private MenuItem addInternal(int group,int id,int categoryOrder,CharSequence title){
  final MenuItemImpl item=createNewMenuItem(group,id,categoryOrder,title);
  mItems.add(findInsertIndex(mItems,categoryOrder),item);
  onItemsChanged(true);
  return item;
}

private MenuItem addInternal ( int group , int id , int categoryOrder , CharSequence title ) { final MenuItemImpl item = createNewMenuItem ( group , id , categoryOrder , title ) ; mItems . add ( findInsertIndex ( mItems , categoryOrder ) , item ) ; onItemsChanged ( true ) ; return item ; }
adds an item to the menu . the other add methods funnel to this .
