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

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

//リスト4.9
class TestPage extends StatelessWidget{
  @override
  Widget build(BuildContext context){
    return MaterialApp(
      title: 'ボタン',
      home: Scaffold(
        appBar: AppBar(title:Text('ボタン')),
        body: Center(
          child: Column(mainAxisSize: MainAxisSize.min, children: <Widget>[
            ElevatedButton(onPressed: (){},
              style:ElevatedButton.styleFrom(
                side:BorderSide(
                  color: Colors.grey,
                  width: 2,
                ),
                onPrimary: Colors.black,
              ),
              child: Text('ElevatedButton',
                  style: TextStyle(
                    color: Colors.white,
                  ))),
            IconButton(onPressed: (){}, icon: Icon(Icons.flutter_dash)),
            OutlinedButton(onPressed: (){}, child: Text('OutlinedButton')),
            TextButton(onPressed: (){}, child: Text("TextButton"))
          ])),
        floatingActionButton: FloatingActionButton.extended(
            onPressed: () {},
            backgroundColor: Colors.blueGrey,
            label: const Text('Next'),
            icon: const Icon(Icons.arrow_forward)
        )
      ),
    );
  }
}