Tags / core-animation
Understanding the Mysteries of NSTimer and CADisplayLink: Optimizing Animation Performance in Objective-C
How to Disable Implicit Animations in CALayer for Improved App Performance
Here is the code based on the specifications provided:
Animating the iPhone "Wobbly" Effect on UiImageView Using CABasicAnimation
Understanding Core Animation: Specifying Begin Time with CFTimeInterval
Maintaining Animation State When Switching Between Background and Foreground States in iOS