Liste des produits

product_list.dart

import 'package:flutter/material.dart';

import 'add_product.dart';
import 'product.dart';

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

  @override
  _ProductListState createState() => _ProductListState();
}

class _ProductListState extends State<ProductList> {
  final List<Product> _products = [];

  void _addProduct(Product product) {
    setState(() {
      _products.insert(0, product);
    });
  }

  void _navigateToAddProduct(BuildContext context) async {
    final product = await Navigator.push<Product>(
      context,
      MaterialPageRoute(builder: (context) => AddProduct()),
    );
    if (product != null) {
      _addProduct(product);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Product List'),
      ),
      body: ListView.builder(
        itemCount: _products.length,
        itemBuilder: (context, index) {
          final product = _products[index];
          return ListTile(
            title: Text(product.name),
            subtitle: Text('\$${product.price.toStringAsFixed(2)}'),
          );
        },
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => _navigateToAddProduct(context),
        child: const Icon(Icons.add),
      ),
    );
  }
}