Increased service heartbeat timeout

sbapp/main.py

@@ -88,6 +88,8 @@ class SidebandApp(MDApp):
 
     PKGNAME  = "io.unsigned.sideband"
 
+    SERVICE_TIMEOUT = 15
+
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.title = "Sideband"
@@ -113,6 +115,7 @@ class SidebandApp(MDApp):
         self.hardware_serial_ready = False
 
         self.final_load_completed = False
+        self.service_last_available = 0
 
         Window.softinput_mode = "below_target"
         self.icon = self.sideband.asset_dir+"/icon.png"
@@ -134,6 +137,7 @@ class SidebandApp(MDApp):
     def update_init_status(self, dt):
         self.update_loading_text()
         if not RNS.vendor.platformutils.is_android() or self.sideband.service_available():
+            self.service_last_available = time.time()
             self.start_final()
             self.loading_updater.cancel()
 
@@ -529,7 +533,8 @@ class SidebandApp(MDApp):
 
     def jobs(self, delta_time):
         if self.final_load_completed:
-            if not self.sideband.service_available():
+            if RNS.vendor.platformutils.is_android() and not self.sideband.service_available():
+                if time.time() - self.service_last_available > SidebandApp.SERVICE_TIMEOUT:
                     if self.app_state == SidebandApp.ACTIVE:
                         info_text = "The Reticulum and LXMF service seem to have disappeared, and Sideband is no longer connected. This should not happen, and probably indicates a bug in the background service. Please restart Sideband to regain connectivity."
                         ok_button = MDRectangleFlatButton(text="OK",font_size=dp(18))
@@ -550,6 +555,9 @@ class SidebandApp(MDApp):
                     else:
                         self.quit_action()
 
+            else:
+                self.service_last_available = time.time()
+
 
         if self.root.ids.screen_manager.current == "messages_screen":
             self.messages_view.update()