bustling-dryad-7998

readme.md

bustling-dryad-7998

Created with <3 with dartpad.dev.

main.dart

import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home:  MainPage(),
    );
  }
}


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

  @override
  State<MainPage> createState() => _MainPageState();
}

class _MainPageState extends State<MainPage> {
  final baseNumberCtrl = TextEditingController();
  final firstHalfCtrl = TextEditingController();
  final secondHalfCtrl = TextEditingController();

  final firstHalfBonus = TextEditingController();
  final secondHalfBonus = TextEditingController();

  int income = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 8),
          child: Column(
            children: [
              TextField(
                controller: baseNumberCtrl,
                decoration: const InputDecoration(labelText: '1月から4月の給与'),
              ),
              TextField(
                controller: firstHalfCtrl,
                decoration: const InputDecoration(labelText: '5月から10月の給与'),
              ),
              TextField(
                controller: secondHalfCtrl,
                decoration: const InputDecoration(labelText: '11月から12月の給与'),
              ),
              TextField(
                controller: firstHalfBonus,
                decoration: const InputDecoration(labelText: '4月のボーナス'),
              ),
              TextField(
                controller: secondHalfBonus,
                decoration: const InputDecoration(labelText: '10月のボーナス'),
              ),
              TextButton(
                onPressed: () {
                  final base = int.parse(baseNumberCtrl.text);
                  final firstHalf = int.parse(firstHalfCtrl.text);
                  final secondHalf =
                      int.parse(secondHalfCtrl.text);
                  final firstBonus = int.parse(firstHalfBonus.text);
                  final secondBonus = int.parse(secondHalfBonus.text);

                  setState(() {
                    income = base * 4 +
                        firstHalf * 6 +
                        secondHalf * 2 +
                        firstBonus +
                        secondBonus;
                  });
                },
                child: const Text('計算！'),
              ),
              Text(
                '$income円',
                style: const TextStyle(fontSize: 128),
              ),
            ],
          ),
        ),
      ),
    );
  }
}