CoreAnimation - Opacity Fade In and Out Animation Not Working

Question

I\'m attempting to create a fairly simple CoreAnimation for use in an AVComposition. My goal is to create a CALayer which, through various sublayer

Answer 1

Look at my answer https://stackoverflow.com/a/44204846/667483

In summary: to use beginTime you should set fillMode to kCAFillModeBackwards on you animation object.