Videos and tutorials how to use this thing
Apple has introduced a new class called UICollectionView that makes adding your own custom layouts and layout transitions (like those in the Photos app) incredibly simple to build.
Edit Remove MoveCovers a brief introduction to the iOS Collection View and Collection View Controller. It also demonstrates the new Objective-C NSArray literals and array subscripting. This short series of videos is designed to add video support for that chapter.
Edit Remove MoveThis video and project continues where the last video left off, demonstrating the basics of the new iOS 6 collection view controller. If you haven't already done so, see the previous video and follow along, building the app and then see this video. This part covers adding images and UIImage controllers to cells.
Edit Remove MoveAdding sections / headers to collection views in iOS 6 and Xcode. This video adds to the project in the previous video, adding sections - also know as UICollectionReuseableView controls - to collection views to create sections. You need to complete the project covered in the first two iOS 6 collection view controller videos to get the most out of this project.
Edit Remove Move