flutter
lifecycle_error
ai_generated
true
StateError: Cannot emit after bloc is closed
ID: flutter/bloc-state-error
82%Fix Rate
86%Confidence
3Evidence
2023-01-01First Seen
Version Compatibility
| Version | Status | Introduced | Deprecated | Notes |
|---|---|---|---|---|
| 3 | active | — | — | — |
Root Cause
Bloc emitting state after being closed.
genericWorkarounds
-
90% success Check isClosed before emitting: if(\!isClosed) emit(state)
-
88% success Cancel async operations in Bloc.close() override
Dead Ends
Common approaches that don't work:
-
Never close blocs
78% fail
Memory leak
-
Wrap all emit calls in try-catch
72% fail
Hides lifecycle issues