Free "iPhone Custom Grid Layouts for Every iOS App Design" Udemy

Display your content using grid layout's and write less code. This course teaches you how to layout your app's dynamic or static content. This course will teach you how you can adapt Apple's powerful UICollectionView classes for your apps to display pictures, options, or help screens.
You will learn the easiest way to get things done with code examples that include building a custom help screen that scrolls between pages of content. The UICollectionView is powerful because you can display the same content in different ways.