@Override
 protected void onDestroy() {
   super.onDestroy();
   if (mAlbumDataAdapter != null) {
     mAlbumDataAdapter.setLoadingListener(null);
   }
   mActionModeHandler.destroy();
 }
 @Override
 public void onDestroy() {
   super.onDestroy();
   cleanupCameraButton();
   mActionModeHandler.destroy();
 }