showSnackBar(SnackBar(content: Text('hello'))); }, child: Text('点击显示BottomSheet'),//按钮文本 color: Theme.of(context).primaryColor,//颜色 ), 列表类型 scrollDirection: 定义滑动的方向; children: <Widget>[]: 子组件集; Divider、VerticalDivider:【可以作为<Widget>[]的元素】 分隔线; 代码...
Tapping same BottomNavigationBar item does not show background fill animation #160428 opened Dec 17, 2024 Feature request: TabBarView.builder #160427 opened Dec 17, 2024 TextField updates in debug mode, but doesn't update in release mode #160426 opened Dec 17, 2024 Long Loading when...
data:results),//子标题subtitle:newText('简介: '+(results==null?data:results)),// 右边的图标trailing:newIcon(Icons.chevron_right),onTap:(){print('点击事件:点击了 ListTile === title为:$data');//Navigator 路由导航类 ***// of()返回一个NavigatorState,一个状态,包含了相关的一些属性...
Widgetbuild(BuildContext context){returnMaterialApp(debugShowCheckedModeBanner:false,theme:ThemeData(primarySwatch:Colors.teal,),home:MyHomePage(),);}}classMyHomePageextendsStatefulWidget{@override _MyHomePageStatecreateState()=>_MyHomePageState();}class_MyHomePageStateextendsState<MyHomePage>{int selectedpag...
Engine:实现 FLutter 渲染引擎、文字排版、事件处理、Dart 运行时等功能。包括了 Skia 图形绘制库、Dart VM、Text 等,其中 Skia 和 Text 为上层接口提供了调用底层渲染和排版的能力。 Framework:是一个用 Dart 实现的 UI SDK,从上之下包括了两大风格组件库、基础组件库、图形绘制、手势识别、动画等功能。
, // 闪烁效果的高亮部分颜色 child: ListView.builder( itemCount: 10, // 模拟加载的项目数量,这里设置为10个 itemBuilder: (BuildContext context, int index) { // 列表项构建器,根据index创建每个列表项 return const ListTile( leading: CircleAvatar(), // 列表项左侧的头像占位符 title: Text('...
Keep in mind - one can't edit text if you can't place the cursor at least very nearby an intended location on tap. As run in chrome and safari browsers on android and ios cell phones, after many experiments including a simple flutter dev...
webView; String url = ""; double progress = 0; @override void initState() { super.initState(); } @override void dispose() { super.dispose(); } @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: const Text('InAppWebView Example'...
IntXRxInt MapXRxMap ListXRxList NumXRxNum DoubleXRxDouble 现在RxController和GetBuilder已经合并了,你不再需要记住你要用哪个控制器,只要用GetxController就可以了,它可以用于简单的状态管理,也可以用于响应式。 2- 别名路由 之前: GetMaterialApp( namedRoutes: {'/': GetRoute(page: Home()), } ) ...
context.textScaleFactor() /// Get the shortestSide from screen context.mediaQueryShortestSide() /// True if width be larger than 800 context.showNavbar() /// True if the shortestSide is smaller than 600p context.isPhone() /// True if the shortestSide is largest than 600p ...