 
         self.addSubview(activityView)
 
-        UIView.animate(withDuration: Constants.ASToastDuration, delay: 0.0, options: UIViewAnimationOptions(), animations: { () -> Void in
+        UIView.animate(withDuration: Constants.ToastDuration, delay: 0.0, options: UIViewAnimationOptions(), animations: { () -> Void in
             activityView.alpha = 1.0
         }, completion: nil)
     }

            titleLabel.text = title

            // set size the title label according to the lenth of title text
            let maxSizeTitle = CGSize(width: (self.bounds.size.width * Constants.ASToastMaxWidth) - imageWidth, height: self.bounds.size.height * Constants.ASToastMaxHeight)
            let expectedSizeTitle: CGSize! = sizeForString(title as NSString, font: titleLabel.font, constrainedSize: maxSizeTitle, lineBreakMode: titleLabel.lineBreakMode)
            titleLabel.frame = CGRect(x: 0.0, y: 0.0, width: expectedSizeTitle.width, height: expectedSizeTitle.height)
        }

     */
    public func makeToast(_ message: String,
                          duration: TimeInterval,
                          position: ToastPosition,
                          title: String,
                          backgroundColor: UIColor?,
                          titleColor: UIColor?,
