Access Method After UIImageView Animation Finish

Question

I have an array of images loaded into a UIImageView that I am animating through one cycle. After the images have been displayed, I would like a @selector to be

Answer 1

Use performSelector:withObject:afterDelay::

[self performSelector:@selector(animationDidFinish:) withObject:nil
    afterDelay:instructions.animationDuration];

or use dispatch_after:

dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, instructions.animationDuration * NSEC_PER_SEC);
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
    [self animationDidFinish];
});