| // 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'; |
| |
| const ValueKey<String> backKey = ValueKey<String>('backKey'); |
| |
| class AboutPage extends StatelessWidget { |
| const AboutPage({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| leading: BackButton( |
| key: backKey, |
| onPressed: () => Navigator.of(context).pop(), |
| ), |
| ), |
| body: Center( |
| child: Text( |
| 'This is a sample app.', |
| style: Theme.of(context).textTheme.displaySmall, |
| ), |
| ), |
| ); |
| } |
| } |