Chaining Core Animation animations

Question

Which is the most elegant and modular way to chain animation in a Core Animation context?

I mean to do animations that starts just when other finis

Answer 1

I don't believe you can "nest" CA animations as you have in your example.

You need to specify a delegate for the animation and put your second "transition" within the animationDidStop:finished: selector of the delegate.

Might want to have a look at Apple's Animation Types & Timing Programming Guide.