//flutter
import 'package:flutter/material.dart';

void main() {
  return runApp(TestPage());
}

//リスト4.33
class TestPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'AppBar',
      home: Scaffold(
        appBar: AppBar(
          leading: IconButton(icon: Icon(Icons.menu), onPressed: () {}),
          title: Text('AppBar')
        ),
        body: Center(child: Text('AppBar'))
      )
    );
  }
}