5. Animation

Of the technologies updated in the last couple years, iOS animation is one of the ones that has been most enhanced by recent APIs. Flexible animation styles enable your interfaces to integrate real-world physics for better and more exciting presentations and interactions. If you use animations to add liveliness and interest to your interfaces and want to push them to the next level, this chapter is for you. This chapter offers some fresh approaches to this classic technology.

Keyframe Animation

Although UIView animation has long provided ways to smoothly transition from one set of view characteristics to another, until iOS 7, the implementation of UIView was always “flat.” Beyond tweaking the underlying curve, you couldn’t do much ...

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