rluv_client/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:rluv/features/budget/screens/budget_overview.dart';
import 'package:rluv/global/styles.dart';

void main() {
  runApp(const MyApp());
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return ProviderScope(
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: const Home(),
      ),
    );
  }
}

class Home extends ConsumerStatefulWidget {
  const Home({super.key});

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

class _HomeState extends ConsumerState<Home> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      drawer: const Drawer(
        backgroundColor: Styles.purpleNurple,
      ),
      appBar: AppBar(
        backgroundColor: Styles.purpleNurple,
        title: Text(
          ref.watch(appBarTitleProvider),
        ),
      ),
      body: ref.watch(currentHomePageProvider),
    );
  }
}

final currentHomePageProvider = StateProvider<Widget>(
  (ref) => const BudgetOverviewScreen(),
);

final appBarTitleProvider = Provider<String>(
  (ref) {
    final currentPageName = ref.watch(currentHomePageProvider).toString();
    switch (currentPageName) {
      case 'BudgetOverviewScreen':
        return 'Budget';
      default:
        return '';
    }
  },
);