ext

lib/03/01/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'pages/home_page.dart';
+
+
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home:  const HomePage(),
+    );
+  }
+}
+
+

lib/03/01/pages/color_add_page.dart

@@ -0,0 +1,67 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class ColorAddPage extends StatefulWidget {
+  const ColorAddPage({super.key});
+
+  @override
+  State<ColorAddPage> createState() => _ColorAddPageState();
+}
+
+class _ColorAddPageState extends State<ColorAddPage> {
+  late Color _color;
+
+  @override
+  void initState() {
+    super.initState();
+    _color = randomColor;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text = '# ${_color.value.toRadixString(16)}';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('添加颜色'),
+        actions: [IconButton(onPressed: _selectColor, icon: Icon(Icons.check ))],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0,vertical: 20),
+        child: Row(
+          children: [
+            Expanded(child: Text(text,style: TextStyle(color: _color,fontSize: 24,letterSpacing: 4),)),
+            Container(
+              margin: EdgeInsets.only(left: 10),
+              width: 40,
+              height: 40,
+              child: Icon(
+                Icons.sell_outlined,
+                color: Colors.white,
+              ),
+              decoration: BoxDecoration(
+                color: _color,
+                borderRadius: BorderRadius.circular(8),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Random _random = Random();
+
+  Color get randomColor {
+    return Color.fromARGB(
+      255,
+      _random.nextInt(256),
+      _random.nextInt(256),
+      _random.nextInt(256),
+    );
+  }
+
+  void _selectColor() {
+    Navigator.of(context).pop(_color);
+  }
+}

lib/03/01/pages/home_page.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'color_add_page.dart';
+
+import '../../../common/components/colors_panel.dart';
+import '../../../common/pages/stl_color_page.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Color> _colors = [
+    Colors.red, Colors.black, Colors.blue, Colors.green, Colors.orange,
+    Colors.pink, Colors.purple, Colors.indigo, Colors.amber, Colors.cyan,
+    Colors.redAccent, Colors.grey, Colors.blueAccent, Colors.greenAccent, Colors.orangeAccent,
+    Colors.pinkAccent, Colors.purpleAccent, Colors.indigoAccent, Colors.amberAccent, Colors.cyanAccent,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title:const Text('颜色主页')),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _toAddPage,
+        child: const Icon(Icons.add),
+      ),
+      body: ColorsPanel(
+        colors: _colors,
+        onSelect: _selectColor,
+      ),
+    );
+  }
+
+  void _selectColor(Color color){
+    Route route = MaterialPageRoute(builder: (ctx) => StlColorPage(color: color));
+    Navigator.of(context).push(route);
+  }
+
+  void _toAddPage() async {
+    Route<Color> route = MaterialPageRoute<Color>(builder: (ctx) => const ColorAddPage());
+    Color? color = await Navigator.of(context).push(route);
+    if (color != null) {
+      setState(() {
+        _colors.add(color);
+      });
+    }
+  }
+}

lib/03/02/main.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+import 'pages/color_add_page.dart';
+import '../../common/pages/stl_color_page.dart';
+import 'pages/empty_page.dart';
+import 'pages/home_page.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      routes: routeMap,
+      // initialRoute: '/add_color',
+      onUnknownRoute: _onUnknownRoute,
+      onGenerateRoute: _onGenerateRoute,
+    );
+  }
+
+  /// 路由映射 [字符串 --> 组件构造器]
+  Map<String, WidgetBuilder> get routeMap => {
+        '/': (ctx) => const HomePage(),
+        '/add_color': (ctx) => const ColorAddPage(),
+      };
+
+  /// 根据路由配置 [settings] 创建路由
+  Route? _onGenerateRoute(RouteSettings settings) {
+    String? name = settings.name;
+    Widget? child;
+    if (name == '/color_detail') {
+      Color color = settings.arguments as Color;
+      child = StlColorPage(color: color);
+    }
+
+    if (child != null) {
+      return MaterialPageRoute(
+        builder: (ctx) => child!,
+        settings: settings,
+      );
+    }
+    return null;
+  }
+
+  Route? _onUnknownRoute(RouteSettings settings) {
+    return MaterialPageRoute(
+      builder: (ctx) => const EmptyPage(),
+      settings: settings,
+    );
+  }
+}

lib/03/02/pages/color_add_page.dart

@@ -0,0 +1,67 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class ColorAddPage extends StatefulWidget {
+  const ColorAddPage({super.key});
+
+  @override
+  State<ColorAddPage> createState() => _ColorAddPageState();
+}
+
+class _ColorAddPageState extends State<ColorAddPage> {
+  late Color _color;
+
+  @override
+  void initState() {
+    super.initState();
+    _color = randomColor;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text = '# ${_color.value.toRadixString(16)}';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('添加颜色'),
+        actions: [IconButton(onPressed: _selectColor, icon: Icon(Icons.check ))],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0,vertical: 20),
+        child: Row(
+          children: [
+            Expanded(child: Text(text,style: TextStyle(color: _color,fontSize: 24,letterSpacing: 4),)),
+            Container(
+              margin: EdgeInsets.only(left: 10),
+              width: 40,
+              height: 40,
+              child: Icon(
+                Icons.sell_outlined,
+                color: Colors.white,
+              ),
+              decoration: BoxDecoration(
+                color: _color,
+                borderRadius: BorderRadius.circular(8),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Random _random = Random();
+
+  Color get randomColor {
+    return Color.fromARGB(
+      255,
+      _random.nextInt(256),
+      _random.nextInt(256),
+      _random.nextInt(256),
+    );
+  }
+
+  void _selectColor() {
+    Navigator.of(context).pop(_color);
+  }
+}

lib/03/02/pages/home_page.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'color_add_page.dart';
+
+import '../../../common/components/colors_panel.dart';
+import '../../../common/pages/stl_color_page.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Color> _colors = [
+    Colors.red, Colors.black, Colors.blue, Colors.green, Colors.orange,
+    Colors.pink, Colors.purple, Colors.indigo, Colors.amber, Colors.cyan,
+    Colors.redAccent, Colors.grey, Colors.blueAccent, Colors.greenAccent, Colors.orangeAccent,
+    Colors.pinkAccent, Colors.purpleAccent, Colors.indigoAccent, Colors.amberAccent, Colors.cyanAccent,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title:const Text('颜色主页 V2')),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _toAddPage,
+        child: const Icon(Icons.add),
+      ),
+      body: ColorsPanel(
+        colors: _colors,
+        onSelect: _selectColor,
+      ),
+    );
+  }
+
+  void _selectColor(Color color){
+    Navigator.of(context).pushNamed('/color_detail1',arguments: color);
+  }
+
+  void _toAddPage() async {
+    dynamic color = await Navigator.of(context).pushNamed('/add_color');
+    if (color != null) {
+      setState(() {
+        _colors.add(color);
+      });
+    }
+  }
+}

lib/03/03/main.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'router1/router1.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+
+      routes: Router1.routeMap,
+      navigatorKey: Router1.globalNavKey,
+      onUnknownRoute: Router1.onUnknownRoute,
+      initialRoute: Router1.initialRoute,
+      onGenerateRoute: Router1.onGenerateRoute,
+    );
+  }
+}

lib/03/03/pages/color_add_page.dart

@@ -0,0 +1,67 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class ColorAddPage extends StatefulWidget {
+  const ColorAddPage({super.key});
+
+  @override
+  State<ColorAddPage> createState() => _ColorAddPageState();
+}
+
+class _ColorAddPageState extends State<ColorAddPage> {
+  late Color _color;
+
+  @override
+  void initState() {
+    super.initState();
+    _color = randomColor;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text = '# ${_color.value.toRadixString(16)}';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('添加颜色'),
+        actions: [IconButton(onPressed: _selectColor, icon: Icon(Icons.check ))],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0,vertical: 20),
+        child: Row(
+          children: [
+            Expanded(child: Text(text,style: TextStyle(color: _color,fontSize: 24,letterSpacing: 4),)),
+            Container(
+              margin: EdgeInsets.only(left: 10),
+              width: 40,
+              height: 40,
+              child: Icon(
+                Icons.sell_outlined,
+                color: Colors.white,
+              ),
+              decoration: BoxDecoration(
+                color: _color,
+                borderRadius: BorderRadius.circular(8),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Random _random = Random();
+
+  Color get randomColor {
+    return Color.fromARGB(
+      255,
+      _random.nextInt(256),
+      _random.nextInt(256),
+      _random.nextInt(256),
+    );
+  }
+
+  void _selectColor() {
+    Navigator.of(context).pop(_color);
+  }
+}

lib/03/03/pages/home_page.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import '../router1/router1.dart';
+
+import '../../../common/components/colors_panel.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Color> _colors = [
+    Colors.red, Colors.black, Colors.blue, Colors.green, Colors.orange,
+    Colors.pink, Colors.purple, Colors.indigo, Colors.amber, Colors.cyan,
+    Colors.redAccent, Colors.grey, Colors.blueAccent, Colors.greenAccent, Colors.orangeAccent,
+    Colors.pinkAccent, Colors.purpleAccent, Colors.indigoAccent, Colors.amberAccent, Colors.cyanAccent,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title:const Text('颜色主页 V3')),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _toAddPage,
+        child: const Icon(Icons.add),
+      ),
+      body: ColorsPanel(
+        colors: _colors,
+        onSelect: _selectColor,
+      ),
+    );
+  }
+
+  void _selectColor(Color color){
+
+    Router1.nav.pushNamed(Router1.kColorDetail,arguments: color);
+  }
+
+  void _toAddPage() async {
+    dynamic color = await Router1.nav.pushNamed(Router1.kAddColor);
+    if (color != null) {
+      setState(() {
+        _colors.add(color);
+      });
+    }
+  }
+}

lib/03/03/router1/router1.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+import '../../../common/pages/stl_color_page.dart';
+import '../pages/color_add_page.dart';
+import '../pages/empty_page.dart';
+import '../pages/home_page.dart';
+
+class Router1 {
+
+  /// 主页面 [HomePage]
+  static const String kHome = '/';
+
+  /// 颜色详情页 [StlColorPage]
+  static const String kColorDetail = '${kHome}color_detail';
+
+  /// 添加颜色页 [ColorAddPage]
+  static const String kAddColor = '${kHome}add_color';
+
+
+  static String get initialRoute => kHome;
+
+  static final GlobalKey<NavigatorState> globalNavKey = GlobalKey();
+
+  static NavigatorState get nav => globalNavKey.currentState!;
+
+  /// 路由映射 [字符串 --> 组件构造器]
+  static Map<String, WidgetBuilder> get routeMap => {
+        kHome: (ctx) => const HomePage(),
+        kAddColor: (ctx) => const ColorAddPage(),
+  };
+
+  /// 根据路由配置 [settings] 创建路由
+  static Route? onGenerateRoute(RouteSettings settings) {
+    String? name = settings.name;
+    Widget? child;
+    if (name == kColorDetail) {
+      Color color = settings.arguments as Color;
+      child = StlColorPage(color: color);
+    }
+
+    if (child != null) {
+      return MaterialPageRoute(
+        builder: (ctx) => child!,
+        settings: settings,
+      );
+    }
+    return null;
+  }
+
+  static Route? onUnknownRoute(RouteSettings settings) {
+    return MaterialPageRoute(
+      builder: (ctx) => const EmptyPage(),
+      settings: settings,
+    );
+  }
+}

lib/05/01/main.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const OverlayPage());
+}
+
+class OverlayPage extends StatelessWidget{
+  const OverlayPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final OverlayEntry home = OverlayEntry(builder: (BuildContext context) => const HomePage());
+
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: Overlay(
+        initialEntries: [home],
+      ),
+    );
+  }
+}
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const ColoredBox(
+      color: Colors.white,
+      child: Align(
+        child: FlutterLogo(size: 60,),
+      ),
+    );
+  }
+}
+

lib/05/02/main.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const OverlayPage());
+}
+
+class OverlayPage extends StatelessWidget{
+  const OverlayPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final OverlayEntry home = OverlayEntry(builder: (BuildContext context) => const HomePage());
+    final OverlayEntry circle = OverlayEntry(builder: (BuildContext context) => const Center(child:  Circle()));
+
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: Overlay(
+        initialEntries: [home,circle],
+      ),
+    );
+  }
+}
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const ColoredBox(
+      color: Colors.white,
+      child: Align(
+        child: FlutterLogo(
+          size: 60,
+        ),
+      ),
+    );
+  }
+}
+
+class Circle extends StatelessWidget {
+  const Circle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 20,
+      height: 20,
+      decoration: const BoxDecoration(
+        color: Colors.redAccent,
+        shape: BoxShape.circle
+      ),
+    );
+  }
+}

lib/05/03/main.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const OverlayPage());
+}
+
+class OverlayPage extends StatelessWidget{
+  const OverlayPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final OverlayEntry home =
+        OverlayEntry(builder: (BuildContext context) => const HomePage());
+
+    final OverlayEntry circle = OverlayEntry(
+        builder: (BuildContext context) => Positioned(
+              top: 50,
+              left: 50,
+              child: const Circle(),
+            ));
+
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: Overlay(
+        initialEntries: [home, circle],
+      ),
+    );
+  }
+}
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const ColoredBox(
+      color: Colors.white,
+      child: Align(
+        child: FlutterLogo(
+          size: 60,
+        ),
+      ),
+    );
+  }
+}
+
+class Circle extends StatelessWidget {
+  const Circle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 20,
+      height: 20,
+      decoration:
+          const BoxDecoration(color: Colors.redAccent, shape: BoxShape.circle),
+    );
+  }
+}

lib/05/04/main.dart

@@ -0,0 +1,77 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const OverlayPage());
+}
+
+class OverlayPage extends StatefulWidget {
+  const OverlayPage({super.key});
+
+  @override
+  State<OverlayPage> createState() => _OverlayPageState();
+}
+
+class _OverlayPageState extends State<OverlayPage> {
+  double _left = 0;
+  double _top = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    final OverlayEntry home =
+        OverlayEntry(builder: (BuildContext context) => const HomePage());
+
+    final OverlayEntry circle = OverlayEntry(
+        builder: (BuildContext context) => Positioned(
+              top: 50,
+              left: 50,
+              child: GestureDetector(
+                onPanUpdate: _updatePosition,
+                child: const Circle(),
+              ),
+            ));
+
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: Overlay(
+        initialEntries: [home, circle],
+      ),
+    );
+  }
+
+  void _updatePosition(DragUpdateDetails details) {
+    setState(() {
+      _top += details.delta.dy;
+      _left += details.delta.dx;
+    });
+  }
+}
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const ColoredBox(
+      color: Colors.white,
+      child: Align(
+        child: FlutterLogo(
+          size: 60,
+        ),
+      ),
+    );
+  }
+}
+
+class Circle extends StatelessWidget {
+  const Circle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 20,
+      height: 20,
+      decoration:
+          const BoxDecoration(color: Colors.redAccent, shape: BoxShape.circle),
+    );
+  }
+}

lib/05/05/main.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+
+void main() {
+  runApp(const OverlayPage());
+}
+
+class OverlayPage extends StatefulWidget {
+  const OverlayPage({super.key});
+
+  @override
+  State<OverlayPage> createState() => _OverlayPageState();
+}
+
+class _OverlayPageState extends State<OverlayPage> {
+  @override
+  Widget build(BuildContext context) {
+    final OverlayEntry home = OverlayEntry(builder: (BuildContext context) => const HomePage());
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: Overlay(
+        initialEntries: [home],
+      ),
+    );
+  }
+}
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+
+  OverlayEntry? entry;
+
+  @override
+  Widget build(BuildContext context) {
+    return ColoredBox(
+      color: Colors.white,
+      child: Align(
+        child: GestureDetector(
+          onTap: _toggle,
+          child: const FlutterLogo(
+            size: 60,
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _toggle() {
+    if(entry==null){
+      entry = _createPoint();
+      Overlay.of(context).insert(entry!);
+    }else{
+      entry!.remove();
+      entry = null;
+    }
+  }
+
+  OverlayEntry _createPoint() {
+    return OverlayEntry(
+      builder: (BuildContext context) => Positioned(
+        width: 20,
+        height: 20,
+        left:  20,
+        top: 20,
+        child: GestureDetector(child: const Circle()),
+      ),
+    );
+  }
+}
+
+class ClickShowPage extends StatefulWidget {
+  const ClickShowPage({super.key});
+
+  @override
+  State<ClickShowPage> createState() => _ClickShowPageState();
+}
+
+class _ClickShowPageState extends State<ClickShowPage> {
+  Offset _position = Offset.zero;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: _addPoint,
+      onTapDown: _onTapDown,
+    );
+  }
+
+  void _addPoint() {
+    OverlayEntry entry = _createPoint();
+    Overlay.of(context).insert(entry);
+  }
+
+  OverlayEntry _createPoint() {
+    return OverlayEntry(
+      builder: (BuildContext context) => Positioned(
+          width: 20,
+          height: 20,
+          left: _position.dx - 10,
+          top: _position.dy - 10,
+          child: Circle()),
+    );
+  }
+
+  void _onTapDown(TapDownDetails details) {
+    _position = details.localPosition;
+  }
+}
+
+class Circle extends StatelessWidget {
+  const Circle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 20,
+      height: 20,
+      decoration:
+          const BoxDecoration(color: Colors.redAccent, shape: BoxShape.circle),
+    );
+  }
+}

lib/05/06/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'pages/home_page.dart';
+
+
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home:  const HomePage(),
+    );
+  }
+}
+
+

lib/05/06/pages/color_add_page.dart

@@ -0,0 +1,67 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class ColorAddPage extends StatefulWidget {
+  const ColorAddPage({super.key});
+
+  @override
+  State<ColorAddPage> createState() => _ColorAddPageState();
+}
+
+class _ColorAddPageState extends State<ColorAddPage> {
+  late Color _color;
+
+  @override
+  void initState() {
+    super.initState();
+    _color = randomColor;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text = '# ${_color.value.toRadixString(16)}';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('添加颜色'),
+        actions: [IconButton(onPressed: _selectColor, icon: Icon(Icons.check ))],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0,vertical: 20),
+        child: Row(
+          children: [
+            Expanded(child: Text(text,style: TextStyle(color: _color,fontSize: 24,letterSpacing: 4),)),
+            Container(
+              margin: EdgeInsets.only(left: 10),
+              width: 40,
+              height: 40,
+              child: Icon(
+                Icons.sell_outlined,
+                color: Colors.white,
+              ),
+              decoration: BoxDecoration(
+                color: _color,
+                borderRadius: BorderRadius.circular(8),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Random _random = Random();
+
+  Color get randomColor {
+    return Color.fromARGB(
+      255,
+      _random.nextInt(256),
+      _random.nextInt(256),
+      _random.nextInt(256),
+    );
+  }
+
+  void _selectColor() {
+    Navigator.of(context).pop(_color);
+  }
+}

lib/05/06/pages/home_page.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'color_add_page.dart';
+
+import '../../../common/components/colors_panel.dart';
+import '../../../common/pages/stl_color_page.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Color> _colors = [
+    Colors.red, Colors.black, Colors.blue, Colors.green, Colors.orange,
+    Colors.pink, Colors.purple, Colors.indigo, Colors.amber, Colors.cyan,
+    Colors.redAccent, Colors.grey, Colors.blueAccent, Colors.greenAccent, Colors.orangeAccent,
+    Colors.pinkAccent, Colors.purpleAccent, Colors.indigoAccent, Colors.amberAccent, Colors.cyanAccent,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title:const Text('颜色主页')),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _toAddPage,
+        child: const Icon(Icons.add),
+      ),
+      body: ColorsPanel(
+        colors: _colors,
+        onSelect: _selectColor,
+      ),
+    );
+  }
+
+  void _selectColor(Color color){
+    Route route = MaterialPageRoute(builder: (ctx) => StlColorPage(color: color));
+    Navigator.of(context).push(route);
+  }
+
+  void _toAddPage() async {
+    Route<Color> route = MaterialPageRoute<Color>(builder: (ctx) => const ColorAddPage());
+    Color? color = await Navigator.of(context).push(route);
+    if (color != null) {
+      setState(() {
+        _colors.add(color);
+      });
+    }
+  }
+}

lib/06/01/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'pages/home_page.dart';
+
+
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home:  const HomePage(),
+    );
+  }
+}
+
+

lib/06/01/pages/color_add_page.dart

@@ -0,0 +1,67 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class ColorAddPage extends StatefulWidget {
+  const ColorAddPage({super.key});
+
+  @override
+  State<ColorAddPage> createState() => _ColorAddPageState();
+}
+
+class _ColorAddPageState extends State<ColorAddPage> {
+  late Color _color;
+
+  @override
+  void initState() {
+    super.initState();
+    _color = randomColor;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text = '# ${_color.value.toRadixString(16)}';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('添加颜色'),
+        actions: [IconButton(onPressed: _selectColor, icon: Icon(Icons.check ))],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0,vertical: 20),
+        child: Row(
+          children: [
+            Expanded(child: Text(text,style: TextStyle(color: _color,fontSize: 24,letterSpacing: 4),)),
+            Container(
+              margin: EdgeInsets.only(left: 10),
+              width: 40,
+              height: 40,
+              child: Icon(
+                Icons.sell_outlined,
+                color: Colors.white,
+              ),
+              decoration: BoxDecoration(
+                color: _color,
+                borderRadius: BorderRadius.circular(8),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Random _random = Random();
+
+  Color get randomColor {
+    return Color.fromARGB(
+      255,
+      _random.nextInt(256),
+      _random.nextInt(256),
+      _random.nextInt(256),
+    );
+  }
+
+  void _selectColor() {
+    Navigator.of(context).pop(_color);
+  }
+}

lib/06/01/pages/home_page.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'color_add_page.dart';
+
+import '../../../common/components/colors_panel.dart';
+import '../../../common/pages/stl_color_page.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Color> _colors = [
+    Colors.red, Colors.black, Colors.blue, Colors.green, Colors.orange,
+    Colors.pink, Colors.purple, Colors.indigo, Colors.amber, Colors.cyan,
+    Colors.redAccent, Colors.grey, Colors.blueAccent, Colors.greenAccent, Colors.orangeAccent,
+    Colors.pinkAccent, Colors.purpleAccent, Colors.indigoAccent, Colors.amberAccent, Colors.cyanAccent,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title:const Text('颜色主页')),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _toAddPage,
+        child: const Icon(Icons.add),
+      ),
+      body: ColorsPanel(
+        colors: _colors,
+        onSelect: _selectColor,
+      ),
+    );
+  }
+
+  void _selectColor(Color color){
+    Route route = MaterialPageRoute(builder: (ctx) => StlColorPage(color: color));
+    Navigator.of(context).push(route);
+  }
+
+  void _toAddPage() async {
+    Route<Color> route = MaterialPageRoute<Color>(builder: (ctx) => const ColorAddPage());
+    Color? color = await Navigator.of(context).push(route);
+    if (color != null) {
+      setState(() {
+        _colors.add(color);
+      });
+    }
+  }
+}

lib/06/02/main.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+import 'pages/page_b.dart';
+import 'pages/home_page.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      initialRoute: '/a/b',
+      onGenerateRoute: _onGenerateRoute,
+    );
+  }
+
+  Route? _onGenerateRoute(RouteSettings settings) {
+    String? name = settings.name;
+    Widget? page ;
+    if(name=='/'){
+      page = const HomePage();
+    }
+    if(name=='/a'){
+      page = const PageA();
+    }
+    if(name=='/a/b'){
+      page = const PageB();
+    }
+
+    if(page!=null){
+      return MaterialPageRoute(builder: (_)=> page!,settings: settings);
+    }
+    return null;
+  }
+}

lib/06/02/pages/home_page.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('主页面'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageA(context),
+          child: const Text('Push A'),
+        ),
+      ),
+    );
+  }
+
+  void toPageA(BuildContext context){
+    Navigator.of(context).pushNamed('/a');
+  }
+}

lib/06/02/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=> const PageB()));
+  }
+}

lib/06/02/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'home_page.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('回到主界面'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).popUntil(ModalRoute.withName('/'));
+  }
+}

lib/07/01/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      home:  const PageA(),
+    );
+  }
+}

lib/07/01/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=> const PageB()));
+  }
+}

lib/07/01/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'page_c.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('Push C'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=> const PageC()));
+  }
+}

lib/07/01/pages/page_c.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('C'),
+        backgroundColor: bgColor,
+      ),
+      body: const Center(
+        child: Text('到达终点'),
+      ),
+    );
+  }
+}

lib/07/节点介绍.txt

@@ -0,0 +1,2 @@
+01: 分析 push 方法。
+    A、B、C 三个界面跳转。

lib/08/01/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      home:  const PageA(),
+    );
+  }
+}

lib/08/01/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_)=> const PageB()));
+  }
+}

lib/08/01/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'page_c.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('Push C'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_)=> const PageC()));
+  }
+}

lib/08/01/pages/page_c.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('C'),
+        backgroundColor: bgColor,
+      ),
+      body: const Center(
+        child: Text('到达终点'),
+      ),
+    );
+  }
+}

lib/08/02/main.dart

@@ -0,0 +1,73 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+import 'pages/page_b.dart';
+import 'pages/page_c.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      home:  const HomePage(),
+      onUnknownRoute: _onUnknownRoute,
+    );
+  }
+
+  Route? _onUnknownRoute(RouteSettings settings) {
+    String? name = settings.name;
+    Widget? page ;
+    if(name=='/a'){
+      page = const PageA();
+    }
+    if(name=='/b'){
+      page = const PageB();
+    }
+    if(name=='/c'){
+      page = const PageC();
+    }
+    if(page!=null){
+      return MaterialPageRoute(builder: (_)=> page!,settings: settings);
+    }
+    return null;
+  }
+}
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('主页'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageA(context),
+          child: const Text('Push A'),
+        ),
+      ),
+    );
+  }
+
+  void toPageA(BuildContext context){
+    Navigator.of(context).pushNamed('/a');
+  }
+}

lib/08/02/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).pushNamed('/b');
+  }
+}

lib/08/02/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'page_c.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('Push C'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).pushNamed('/c');
+  }
+}

lib/08/02/pages/page_c.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+
+import 'page_d.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('C'),
+        backgroundColor: bgColor,
+      ),
+      body:  Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageD(context),
+          child: const Text('Push D Remove Until A'),
+        ),
+      ),
+    );
+  }
+
+  void toPageD(BuildContext context){
+    Navigator.of(context).pushAndRemoveUntil(
+      MaterialPageRoute<void>(builder: (BuildContext context) => const PageD()),
+      ModalRoute.withName('/a'),
+    );
+  }
+}
+
+
+

lib/08/02/pages/page_d.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:iroute/06/02/pages/page_a.dart';
+
+class PageD extends StatelessWidget {
+  const PageD({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFCCFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('D'),
+        backgroundColor: bgColor,
+      ),
+      body:  Center(
+        child: const Text('到达终点'),
+      ),
+    );
+  }
+}

lib/08/节点介绍.txt

@@ -0,0 +1,5 @@
+01: 分析 pushReplacement 方法。
+    A、B、C 三个界面跳转。
+
+02: 分析 pushAndRemoveUntil 方法。
+        A、B、C、D 四个界面跳转。

lib/09/01/main.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      home:  const PageA(),
+    );
+  }
+}

lib/09/01/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=> const PageB()));
+  }
+}

lib/09/01/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'page_c.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('Push C'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).push(MaterialPageRoute(builder: (_)=> const PageC()));
+  }
+}

lib/09/01/pages/page_c.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('C'),
+        backgroundColor: bgColor,
+        leading: BackButton(
+          onPressed: (){
+            Navigator.of(context).pop();
+          },
+        ),
+      ),
+      body: const Center(
+        child: Text('到达终点'),
+      ),
+    );
+  }
+}

lib/09/02/main.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+
+import 'pages/page_a.dart';
+import 'pages/page_b.dart';
+import 'pages/page_c.dart';
+import 'pages/home_page.dart';
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        appBarTheme: AppBarTheme(
+          elevation: 0,
+          iconTheme: IconThemeData(color: Colors.black),
+          titleTextStyle: TextStyle(color: Colors.black,fontSize: 18,fontWeight: FontWeight.bold)
+        )
+      ),
+      onUnknownRoute: _onUnknownRoute,
+    );
+  }
+
+  Route? _onUnknownRoute(RouteSettings settings) {
+    String? name = settings.name;
+    Widget? page ;
+    if(name=='/'){
+      page = const HomePage();
+    }
+    if(name=='/a'){
+      page = const PageA();
+    }
+    if(name=='/b'){
+      page = const PageB();
+    }
+    if(name=='/c'){
+      page = const PageC();
+    }
+    if(page!=null){
+      return MaterialPageRoute(builder: (_)=> page!,settings: settings);
+    }
+    return null;
+  }
+}

lib/09/02/pages/home_page.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:iroute/06/02/pages/page_a.dart';
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFCCFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('起点'),
+        backgroundColor: bgColor,
+      ),
+      body:  Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageA(context),
+          child: const Text('Push A'),
+        ),
+      ),
+    );
+  }
+
+  void toPageA(BuildContext context){
+    Navigator.of(context).pushNamed('/a');
+  }
+}

lib/09/02/pages/page_a.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'page_b.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('A'),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageB(context),
+          child: const Text('Push B'),
+        ),
+      ),
+    );
+  }
+
+  void toPageB(BuildContext context){
+    Navigator.of(context).pushNamed('/b');
+  }
+}

lib/09/02/pages/page_b.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'page_c.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(title: const Text('B',),
+        backgroundColor: bgColor,
+      ),
+      body: Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageC(context),
+          child: const Text('Push C'),
+        ),
+      ),
+    );
+  }
+
+  void toPageC(BuildContext context){
+    Navigator.of(context).pushNamed('/c');
+  }
+}

lib/09/02/pages/page_c.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CD);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+      appBar: AppBar(
+        title: const Text('C'),
+        backgroundColor: bgColor,
+      ),
+      body:  Center(
+        child: ElevatedButton(
+          onPressed: ()=>toPageD(context),
+          child: const Text('pop Until A'),
+        ),
+      ),
+    );
+  }
+
+  void toPageD(BuildContext context){
+    Navigator.of(context).popUntil(
+        ModalRoute.withName('/a')
+    );
+  }
+}
+
+
+

lib/09/节点介绍.txt

@@ -0,0 +1,4 @@
+01: 分析 pop 方法。
+    A、B、C 三个界面跳转。
+
+02: 分析 popUntil 方法。

lib/10/app_info.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+
+class AppInfo extends StatelessWidget {
+  const AppInfo({super.key});
+
+  @override
+  Widget build(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。 ';
+    const String msg2 = '由张风捷特烈维护，开源地址:\n https://github.com/toly1994328/FlutterUnit ';
+
+    double height = MediaQuery.of(context).size.height;
+    return SizedBox(
+      height: height*(1-0.618),
+      child: Column(
+        children: [
+          AppBar(
+            backgroundColor: Colors.transparent,
+            automaticallyImplyLeading: false,
+            centerTitle: true,
+            leading: Align(child: FlutterLogo()),
+            actions: [
+              CloseButton()
+            ],
+            title: Column(
+              children: [
+                Text('FlutterUnit',style: TextStyle(fontSize: 16,fontWeight: FontWeight.bold)),
+                Text('v2.9.3',style: TextStyle(fontSize: 12,),),
+              ],
+            ),),
+          const Padding(
+            padding: EdgeInsets.symmetric(horizontal: 20.0,vertical: 10),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              // direction: Axis.vertical,
+              children: [
+                Text(msg,style: TextStyle(color: Colors.grey),),
+                const SizedBox(height: 8,),
+                Text(msg2,style: TextStyle(color: Colors.grey),),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/10/cupertino_context_menu_demo.dart

@@ -0,0 +1,107 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+/// Flutter code sample for [CupertinoContextMenu].
+
+final DecorationTween _tween = DecorationTween(
+  begin: BoxDecoration(
+    color: CupertinoColors.systemPurple,
+    boxShadow: const <BoxShadow>[],
+    borderRadius: BorderRadius.circular(20.0),
+  ),
+  end: BoxDecoration(
+    color: CupertinoColors.systemPurple,
+    boxShadow: CupertinoContextMenu.kEndBoxShadow,
+    borderRadius: BorderRadius.circular(20.0),
+  ),
+);
+
+class CupertinoContextMenuDemo extends StatelessWidget {
+  const CupertinoContextMenuDemo({super.key});
+
+  // Or just do this inline in the builder below?
+  static Animation<Decoration> _boxDecorationAnimation(
+      Animation<double> animation) {
+    return _tween.animate(
+      CurvedAnimation(
+        parent: animation,
+        curve: Interval(
+          0.0,
+          CupertinoContextMenu.animationOpensAt,
+        ),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: const CupertinoNavigationBar(
+        middle: Text('CupertinoContextMenu 案例'),
+      ),
+      child: Center(
+        child: SizedBox(
+          width: 100,
+          height: 100,
+          child: CupertinoContextMenu.builder(
+            actions: <Widget>[
+              CupertinoContextMenuAction(
+                onPressed: () {
+                  Navigator.pop(context);
+                },
+                isDefaultAction: true,
+                trailingIcon: CupertinoIcons.doc_on_clipboard_fill,
+                child: const Text('Copy'),
+              ),
+              CupertinoContextMenuAction(
+                onPressed: () {
+                  Navigator.pop(context);
+                },
+                trailingIcon: CupertinoIcons.share,
+                child: const Text('Share'),
+              ),
+              CupertinoContextMenuAction(
+                onPressed: () {
+                  Navigator.pop(context);
+                },
+                trailingIcon: CupertinoIcons.heart,
+                child: const Text('Favorite'),
+              ),
+              CupertinoContextMenuAction(
+                onPressed: () {
+                  Navigator.pop(context);
+                },
+                isDestructiveAction: true,
+                trailingIcon: CupertinoIcons.delete,
+                child: const Text('Delete'),
+              ),
+            ],
+            builder: (BuildContext context, Animation<double> animation) {
+              final Animation<Decoration> boxDecorationAnimation =
+                  _boxDecorationAnimation(animation);
+
+              return Container(
+                decoration:
+                    animation.value < CupertinoContextMenu.animationOpensAt
+                        ? boxDecorationAnimation.value
+                        : null,
+                child: Container(
+                  padding: EdgeInsets.all(20),
+                  decoration: BoxDecoration(
+                    color: CupertinoColors.systemPurple,
+                    borderRadius: BorderRadius.circular(20.0),
+                  ),
+                  child: const FlutterLogo(size: 250.0),
+                ),
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/10/dropdown_button_color.dart

@@ -0,0 +1,83 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+/// Flutter code sample for [DropdownButton.selectedItemBuilder].
+
+const Map<String, Color> kColors = <String, Color>{
+  '红色': Colors.red,
+  '黄色': Colors.yellowAccent,
+  '蓝色': Colors.blue,
+  '绿色': Colors.greenAccent,
+  '橙色': Colors.orange,
+  '紫色': Colors.purple,
+};
+
+class DropdownButtonColor extends StatefulWidget {
+  const DropdownButtonColor({super.key});
+
+  @override
+  State<DropdownButtonColor> createState() => _DropdownButtonColorState();
+}
+
+class _DropdownButtonColorState extends State<DropdownButtonColor> {
+  String selectedItem = kColors.keys.first;
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: <Widget>[
+        Text('选择颜色:', style: Theme.of(context).textTheme.bodyLarge),
+        Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 8.0),
+          child: DropdownButton<String>(
+            value: selectedItem,
+            onChanged: (String? value) {
+              setState(() => selectedItem = value!);
+            },
+            selectedItemBuilder: _buildSelectItem,
+            items: _buildItems(),
+          ),
+        ),
+      ],
+    );
+  }
+
+  List<DropdownMenuItem<String>> _buildItems(){
+   return kColors.keys.map<DropdownMenuItem<String>>((String key) {
+      return DropdownMenuItem<String>(
+        value: key,
+        child: Wrap(
+          spacing: 4,
+          crossAxisAlignment: WrapCrossAlignment.center,
+          children: [
+            Container(
+              width: 14,
+              height: 14,
+              decoration: BoxDecoration(
+                  color: kColors[key],
+                  borderRadius: BorderRadius.circular(2)),
+            ),
+            Text(key),
+          ],
+        ),
+      );
+    }).toList();
+  }
+
+  List<Widget> _buildSelectItem(BuildContext context) {
+      return kColors.values.map<Widget>((Color color) {
+        return Align(
+          child: Container(
+            decoration: BoxDecoration(
+                color: color,
+                borderRadius: BorderRadius.circular(2)),
+            constraints: const BoxConstraints(minWidth: 24,maxHeight: 24),
+          ),
+        );
+      }).toList();
+  }
+}

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()));
+  }
+}

lib/10/more_pop_icon.dart

@@ -0,0 +1,58 @@
+import 'package:flutter/material.dart';
+
+enum MenuAction implements Comparable<MenuAction> {
+  setting(label: '应用设置', iconData: Icons.settings),
+  about(label: '关于应用', iconData: Icons.info),
+  help(label: '帮助中心', iconData: Icons.help);
+
+  final String label;
+  final IconData iconData;
+
+  const MenuAction({
+    required this.label,
+    required this.iconData,
+  });
+
+  @override
+  int compareTo(MenuAction other) => label.compareTo(other.label);
+
+  bool operator >(MenuAction other) {
+    return compareTo(other) > 0;
+  }
+}
+
+class MorePopIcon extends StatelessWidget {
+  final ValueChanged<MenuAction> onTapItem;
+  const MorePopIcon({super.key, required this.onTapItem});
+
+  @override
+  Widget build(BuildContext context) {
+    return PopupMenuButton<MenuAction>(
+      itemBuilder: _buildItem,
+      onSelected: onTapItem,
+      icon: const Icon(Icons.more_vert_outlined),
+      position: PopupMenuPosition.under,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.all(Radius.circular(10)),
+      ),
+    );
+  }
+
+  List<PopupMenuEntry<MenuAction>> _buildItem(BuildContext context) {
+    return MenuAction.values
+        .map((MenuAction action) => PopupMenuItem<MenuAction>(
+              height: 35,
+              value: action,
+              child: Center(
+                  child: Wrap(
+                crossAxisAlignment: WrapCrossAlignment.center,
+                spacing: 6,
+                children: [
+                  Text(action.label),
+                  Icon(action.iconData, size: 18),
+                ],
+              )),
+            ))
+        .toList();
+  }
+}

lib/10/search_anchor_demo.dart

@@ -0,0 +1,162 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+class SearchAnchorDemo extends StatefulWidget {
+  const SearchAnchorDemo({super.key});
+
+  @override
+  State<SearchAnchorDemo> createState() => _SearchAnchorDemoState();
+}
+
+class _SearchAnchorDemoState extends State<SearchAnchorDemo> {
+  Color? selectedColorSeed;
+  List<ColorLabel> searchHistory = <ColorLabel>[];
+
+  Iterable<Widget> getHistoryList(SearchController controller) {
+    return searchHistory.map(
+      (ColorLabel color) => ListTile(
+        leading: const Icon(Icons.history),
+        title: Text(color.label),
+        trailing: IconButton(
+          icon: const Icon(Icons.call_missed),
+          onPressed: () {
+            controller.text = color.label;
+            controller.selection = TextSelection.collapsed(offset: controller.text.length);
+          },
+        ),
+      ),
+    );
+  }
+
+  Iterable<Widget> getSuggestions(SearchController controller) {
+    final String input = controller.value.text;
+    return ColorLabel.values.where((ColorLabel color) => color.label.contains(input)).map(
+          (ColorLabel filteredColor) => ListTile(
+            leading: CircleAvatar(backgroundColor: filteredColor.color),
+            title: Text(filteredColor.label),
+            trailing: IconButton(
+              icon: const Icon(Icons.call_missed),
+              onPressed: () {
+                controller.text = filteredColor.label;
+                controller.selection = TextSelection.collapsed(offset: controller.text.length);
+              },
+            ),
+            onTap: () {
+              controller.closeView(filteredColor.label);
+              handleSelection(filteredColor);
+            },
+          ),
+        );
+  }
+
+  void handleSelection(ColorLabel selectedColor) {
+    setState(() {
+      selectedColorSeed = selectedColor.color;
+      if (searchHistory.length >= 5) {
+        searchHistory.removeLast();
+      }
+      searchHistory.insert(0, selectedColor);
+    });
+  }
+
+  Map<String,Color> colorMaps(ColorScheme colors) => {
+    'primary':colors.primary ,
+    'secondary':colors.secondary ,
+    'inverseSurface':colors.inverseSurface ,
+    'background':colors.background ,
+
+
+    'onPrimaryContainer':colors.onPrimaryContainer ,
+    'onErrorContainer':colors.onErrorContainer ,
+    'onBackground':colors.onBackground ,
+    'onTertiaryContainer':colors.onTertiaryContainer ,
+
+
+    'error':colors.error ,
+    'inversePrimary':colors.inversePrimary ,
+    'primaryContainer':colors.primaryContainer ,
+    'errorContainer':colors.errorContainer ,
+
+    'onPrimary':colors.onPrimary ,
+    'onSecondary':colors.onSecondary ,
+    'onError':colors.onError ,
+    'onTertiary':colors.onTertiary ,
+    'onSurfaceVariant':colors.onSurfaceVariant ,
+    'shadow':colors.shadow ,
+  };
+
+
+
+  @override
+  Widget build(BuildContext context) {
+    final ThemeData themeData = ThemeData(useMaterial3: true, colorSchemeSeed: selectedColorSeed);
+    final ColorScheme colors = themeData.colorScheme;
+    Map<String,Color> data = colorMaps(colors);
+    SizedBox cardSize = const SizedBox(
+      width: 80,
+      height: 30,
+      child: Text(''),
+    );
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('搜索颜色')),
+      body: Align(
+        alignment: Alignment.topCenter,
+        child: Column(
+          children: <Widget>[
+            SearchAnchor.bar(
+              barHintText: '输入颜色',
+              suggestionsBuilder: (BuildContext context, SearchController controller) {
+                if (controller.text.isEmpty) {
+                  if (searchHistory.isNotEmpty) {
+                    return getHistoryList(controller);
+                  }
+                  return <Widget>[Center(child: Text('暂无历史记录.', style: TextStyle(color: colors.outline)))];
+                }
+                return getSuggestions(controller);
+              },
+            ),
+            cardSize,
+            Wrap(
+              children: data.keys.map((key) => Card(color: data[key], child: SizedBox(
+                width: 80,
+                height: 30,
+                child: Center(child: Text(key,style: TextStyle(fontSize: 8,color: Colors.white,shadows: [
+                  BoxShadow(color: Colors.black,offset: Offset(.1,.1),blurRadius: 2)
+                ]),)),
+              ))).toList(),
+            ),
+
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+
+enum ColorLabel {
+  red('red', Colors.red),
+  orange('orange', Colors.orange),
+  yellow('yellow', Colors.yellow),
+  green('green', Colors.green),
+  blue('blue', Colors.blue),
+  indigo('indigo', Colors.indigo),
+  violet('violet', Color(0xFF8F00FF)),
+  purple('purple', Colors.purple),
+  pink('pink', Colors.pink),
+  silver('silver', Color(0xFF808080)),
+  gold('gold', Color(0xFFFFD700)),
+  beige('beige', Color(0xFFF5F5DC)),
+  brown('brown', Colors.brown),
+  grey('grey', Colors.grey),
+  black('black', Colors.black),
+  white('white', Colors.white);
+
+  const ColorLabel(this.label, this.color);
+  final String label;
+  final Color color;
+}

lib/10/节点介绍.txt

@@ -0,0 +1,5 @@
+app_info.dart: 弹出对话框界面
+cupertino_context_menu_demo.dart: 弹出 CupertinoContextMenu
+dropdown_button_color.dart: 弹出 DropdownButton
+more_pop_icon.dart: 弹出 PopupMenuButton
+search_anchor_demo.dart: 弹出 SearchAnchor

lib/11/color_detail.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+
+class ColorDetailPage extends StatelessWidget {
+  final Color color;
+  const ColorDetailPage({super.key, required this.color});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: color,
+      appBar: AppBar(
+        centerTitle: true,
+        iconTheme: IconThemeData(color: Colors.white),
+        titleTextStyle: TextStyle(color: Colors.white,fontSize: 16,fontWeight: FontWeight.bold),
+        backgroundColor: color,
+        title: Text('颜色详情页'),
+      ),
+      body: Center(
+        child: Text(   '#${color.value.toRadixString(16)}',style: TextStyle(color: Colors.white,fontSize: 26,fontWeight: FontWeight.bold),),
+      ),
+    );
+  }
+}
+

lib/11/color_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:go_router/go_router.dart';
+import '../common/components/colors_panel.dart';
-import 'package:iroute/components/project/colors_panel.dart';
+import 'color_detail.dart';
+import 'transition.dart';
 
 class ColorPage extends StatefulWidget {
   const ColorPage({super.key});
@@ -33,49 +34,33 @@ class _ColorPageState extends State<ColorPage> {
     Colors.cyanAccent,
   ];
 
-  @override
-  void initState() {
-    print('======_ColorPageState#initState==============');
-    super.initState();
-  }
-
-  @override
-  void dispose() {
-    print('======_ColorPageState#dispose==============');
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      // appBar: AppBar(title:const Text('颜色主页')),
+      appBar: AppBar(title: const Text('颜色主页')),
       floatingActionButton: FloatingActionButton(
         onPressed: _toAddPage,
         child: const Icon(Icons.add),
       ),
-      body: Align(
+      body: ColorsPanel(
-        alignment: Alignment.topCenter,
+        colors: _colors,
-        child: ColorsPanel(
+        onSelect: _selectColor,
-          colors: _colors,
-          onSelect: _selectColor,
-        ),
       ),
     );
   }
 
   void _selectColor(Color color) {
-    String value = color.value.toRadixString(16);
+    Route route = PageRouteBuilder<void>(
-    context.push('/color/detail?color=$value');
+      barrierColor: Colors.white,
-    // GoRouter.of(context) .pushNamed('colorDetail', queryParameters: {'color': value});
+      pageBuilder: (_, __, ___) => ColorDetailPage(color:color),
+      transitionsBuilder: kSlideBottomToTopWithSecondary,
+    );
+    Navigator.push(context, route);
+    // Navigator.push(
+    //     context,
+    //     MaterialPageRoute(builder: (_)=>ColorDetailPage(color:color)));
   }
 
-  void _toAddPage() async {
+  void _toAddPage() {
-    Color? color = await context.push('/color/add');
-
-    if (color != null) {
-      setState(() {
-        _colors.add(color);
-      });
-    }
   }
 }

lib/11/main.dart

@@ -0,0 +1,72 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:iroute/11/transition.dart';
+
+import 'color_page.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("Cose 酷色"),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            ElevatedButton(
+              onPressed: _toColorHome,
+              child: Text('打开颜色界面'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _toColorHome() {
+    Route route = PageRouteBuilder<void>(
+      barrierColor: Colors.white,
+      pageBuilder: (_, __, ___) => const ColorPage(),
+      transitionsBuilder: kSlideBottomToTopWithSecondary,
+    );
+    Navigator.push(context, route);
+    // Navigator.pushReplacement(context, route);
+
+  }
+}

lib/11/transition.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+
+RouteTransitionsBuilder kSlideBottomToTopWithSecondary = (
+  BuildContext context,
+  Animation<double> animation,
+  Animation<double> secondaryAnimation,
+  Widget child,
+) {
+  return SlideTransition(
+    position: Tween<Offset>(
+      begin: const Offset(0.0, 1.0),
+      end: Offset.zero,
+    ).animate(animation),
+    child: SlideTransition(
+      position: Tween<Offset>(
+        begin: Offset.zero,
+        end: const Offset(0.0, 1.0),
+      ).animate(secondaryAnimation),
+      child: child,
+    ),
+  );
+};

lib/11/节点介绍.txt

@@ -0,0 +1 @@
+路由第二动画控制器效果演示

lib/14/01/main.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+import 'pages/app/app.dart';
+
+
+void main() {
+  runApp(const App());
+}
+
+
+
+

lib/14/01/pages/app/app.dart

@@ -1,16 +1,15 @@
 import 'package:flutter/material.dart';
-import 'navigation/views/app_navigation.dart';
 
-class UnitApp extends StatelessWidget {
+import 'app_navigation.dart';
-  const UnitApp({super.key});
+import 'app_tool_bar.dart';
+
+class App extends StatelessWidget {
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {
-
     return MaterialApp(
         theme: ThemeData(
-            scaffoldBackgroundColor: Colors.white,
-          fontFamily: "宋体",
             appBarTheme: const AppBarTheme(
                 elevation: 0,
                 iconTheme: IconThemeData(color: Colors.black),
@@ -20,8 +19,10 @@ class UnitApp extends StatelessWidget {
                   fontWeight: FontWeight.bold,
                 ))),
         debugShowCheckedModeBanner: false,
-        home: AppNavigation());
+        home: const Scaffold(
+          appBar: AppToolBar(),
+          body: AppNavigation(),
+        ));
   }
 }
 
-

lib/14/01/pages/app/app_navigation.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import '../page_a.dart';
+import '../page_b.dart';
+import '../page_c.dart';
+import '../home_page.dart';
+
+ValueNotifier<List<String>> router = ValueNotifier(['/']);
+
+class AppNavigation extends StatefulWidget {
+  const AppNavigation({super.key});
+
+  @override
+  State<AppNavigation> createState() => _AppNavigationState();
+}
+
+class _AppNavigationState extends State<AppNavigation> {
+
+
+  @override
+  void dispose() {
+    router.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+      valueListenable: router,
+      builder: (_, List<String> value, __) => buildNavigatorByConfig(value),
+    );
+  }
+
+  final Map<String, Page> _pageMap = const {
+    '/': MaterialPage(child: HomePage()),
+    'a': MaterialPage(child: PageA()),
+    'b': MaterialPage(child: PageB()),
+    'c': MaterialPage(child: PageC()),
+  };
+
+  Widget buildNavigatorByConfig(List<String> value) {
+    return Navigator(
+      onPopPage: _onPopPage,
+      pages: router.value.map((e) => _pageMap[e]!).toList(),
+    );
+  }
+
+  bool _onPopPage(Route route, result) {
+    return route.didPop(result);
+  }
+}

lib/14/01/pages/app/app_tool_bar.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'app_navigation.dart';
+
+class AppToolBar extends StatefulWidget implements PreferredSizeWidget{
+  const AppToolBar({super.key});
+
+  @override
+  State<AppToolBar> createState() => _AppToolBarState();
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}
+
+class _AppToolBarState extends State<AppToolBar> {
+
+  TextEditingController _ctrl = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _changRoute();
+    router.addListener(_changRoute);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_changRoute);
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  void _changRoute() {
+    _ctrl.text=router.value.join(',');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return AppBar(
+      backgroundColor: Colors.white,
+      elevation: 0,
+      title : TextField(
+        controller: _ctrl,
+        onSubmitted: _onSubmitted,
+        decoration: InputDecoration( //装饰
+            filled: true, //填充
+            fillColor: Color(0xffF3F6F9), //填充颜色
+            constraints: BoxConstraints(maxHeight: 34), //约束信息
+            contentPadding: EdgeInsets.only(top: -14,left: 10),
+            border: UnderlineInputBorder( //边线信息
+              borderSide: BorderSide.none,
+              borderRadius: BorderRadius.all(Radius.circular(6)),
+            ),
+            hintText: "请输入路由", //提示字
+            hintStyle: TextStyle(fontSize: 14) //提示字样式
+        ),
+      ),
+    );
+  }
+
+  void _onSubmitted(String value) {
+    router.value = value.split(',');
+  }
+}

lib/14/01/pages/home_page.dart

@@ -0,0 +1,29 @@
+
+import 'package:flutter/material.dart';
+
+import 'app/app_navigation.dart';
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFCC);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('主页起点'),
+          backgroundColor: bgColor,
+        ),
+      body: Center(child: ElevatedButton(
+        onPressed: () => toPageA(context),
+        child: const Text('Push A'),
+      ),
+    ));
+  }
+
+  void toPageA(BuildContext context) {
+    router.value = ['/', 'a'];
+  }
+}

lib/14/01/pages/page_a.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'app/app_navigation.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('A 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(onPressed: _pop),
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageB(context),
+            child: const Text('Push B'),
+          ),
+        ));
+  }
+
+  void toPageB(BuildContext context) {
+    router.value = ['/', 'a', 'b'];
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/14/01/pages/page_b.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+
+import 'app/app_navigation.dart';
+
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('B 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(
+            onPressed: _pop,
+          ),
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageC(context),
+            child: const Text('Push C'),
+          ),
+        ));
+  }
+
+
+  void toPageC(BuildContext context){
+    router.value = ['/','a','b','c'];
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/14/01/pages/page_c.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import 'app/app_navigation.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CC);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('C 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(onPressed: _pop),
+        ),
+        body: Center(
+          child: Text('到达终点'),
+        ));
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/14/节点介绍.txt

@@ -0,0 +1 @@
+01: Navigator#page 的使用测试

lib/15/01/main.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+import 'pages/app/app.dart';
+import 'pages/app/app_router_delegate.dart';
+
+
+AppRouterDelegate router = AppRouterDelegate();
+
+void main() {
+  runApp(const App());
+}
+
+
+
+

lib/15/01/pages/app/app.dart

@@ -1,18 +1,16 @@
 import 'package:flutter/material.dart';
-import 'navigation/router/app_router_delegate.dart';
-import 'navigation/views/app_navigation.dart';
-import 'navigation/views/app_navigation_rail.dart';
 
-class UnitApp extends StatelessWidget {
+
-  const UnitApp({super.key});
+import '../../main.dart';
+import 'app_tool_bar.dart';
+
+class App extends StatelessWidget {
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {
-
     return MaterialApp(
         theme: ThemeData(
-          fontFamily: "宋体",
-            scaffoldBackgroundColor: Colors.white,
             appBarTheme: const AppBarTheme(
                 elevation: 0,
                 iconTheme: IconThemeData(color: Colors.black),
@@ -22,9 +20,10 @@ class UnitApp extends StatelessWidget {
                   fontWeight: FontWeight.bold,
                 ))),
         debugShowCheckedModeBanner: false,
-        home: AppNavigation()
+        home:  Scaffold(
-    );
+          appBar: const AppToolBar(),
+          body: Router(routerDelegate: router),
+        ));
   }
 }
 
-

lib/15/01/pages/app/app_router_delegate.dart

@@ -0,0 +1,92 @@
+import 'dart:ffi';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import '../page_a.dart';
+import '../page_b.dart';
+import '../page_c.dart';
+import '../home_page.dart';
+
+class AppRouterDelegate extends RouterDelegate<Object> with ChangeNotifier{
+
+  List<String> _value = ['/'];
+
+  List<String> get value => _value;
+
+  set value(List<String> value){
+    _value = value;
+    notifyListeners();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Navigator(
+      onPopPage: _onPopPage,
+      pages: _value.map((e) => _pageMap[e]!).toList(),
+    );
+  }
+
+  final Map<String, Page> _pageMap = const {
+    '/': MaterialPage(child: HomePage()),
+    'a': MaterialPage(child: PageA()),
+    'b': MaterialPage(child: PageB()),
+    'c': MaterialPage(child: PageC()),
+  };
+
+  @override
+  Future<bool> popRoute() async{
+    print('=======popRoute=========');
+    return true;
+  }
+
+  bool _onPopPage(Route route, result) {
+    return route.didPop(result);
+  }
+
+  @override
+  Future<void> setNewRoutePath(configuration) async{
+
+  }
+
+}
+
+// class AppRouterDelegate extends RouterDelegate<String> with ChangeNotifier, PopNavigatorRouterDelegateMixin {
+//
+//   List<String> _value = ['/'];
+//
+//
+//   List<String> get value => _value;
+//
+//   set value(List<String> value){
+//     _value = value;
+//     notifyListeners();
+//   }
+//
+//   @override
+//   Widget build(BuildContext context) {
+//     return Navigator(
+//       onPopPage: _onPopPage,
+//       pages: _value.map((e) => _pageMap[e]!).toList(),
+//     );
+//   }
+//
+//   final Map<String, Page> _pageMap = const {
+//     '/': MaterialPage(child: HomePage()),
+//     'a': MaterialPage(child: PageA()),
+//     'b': MaterialPage(child: PageB()),
+//     'c': MaterialPage(child: PageC()),
+//   };
+//
+//   bool _onPopPage(Route route, result) {
+//     _value = List.of(_value)..removeLast();
+//     notifyListeners();
+//     return route.didPop(result);
+//   }
+//
+//   @override
+//   GlobalKey<NavigatorState>? navigatorKey = GlobalKey<NavigatorState>();
+//
+//   @override
+//   Future<void> setNewRoutePath(String configuration) async{
+//   }
+// }

lib/15/01/pages/app/app_tool_bar.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import '../../main.dart';
+
+class AppToolBar extends StatefulWidget implements PreferredSizeWidget{
+  const AppToolBar({super.key});
+
+  @override
+  State<AppToolBar> createState() => _AppToolBarState();
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}
+
+class _AppToolBarState extends State<AppToolBar> {
+
+  TextEditingController _ctrl = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _changRoute();
+    router.addListener(_changRoute);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_changRoute);
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  void _changRoute() {
+    _ctrl.text= router.value.join(',');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return AppBar(
+      backgroundColor: Colors.white,
+      elevation: 0,
+      title : TextField(
+        controller: _ctrl,
+        onSubmitted: _onSubmitted,
+        decoration: InputDecoration( //装饰
+            filled: true, //填充
+            fillColor: Color(0xffF3F6F9), //填充颜色
+            constraints: BoxConstraints(maxHeight: 34), //约束信息
+            contentPadding: EdgeInsets.only(top: -14,left: 10),
+            border: UnderlineInputBorder( //边线信息
+              borderSide: BorderSide.none,
+              borderRadius: BorderRadius.all(Radius.circular(6)),
+            ),
+            hintText: "请输入路由", //提示字
+            hintStyle: TextStyle(fontSize: 14) //提示字样式
+        ),
+      ),
+    );
+  }
+
+  void _onSubmitted(String value) {
+    router.value = value.split(',');
+  }
+}

lib/15/01/pages/home_page.dart

@@ -0,0 +1,30 @@
+
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFCC);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('主页起点'),
+          backgroundColor: bgColor,
+        ),
+      body: Center(child: ElevatedButton(
+        onPressed: () => toPageA(context),
+        child: const Text('Push A'),
+      ),
+    ));
+  }
+
+  void toPageA(BuildContext context) {
+    router.value = ['/', 'a'];
+  }
+}

lib/15/01/pages/page_a.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import '../main.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('A 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(onPressed: _pop),
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageB(context),
+            child: const Text('Push B'),
+          ),
+        ));
+  }
+
+  void toPageB(BuildContext context) {
+    router.value = ['/', 'a', 'b'];
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/15/01/pages/page_b.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('B 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(onPressed: _pop),
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageC(context),
+            child: const Text('Push C'),
+          ),
+        ));
+  }
+
+  void toPageC(BuildContext context){
+    router.value = ['/','a','b','c'];
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/15/01/pages/page_c.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CC);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('C 界面'),
+          backgroundColor: bgColor,
+          leading: BackButton(onPressed: _pop),
+        ),
+        body: Center(
+          child: Text('到达终点'),
+        ));
+  }
+
+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
+}

lib/15/02/main.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'pages/app/app.dart';
+import 'pages/app/app_router_delegate.dart';
+
+
+AppRouterDelegate router = AppRouterDelegate();
+
+void main() {
+  runApp(const App());
+}
+
+
+

lib/15/02/pages/app/app.dart

@@ -1,18 +1,15 @@
 import 'package:flutter/material.dart';
-import 'navigation/router/app_router_delegate.dart';
-import 'navigation/views/app_navigation.dart';
-import 'navigation/views/app_navigation_rail.dart';
 
-class UnitApp extends StatelessWidget {
+import '../../main.dart';
-  const UnitApp({super.key});
+import 'app_tool_bar.dart';
+
+class App extends StatelessWidget {
+  const App({super.key});
 
   @override
   Widget build(BuildContext context) {
-
     return MaterialApp(
         theme: ThemeData(
-          fontFamily: "宋体",
-            scaffoldBackgroundColor: Colors.white,
             appBarTheme: const AppBarTheme(
                 elevation: 0,
                 iconTheme: IconThemeData(color: Colors.black),
@@ -22,9 +19,12 @@ class UnitApp extends StatelessWidget {
                   fontWeight: FontWeight.bold,
                 ))),
         debugShowCheckedModeBanner: false,
-        home: AppNavigation()
+        home: Scaffold(
-    );
+          appBar: const AppToolBar(),
+          body: Router(
+            routerDelegate: router,
+            backButtonDispatcher: RootBackButtonDispatcher(),
+          ),
+        ));
   }
 }
-
-

lib/15/02/pages/app/app_router_delegate.dart

@@ -0,0 +1,93 @@
+import 'dart:ffi';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import '../page_a.dart';
+import '../page_b.dart';
+import '../page_c.dart';
+import '../home_page.dart';
+
+class AppRouterDelegate extends RouterDelegate<Object> with ChangeNotifier{
+
+  List<String> _value = ['/'];
+
+  List<String> get value => _value;
+
+  set value(List<String> value){
+    _value = value;
+    notifyListeners();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Navigator(
+      onPopPage: _onPopPage,
+      pages: _value.map((e) => _pageMap[e]!).toList(),
+    );
+  }
+
+  final Map<String, Page> _pageMap = const {
+    '/': MaterialPage(child: HomePage()),
+    'a': MaterialPage(child: PageA()),
+    'b': MaterialPage(child: PageB()),
+    'c': MaterialPage(child: PageC()),
+  };
+
+  @override
+  Future<bool> popRoute() async{
+    print('=======popRoute=========');
+    return true;
+  }
+
+  bool _onPopPage(Route route, result) {
+    value = List.of(_value)..removeLast();
+    return route.didPop(result);
+  }
+
+  @override
+  Future<void> setNewRoutePath(configuration) async{
+
+  }
+
+}
+
+// class AppRouterDelegate extends RouterDelegate<String> with ChangeNotifier, PopNavigatorRouterDelegateMixin {
+//
+//   List<String> _value = ['/'];
+//
+//
+//   List<String> get value => _value;
+//
+//   set value(List<String> value){
+//     _value = value;
+//     notifyListeners();
+//   }
+//
+//   @override
+//   Widget build(BuildContext context) {
+//     return Navigator(
+//       onPopPage: _onPopPage,
+//       pages: _value.map((e) => _pageMap[e]!).toList(),
+//     );
+//   }
+//
+//   final Map<String, Page> _pageMap = const {
+//     '/': MaterialPage(child: HomePage()),
+//     'a': MaterialPage(child: PageA()),
+//     'b': MaterialPage(child: PageB()),
+//     'c': MaterialPage(child: PageC()),
+//   };
+//
+//   bool _onPopPage(Route route, result) {
+//     _value = List.of(_value)..removeLast();
+//     notifyListeners();
+//     return route.didPop(result);
+//   }
+//
+//   @override
+//   GlobalKey<NavigatorState>? navigatorKey = GlobalKey<NavigatorState>();
+//
+//   @override
+//   Future<void> setNewRoutePath(String configuration) async{
+//   }
+// }

lib/15/02/pages/app/app_tool_bar.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import '../../main.dart';
+
+class AppToolBar extends StatefulWidget implements PreferredSizeWidget{
+  const AppToolBar({super.key});
+
+  @override
+  State<AppToolBar> createState() => _AppToolBarState();
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}
+
+class _AppToolBarState extends State<AppToolBar> {
+
+  TextEditingController _ctrl = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _changRoute();
+    router.addListener(_changRoute);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_changRoute);
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  void _changRoute() {
+    _ctrl.text= router.value.join(',');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return AppBar(
+      backgroundColor: Colors.white,
+      elevation: 0,
+      title : TextField(
+        controller: _ctrl,
+        onSubmitted: _onSubmitted,
+        decoration: InputDecoration( //装饰
+            filled: true, //填充
+            fillColor: Color(0xffF3F6F9), //填充颜色
+            constraints: BoxConstraints(maxHeight: 34), //约束信息
+            contentPadding: EdgeInsets.only(top: -14,left: 10),
+            border: UnderlineInputBorder( //边线信息
+              borderSide: BorderSide.none,
+              borderRadius: BorderRadius.all(Radius.circular(6)),
+            ),
+            hintText: "请输入路由", //提示字
+            hintStyle: TextStyle(fontSize: 14) //提示字样式
+        ),
+      ),
+    );
+  }
+
+  void _onSubmitted(String value) {
+    router.value = value.split(',');
+  }
+}

lib/15/02/pages/home_page.dart

@@ -0,0 +1,30 @@
+
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+
+class HomePage extends StatelessWidget {
+  const HomePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFCC);
+
+    return Scaffold(
+      backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('主页起点'),
+          backgroundColor: bgColor,
+        ),
+      body: Center(child: ElevatedButton(
+        onPressed: () => toPageA(context),
+        child: const Text('Push A'),
+      ),
+    ));
+  }
+
+  void toPageA(BuildContext context) {
+    router.value = ['/', 'a'];
+  }
+}

lib/15/02/pages/page_a.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import '../main.dart';
+
+class PageA extends StatelessWidget {
+  const PageA({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCFFFF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('A 界面'),
+          backgroundColor: bgColor,
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageB(context),
+            child: const Text('Push B'),
+          ),
+        ));
+  }
+
+  void toPageB(BuildContext context) {
+    router.value = ['/', 'a', 'b'];
+  }
+
+}

lib/15/02/pages/page_b.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+class PageB extends StatelessWidget {
+  const PageB({super.key});
+
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffCCE5FF);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('B 界面'),
+          backgroundColor: bgColor,
+        ),
+        body: Center(
+          child: ElevatedButton(
+            onPressed: () => toPageC(context),
+            child: const Text('Push C'),
+          ),
+        ));
+  }
+
+  void toPageC(BuildContext context){
+    router.value = ['/','a','b','c'];
+  }
+}

lib/15/02/pages/page_c.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+
+import '../main.dart';
+
+class PageC extends StatelessWidget {
+  const PageC({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    const Color bgColor = Color(0xffFFE6CC);
+
+    return Scaffold(
+        backgroundColor: bgColor,
+        appBar: AppBar(
+          title: const Text('C 界面'),
+          backgroundColor: bgColor,
+        ),
+        body: Center(
+          child: Text('到达终点'),
+        ));
+  }
+
+}

lib/15/03/app/unit_app.dart

@@ -10,6 +10,7 @@ class UnitApp extends StatelessWidget {
 
     return MaterialApp(
         theme: ThemeData(
+          useMaterial3: false,
             appBarTheme: const AppBarTheme(
                 elevation: 0,
                 iconTheme: IconThemeData(color: Colors.black),

lib/15/03/main.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+
+import 'app/unit_app.dart';
+import 'app/navigation/app_router_delegate.dart';
+
+
+
+
+
+void main() {
+  runApp(const UnitApp());
+}
+
+
+
+

lib/15/03/pages/color/color_page.dart

@@ -1,5 +1,17 @@
 import 'package:flutter/material.dart';
-import 'package:iroute/components/project/colors_panel.dart';
+import 'package:iroute/common/components/colors_panel.dart';
+import 'package:iroute/common/pages/stl_color_page.dart';
+
+// class HomePage extends StatelessWidget {
+//   const HomePage({super.key});
+//
+//   @override
+//   Widget build(BuildContext context) {
+//     return Scaffold(
+//         body: const Center(child: Text('HomePage')));
+//   }
+// }
+
 
 class ColorPage extends StatefulWidget {
   const ColorPage({super.key});