     @IBOutlet weak var scrollView: UIScrollView!
     @IBOutlet weak var stackView: UIStackView!
     
+    var activityView: UIActivityIndicatorView?
+    
     override func viewDidLoad() {
         super.viewDidLoad()
         

            ),
            dispatch_get_main_queue(), closure)
    }
}
        
        if let parserBridge = parserBridge {
            
            showActivityIndicator()
            
            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
                let atomBytes = parserBridge.getAtomBytes(self.atom!)
            
                dispatch_async(dispatch_get_main_queue()) {
                    self.removeActivityIndicator()
                    if atomBytes != nil {
                        self.rawDataLabel.text = "Raw Data"
                        self.rawData.text = atomBytes
                    }
                }
            }
        }
        
