| 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 [showGeneralDialog]. |
| 8 | |
| 9 | void main() => runApp(const GeneralDialogApp()); |
| 10 | |
| 11 | class GeneralDialogApp extends StatelessWidget { |
| 12 | const GeneralDialogApp({super.key}); |
| 13 | |
| 14 | @override |
| 15 | Widget build(BuildContext context) { |
| 16 | return const MaterialApp(restorationScopeId: 'app', home: GeneralDialogExample()); |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | class GeneralDialogExample extends StatelessWidget { |
| 21 | const GeneralDialogExample({super.key}); |
| 22 | |
| 23 | @override |
| 24 | Widget build(BuildContext context) { |
| 25 | return Scaffold( |
| 26 | body: Center( |
| 27 | child: OutlinedButton( |
| 28 | onPressed: () { |
| 29 | /// This shows an alert dialog. |
| 30 | Navigator.of(context).restorablePush(_dialogBuilder); |
| 31 | }, |
| 32 | child: const Text('Open Dialog'), |
| 33 | ), |
| 34 | ), |
| 35 | ); |
| 36 | } |
| 37 | |
| 38 | @pragma('vm:entry-point') |
| 39 | static Route<Object?> _dialogBuilder(BuildContext context, Object? arguments) { |
| 40 | return RawDialogRoute<void>( |
| 41 | pageBuilder: ( |
| 42 | BuildContext context, |
| 43 | Animation<double> animation, |
| 44 | Animation<double> secondaryAnimation, |
| 45 | ) { |
| 46 | return const AlertDialog(title: Text('Alert!')); |
| 47 | }, |
| 48 | ); |
| 49 | } |
| 50 | } |
| 51 |