diff --git a/swift/ViewControllerUtils.swift b/swift/ViewControllerUtils.swift
index 16e9529..25b7998 100644
--- a/swift/ViewControllerUtils.swift
+++ b/swift/ViewControllerUtils.swift
@@ -6,51 +6,49 @@ class ViewControllerUtils {
     var container: UIView = UIView()
     var loadingView: UIView = UIView()
     var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
-
-    /*
-        Show customized activity indicator,
-        actually add activity indicator to passing view
     
-        @param uiView - add activity indicator to this view
-    */
+    /*
+     Show customized activity indicator,
+     actually add activity indicator to passing view
+     
+     @param uiView - add activity indicator to this view
+     */
     func showActivityIndicator(uiView: UIView) {
         container.frame = uiView.frame
         container.center = uiView.center
-        container.backgroundColor = UIColorFromHex(0xffffff, alpha: 0.3)
-    
-        loadingView.frame = CGRectMake(0, 0, 80, 80)
+        container.backgroundColor = UIColorFromHex(rgbValue: 0xffffff, alpha: 0.3)
+        loadingView.frame = CGRect(x: 0, y: 0, width: 80, height: 80)
         loadingView.center = uiView.center
-        loadingView.backgroundColor = UIColorFromHex(0x444444, alpha: 0.7)
+        loadingView.backgroundColor = UIColorFromHex(rgbValue: 0x444444, alpha: 0.7)
         loadingView.clipsToBounds = true
         loadingView.layer.cornerRadius = 10
-    
-        activityIndicator.frame = CGRectMake(0.0, 0.0, 40.0, 40.0);
-        activityIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.WhiteLarge
-        activityIndicator.center = CGPointMake(loadingView.frame.size.width / 2, loadingView.frame.size.height / 2);
-
+        
+        activityIndicator.frame = CGRect(x: 0.0, y: 0.0, width: 40.0, height: 40.0)
+        activityIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.whiteLarge
+        activityIndicator.center = CGPoint(x: loadingView.frame.size.width / 2, y: loadingView.frame.size.height / 2)
         loadingView.addSubview(activityIndicator)
         container.addSubview(loadingView)
         uiView.addSubview(container)
         activityIndicator.startAnimating()
     }
-
-    /*
-        Hide activity indicator
-        Actually remove activity indicator from its super view
     
-        @param uiView - remove activity indicator from this view
-    */
+    /*
+     Hide activity indicator
+     Actually remove activity indicator from its super view
+     
+     @param uiView - remove activity indicator from this view
+     */
     func hideActivityIndicator(uiView: UIView) {
         activityIndicator.stopAnimating()
         container.removeFromSuperview()
     }
-
+    
     /*
-        Define UIColor from hex value
-        
-        @param rgbValue - hex color value
-        @param alpha - transparency level
-    */
+     Define UIColor from hex value
+     
+     @param rgbValue - hex color value
+     @param alpha - transparency level
+     */
     func UIColorFromHex(rgbValue:UInt32, alpha:Double=1.0)->UIColor {
         let red = CGFloat((rgbValue & 0xFF0000) >> 16)/256.0
         let green = CGFloat((rgbValue & 0xFF00) >> 8)/256.0
@@ -61,8 +59,8 @@ class ViewControllerUtils {
 }
 
 //// In order to show the activity indicator, call the function from your view controller
-//// ViewControllerUtils().showActivityIndicator(self.view)
+//// ViewControllerUtils().showActivityIndicator(uiView: self.view)
 
 //// In order to hide the activity indicator, call the function from your view controller
-//// ViewControllerUtils().hideActivityIndicator(self.view)
+//// ViewControllerUtils().hideActivityIndicator(uiView: self.view)
 
diff --git a/swift/screenshot.png b/swift/screenshot.png
new file mode 100644
index 0000000..3a4d65d
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