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

See if this answer helps: Perform an action after the animation has finished I find animateWithDuration:animations:completion: to be way easier to use than working directly with CALayer. You can chain multiple animations via the completion handler and then remove the layer in the last one. eg:

[UIView animateWithDuration:1.0 animations:^{
    // do first animation in the sequence
} completion:^(BOOL finished) {
    [UIView animateWithDuration:1.0 animations:^{
        // do second animation in the sequence
    } completion:^(BOOL finished) {
        [UIView animateWithDuration:1.0 animations:^{
            // do third animation in the sequence
        } completion:^(BOOL finished) {
            // remove layer after all are done
        }];
    }];
}];

Possibly a little messy this way, but you could refactor these into their own method calls, for instance.