路由换肤功能 import'package:flutter/material.dart';classThemePageextendsStatefulWidget{constThemePage({Key? key}) :super(key: key);@overrideState<ThemePage> createState() => _ThemePageState(); }class_ThemePageStateextendsState<ThemePage>{var_themeColor = Colors.green;//当前路由主题色@overrideWidg...
import 'package:flutter/material.dart'; import 'package:nihao_flutter/demo/form_demo.dart'; import 'package:nihao_flutter/demo/navigator_demo.dart'; import 'package:nihao_flutter/demo/home_demo.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget buil...
import 'package:flutter/material.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch:Colors.blue, ), home: ThemeTestRoute(), ); } } class Them...
import'package:flutter/material.dart';import'package:test/theme/themes.dart';class_InheritedStateContainerextendsInheritedWidget{finalStateContainerState data;const_InheritedStateContainer({Key?key,requiredthis.data,required Widget child}):super(key:key,child:child);@overrideboolupdateShouldNotify(covariant Inh...
import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:zhong_mei_utils_flutter/global/Global.dart'; //类型随便取,继承ChangeNotifier class ThemeProvider with ChangeNotifier { Color _color = themeList.first;//默认是我们设置的主题颜色列表第一个 ...
Flutter 3 给我们提供了一个解决方案:ThemeExtensions。 开发者可以通过继承ThemeExtension并 override 对应的copyWith和lerp方法来自定义需要拓展的ThemeData参数,比如这样: 代码语言:javascript 复制 @immutable class StatusColors extends ThemeExtension<StatusColors> { ...
../../../.pub-cache/hosted/pub.dev/skeletons-0.0.3/lib/src/widgets.dart:100:46: Error: The getter 'backgroundColor' isn't defined for the class 'ThemeData'. 'ThemeData' is from 'package:flutter/src/material/theme_data.dart' ('../../../flutterSDK/flutter/packages/flutter/lib/src...
import'package:syncfusion_flutter_core/theme.dart'; Once the required package has been imported, initializeSfThemewidget and then add any widget as a child. The theme data applied in thisSfThemewidget is applied to all the Syncfusion widgets that are descendant of thisSfThemewidget. For demonstra...
/// Const theme token values./// These could be token definitions from a design made in Figma or other/// 3rd party design tools that have been imported into Flutter.sealedclassThemeTokens{// Colors used in the app brand palette.// : as above ...// Boolean for using our adaptive...
原因———bruno指定是使用flutter2.2.2版本 降低flutter版本方法——最简单直接的方式———官网重新下载stable 地址:Flutter SDK releases | Flutter ………之后配置环境变量………flutter doctor检查再运行