UICollectionView reloadData not functioning properly in iOS 7

Question

I\'ve been updating my apps to run on iOS 7 which is going smoothly for the most part. I have noticed in more than one app that the reloadData method of a

Answer 1

Check that each one of the UICollectionView Delegate methods does what you expect it to do. For example, if

collectionView:layout:sizeForItemAtIndexPath:

doesn't return a valid size, the reload won't work...