import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: Home(title: 'Flutter Focus'),
    );
  }
}

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

  final String title;

  @override
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: SingleChildScrollView(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              for (int i = 0; i < 6; i++)
                if (i % 2 != 0)
                  const TextField(
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      labelText: 'Type Something',
                    ),
                  )
                else
                  TextButton(
                    onPressed: _incrementCounter,
                    child: const Text('Press me to increase count'),
                  ),
              Text('You have pushed the button this many times: $_counter'),
              const SizedBox(height: 100),
            ],
          ),
        ),
      ),
    );
  }
}