forked from lxm_flutter/FlutterUnit
60 lines
1.8 KiB
Dart
60 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020/9/21
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/// contact me by email 1981462002@qq.com
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/// 说明: 345 InheritedTheme 传承主题
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/// 它是抽象类，有非常多的 XXXTheme 相关子类，用于定义颜色、文字样式等属性，在子树中共享这些属性。
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/// link 324,326,328,329
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///
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// {
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// "widgetId": 345,
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// "name": 'InheritedTheme 介绍',
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// "priority": 1,
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// "subtitle":
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// "InheritedTheme.capture 可以抓取上层主题，获取 CapturedThemes 对象，通过该对象 wrap 方法可以跨路由使用抓到的主题。",
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// }
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class InheritedThemeDemo extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return DefaultTextStyle(
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style: TextStyle(fontSize: 24, color: Colors.blue),
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child: TestBody(),
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);
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}
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}
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class TestBody extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: () => _toNextPage(context),
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child: Container(
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height: 60,
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margin: EdgeInsets.only(left: 40,right: 40),
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alignment: Alignment.center,
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color: Theme.of(context).primaryColor.withOpacity(0.1),
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child: Text('InheritedTheme')));
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}
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void _toNextPage(BuildContext context) {
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// final NavigatorState navigator = Navigator.of(context);
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// final CapturedThemes themes =
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// InheritedTheme.capture(from: context, to: navigator.context);
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//
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// Navigator.of(context).push(
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// MaterialPageRoute(
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// builder: (BuildContext _) {
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// return themes.wrap(Container(
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// alignment: Alignment.center,
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// color: Colors.white,
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// child: Text('Flutter Unit'),
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// ));
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// },
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// ),
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// );
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}
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}
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