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knopp / flutter_reorderable_list

ReorderableList for Flutter
BSD 3-Clause "New" or "Revised" License
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CRASH: Null check operator used on a null value #40

Open dhirajhimani opened 3 years ago

dhirajhimani commented 3 years ago

Logs:-

ReorderableListener._startDragging (flutter_reorderable_list.dart:147) ReorderableListener._routePointer (flutter_reorderable_list.dart:125) ReorderableListener.build. (flutter_reorderable_list.dart:118) RenderPointerListener.handleEvent (proxy_box.dart:2829) GestureBinding.dispatchEvent (binding.dart:419) RendererBinding.dispatchEvent (binding.dart:287) GestureBinding._handlePointerEventImmediately (binding.dart:374) GestureBinding.handlePointerEvent (binding.dart:338) GestureBinding._flushPointerEventQueue (binding.dart:296) GestureBinding._handlePointerDataPacket (binding.dart:279) ._rootRunUnary (zone.dart:1370) _CustomZone.runUnary (zone.dart:1265) _CustomZone.runUnaryGuarded (zone.dart:1170) ._invoke1 (hooks.dart:182) PlatformDispatcher._dispatchPointerDataPacket (platform_dispatcher.dart:282) ._dispatchPointerDataPacket (hooks.dart:96)

ondramastik commented 1 year ago

You probably have a ReorderableListener without a _ReorderableItemState child, that's why it's failing.