路由生命周期状态

2023-12-07 08:10:09 +08:00
parent 25b3bc16b2
commit 34d8e6dd75
13 changed files with 797 additions and 16 deletions
--- a/lib/10/main.dart
+++ b/lib/10/main.dart
@@ -0,0 +1,137 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+
+import 'app_info.dart';
+import 'cupertino_context_menu_demo.dart';
+import 'dropdown_button_color.dart';
+import 'more_pop_icon.dart';
+import 'search_anchor_demo.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      localizationsDelegates: GlobalMaterialLocalizations.delegates,
+      supportedLocales: const [
+         Locale('zh', 'CN'),
+      ],
+      locale: const Locale('zh', 'CN'),
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home:  const HomePage(),
+    );
+  }
+}
+
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("弹出层测试"),
+        actions: [
+          MorePopIcon(onTapItem: _onTapItem,)
+        ],
+      ),
+      body: Center(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            ElevatedButton(
+              onPressed: showConformDialog,
+              child: Text('关于应用'),
+            ),
+            DropdownButtonColor(),
+            ElevatedButton(
+              onPressed: _showModalBottomSheet,
+              child: Text('showModalBottomSheet'),
+            ),
+            ElevatedButton(
+              onPressed: _showCupertinoModalPopup,
+              child: Text('showCupertinoModalPopup'),
+            ),
+            ElevatedButton(
+              onPressed: _toSearchAnchor,
+              child: Text('SearchAnchor 案例'),
+            ),        ElevatedButton(
+              onPressed: _toCupertinoContextMenu,
+              child: Text('CupertinoContextMenu 案例'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void showConformDialog(){
+    showDialog(context: context, builder: _buildAbout);
+    // showCupertinoModalPopup(context: context, builder: builder)
+    // showCupertinoDialog(context: context, builder: _buildAbout);
+  }
+
+  void _showModalBottomSheet(){
+    showModalBottomSheet(
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(8)
+        ),
+        context: context, builder: (_)=>AppInfo());
+  }
+
+  void _showCupertinoModalPopup(){
+    showCupertinoModalPopup(
+        context: context, builder: (_)=>Material(child: const AppInfo()));
+  }
+
+  Widget _buildAbout(BuildContext context){
+    const String msg = 'FlutterUnit 是一个辅助开发者,了解 Flutter 组件和编程技术的开源项目。';
+    return const AboutDialog(
+      applicationName: "FlutterUnit",
+      applicationVersion: "v2.9.3",
+      applicationIcon: FlutterLogo(),
+      children: [
+        Text(msg,style: TextStyle(color: Colors.grey),)
+      ],
+    );
+  }
+
+  void _onTapItem(MenuAction value) {
+    print(value.label);
+    switch(value){
+      case MenuAction.setting:
+        break;
+      case MenuAction.about:
+        showConformDialog();
+        break;
+      case MenuAction.help:
+        break;
+    }
+  }
+
+  void _toSearchAnchor() {
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=>SearchAnchorDemo()));
+
+  }
+
+  void _toCupertinoContextMenu() {
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=>CupertinoContextMenuDemo()));
+  }
+}