test_flutter 1.0.0

A Flutter example package for testing and publishing to pub.dev

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:test_flutter/test_flutter.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Test Flutter Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Test Flutter Example'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final Counter _counter = Counter();
  final TextEditingController _num1Controller = TextEditingController();
  final TextEditingController _num2Controller = TextEditingController();
  String _result = '';

  void _incrementCounter() {
    setState(() {
      _counter.increment();
    });
  }

  void _decrementCounter() {
    setState(() {
      _counter.decrement();
    });
  }

  void _resetCounter() {
    setState(() {
      _counter.reset();
    });
  }

  void _calculate() {
    final num1 = int.tryParse(_num1Controller.text);
    final num2 = int.tryParse(_num2Controller.text);

    if (num1 == null || num2 == null) {
      setState(() {
        _result = 'Please enter valid numbers';
      });
      return;
    }

    setState(() {
      _result = '''
Addition: ${Calculator.add(num1, num2)}
Subtraction: ${Calculator.subtract(num1, num2)}
Multiplication: ${Calculator.multiply(num1, num2)}
Division: ${Calculator.divide(num1, num2)}
      ''';
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          children: <Widget>[
            const Text(
              'Counter Example:',
              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 10),
            Text(
              'Count: ${_counter.count}',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            const SizedBox(height: 20),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                ElevatedButton(
                  onPressed: _decrementCounter,
                  child: const Text('-'),
                ),
                ElevatedButton(
                  onPressed: _resetCounter,
                  child: const Text('Reset'),
                ),
                ElevatedButton(
                  onPressed: _incrementCounter,
                  child: const Text('+'),
                ),
              ],
            ),
            const SizedBox(height: 30),
            const Text(
              'Calculator Example:',
              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 10),
            TextField(
              controller: _num1Controller,
              keyboardType: TextInputType.number,
              decoration: const InputDecoration(
                labelText: 'First Number',
                border: OutlineInputBorder(),
              ),
            ),
            const SizedBox(height: 10),
            TextField(
              controller: _num2Controller,
              keyboardType: TextInputType.number,
              decoration: const InputDecoration(
                labelText: 'Second Number',
                border: OutlineInputBorder(),
              ),
            ),
            const SizedBox(height: 10),
            ElevatedButton(
              onPressed: _calculate,
              child: const Text('Calculate'),
            ),
            const SizedBox(height: 10),
            if (_result.isNotEmpty)
              Container(
                padding: const EdgeInsets.all(10),
                decoration: BoxDecoration(
                  border: Border.all(color: Colors.grey),
                  borderRadius: BorderRadius.circular(5),
                ),
                child: Text(
                  _result,
                  style: const TextStyle(fontFamily: 'monospace'),
                ),
              ),
          ],
        ),
      ),
    );
  }
}