Builder typedef

Builder = Widget Function(BuildContext context, TimeViewState controller, int time)

create_user: zhengzaihong email:[e-mail] create_date: 2021/12/13 create_time: 9:43 describe: 用于倒计时类的控件， 使用规范: 外部请不要将 TimeViewState 持久化。

Implementation

typedef Builder = Widget Function(BuildContext context, TimeViewState controller, int time);