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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{
+//   }
+// }