fix: ScrollContext.storageContext时element可能已经unmounted #510
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face the same issue. |
lauglam
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Jun 17, 2022
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在某些情况下可能会出现下面的异常：
I/flutter ( 7932): Another exception was thrown: This widget has been unmounted, so the State no longer has a context (and should be considered defunct).
E/flutter ( 7932): [ERROR:flutter/lib/ui/ui_dart_state.cc(199)] Unhandled Exception: This widget has been unmounted, so the State no longer has a context (and should be considered defunct).
E/flutter ( 7932): Consider canceling any active work during "dispose" or using the "mounted" getter to determine if the State is still active.
E/flutter ( 7932): #0 State.context. (package:flutter/src/widgets/framework.dart:909:9)
E/flutter ( 7932): #1 State.context (package:flutter/src/widgets/framework.dart:915:6)
E/flutter ( 7932): #2 ScrollableState.storageContext (package:flutter/src/widgets/scrollable.dart:620:38)
E/flutter ( 7932): #3 RefreshPhysics.createBallisticSimulation (package:pull_to_refresh/src/internals/refresh_physics.dart:268:52)