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UnsupportedError at _getItemFromOffset at package:flutter/src/widgets/list_wheel_scroll_view.dart #116139

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Piinks opened this issue Nov 28, 2022 · 3 comments
Open

UnsupportedError at _getItemFromOffset at package:flutter/src/widgets/list_wheel_scroll_view.dart #116139

Piinks opened this issue Nov 28, 2022 · 3 comments
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a: production Issues experienced in live production apps c: crash Stack traces logged to the console f: scrolling Viewports, list views, slivers, etc. framework flutter/packages/flutter repository. See also f: labels. P2 Important issues not at the top of the work list team-framework Owned by Framework team triaged-framework Triaged by Framework team

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@Piinks
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Piinks commented Nov 28, 2022

Internal issues: b/260398798 and b/260402304

Customer is reporting crashes in production with the following stack traces. They appear similar/related. There is no reproduction.

Stack trace for b/260398798 
Stable Signature - UnsupportedError at _getItemFromOffset at package:flutter/src/widgets/list_wheel_scroll_view.dart

at _getItemFromOffset (list_wheel_scroll_view.dart )
at _FixedExtentScrollPosition.itemIndex (list_wheel_scroll_view.dart:386 )
at _FixedExtentScrollPosition.copyWith (list_wheel_scroll_view.dart:409 )
at ScrollPosition.didUpdateScrollPositionBy (scroll_position.dart:914 )
at ScrollPosition.setPixels (scroll_position.dart:282 )
at ScrollPositionWithSingleContext.setPixels (scroll_position_with_single_context.dart:78 )
at ScrollPositionWithSingleContext.applyUserOffset (scroll_position_with_single_context.dart:122 )
at ScrollDragController.update (scroll_activity.dart:387 )
at ScrollableState._handleDragUpdate (scrollable.dart:674 )
at DragGestureRecognizer._checkUpdate.<anonymous closure> (monodrag.dart:483 )
at GestureRecognizer.invokeCallback (recognizer.dart:253 )
at DragGestureRecognizer._checkUpdate (monodrag.dart:483 )
at DragGestureRecognizer.handleEvent (monodrag.dart:330 )
at PointerRouter._dispatch (pointer_router.dart:98 )
at PointerRouter._dispatchEventToRoutes.<anonymous closure> (pointer_router.dart:143 )
at _LinkedHashMapMixin.forEach (compact_hash.dart:620 )
at PointerRouter._dispatchEventToRoutes (pointer_router.dart:141 )
at PointerRouter.route (pointer_router.dart:127 )
at GestureBinding.handleEvent (binding.dart:460 )
at GestureBinding.dispatchEvent (binding.dart:440 )
at RendererBinding.dispatchEvent (binding.dart:334 )
at GestureBinding._handlePointerEventImmediately (binding.dart:395 )
at GestureBinding.handlePointerEvent (binding.dart:357 )
at GestureBinding._flushPointerEventQueue (binding.dart:314 )
at GestureBinding._handlePointerDataPacket (binding.dart:295 )
at _rootRunUnary (zone.dart:1414 )
at _CustomZone.runUnary (zone.dart:1307 )
at _CustomZone.runUnaryGuarded (zone.dart:1216 )
at _invoke1 (hooks.dart:166 )
at PlatformDispatcher._dispatchPointerDataPacket (platform_dispatcher.dart:361 )
at _dispatchPointerDataPacket (hooks.dart:91 )
Stack trace for b/260402304 
UnsupportedError at _getItemFromOffset at package:flutter/src/widgets/list_wheel_scroll_view.dart-

at _getItemFromOffset (list_wheel_scroll_view.dart )
at _FixedExtentScrollPosition.itemIndex (list_wheel_scroll_view.dart:386 )
at FixedExtentScrollController.selectedItem (list_wheel_scroll_view.dart:251 )
at _RenderCupertinoPickerSemantics._handleScrollUpdate (picker.dart:475 )
at ChangeNotifier.notifyListeners (change_notifier.dart:354 )
at ChangeNotifier.notifyListeners (change_notifier.dart:354 )
at ScrollPosition.notifyListeners (scroll_position.dart:986 )
at ScrollPosition.setPixels (scroll_position.dart:281 )
at ScrollPositionWithSingleContext.setPixels (scroll_position_with_single_context.dart:79 )
at ScrollPositionWithSingleContext.applyUserOffset (scroll_position_with_single_context.dart:123 )
at ScrollDragController.update (scroll_activity.dart:397 )
at ScrollableState._handleDragUpdate (scrollable.dart:674 )
at DragGestureRecognizer._checkUpdate.<anonymous closure> (monodrag.dart:483 )
at GestureRecognizer.invokeCallback (recognizer.dart:253 )
at DragGestureRecognizer._checkUpdate (monodrag.dart:483 )
at DragGestureRecognizer.handleEvent (monodrag.dart:330 )
at PointerRouter._dispatch (pointer_router.dart:98 )
at PointerRouter._dispatchEventToRoutes.<anonymous closure> (pointer_router.dart:143 )
at _LinkedHashMapMixin.forEach (compact_hash.dart:617 )
at PointerRouter._dispatchEventToRoutes (pointer_router.dart:141 )
at PointerRouter.route (pointer_router.dart:127 )
at GestureBinding.handleEvent (binding.dart:460 )
at GestureBinding.dispatchEvent (binding.dart:440 )
at RendererBinding.dispatchEvent (binding.dart:333 )
at GestureBinding._handlePointerEventImmediately (binding.dart:395 )
at GestureBinding.handlePointerEvent (binding.dart:357 )
at GestureBinding._flushPointerEventQueue (binding.dart:314 )
at GestureBinding._handlePointerDataPacket (binding.dart:295 )
at _rootRunUnary (zone.dart:1414 )
at _CustomZone.runUnary (zone.dart:1307 )
at _CustomZone.runUnaryGuarded (zone.dart:1216 )
at _invoke1 (hooks.dart:166 )
at PlatformDispatcher._dispatchPointerDataPacket (platform_dispatcher.dart:343 )
at _dispatchPointerDataPacket (hooks.dart:91 )
@Piinks Piinks added c: crash Stack traces logged to the console framework flutter/packages/flutter repository. See also f: labels. f: scrolling Viewports, list views, slivers, etc. P2 Important issues not at the top of the work list labels Nov 28, 2022
@math1man
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math1man commented Dec 9, 2022 •
edited

Another internal issue: b/261851434 
Stable Signature - UnsupportedError at _getItemFromOffset at package:flutter/src/widgets/list_wheel_scroll_view.dart-cf76ddc2 
at _getItemFromOffset (list_wheel_scroll_view.dart )
at _FixedExtentScrollPosition.itemIndex (list_wheel_scroll_view.dart:386 )
at _FixedExtentScrollPosition.copyWith (list_wheel_scroll_view.dart:409 )
at ScrollPosition.didUpdateScrollDirection (scroll_position.dart:940 )
at ScrollPositionWithSingleContext.updateUserScrollDirection (scroll_position_with_single_context.dart:170 )
at ScrollPositionWithSingleContext.applyUserOffset (scroll_position_with_single_context.dart:121 )
at ScrollDragController.update (scroll_activity.dart:387 )
at ScrollableState._handleDragUpdate (scrollable.dart:674 )
at DragGestureRecognizer._checkUpdate.<anonymous closure> (monodrag.dart:483 )
at GestureRecognizer.invokeCallback (recognizer.dart:253 )
at DragGestureRecognizer._checkUpdate (monodrag.dart:483 )
at DragGestureRecognizer.handleEvent (monodrag.dart:330 )
at PointerRouter._dispatch (pointer_router.dart:98 )
at PointerRouter._dispatchEventToRoutes.<anonymous closure> (pointer_router.dart:143 )
at _LinkedHashMapMixin.forEach (compact_hash.dart:620 )
at PointerRouter._dispatchEventToRoutes (pointer_router.dart:141 )
at PointerRouter.route (pointer_router.dart:127 )
at GestureBinding.handleEvent (binding.dart:460 )
at GestureBinding.dispatchEvent (binding.dart:440 )
at RendererBinding.dispatchEvent (binding.dart:334 )
at GestureBinding._handlePointerEventImmediately (binding.dart:395 )
at GestureBinding.handlePointerEvent (binding.dart:357 )
at GestureBinding._flushPointerEventQueue (binding.dart:314 )
at GestureBinding._handlePointerDataPacket (binding.dart:295 )
at _rootRunUnary (zone.dart:1414 )
at _CustomZone.runUnary (zone.dart:1307 )
at _CustomZone.runUnaryGuarded (zone.dart:1216 )
at _invoke1 (hooks.dart:166 )
at PlatformDispatcher._dispatchPointerDataPacket (platform_dispatcher.dart:361 )
at _dispatchPointerDataPacket (hooks.dart:91 )

@Piinks
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Piinks commented Dec 9, 2022

Thanks! All of these are coming from a list wheel scroll view, do you know where one is being used in the app?

@math1man
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math1man commented Dec 9, 2022

Our app is using a CupertinoPicker, which uses a ListWheelScrollView under the hood.

@TahaTesser TahaTesser added the a: production Issues experienced in live production apps label Apr 19, 2023
@flutter-triage-bot flutter-triage-bot bot added team-framework Owned by Framework team triaged-framework Triaged by Framework team labels Jul 8, 2023
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a: production Issues experienced in live production apps c: crash Stack traces logged to the console f: scrolling Viewports, list views, slivers, etc. framework flutter/packages/flutter repository. See also f: labels. P2 Important issues not at the top of the work list team-framework Owned by Framework team triaged-framework Triaged by Framework team
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