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

I struggled with this for a while as well, then I was advised to check out the parent classes of UICollectionView. One of them happens to be UIScrollView and if you set yourself up as a UIScrollViewDelegate, you get access to very helpful methods such as scrollViewDidEndDecelerating, a great place to update the UIPageControl.