flutter/examples/api/lib/cupertino/tab_scaffold/cupertino_tab_scaffold.0.dart

// 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 CupertinoTabScaffold

import 'package:flutter/cupertino.dart';

void main() => runApp(const TabScaffoldApp());

class TabScaffoldApp extends StatelessWidget {
  const TabScaffoldApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const CupertinoApp(
      theme: CupertinoThemeData(brightness: Brightness.light),
      home: TabScaffoldExample(),
    );
  }
}

class TabScaffoldExample extends StatefulWidget {
  const TabScaffoldExample({Key? key}) : super(key: key);

  @override
  State<TabScaffoldExample> createState() => _TabScaffoldExampleState();
}

class _TabScaffoldExampleState extends State<TabScaffoldExample> {
  @override
  Widget build(BuildContext context) {
    return CupertinoTabScaffold(
      tabBar: CupertinoTabBar(
        items: const <BottomNavigationBarItem>[
          BottomNavigationBarItem(
            icon: Icon(CupertinoIcons.home),
            label: 'Home',
          ),
          BottomNavigationBarItem(
            icon: Icon(CupertinoIcons.search_circle_fill),
            label: 'Explore',
          ),
        ],
      ),
      tabBuilder: (BuildContext context, int index) {
        return CupertinoTabView(
          builder: (BuildContext context) {
            return CupertinoPageScaffold(
              navigationBar: CupertinoNavigationBar(
                middle: Text('Page 1 of tab $index'),
              ),
              child: Center(
                child: CupertinoButton(
                  child: const Text('Next page'),
                  onPressed: () {
                    Navigator.of(context).push(
                      CupertinoPageRoute<void>(
                        builder: (BuildContext context) {
                          return CupertinoPageScaffold(
                            navigationBar: CupertinoNavigationBar(
                              middle: Text('Page 2 of tab $index'),
                            ),
                            child: Center(
                              child: CupertinoButton(
                                child: const Text('Back'),
                                onPressed: () {
                                  Navigator.of(context).pop();
                                },
                              ),
                            ),
                          );
                        },
                      ),
                    );
                  },
                ),
              ),
            );
          },
        );
      },
    );
  }
}