Fixed intermittent crash when long press one cell & drag and tap/hold an...

lxcid / LXReorderableCollectionViewFlowLayout

Extends `UICollectionViewFlowLayout` to support reordering of cells. Similar to long press and pan on books in iBook.

http://lxcid.com/

MIT License

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Fixed intermittent crash when long press one cell & drag and tap/hold an... #77

Open louistran99 opened 10 years ago

louistran99 commented 10 years ago

...other cell. When local variable 'previousIndexPath' is nil, the method -(void) invalidateLayoutIfNecessary will crash at line 171. This fix prevents indexing into 'nil' at line 171.

lxcid commented 9 years ago

Reference for future review: https://github.com/lukescott/DraggableCollectionView/issues/37