Core Animation: Simplified Animation Techniques for Mac® and iPhone® Development

Chapter 4. Keyframe Animation

In This Chapter

• Changing Values Over Time

• Two Methods to Specify Keyframe Destinations

• From Basic Animation to Keyframe Animation

• Keyframe Animation Timing

• Keyframe Animation for UI Cues

Core Animation provides a way for you to have complete control over your animations. This control comes in the form of what is called keyframe animation. Keyframe animation enables you to specify the values for each of the major steps in your animation and then fills in the rest for you.

The terminology used to describe keyframe animation is rooted in the film industry. As film animation moved to computers, this concept of filling in between the keyframes has remained a necessary part of creating smooth animations using ...