iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK

Introduction to UIKit Dynamics

UIKit Dynamics is a new set of classes and methods that was first introduced to iDevices starting with iOS 7. In short, it provides an easy-to-implement method to improve user experience of apps by incorporating real-world behaviors and characteristics attached to UIViews. UIKit Dynamics is, in the simplest terms, a basic physics engine for UIKit; however, it is not designed for game development like most traditional physics engines.

Dynamic behavior becomes active when a new UIDynamicAnimator is created and added to a UIView. Each animator item can be customized with various properties and behaviors, such as gravity, collision detection, density, friction, and additional items detailed in the following sections. ...