Flutter Riverpod 2.0 Complete Guide — Notifier & AsyncNotifier for Modern State Management Riverpod 2.0 introduced Notifier and AsyncNotifier as modern replacements for StateNotifierProvider . Combined with riverpod_generator , they drastically cut boilerplate. Riverpod 2.0 API Overview Old API New API Use Case StateProvider @riverpod + Ref Simple values StateNotifierProvider @riverpod class X extends Notifier Sync state FutureProvider @riverpod Future<X> x(Ref ref) Async data StateNotifierProvider (async) @riverpod class X extends AsyncNotifier Async state Setup dependencies : flutter_riverpod : ^2.5.1 riverpod_annotation : ^2.3.5 dev_dependencies : riverpod_generator : ^2.4.0 build_runner : ^2.4.9 Enter fullscreen mode Exit fullscreen mode Notifier — Synchronous State // lib/providers/counter_provider.dart import 'package:riverpod_annotation/riverpod_annotation.dart' ; part 'counter_provider.g.dart' ; @riverpod class Counter extends _$Counter { @override int build () = > 0 ; void increment ()…