To the best of my knowledge, you can't. You need to create explicit CAAnimation objects instead to represent your animations if you need this kind of control over it.
It easily allows delays, and unless I'm mistaken, gives you access to exactly the same functionality you find when using implicit Core Animations.
Try this // Start in 5 seconds theAnimation. BeginTime = CACurrentMediaTime()+5; CAAnimation objects implement the CAMediaTiming protocol so you have a few properties to play around with in there. (answer taken from here).
The original poster was talking about implicit animations, not explicit ones. – Kevin Ballard Jan 6 '11 at 4:03 Good point. I stand corrected :) – deanWombourne Jan 6 '11 at 9:58.
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