martin/dicee-flutter
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declear a variable and use the math library

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This commit is contained in:
Mukaila Semiu 2020-05-19 11:23:18 +01:00
parent 3934cca572
commit e7f29a8d94
1 changed files with 27 additions and 7 deletions
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30
lib/main.dart
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@ -1,3 +1,4 @@
import 'dart:math';
import 'package:flutter/material.dart';
void main() {
@ -15,7 +16,25 @@ void main() {
);
}
class DicePage extends StatelessWidget {
class DicePage extends StatefulWidget {
@override
_DicePageState createState() => _DicePageState();
}
class _DicePageState extends State<DicePage> {
int leftDiceNumber = 1;
int rightDiceNumber = 1;
void changeDice() {
setState(() {
leftDiceNumber = Random().nextInt(6)+ 1;
rightDiceNumber = Random().nextInt(6) + 1;
});
}
@override
Widget build(BuildContext context) {
return Center(
@ -24,17 +43,18 @@ class DicePage extends StatelessWidget {
Expanded(
child: FlatButton(
onPressed: () {
print('left button is pressed');
changeDice();
},
child: Image.asset('images/dice1.png')),
child: Image.asset('images/dice$leftDiceNumber.png'),
),
),
Expanded(
child: FlatButton(
onPressed: () {
print('right button is pressed');
changeDice();
},
child: Image.asset('images/dice1.png')),
child: Image.asset('images/dice$rightDiceNumber.png')),
),
],
),