Rounded Corners only on Top of a UIView

Question

Hi i am searching a clean solution without overwriting drawRect or stuff like that to create a UIView with Rounded corners on the Top of the

Answer 1

 CAShapeLayer * maskLayer = [CAShapeLayer layer];
    maskLayer.path = [UIBezierPath bezierPathWithRoundedRect: registerbtn.bounds byRoundingCorners: UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii: (CGSize){9.0, 12.0}].CGPath;

    registerbtn.layer.mask = maskLayer;

this will do only one corner rounded