Set target activity

app/src/main/java/eu/faircode/email/ActivityBase.java

@@ -53,6 +53,7 @@ import androidx.core.graphics.ColorUtils;
 import androidx.documentfile.provider.DocumentFile;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentResultListener;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
@@ -119,6 +120,30 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
             }
         }
 
+        String requestKey = getRequestKey();
+        if (!BuildConfig.PLAY_STORE_RELEASE)
+            EntityLog.log(this, "Listing key=" + requestKey);
+        getSupportFragmentManager().setFragmentResultListener(requestKey, this, new FragmentResultListener() {
+            @Override
+            public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result) {
+                try {
+                    result.setClassLoader(ApplicationEx.class.getClassLoader());
+                    int requestCode = result.getInt("requestCode");
+                    int resultCode = result.getInt("resultCode");
+
+                    EntityLog.log(ActivityBase.this, "Received key=" + requestKey +
+                            " request=" + requestCode +
+                            " result=" + resultCode);
+
+                    Intent data = new Intent();
+                    data.putExtra("args", result);
+                    onActivityResult(requestCode, resultCode, data);
+                } catch (Throwable ex) {
+                    Log.e(ex);
+                }
+            }
+        });
+
         prefs.registerOnSharedPreferenceChangeListener(this);
 
         int colorPrimaryDark = Helper.resolveColor(this, R.attr.colorPrimaryDark);
@@ -353,6 +378,10 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
         }
     }
 
+    public String getRequestKey() {
+        return this.getClass().getName() + ":activity";
+    }
+
     @Override
     protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
         EntityLog.log(this, "Result class=" + this.getClass().getSimpleName() +

app/src/main/java/eu/faircode/email/FragmentDialogBase.java

@@ -183,6 +183,11 @@ public class FragmentDialogBase extends DialogFragment {
         targetRequestCode = requestCode;
     }
 
+    public void setTargetActivity(ActivityBase activity, int requestCode){
+        targetRequestKey = activity.getRequestKey();
+        targetRequestCode = requestCode;
+    }
+
     protected void sendResult(int resultCode) {
         EntityLog.log(getContext(), "Sending key=" + targetRequestKey +
                 " request=" + targetRequestCode +