Flutter中的Radio部件
Radio参数const Radio({ Key key, @required this.value,//每个单选按钮的值，每个值是唯一的，不可重复 @required this.groupValue,...
譬如朝露
Flutter中CheckBox复选框部件
CheckBox参数const Checkbox({ Key key, @required this.value,//是否选中此复选框 this.tristate = false,//默认false，如果为t...
Flutter中PopupMenuButton下拉菜单按钮
PopupMenuButton参数const PopupMenuButton({ Key key, @required this.itemBuilder,//渲染下拉菜单函数，返回数组 this.initialValu...
flutter中的表单部件
输入框及表单TextFieldconst TextField({ Key key, this.controller, // 控制正在编辑文本 this.focusNode...
flutter的SliverAppBar
SliverAppBar参数const SliverAppBar({ Key key, this.leading, //左侧标题 this.automaticallyImplyLeading = true, ...