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

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

//リスト4.44
class TestPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Row',
      home: Scaffold(
        appBar: AppBar(title: Text('Row')),
        body: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Container(color: Colors.grey, width: 100, height: 100),
            Container(color: Colors.blueGrey, width: 100, height: 100),
            Container(color: Colors.black, width: 100, height: 100),
          ]
        )
      )
    );
  }
}