iOS Core Animation Quotes

“If UIView detects that the -drawRect: method is present, it allocates a new backing image for the view, with pixel dimensions equal to the view size multiplied by the contentsScale. If”
― Nick Lockwood, iOS Core Animation: Advanced Techniques

“On Mac OS, prior to version 10.8, a significant performance penalty was involved in using hierarchies of layer-backed views instead of standalone CALayer trees hosted inside a single view. But the lightweight UIView class in iOS barely has any negative impact on performance when working with layers. (In Mac OS 10.8, the performance of NSView is greatly improved, as well.) The”
― Nick Lockwood, iOS Core Animation: Advanced Techniques

“You can create a CGColor directly using Core Graphics methods if you prefer, but using UIColor saves you from having to manually release the color when you no longer need it. Listing”
― Nick Lockwood, iOS Core Animation: Advanced Techniques