  - SemiCircleSpin:          SemiCircleSpin animation.
  - BallRotateChase:         BallRotateChase animation.
  */
-public enum NVActivityIndicatorType {
+public enum NVActivityIndicatorType: Int {
     /**
      Blank.
      

        let animation: protocol<NVActivityIndicatorAnimationDelegate> = self.type.animation()
        
        self.layer.sublayers = nil
        animation.setUpAnimationInLayer(self.layer, size: self.size, color: self.color)
    }
}

     - returns: The activity indicator view.
     */
    required public init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        backgroundColor = UIColor.clearColor()
    }
    
    /**
