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let alert = UIAlertController(title: nil, message: "Please wait...", preferredStyle: .Alert)

    alert.view.tintColor = UIColor.blackColor()
    let loadingIndicator: UIActivityIndicatorView = UIActivityIndicatorView(frame: CGRectMake(10, 5, 50, 50)) as UIActivityIndicatorView
    loadingIndicator.hidesWhenStopped = true
    loadingIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.Gray
    loadingIndicator.startAnimating();

    alert.view.addSubview(loadingIndicator)
    presentViewController(alert, animated: true, completion: nil)

//dismissViewControllerAnimated(false, completion: nil)