private boolean showAppMenu(boolean startDragging){
  if (!mMenuHandler.isAppMenuShowing() && mMenuHandler.showAppMenu(mMenuButton,false,startDragging)) {
    if (mOnAppMenuShownListener != null) {
      mOnAppMenuShownListener.run();
    }
    return true;
  }
  return false;
}

private boolean showAppMenu ( boolean startDragging ) { if ( ! mMenuHandler . isAppMenuShowing ( ) && mMenuHandler . showAppMenu ( mMenuButton , false , startDragging ) ) { if ( mOnAppMenuShownListener != null ) { mOnAppMenuShownListener . run ( ) ; } return true ; } return false ; }
shows the app menu if it is not already shown .
