Apply round and shadow effect on UIView

RoundedShadowView.swift

import Foundation
import UIKit
@IBDesignable class RoundShadowView: UIView {

   @IBInspectable var shadow: Bool {
       get {
           return layer.shadowOpacity > 0.0
       }
       set {
           if newValue == true {
               self.addShadow()
           }
       }
   }

   @IBInspectable var cornerRadius: CGFloat {
       get {
           return self.layer.cornerRadius
       }
       set {
           self.layer.cornerRadius = newValue

           // Don't touch the masksToBound property if a shadow is needed in addition to the cornerRadius
           if shadow == false {
               self.layer.masksToBounds = true
           }
       }
   }


   func addShadow(shadowColor: CGColor = UIColor.black.cgColor,
                  shadowOffset: CGSize = CGSize(width: 1.0, height: 2.0),
                  shadowOpacity: Float = 0.7,
                  shadowRadius: CGFloat = 3.0) {
       layer.shadowColor = shadowColor
       layer.shadowOffset = shadowOffset
       layer.shadowOpacity = shadowOpacity
       layer.shadowRadius = shadowRadius
   }
}