Flutter — готовые виджеты — Боковое меню

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 MenuScreen());
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Меню')),
      drawer: Drawer(
        child: ListView(
          padding: EdgeInsets.zero,
          children: [
            const DrawerHeader(
              decoration: BoxDecoration(color: Colors.indigo),
              child: Align(
                alignment: Alignment.bottomLeft,
                child: Text(
                  'Моё приложение',
                  style: TextStyle(color: Colors.white, fontSize: 20),
                ),
              ),
            ),
            ListTile(
              leading: const Icon(Icons.home),
              title: const Text('Главная'),
              onTap: () => Navigator.pop(context),
            ),
            ListTile(
              leading: const Icon(Icons.settings),
              title: const Text('Настройки'),
              onTap: () {
                Navigator.pop(context);
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(content: Text('Раздел «Настройки»')),
                );
              },
            ),
          ],
        ),
      ),
      body: const Center(
        child: Text('Откройте меню ☰ слева в AppBar'),
      ),
    );
  }
}