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state-management

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2026-06-02 flutter dart riverpod

How to Show Loading and Error States with AsyncValue in Flutter Riverpod

Render loading, data, and error UI from a single AsyncValue in Riverpod 3. Use AsyncNotifier and AsyncValue.guard for mutations, .when() and switch pattern matching for the UI, keep previous data on refresh, and migrate the legacy StateNotifier pattern. Tested on flutter_riverpod 3.x, Flutter 3.44, Dart 3.x.

2026-05-06 flutter dart riverpod

How to migrate a Flutter app from GetX to Riverpod

Step-by-step migration from GetX to Riverpod 3.x in a real Flutter app: GetxController to Notifier, .obs to derived providers, Get.find to ref.watch, Get.to to go_router, plus snackbars, theming, and tests. Tested on Flutter 3.27.1, Dart 3.11, flutter_riverpod 3.3.1.