v5

2023-10-24 07:47:09 +08:00
parent 8a95ed4417
commit 0b3126182e
59 changed files with 6659 additions and 64 deletions
--- a/lib/go_router/examples/routing_config.dart
+++ b/lib/go_router/examples/routing_config.dart
@@ -0,0 +1,108 @@
+// Copyright 2013 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';
+import 'package:go_router/go_router.dart';
+
+/// This app shows how to dynamically add more route into routing config
+void main() => runApp(const MyApp());
+
+/// The main app.
+class MyApp extends StatefulWidget {
+  /// Constructs a [MyApp]
+  const MyApp({super.key});
+
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  bool isNewRouteAdded = false;
+
+  late final ValueNotifier<RoutingConfig> myConfig =
+      ValueNotifier<RoutingConfig>(_generateRoutingConfig());
+
+  late final GoRouter router = GoRouter.routingConfig(
+      routingConfig: myConfig,
+      errorBuilder: (_, GoRouterState state) => Scaffold(
+            appBar: AppBar(title: const Text('Page not found')),
+            body: Center(
+                child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                Text('${state.uri} does not exist'),
+                ElevatedButton(
+                    onPressed: () => router.go('/'),
+                    child: const Text('Go to home')),
+              ],
+            )),
+          ));
+
+  RoutingConfig _generateRoutingConfig() {
+    return RoutingConfig(
+      routes: <RouteBase>[
+        GoRoute(
+          path: '/',
+          builder: (_, __) {
+            return Scaffold(
+              appBar: AppBar(title: const Text('Home')),
+              body: Center(
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: <Widget>[
+                    ElevatedButton(
+                      onPressed: isNewRouteAdded
+                          ? null
+                          : () {
+                              setState(() {
+                                isNewRouteAdded = true;
+                                // Modify the routing config.
+                                myConfig.value = _generateRoutingConfig();
+                              });
+                            },
+                      child: isNewRouteAdded
+                          ? const Text('A route has been added')
+                          : const Text('Add a new route'),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        router.go('/new-route');
+                      },
+                      child: const Text('Try going to /new-route'),
+                    )
+                  ],
+                ),
+              ),
+            );
+          },
+        ),
+        if (isNewRouteAdded)
+          GoRoute(
+            path: '/new-route',
+            builder: (_, __) {
+              return Scaffold(
+                appBar: AppBar(title: const Text('A new Route')),
+                body: Center(
+                    child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: <Widget>[
+                    ElevatedButton(
+                        onPressed: () => router.go('/'),
+                        child: const Text('Go to home')),
+                  ],
+                )),
+              );
+            },
+          ),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp.router(
+      routerConfig: router,
+    );
+  }
+}