CABasicAnimation with CALayer path doesn't animate

Question

I\'m trying to animation the transition of a CALayer from normal corners to rounded corners. I only want to round the top corners, so I am using a UIBezierPath. Here\'s the

Answer 1

Found a really elegant solution from Andrew Wagner here.

Esstentially the system will handle all path change animations, all you need is to:

1. Implement a CAShapeLayer subclass
2. Override and implement actionForKey
3. Update the path as per usual and you'll get your animations!