+                setBody("{\"error_msg\":\"requested order not found\",\"error\":\"XMRTO-ERROR-006\"}"));
+        xmrToApi.queryOrderStatus("xmrto - efMsiU", new XmrToCallback<QueryOrderStatus>() {
+            @Override
+            public void onSuccess(final QueryOrderStatus orderStatus) {
+                waiter.fail();
+                waiter.resume();
+            }
+
+            @Override
+            public void onError(final Exception e) {
+                waiter.assertTrue(e instanceof XmrToException);
+                XmrToException xmrEx = (XmrToException) e;
+                waiter.assertTrue(xmrEx.getCode() == 404);
+                waiter.assertNotNull(xmrEx.getError());
+                waiter.assertEquals(xmrEx.getError().getErrorId(), XmrToError.Error.XMRTO_ERROR_006);
+                waiter.assertEquals(xmrEx.getError().getErrorMsg(), "requested order not found");
+                waiter.resume();
+            }
+
+        });
+        waiter.await();
+    }
+
+    private String createMockQueryOrderResponse(
+            final String state,
+            final double btcAmount,
+            final String btcDestAddress,
+            final String uuid,
+            final int btcNumConfirmations,
+            final int btcNumConfirmationsBeforePurge,
+            final String btcTransactionId,
+            final String createdAt,
+            final String expiresAt,
+            final int secondsTillTimeout,
+            final double xmrAmountTotal,
+            final double xmrAmountRemaining,
+            final int xmrNumConfirmationsRemaining,
+            final double xmrPriceBtc,
+            final String xmrReceivingAddress,
+            final String xmrReceivingIntegratedAddress,
+            final int xmrRecommendedMixin,
+            final double xmrRequiredAmount,
+            final String xmrRequiredPaymentIdLong,
+            final String xmrRequiredPaymentIdShort
+    ) {
+        return "{\n" +
+                "    \"xmr_price_btc\": \"" + xmrPriceBtc + "\",\n" +
+                "    \"uuid\":\"" + uuid + "\",\n" +
+                "    \"state\":\"" + state + "\",\n" +
+                "    \"btc_amount\":\"" + btcAmount + "\",\n" +
+                "    \"btc_dest_address\":\"" + btcDestAddress + "\",\n" +
+                "    \"xmr_required_amount\":\"" + xmrRequiredAmount + "\",\n" +
+                "    \"xmr_receiving_address\":\"" + xmrReceivingAddress + "\",\n" +
+                "    \"xmr_receiving_integrated_address\":\"" + xmrReceivingIntegratedAddress + "\",\n" +
+                "    \"xmr_required_payment_id_long\":\"" + xmrRequiredPaymentIdLong + "\",\n" +
+                "    \"xmr_required_payment_id_short\":\"" + xmrRequiredPaymentIdShort + "\",\n" +
+                "    \"created_at\":\"" + createdAt + "\",\n" +
+                "    \"expires_at\":\"" + expiresAt + "\",\n" +
+                "    \"seconds_till_timeout\":\"" + secondsTillTimeout + "\",\n" +
+                "    \"xmr_amount_total\":\"" + xmrAmountTotal + "\",\n" +
+                "    \"xmr_amount_remaining\":\"" + xmrAmountRemaining + "\",\n" +
+                "    \"xmr_num_confirmations_remaining\":\"" + xmrNumConfirmationsRemaining + "\",\n" +
+                "    \"xmr_recommended_mixin\":\"" + xmrRecommendedMixin + "\",\n" +
+                "    \"btc_num_confirmations_before_purge\":\"" + btcNumConfirmationsBeforePurge + "\",\n" +
+                "    \"btc_num_confirmations\":\"" + btcNumConfirmations + "\",\n" +
+                "    \"btc_transaction_id\":\"" + btcTransactionId + "\""
+                + "}";
+    }
+}