import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(home: const TabsScreen());
  }
}

class TabsScreen extends StatelessWidget {
  const TabsScreen({super.key});

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
      length: 2,
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Вкладки'),
          bottom: const TabBar(
            tabs: [
              Tab(icon: Icon(Icons.home), text: 'Главная'),
              Tab(icon: Icon(Icons.settings), text: 'Настройки'),
            ],
          ),
        ),
        body: const TabBarView(
          children: [
            Center(child: Text('Содержимое главной')),
            Center(child: Text('Содержимое настроек')),
          ],
        ),
      ),
    );
  }
}