| // Copyright 2014 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. |
| |
| // Flutter code sample for CupertinoNavigationBar |
| |
| import 'package:flutter/cupertino.dart'; |
| |
| void main() => runApp(const MyApp()); |
| |
| class MyApp extends StatelessWidget { |
| const MyApp({Key? key}) : super(key: key); |
| |
| static const String _title = 'Flutter Code Sample'; |
| |
| @override |
| Widget build(BuildContext context) { |
| return const CupertinoApp( |
| title: _title, |
| home: MyStatefulWidget(), |
| ); |
| } |
| } |
| |
| class MyStatefulWidget extends StatefulWidget { |
| const MyStatefulWidget({Key? key}) : super(key: key); |
| |
| @override |
| State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); |
| } |
| |
| class _MyStatefulWidgetState extends State<MyStatefulWidget> { |
| @override |
| Widget build(BuildContext context) { |
| return CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar( |
| // Try removing opacity to observe the lack of a blur effect and of sliding content. |
| backgroundColor: CupertinoColors.systemGrey.withOpacity(0.5), |
| middle: const Text('Sample Code'), |
| ), |
| child: Column( |
| children: <Widget>[ |
| Container(height: 50, color: CupertinoColors.systemRed), |
| Container(height: 50, color: CupertinoColors.systemGreen), |
| Container(height: 50, color: CupertinoColors.systemBlue), |
| Container(height: 50, color: CupertinoColors.systemYellow), |
| ], |
| ), |
| ); |
| } |
| } |