p2_app.dart

import 'package:app/common/data/my_cart_change_notifier.dart';
import 'package:app/p2/p2_catalog_page.dart';
import 'package:app/p2/p2_my_cart_page.dart';
import 'package:flutter/material.dart';

class P2App extends StatelessWidget {
  P2App({super.key});

  // ⭐️ Keep ChangeNotifier in the parent widget of multiple widgets that require it.
  final myCart = MyCartChangeNotifier();

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.yellow),
        useMaterial3: true,
      ),
      initialRoute: '/',
      routes: {
        // ⭐️ Relay that ChangeNotifier to any descendant widget that needs it.
        '/': (context) => P2CatalogPage(myCart: myCart),
        '/my_cart': (context) => P2MyCartPage(myCart: myCart),
      },
    );
  }
}