blob: 1288f12f6da854847308310e7e1d1fa57c3ae3b5 [file] [log] [blame]
// 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';
void main() => runApp(App());
/// The main app.
class App extends StatelessWidget {
/// Creates an [App].
App({Key? key}) : super(key: key);
/// The title of the app.
static const String title = 'GoRouter Example: Push';
@override
Widget build(BuildContext context) => MaterialApp.router(
routeInformationProvider: _router.routeInformationProvider,
routeInformationParser: _router.routeInformationParser,
routerDelegate: _router.routerDelegate,
title: title,
);
late final GoRouter _router = GoRouter(
routes: <GoRoute>[
GoRoute(
path: '/',
builder: (BuildContext context, GoRouterState state) =>
const Page1ScreenWithPush(),
),
GoRoute(
path: '/page2',
builder: (BuildContext context, GoRouterState state) =>
Page2ScreenWithPush(
int.parse(state.queryParams['push-count']!),
),
),
],
);
}
/// The screen of the first page.
class Page1ScreenWithPush extends StatelessWidget {
/// Creates a [Page1ScreenWithPush].
const Page1ScreenWithPush({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(title: const Text('${App.title}: page 1')),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
onPressed: () => context.push('/page2?push-count=1'),
child: const Text('Push page 2'),
),
],
),
),
);
}
/// The screen of the second page.
class Page2ScreenWithPush extends StatelessWidget {
/// Creates a [Page2ScreenWithPush].
const Page2ScreenWithPush(this.pushCount, {Key? key}) : super(key: key);
/// The push count.
final int pushCount;
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
title: Text('${App.title}: page 2 w/ push count $pushCount'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Padding(
padding: const EdgeInsets.all(8),
child: ElevatedButton(
onPressed: () => context.go('/'),
child: const Text('Go to home page'),
),
),
Padding(
padding: const EdgeInsets.all(8),
child: ElevatedButton(
onPressed: () => context.push(
'/page2?push-count=${pushCount + 1}',
),
child: const Text('Push page 2 (again)'),
),
),
],
),
),
);
}