flutter lifecycle_error ai_generated true

FlutterError: AnimationController disposed during active animation

ID: flutter/animation-controller-disposed

Also available as: JSON · Markdown
82%Fix Rate
86%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3 active — — —

Root Cause

AnimationController used after disposal.

generic

Workarounds

  1. 88% success Check mounted before animation operations
  2. 90% success Dispose in State.dispose() and cancel ongoing animations

Dead Ends

Common approaches that don't work:

  1. Never dispose AnimationController 78% fail

    Memory leak

  2. Catch disposed error silently 72% fail

    Broken animations