Widgetbuild(BuildContext context){returnnewScaffold(appBar:newAppBar(title:newText('First Screen'),),body:newCenter(child:newRaisedButton(child:newText('Launch new screen'),onPressed:(){// Navigate to second sc
我发现你的代码有问题，你的代码应该像下面的代码一样写：在方法中添加Buildcontext参数
一、链接文件介绍 Linux操作系统中的“链接文件”分为硬链接（hard link）和软链接（symbolic link）。...
通过remove进行返回 // */ // void _pushSaved(){ // //在路由管理器 Navigator中push一个新的路由 // //这个路由是一个页面路由,通过builder构建这个页面 // Navigator.of(context).push(MaterialPageRoute<void>(builder: (context){ // //dart语法,每一个被标星的单词都会生成一个ListTile组件 // fi...
Steps to reproduce Open a modal bottom sheet using showModalBottomSheet from a page press any button on the bottom sheet to navigate to a new page try to come back using device back button... app is directly closing in my case instead ...
// also passing the current todo through to it! /** *当用户点击ListTile时,导航到DetailScreen。请注意,我们不仅在创建新的DetailScreen,而且还在传递当前的待办事项! */ onTap: () { Navigator.push( context, new MaterialPageRoute( builder: (context) => new DetailScreen(todo: todos[index]), /...
Navigate to the desired page programmatically The jumpToPage controller method helps you to navigate to the specified page number in a PDF document. The following code example explains the same DART late PdfViewerController _pdfViewerController; @override void initState() { _pdfViewerController = ...
Failed to fetch latest config: $e');}}}// 在应用启动时初始化void main() {ConfigHotReload.initialize();runApp(MyApp());}// 在Feed流页面监听配置更新class FeedPage extends StatefulWidget {@override_FeedPageState createState() => _FeedPageState();}class _FeedPageState extends State<FeedPage...
for (final pageRoute in newPageRouteHistory) { if (pageRoute.isWaitingForEnteringDecision) { pageRoute.markForAdd(); } results.add(pageRoute); } for (final exitingPageRoute in locationToExitingPageRoute.values) { if (exitingPageRoute.isWaitingForExitingDecision) { ...
Steps to reproduce i created a new project in flutter. and i navigate to another page but i show this error (!_debugLocked': is not true) in simple navigate Expected results simple navigate to other page but not happening Actual results ...