Best AI Coding Tools for Flutter

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

class Product {
  final int id;
  final String name;
  final double price;
  const Product({required this.id, required this.name, required this.price});

  factory Product.fromJson(Map<String, dynamic> json) => Product(
    id: json['id'], name: json['name'], price: json['price'].toDouble(),
  );
}

final productsProvider =
    AsyncNotifierProvider<ProductsNotifier, List<Product>>(
        ProductsNotifier.new);

class ProductsNotifier extends AsyncNotifier<List<Product>> {
  @override
  Future<List<Product>> build() => _fetchProducts();

  Future<List<Product>> _fetchProducts() async {
    final response = await ref.read(dioProvider).get('/api/products');
    return (response.data as List).map((e) => Product.fromJson(e)).toList();
  }

  Future<void> refresh() async {
    state = const AsyncValue.loading();
    state = await AsyncValue.guard(_fetchProducts);
  }
}

class ProductsScreen extends ConsumerWidget {
  const ProductsScreen({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final products = ref.watch(productsProvider);
    return Scaffold(
      appBar: AppBar(title: const Text('Products')),
      body: products.when(
        data: (items) => RefreshIndicator(
          onRefresh: () => ref.read(productsProvider.notifier).refresh(),
          child: ListView.builder(
            itemCount: items.length,
            itemBuilder: (_, i) => ListTile(
              title: Text(items[i].name),
              trailing: Text('\$${items[i].price.toStringAsFixed(2)}'),
            ),
          ),
        ),
        loading: () => const Center(child: CircularProgressIndicator()),
        error: (e, _) => Center(child: Text('Error: $e')),
      ),
    );
  }
}