let visibleRect = CGRect(origin: collectionView.contentOffset, size: collectionView.bounds.size) let visiblePoint = CGPoint(x: visibleRect.midX, y: visibleRect.midY) let visibleIndexPath = collectionView.indexPathForItem(at: visiblePoint)
func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { for cell in yourCollectionView.visibleCells { let indexPath = yourCollectionView.indexPath(for: cell) print(indexPath) } }