import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: QuizPage(),
    );
  }
}

class QuizPage extends StatefulWidget {
  @override
  _QuizPageState createState() => _QuizPageState();
}

class _QuizPageState extends State<QuizPage> {
  int score = 0;
  String question = 'Кез келген адам мобильді қосымша жасай алады ма?';
  bool correctAnswer = true;

  void checkAnswer(bool userAnswer) {
    if (userAnswer == correctAnswer) {
      setState(() {
        score++;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Тест'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              question,
              style: TextStyle(fontSize: 24),
              textAlign: TextAlign.center,
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                checkAnswer(true);
              },
              child: Text('Ия'),
            ),
            SizedBox(height: 10),
            ElevatedButton(
              onPressed: () {
                checkAnswer(false);
              },
              child: Text('Жоқ'),
            ),
            SizedBox(height: 20),
            Text(
              'Ұпай: $score',
              style: TextStyle(fontSize: 18),
            ),
          ],
        ),
      ),
    );
  }
}