| // 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 NavBarApp()); |
| |
| class NavBarApp extends StatelessWidget { |
| const NavBarApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return const CupertinoApp( |
| theme: CupertinoThemeData(brightness: Brightness.light), |
| home: NavBarExample(), |
| ); |
| } |
| } |
| |
| class NavBarExample extends StatefulWidget { |
| const NavBarExample({super.key}); |
| |
| @override |
| State<NavBarExample> createState() => _NavBarExampleState(); |
| } |
| |
| class _NavBarExampleState extends State<NavBarExample> { |
| @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('CupertinoNavigationBar Sample'), |
| ), |
| 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), |
| ], |
| ), |
| ); |
| } |
| } |