Note: This thread is outdated. Please see this article for an updated version: How to handle loading and error states with StateNotifier & AsyncValue in Flutter
Want to easily handle loading and error states in your widgets?
Here's an utility class I created with Freezed:
How does this work? 🧵
As this uses Freezed, you need to run:
flutter pub run build_runner build --delete-conflicting-outputs
Then you can use it like this inside a StateNotifier subclass that will represent your widget's state:
Finally, in the widget build method you can setup a listener that will show a SnackBar whenever an error state is observed.
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