uiview rounded corners swift 4 code example

Example 1: add corner radius to uiview swift

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

Example 2: swift corner radious of view controller

extension UIView {
    func makeCorner(withRadius radius: CGFloat) {
        self.layer.cornerRadius = radius
        self.layer.masksToBounds = true
        self.layer.isOpaque = false
    }
}