Flutter基础widgets教程-CupertinoAlertDialog篇

CupertinoAlertDialog({    
    Key key,    
    this.title,    
    this.content,    
    this.actions = const <Widget>[],    
    this.scrollController,    
    this.actionScrollController,    
    this.insetAnimationDuration = const Duration(milliseconds: 100),    
    this.insetAnimationCurve = Curves.decelerate,
})

title: Text("这是一个iOS风格的对话框"),

content: SizedBox(),

actions: <Widget>[],

默认 null，一般不需要

默认 null，一般不需要