the behavior of the UICollectionViewFlowLayout is not defined, because the cell width is greater than collectionView width

Question

2015-08-18 16:07:51.523 Example[16070:269647] the behavior of the UICollectionViewFlowLayout is not defined because: 2015-08-18 16:07:51.523
Example

Answer 1

For Xcode 11, none of the above methods worked for me.

It turned out one need to set the Estimate Size to None in the collection view size panel.

see: https://forums.developer.apple.com/thread/123625