button corner radius swift code example

Example 1: add top corner radius swift

extension UIView {
   func roundCorners(corners: UIRectCorner, radius: CGFloat) {
        let path = UIBezierPath(roundedRect: bounds, byRoundingCorners: corners, cornerRadii: CGSize(width: radius, height: radius))
        let mask = CAShapeLayer()
        mask.path = path.cgPath
        layer.mask = mask
    }
}

Example 2: add buton border swift

button.layer.borderWidth = 1
button.layer.borderColor = UIColor.black.cgColor

Example 3: add corner radius to uiview swift

view.layer.cornerRadius = 25
view.layer.masksToBounds = true

Example 4: round courners of uibutton

yourButton.layer.cornerRadius = 10; // this value vary as per your desire
    yourButton.clipsToBounds = YES;