Fix device transfer stall if screen is locked during transfer.

app/src/main/java/org/thoughtcrime/securesms/devicetransfer/DeviceTransferFragment.java

@@ -27,6 +27,8 @@ import org.thoughtcrime.securesms.R;
  */
 public abstract class DeviceTransferFragment extends LoggingFragment {
 
+  private static final String TRANSFER_FINISHED_KEY = "transfer_finished";
+
   private final OnBackPressed        onBackPressed        = new OnBackPressed();
   private final TransferModeListener transferModeListener = new TransferModeListener();
 
@@ -36,11 +38,34 @@ public abstract class DeviceTransferFragment extends LoggingFragment {
   protected View     progress;
   protected View     alert;
   protected TextView status;
+  protected boolean  transferFinished;
 
   public DeviceTransferFragment() {
     super(R.layout.device_transfer_fragment);
   }
 
+  @Override
+  public void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    if (savedInstanceState != null) {
+      transferFinished = savedInstanceState.getBoolean(TRANSFER_FINISHED_KEY);
+    }
+  }
+
+  @Override
+  public void onStart() {
+    super.onStart();
+    if (transferFinished) {
+      navigateToTransferComplete();
+    }
+  }
+
+  @Override
+  public void onSaveInstanceState(@NonNull Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putBoolean(TRANSFER_FINISHED_KEY, transferFinished);
+  }
+
   @Override
   public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
     title    = view.findViewById(R.id.device_transfer_fragment_title);
@@ -93,6 +118,8 @@ public abstract class DeviceTransferFragment extends LoggingFragment {
 
   protected abstract void navigateAwayFromTransfer();
 
+  protected abstract void navigateToTransferComplete();
+
   private class TransferModeListener {
     @Subscribe(sticky = true, threadMode = ThreadMode.MAIN)
     public void onEventMainThread(@NonNull TransferStatus event) {

app/src/main/java/org/thoughtcrime/securesms/devicetransfer/newdevice/NewDeviceTransferFragment.java

@@ -46,6 +46,11 @@ public final class NewDeviceTransferFragment extends DeviceTransferFragment {
                    .navigate(R.id.action_restart_to_welcomeFragment);
   }
 
+  @Override
+  protected void navigateToTransferComplete() {
+    NavHostFragment.findNavController(this).navigate(R.id.action_newDeviceTransfer_to_newDeviceTransferComplete);
+  }
+
   private class ServerTaskListener {
     @Subscribe(threadMode = ThreadMode.MAIN)
     public void onEventMainThread(@NonNull NewDeviceServerTask.Status event) {
@@ -54,8 +59,9 @@ public final class NewDeviceTransferFragment extends DeviceTransferFragment {
         case IN_PROGRESS:
           break;
         case SUCCESS:
+          transferFinished = true;
           DeviceToDeviceTransferService.stop(requireContext());
-          NavHostFragment.findNavController(NewDeviceTransferFragment.this).navigate(R.id.action_newDeviceTransfer_to_newDeviceTransferComplete);
+          navigateToTransferComplete();
           break;
         case FAILURE_VERSION_DOWNGRADE:
           abort(R.string.NewDeviceTransfer__cannot_transfer_from_a_newer_version_of_signal);

app/src/main/java/org/thoughtcrime/securesms/devicetransfer/olddevice/OldDeviceClientTask.java

@@ -13,6 +13,7 @@ import org.thoughtcrime.securesms.backup.FullBackupBase;
 import org.thoughtcrime.securesms.backup.FullBackupExporter;
 import org.thoughtcrime.securesms.crypto.AttachmentSecretProvider;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.net.DeviceTransferBlockingInterceptor;
 
 import java.io.IOException;
@@ -66,6 +67,7 @@ final class OldDeviceClientTask implements ClientTask {
 
   @Override
   public void success() {
+    SignalStore.misc().markOldDeviceTransferLocked();
     EventBus.getDefault().post(new Status(0, true));
   }
 

app/src/main/java/org/thoughtcrime/securesms/devicetransfer/olddevice/OldDeviceTransferFragment.java

@@ -5,7 +5,6 @@ import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 import androidx.navigation.fragment.NavHostFragment;
 
 import org.greenrobot.eventbus.EventBus;
@@ -15,7 +14,6 @@ import org.signal.devicetransfer.DeviceToDeviceTransferService;
 import org.signal.devicetransfer.TransferStatus;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.devicetransfer.DeviceTransferFragment;
-import org.thoughtcrime.securesms.keyvalue.SignalStore;
 
 /**
  * Shows transfer progress on the old device. Most logic is in {@link DeviceTransferFragment}
@@ -48,14 +46,19 @@ public final class OldDeviceTransferFragment extends DeviceTransferFragment {
     requireActivity().finish();
   }
 
+  @Override
+  protected void navigateToTransferComplete() {
+    NavHostFragment.findNavController(this).navigate(R.id.action_oldDeviceTransfer_to_oldDeviceTransferComplete);
+  }
+
   private class ClientTaskListener {
     @Subscribe(threadMode = ThreadMode.MAIN)
     public void onEventMainThread(@NonNull OldDeviceClientTask.Status event) {
       if (event.isDone()) {
+        transferFinished = true;
         ignoreTransferStatusEvents();
         EventBus.getDefault().removeStickyEvent(TransferStatus.class);
         DeviceToDeviceTransferService.stop(requireContext());
-        SignalStore.misc().markOldDeviceTransferLocked();
         NavHostFragment.findNavController(OldDeviceTransferFragment.this).navigate(R.id.action_oldDeviceTransfer_to_oldDeviceTransferComplete);
       } else {
         status.setText(getString(R.string.DeviceTransfer__d_messages_so_far, event.getMessageCount()));

device-transfer/lib/src/main/java/org/signal/devicetransfer/DeviceToDeviceTransferService.java

@@ -88,7 +88,7 @@ public class DeviceToDeviceTransferService extends Service implements ShutdownCa
   @Override
   public void onCreate() {
     super.onCreate();
-    Log.e(TAG, "onCreate");
+    Log.v(TAG, "onCreate");
 
     EventBus.getDefault().register(this);
   }
@@ -100,7 +100,7 @@ public class DeviceToDeviceTransferService extends Service implements ShutdownCa
 
   @Override
   public void onDestroy() {
-    Log.e(TAG, "onDestroy");
+    Log.v(TAG, "onDestroy");
 
     EventBus.getDefault().unregister(this);
 
@@ -219,6 +219,7 @@ public class DeviceToDeviceTransferService extends Service implements ShutdownCa
       case UNAVAILABLE:
       case FAILED:
       case SERVICE_DISCONNECTED:
+      case SHUTDOWN:
         Log.d(TAG, "Intentionally no notification text for: " + transferStatus.getTransferMode());
         break;
       default: