• Customize the drop-down menu, quickly realize the head drop-down menu. 自定义下拉菜单,快速实现头部下拉菜单.

step:

• set up 1:

import 'package:flutter_down_menu/flutter_down_menu.dart';

• set up 2:

• DropDownMenuHeader and DropDownMenu or MenuList Use together. see details example