flutter-layout

问题 @override Widget build(BuildContext context) { super.build(context); SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values); return AnnotatedRegion<SystemUiOverlayStyle>( value: SystemUiOverlayStyle( statusBarColor: Colors.transparent, ), child: Scaffold( key: _scaffoldKeyProfilePage, body: DefaultTabController( length: 2, child:RefreshIndicator( onRefresh: _onRefresh, child: NestedScrollView( headerSliverBuilder: (context, _) { return [ SliverList( delegate: SliverChildListDelegate(

问题 @override Widget build(BuildContext context) { super.build(context); SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values); return AnnotatedRegion<SystemUiOverlayStyle>( value: SystemUiOverlayStyle( statusBarColor: Colors.transparent, ), child: Scaffold( key: _scaffoldKeyProfilePage, body: DefaultTabController( length: 2, child:RefreshIndicator( onRefresh: _onRefresh, child: NestedScrollView( headerSliverBuilder: (context, _) { return [ SliverList( delegate: SliverChildListDelegate(

问题 @override Widget build(BuildContext context) { super.build(context); SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values); return AnnotatedRegion<SystemUiOverlayStyle>( value: SystemUiOverlayStyle( statusBarColor: Colors.transparent, ), child: Scaffold( key: _scaffoldKeyProfilePage, body: DefaultTabController( length: 2, child:RefreshIndicator( onRefresh: _onRefresh, child: NestedScrollView( headerSliverBuilder: (context, _) { return [ SliverList( delegate: SliverChildListDelegate(

问题 How can I change ripple effect color in Flutter? 回答1: Wrap your widget in Theme and provide the data as data: ThemeData(splashColor: Colors.red) 回答2: An example for the @CopsOnRoad's answer. (Like-Button) Theme( data: ThemeData(splashColor: Colors.red[200]), child: Material( elevation: 0, shape: CircleBorder(), clipBehavior: Clip.hardEdge, color: Colors.transparent, child: InkWell( child: Padding( padding: const EdgeInsets.all(10), child: Icon( Icons.favorite, color: _isLiked ? Colors.red :

问题 How can I change ripple effect color in Flutter? 回答1: Wrap your widget in Theme and provide the data as data: ThemeData(splashColor: Colors.red) 回答2: An example for the @CopsOnRoad's answer. (Like-Button) Theme( data: ThemeData(splashColor: Colors.red[200]), child: Material( elevation: 0, shape: CircleBorder(), clipBehavior: Clip.hardEdge, color: Colors.transparent, child: InkWell( child: Padding( padding: const EdgeInsets.all(10), child: Icon( Icons.favorite, color: _isLiked ? Colors.red :

问题 Currently i want to make event for "Copy to Clipboard" on user device. When user click to "List view leading icon.content copy" then text should be store on his device clipboard. Please can anyone help me? Widget _buildListItem(BuildContext context, DocumentSnapshot data) { final record = Record.fromSnapshot(data); return Padding( key: ValueKey(record.name), padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0), child: Container( decoration: BoxDecoration( border: Border.all

问题 I have made simple hero animation following instructions from Flutter's website It works as described in the instructions but in my case, I would like it to animate much more slowly from the first to the second screen. do anyone know how to change the speed of this animation? 回答1: To modify the transition speed, you'll have to adjust the PageRoute transition duration (as already pointed out by @diegoveloper). If you wanna keep the default transition, you can create a class implementing

问题 Trying to navigate to a new screen using Navigator.push(), but it's not working. I have created a custom class to show AlertDialog and call the class with the object to show alertDialog _customerAlertDialog.showConfirmAlertDialog( context: context, title: "Login In", subTitle: "You need to login to purchase.", onTapResponse: (bool val) async { if (val) { /// close AlertDialog Navigator.of(context).pop(); Navigator.of(context).push(MaterialPageRoute(builder: (context) => LoginScreen())); print

问题 I am new to flutter and am trying to implement custom list view in flutter. Its giving be RenderCustomMultiChildLayoutBox object was given an infinite size during layout error I am not able to get for which widget its throwing error 2 Also please suggest how to debug these layout errors as the error trace doesn't have specific widget info for which error is thrown please find the below code for the same: class ChatItemSreen extends StatelessWidget { var leftSection; var middleSection; var

问题 Currently, I am working around routes and i wanted to set initialRoute in my app based on sharedPreferences value. I am using Statedulwidget for my MaterialAppWidget and using setState() method once the data from sharedPrefs is fetched. But, every time i am getting the same screen. class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } class _MyAppState extends State<MyApp> { int initScreen = 0; initPrefs() async { SharedPreferences prefs = await