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<google>BUY_IPAD</google>
The majority of the visual effects used throughout the iOS 4 user interface on the iPad and iPhone are performed using Core Animation. Core Animation provides a simple mechanism for implementing basic animation within an iPad application. If you need a user interface element to gently fade in or out of view, slide smoothly across the screen or gracefully resize or rotate before the user’s eyes these effects can be achieved using Core Animation in just a few lines of code.
