| 1 | // Copyright 2014 The Flutter Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | import 'package:flutter/material.dart'; |
| 6 | |
| 7 | /// Flutter code sample for [Navigator.restorablePush]. |
| 8 | |
| 9 | void main() => runApp(const RestorablePushExampleApp()); |
| 10 | |
| 11 | class RestorablePushExampleApp extends StatelessWidget { |
| 12 | const RestorablePushExampleApp({super.key}); |
| 13 | |
| 14 | @override |
| 15 | Widget build(BuildContext context) { |
| 16 | return const RootRestorationScope( |
| 17 | restorationId: 'app' , |
| 18 | child: MaterialApp(restorationScopeId: 'app' , home: RestorablePushExample()), |
| 19 | ); |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | class RestorablePushExample extends StatefulWidget { |
| 24 | const RestorablePushExample({super.key}); |
| 25 | |
| 26 | @override |
| 27 | State<RestorablePushExample> createState() => _RestorablePushExampleState(); |
| 28 | } |
| 29 | |
| 30 | @pragma('vm:entry-point' ) |
| 31 | class _RestorablePushExampleState extends State<RestorablePushExample> { |
| 32 | @pragma('vm:entry-point' ) |
| 33 | static Route<void> _myRouteBuilder(BuildContext context, Object? arguments) { |
| 34 | return MaterialPageRoute<void>( |
| 35 | builder: (BuildContext context) => const RestorablePushExample(), |
| 36 | ); |
| 37 | } |
| 38 | |
| 39 | @override |
| 40 | Widget build(BuildContext context) { |
| 41 | return Scaffold( |
| 42 | appBar: AppBar(title: const Text('Sample Code' )), |
| 43 | floatingActionButton: FloatingActionButton( |
| 44 | onPressed: () => Navigator.restorablePush(context, _myRouteBuilder), |
| 45 | tooltip: 'Increment Counter' , |
| 46 | child: const Icon(Icons.add), |
| 47 | ), |
| 48 | ); |
| 49 | } |
| 50 | } |
| 51 | |