private void scrollClose() {
   if (mListener != null) {
     mListener.onMenuCollapsed();
   }
   for (int i = 0; i < getChildCount(); i++) {
     if (getChildAt(i) instanceof FloatingActionButtonScroll) {
       FloatingActionButtonScroll btn = (FloatingActionButtonScroll) getChildAt(i);
       btn.setVisibility(VISIBLE);
       if (btn.getTag() != null) {
         ((TextView) btn.getTag()).setVisibility(VISIBLE);
       }
       btn.scroll2CloseSmooth();
     }
   }
 }