@Override
 protected void onStop() {
   try {
     mObserverManager.fire(new OnStopEvent());
   } finally {
     super.onStop();
   }
 }
 @Override
 protected void onStop() {
   try {
     eventManager.fire(new OnStopEvent(this));
   } finally {
     super.onStop();
   }
 }
 @Override
 protected void onStop() {
   super.onStop();
   MPDApplication app = (MPDApplication) getApplicationContext();
   app.unsetActivity(this);
 }
 @Override
 protected void onStop() {
   super.onStop();
 }