verify checksum from dependencies

app/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+apply plugin: 'witness'
 
 android {
     compileSdkVersion 25
@@ -35,11 +36,6 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
-
     compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.android.support:design:25.3.1'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
@@ -47,5 +43,29 @@ dependencies {
     compile 'com.android.support:recyclerview-v7:25.3.1'
     compile 'com.android.support:cardview-v7:25.3.1'
     compile 'me.dm7.barcodescanner:zxing:1.9.8'
-    testCompile 'junit:junit:4.12'
 }
+
+dependencyVerification {
+    verify = [
+            'com.android.support:design:a3e83064fe99d0a4369f9b46d8bfbe77d0c3022fffdee4be3ac3857b87cc89e3',
+            'com.android.support:appcompat-v7:ac1ebbc46589195dda3e0b1becfe410bafd75bdf3edd1cd9acf04850f3895830',
+            'com.android.support.constraint:constraint-layout:b0c688cc2b7172608f8153a689d746da40f71e52d7e2fe2bfd9df2f92db77085',
+            'com.android.support:transition:36c688825a8c0e6e879e18886de83dc90673322822d5b606ee302f70fb558e16',
+            'me.dm7.barcodescanner:zxing:d43973c9527c23fa8e6d338c6a2c458e373ce1ac6bcaa3bc41d11ae49116000d',
+            'me.dm7.barcodescanner:core:a5c8a704089b58029db166172ed8e55d756877d010a85a0b1c94fdc96ffb8f9a',
+            'com.android.support:support-v4:07d389154bcf73b47e514964df1578136b26cba78257b8a577a3ccb54beff0ae',
+            'com.android.support:recyclerview-v7:375974a8724e359d97d77fa8522c614f813a3ac4583c1807f154a3f9a054b0a1',
+            'com.android.support:cardview-v7:defc17032ffa600a82e1c7d96bb574aa5ed64e2b57e28414a245da7d6db0c666',
+            'com.android.support:animated-vector-drawable:4bc46edf1946b32d518b41416d1734e915e0cbb28021de3b340527419b070691',
+            'com.android.support:support-vector-drawable:13728f337f36d1c02d52198a6c20724edb447a0875454d829f95cb9eb4aa293b',
+            'com.android.support:support-fragment:541d6393c1e024453aca2a14f31bea0c7270ff4e2a02783f3528aa426367444d',
+            'com.android.support:support-media-compat:cbed07d07e0e84fdb4b75712f5fd946229a8af155933c9a92e41db64d00791e0',
+            'com.android.support:support-core-utils:32fac02eb2c20a77fa3e3bc3ede62392a19613f72b8f8e10f5dfa84bb4c89ea1',
+            'com.android.support:support-core-ui:6182278a6653e6c111c888963626cbb16f2d0022571cb239760475119e0b92a8',
+            'com.android.support:support-compat:e02d781268dc60aab6638d8dc20156ea11ca20b962d294b85e6f1e8418cabfa7',
+            'com.android.support:support-annotations:aedf76962584adfaed2bd3fcaa22406461c4310237fc27e301128edaa2dba2fa',
+            'com.android.support.constraint:constraint-layout-solver:8c62525a9bc5cff5633a96cb9b32fffeccaf41b8841aa87fc22607070dea9b8d',
+            'com.google.zxing:core:bba7724e02a997cec38213af77133ee8e24b0d5cf5fa7ecbc16a4fa93f11ee0d',
+    ]
+}
+

build.gradle

@@ -6,6 +6,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath files('external-libs/gradle-witness.jar')
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }