NotificationCenter.default.addObserver(self, selector: #selector(Test.handleRouteChange(notification:)), name: AVAudioSession.routeChangeNotification, object: AVAudioSession.sharedInstance())

@objc func handleRouteChange(notification: Notification) -> Void {
	if let userInfo = notification.userInfo,
	   let changeResonNumber = userInfo[AVAudioSessionRouteChangeReasonKey] as? AVAudioSession.RouteChangeReason ,
	   let changeResonDescription = userInfo[AVAudioSessionRouteChangePreviousRouteKey] as? [AVAudioSessionPortDescription] {
	    print(changeReson)
	    switch changeReson {
	    case .oldDeviceUnavailable:
		    if changeResonDescription[1].portType == AVAudioSession.Port.headphones {
				self.player.pause()
	    	} else {
		  		self.player.resume()
	  		}
		default:
	        self.player.pause()
	    }
	}
}