_showDialogWithCallBack(Function(bool)callBack){showDialog(context:context,builder:(context){returnAlertDialog(title:constText("Logout"),content:constText("Are you sure you want to logout?"),actions:[TextButton(onPressed:(){callBack(false);Navigator.of(context).pop();},child:constText("Cancel"...
至于返回值就像正常的页面导航一样，当您调用pop(context, {value})方法时，您也可以返回一个值，因此...
return showDialog<Null>( context: context, //BuildContext对象 barrierDismissible: false, builder: (BuildContext context) { return addLabelPageDialog(confirmCallback: confirmCallback); }); }, //回调函数,接收新建的标签内容 voidconfirmCallback(value){ if(value == null || value == ""){ retur...
flutter showDialog弹窗 可以弹窗嵌套一个类 showDialog(context:context,builder:(context)=>BoxDialog(getUserShake.shakeBoxId)).then((value)=>dialogClose(value)); 也可以直接写布局 showDialog(context:context,builder:(context){returnCenter(child:SizedBox(child:Stack(alignment:Alignment.topCenter,children:[Co...
There are functions which create and show popup routes. For example:showDialog,showMenu, andshowModalBottomSheet. These functions return their pushed route's Future as described above. Callers can await the returned value to take an action when the route is popped, or to discover the route's ...
showDialog( barrierDismissible:false, context: context, builder: (context)=>AboutDialog(//App 的名字applicationName:'Flutter 入门指北',//App 的版本号applicationVersion:'0.1.1',//App 基本信息下面会显示一行小字,主要用来显示版权信息applicationLegalese:'Copyright: this is a copyright notice topically'...
var result =await showDialog( context: context, builder: (context){ return AlertDialog( title: Text("提示信息"), content: Text("您确定要删除吗"), actions: <Widget>[ RaisedButton( child: Text("取消"), color: Colors.blue, textColor: Colors.white, ...
return await showDialog( context: context, builder: (BuildContext context) { return AlertDialog( title: Text('提示'), content: Text('确认退出吗?'), actions:[ FlatButton( child: Text('取消'), onPressed: () { Navigator.of(context).pop(false); ...
///如果返回 return new Future.value(true); popped 就会触发 ///这里可以通过 showDialog 弹出确定框,在返回时通过 Navigator.of(context).pop(true);决定是否退出 return _dialogExitApp(context); }, child: new Container(), ); } } 2、前后台监听 ...
.then((value) => debugPrint( 'xlog, showDialog demo, Return Value:$value')), ), InkWell( child: Container( padding: const EdgeInsets.all(8.0),7 changes: 6 additions & 1 deletion 7 example/lib/main.dart Original file line numberDiff line numberDiff line change @@ -15,8 +15,9 @...