counter example with riverpod

main.dart

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

// Define the StateProvider for the counter
final counterProvider = StateProvider<int>((ref) => 0);

void main() {
  runApp(
    ProviderScope(
      child: MyApp(),
    ),
  );
}

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

class CounterPage extends ConsumerWidget {
  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final count = ref.watch(counterProvider);
    return Scaffold(
      appBar: AppBar(title: Text('Counter Example')),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Count: $count', style: TextStyle(fontSize: 24)),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                ref.read(counterProvider.notifier).state++;
              },
              child: Text('Increment'),
            ),
          ],
        ),
      ),
    );
  }
}