iOS6 UICollectionView and UIPageControl - How to get visible cell?

Question

While studying iOS6 new features I got a question about UICollectionView.
I am currently testing it with Flow layout and the scroll direction set to horizontal, scrolli

Answer 1

Simple Swift

public func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
    pageControl.currentPage = (collectionView.indexPathsForVisibleItems().first?.row)!
}

UIScrollViewDelegate is already implemented if you implement UICollectionViewDelegate