A ScrollPositionWithSingleContext was used after being disposed

sahmadreza commented 3 years ago

Hi,

This error occurs when the application is running

There is no problem in executing the list and everything works fine and only this error is displayed in the log console.

E/flutter (14610): #7 RefreshController.requestRefresh.<anonymous closure>.<anonymous closure> (package:pull_to_refresh/src/smart_refresher.dart:665:17)

E/flutter (14610): [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: A ScrollPositionWithSingleContext was used after being disposed.
E/flutter (14610): Once you have called dispose() on a ScrollPositionWithSingleContext, it can no longer be used.
E/flutter (14610): #0      ChangeNotifier._debugAssertNotDisposed.<anonymous closure> (package:flutter/src/foundation/change_notifier.dart:117:9)
E/flutter (14610): #1      ChangeNotifier._debugAssertNotDisposed (package:flutter/src/foundation/change_notifier.dart:123:6)
E/flutter (14610): #2      ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:217:12)
E/flutter (14610): #3      ScrollPosition.notifyListeners (package:flutter/src/widgets/scroll_position.dart:889:11)
E/flutter (14610): #4      ScrollPosition.forcePixels (package:flutter/src/widgets/scroll_position.dart:367:5)
E/flutter (14610): #5      ScrollPositionWithSingleContext.jumpTo (package:flutter/src/widgets/scroll_position_with_single_context.dart:202:7)
E/flutter (14610): #6      ScrollPositionWithSingleContext.animateTo (package:flutter/src/widgets/scroll_position_with_single_context.dart:181:7)
**E/flutter (14610): #7      RefreshController.requestRefresh.<anonymous closure>.<anonymous closure> (package:pull_to_refresh/src/smart_refresher.dart:665:17)**
E/flutter (14610): #8      _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (14610): #9      _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (14610): #10     _FutureListener.handleValue (dart:async/future_impl.dart:143:18)
E/flutter (14610): #11     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:696:45)
E/flutter (14610): #12     Future._propagateToListeners (dart:async/future_impl.dart:725:32)
E/flutter (14610): #13     Future._complete (dart:async/future_impl.dart:519:7)
E/flutter (14610): #14     new Future.delayed.<anonymous closure> (dart:async/future.dart:323:16)
E/flutter (14610): #15     _rootRun (dart:async/zone.dart:1182:47)
E/flutter (14610): #16     _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (14610): #17     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
E/flutter (14610): #18     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
E/flutter (14610): #19     _rootRun (dart:async/zone.dart:1190:13)
E/flutter (14610): #20     _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (14610): #21     _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:1021:23)
E/flutter (14610): #22     Timer._createTimer.<anonymous closure> (dart:async-patch/timer_patch.dart:18:15)
E/flutter (14610): #23     _Timer._runTimers (dart:isolate-patch/timer_impl.dart:397:19)
E/flutter (14610): #24     _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:428:5)
E/flutter (14610): #25     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)

Application pattern :

- App
-- BlocBuilder
  --- MaterialApp
    ---- CalendarScreen (Scaffold->SafeArea->TabBarView)
     ----- SmartRefresher
      ------ ListView.builder
     ----- SmartRefresher
      ------ ListView.builder
     ----- SmartRefresher
      ------ ListView.builder
     ----- SmartRefresher
      ------ ListView.builder
     for ...