is-pressed.dart

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  
  bool? isPressed;
  
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
    home: Scaffold(
    backgroundColor: Colors.blueGrey,
    body: Center(
    child: Row(
    children: [
      Expanded(
      flex: isPressed == true ? 2 : 1,
      child: TextButton(
      onPressed: () {
        setState(() {
          isPressed = true;
        });
        print('firstDice: $isPressed');
      },
      child: Image.network('https://raw.githubusercontent.com/londonappbrewery/dicee-flutter/master/images/dice1.png'),
      ),
      ),
      Expanded(
      flex: isPressed == false ? 2 : 1,
      child: TextButton(
      onPressed: () {
        setState(() {
          isPressed = false;
        });
        print('secondDice: $isPressed');
      },
      child: Image.network('https://raw.githubusercontent.com/londonappbrewery/dicee-flutter/master/images/dice2.png'),
      ),
      ),
    ],
    ),
    ),
    ),
    );
  }
}