AirPrint
@IBOutlet weak var textView: UITextView!
@IBAction func print(sender: AnyObject) {
let printInteraction = UIPrintInteractionController.sharedPrintController()
let textFormatter = UISimpleTextPrintFormatter(text: self.textView.text)
printInteraction.printFormatter = textFormatter
printInteraction.presentAnimated(true) { (UIPrintInteractionController, Bool, NSError) -> Void in
}
}