UICollectionView setLayout:animated: not preserving zIndex

Question

I\'ve noticed that when calling setLayout:animated in a UICollectionView to switch between two layouts, the currently visible cell doesn\'t adhere to t

Answer 1

Try:

// In UICollectionViewCell subclass
- (void)applyLayoutAttributes:(UICollectionViewLayoutAttributes *)layoutAttributes
{
    [super applyLayoutAttributes:layoutAttributes];
    // Setting zPosition instead of relaying on
    // UICollectionView zIndex management 'fixes' the issue
    self.layer.zPosition = layoutAttributes.zIndex;
}