Flutter- Dicee project

 

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

void main() => runApp(
      MaterialApp(
          debugShowCheckedModeBanner: false,
          home: Scaffold(
              backgroundColor: Colors.red,
              appBar: AppBar(
                backgroundColor: Colors.red,
                title: Text(
                  'Dice',
                  style: TextStyle(
                    color: Colors.white,
                  ),
                ),
                centerTitle: true,
              ),
              body: DicePage())),
    );

class DicePage extends StatefulWidget {
  @override
  _DicePageState createState() => _DicePageState();
}

class _DicePageState extends State<DicePage> {
  int leftDiceNum = 1;
  int RightDiceNum = 1;
  void change() {
    setState(() {
      leftDiceNum = Random().nextInt(6) + 1;
      RightDiceNum = Random().nextInt(6) + 1;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Row(
        children: [
          Expanded(
            child: FlatButton(
              child: Image.asset('images/dice$leftDiceNum.png'),
              onPressed: () {
                change();
              },
            ),
          ),
          Expanded(
            child: FlatButton(
              child: Image.asset('images/dice$RightDiceNum.png'),
              onPressed: () {
                change();
              },
            ),
          ),
        ],
      ),
    );
  }
}