Haptic feedback after empty trash/spam

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

@@ -92,6 +92,7 @@ import android.util.LongSparseArray;
 import android.util.Pair;
 import android.util.TypedValue;
 import android.view.GestureDetector;
+import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -10453,6 +10454,11 @@ public class FragmentMessages extends FragmentBase
                 return null;
             }
 
+            @Override
+            protected void onExecuted(Bundle args, Void data) {
+                view.performHapticFeedback(HapticFeedbackConstants.CONFIRM);
+            }
+
             @Override
             protected void onException(Bundle args, Throwable ex) {
                 Log.unexpectedError(getParentFragmentManager(), ex);