@Override
 public void onViewCreated(View view, Bundle savedInstanceState) {
   super.onViewCreated(view, savedInstanceState);
   if (getBridgeAdapter() != null && getVerticalGridView() != null) {
     FocusHighlightHelper.setupHeaderItemFocusHighlight(getVerticalGridView());
   }
 }
 @Override
 protected void updateAdapter() {
   super.updateAdapter();
   ItemBridgeAdapter adapter = getBridgeAdapter();
   if (adapter != null) {
     adapter.setAdapterListener(mAdapterListener);
   }
   if (adapter != null && getVerticalGridView() != null) {
     FocusHighlightHelper.setupHeaderItemFocusHighlight(getVerticalGridView());
   }
 }