플러터챌린지 6일차 기본문제 - 신현호

readme.md

플러터챌린지 6일차 기본문제 - 신현호

Created with <3 with dartpad.dev.

main.dart

import 'dart:math';

import 'package:flutter/material.dart';


void main() {
  runApp(const MaterialApp(
    debugShowCheckedModeBanner: false,
    home: HelloDialogScreen(),
  ));
}

class HelloDialogScreen extends StatefulWidget {
  const HelloDialogScreen({super.key});

  @override
  State<HelloDialogScreen> createState() => _HelloDialogScreenState();
}

class _HelloDialogScreenState extends State<HelloDialogScreen> {
  String point = '0';

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              "Your point : $point", 
              style: Theme.of(context).textTheme.titleLarge,
            ),
            const SizedBox(height: 25),
            ElevatedButton(
              onPressed: () async {
                await showDialog(
                  context: context,
                  builder: (context) {
                    return AlertDialog(
                      title: const Text("Choose your next point!"),
                      content: const Text("Choose one of the points below!\nIf you don't make a selection, your current score will be retained."),
                      actions: List.generate(3, (index) {
                        String number = Random().nextInt(100).toString();
                        return TextButton(
                          onPressed: () {
                            setState(() {
                              point = number;
                            });
                            Navigator.pop(context);
                          },
                          child: Text(number),
                        );
                      }),
                    );
                  },
                );
              },
              child: const Text("I want more points!"),
            ),
          ],
        ),
      ),
    );
  }
}