     // Outlet & action - camera button 
     @IBOutlet var cameraButton: UIBarButtonItem!
     @IBAction func cameraButtonAction(sender: AnyObject) {
+        // show action shee to choose image source.
         self.showImageSourceActionSheet()
     }
     

    // Outlet & action - save button
    @IBOutlet var saveButton: UIBarButtonItem!
    @IBAction func saveButtonAction(sender: UIBarButtonItem) {
        
        UIImageWriteToSavedPhotosAlbum(self.previewImageView.image!, nil, nil, nil)
        
        print("Image Saved")
    }
    
    

    
    // Selected image
    var selctedImage: UIImage!

    
    // message label
    @IBOutlet var messageLabel: UILabel!
