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

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

//リスト4.42_cf
class TestPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Padding',
      home: Scaffold(
        appBar: AppBar(title: Text('Padding'), centerTitle: true,),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Card(
                color: Colors.grey,
                child: Text('Hello'),
              ),
              Card(
                color: Colors.grey,
                child: Padding(
                  padding: EdgeInsets.all(16.0), child: Text('Hello')
                ),
              )
            ]
          ),
        )
      )
    );
  }
}