class _MyHomePageState extends State<MyHomePage> {
static var _message = "ok.";
static var _janken = <String>['グー','チョキ','パー'];
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text('App Name'),
),
body:
new Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.max,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
Padding(
padding: EdgeInsets.all(20.0),
child: Text(
_message,
style: TextStyle(
fontSize: 32.0,
fontWeight: FontWeight.w400,
fontFamily:"Robot"
),
),
),
TextButton(
onPressed: buttonPressed,
child: Padding(
padding: EdgeInsets.all(10.0),
child: Text(
"Push me!",
style: TextStyle(
fontSize: 32.0,
color: const Color(0xff000000),
fontWeight: FontWeight.w400, fontFamily: "Robot"),
)
)
)
]
),
),
);
}
void buttonPressed(){
setState((){
_message = (_janken..shuffle()).first;
});
}
}
TextButton(
onPressed: buttonPressed,
child: Padding(
padding: EdgeInsets.all(10.0),
child: Icon(
Icons.android,
size: 50.0,
)
)
)
elevatedbutton, iconButtonなどがある
