In this UICollectionView tutorial, you’ll get learn how to leverage the superpowers of the only view capable of dethroning UITableView as the king of UIKit. Note: This tutorial has been updated for Swift 3, iOS 10, and Xcode 8. The iOS Photos app has a stylish way of displaying photos via a multitude of layouts. You can view your photos in a nice grid view: Or you can view your albums as stacks: Y