iOS: Rounded rectangle with border bleeds color

Question

I\'m drawing round avatar pics, by just applying cornerRadius to a UIImageView\'s layer, and also adding a border via borderWith and <

Answer 1

My UIButton needed a rounded corner radius which resulted in jagged edges. Setting borderStyle to .roundedRect fixed it.

button.borderStyle = .roundedRect
button.layer.cornerRadius = 4
button.layer.borderWidth = 1
button.layer.borderColor = .red.cgColor