Null check operator used on a null value
TusharRoy23 opened this issue · 6 comments
SDK version - sdk: ">=2.11.0 <3.0.0".
Maybe it occurs because of the version.
Like - bool isMoveLeft = _dropIndex! > _dragIndex!; for this one => !
How am I going to solve this one?
I can't guess what's happen. Can you provider a log, thanks.
This is it which I get from log
Null check operator used on a null value
And I manage to run my application after removing the NULL check operator.
Yes, it's some issue of the nullsafety. Can you try upgrade the sdk version to 2.12.0..
I will close this issue. You can reopen if need.
This error is very rare. Flutter SDK 3.13.4.
Log: Null check operator used on a null value
State.context | (package:flutter/src/widgets/framework.dart:957)
DragInfo._scrollIfNeed | (package:reorderable_grid_view/src/drag_info.dart:190)
DragInfo.update | (package:reorderable_grid_view/src/drag_info.dart:169)
MultiDragPointerState._move | (package:flutter/src/gestures/multidrag.dart:92)
MultiDragGestureRecognizer._handleEvent | (package:flutter/src/gestures/multidrag.dart:254)
PointerRouter._dispatch | (package:flutter/src/gestures/pointer_router.dart:98)
PointerRouter._dispatchEventToRoutes. | (package:flutter/src/gestures/pointer_router.dart:143)
_LinkedHashMapMixin.forEach | (dart:collection-patch/compact_hash.dart:625)
PointerRouter._dispatchEventToRoutes | (package:flutter/src/gestures/pointer_router.dart:141)
PointerRouter.route | (package:flutter/src/gestures/pointer_router.dart:127)
GestureBinding.handleEvent | (package:flutter/src/gestures/binding.dart:488)
GestureBinding.dispatchEvent | (package:flutter/src/gestures/binding.dart:468)
RendererBinding.dispatchEvent | (package:flutter/src/rendering/binding.dart:333)
GestureBinding._handlePointerEventImmediately | (package:flutter/src/gestures/binding.dart:413)
GestureBinding.handlePointerEvent | (package:flutter/src/gestures/binding.dart:376)
GestureBinding._flushPointerEventQueue | (package:flutter/src/gestures/binding.dart:323)
GestureBinding._handlePointerDataPacket | (package:flutter/src/gestures/binding.dart:292)
_rootRunUnary | (dart:async/zone.dart:1415)
_CustomZone.runUnary | (dart:async/zone.dart:1308)
_CustomZone.runUnaryGuarded | (dart:async/zone.dart:1217)
_invoke1 | (dart:ui/hooks.dart:188)
PlatformDispatcher._dispatchPointerDataPacket | (dart:ui/platform_dispatcher.dart:424)
_dispatchPointerDataPacket | (dart:ui/hooks.dart:119)
Thank you for report. I can't locate the reason. I add some maybe fix, and you can try version 2.2.9-alpha.2 if need.