✨ AutomaticKeepAlive、KeepAlive、ScrollView、BoxScrollView、SliverWithKeepAliveWidget、CupertinoUserInterfaceLevel、InheritedTheme、ListWheelViewport

lib/views/widgets/ProxyWidget/InheritedTheme/node1_base.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+
+/// create by 张风捷特烈 on 2020/9/21
+/// contact me by email 1981462002@qq.com
+/// 说明: 345 InheritedTheme 传承主题
+/// 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。
+/// link 324,326,328,329
+///
+//    {
+//      "widgetId": 345,
+//      "name": 'InheritedTheme 介绍',
+//      "priority": 1,
+//      "subtitle":
+//          "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。",
+//    }
+
+class InheritedThemeDemo extends StatelessWidget {
+
+  @override
+  Widget build(BuildContext context) {
+    return DefaultTextStyle(
+      style: TextStyle(fontSize: 24, color: Colors.blue),
+      child: TestBody(),
+    );
+  }
+}
+
+class TestBody extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+
+    return GestureDetector(
+        onTap: () => _toNextPage(context),
+        child: Container(
+            height: 60,
+            margin: EdgeInsets.only(left: 40,right: 40),
+            alignment: Alignment.center,
+            color: Theme.of(context).primaryColor.withOpacity(0.1),
+            child: Text('点我进入下页')));
+  }
+
+  void _toNextPage(BuildContext context) {
+    // final NavigatorState navigator = Navigator.of(context);
+    // final CapturedThemes themes =
+    // InheritedTheme.capture(from: context, to: navigator.context);
+    //
+    //
+    // Navigator.of(context).push(
+    //   MaterialPageRoute(
+    //     builder: (BuildContext _) {
+    //       return themes.wrap(Container(
+    //         alignment: Alignment.center,
+    //         color: Colors.white,
+    //         child: Text('Flutter Unit'),
+    //       ));
+    //     },
+    //   ),
+    // );
+  }
+}