How to remove a layer when its animation completes?

Question

I am making an iOS App. I have several CALayer objects that eventually will be deleted by a (shrinking) animation. When the animatio

Answer 1

When you create the animation and set the delegate, just pass the CALayer you want to remove with your animation.

As for removing all the animations, you have two options:

1. You can check your CALayer's animationKeys for any existing animations.
2. You can use a CAAnimationGroup and group all your animations together.