swift spinner progressbar indicator

swift progress indicator

     var spinning: Bool = false
    
    var spinner = UIActivityIndicatorView()
    
    @IBAction func spin(_ sender: Any) {
        if !spinning {
            spinner = UIActivityIndicatorView(frame: CGRect(x: 0, y: 0, width: 200, height: 200 ) )
            spinner.center = self.view.center
            
            spinner.hidesWhenStopped = true
            spinner.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.gray
            view.addSubview(spinner)
            spinner.startAnimating()
            spinning = true
            
            // UIApplication.shared.beginIgnoringInteractionEvents()
            
        }else{
            spinner.stopAnimating()
            spinning = false
        }
        
      
    }