dice.dart

class DicePageState extends State<DicePage> {
  int dice1Value = 1;
  int dice2Value = 2;

  @override
  Widget build(BuildContext context) {
    return Column(
      children: <Widget>[
        FlatButton(
          child: Image(
            image: AssetImage('images/dice$dice1Value.png'),
          ),
          onPressed: () {
            setState(
              () {
                dice1Value = Random().nextInt(6) + 1;
              },
            );
          },
        ),
        FlatButton(
          child: Image(
            image: AssetImage('images/dice$dice2Value.png'),
          ),
          onPressed: () {
            setState(
              () {
                dice2Value = Random().nextInt(6) + 1;
              },
            );
          },
        ),
      ],
    );
  }
}