iOS rounded UITextField with shadow

Question

I would like to add a shadow effect to my UITextField currently what I\'m achieving is this:
As you can see the shadow is not rounded in the corners. My code:

Answer 1

You can use this extension

extension ViewController {
    func setShadow(_ view: UIView) {
        view.layer.masksToBounds = false;
        view.layer.shadowRadius  = 3.0;
        view.layer.shadowColor   = UIColor.black.cgColor;
        view.layer.shadowOffset  = CGSize(width: 2.0, height: 4.0);
        view.layer.shadowOpacity = 1.0;
    }
}