AVCamBarcode.CameraViewController.OnSessionWasInterrupted C# (CSharp) Метод

		void OnSessionWasInterrupted (NSNotification notification)
		{
			// In some scenarios we want to enable the user to resume the session running.
			// For example, if music playback is initiated via control center while
			// using AVMetadataRecordPlay, then the user can let AVMetadataRecordPlay resume
			// the session running, which will stop music playback. Note that stopping
			// music playback in control center will not automatically resume the session
			// running. Also note that it is not always possible to resume

			var reasonIntegerValue = ((NSNumber)notification.UserInfo [AVCaptureSession.InterruptionReasonKey]).Int32Value;
			var reason = (AVCaptureSessionInterruptionReason)reasonIntegerValue;

			Console.WriteLine ($"Capture session was interrupted with reason {reason}");
			if (reason == AVCaptureSessionInterruptionReason.VideoDeviceNotAvailableWithMultipleForegroundApps) {
				// Simply fade-in a label to inform the user that the camera is unavailable.
				CameraUnavailableLabel.Hidden = false;
				CameraUnavailableLabel.Alpha = 0;
				UIView.Animate (0.25, () => {
					CameraUnavailableLabel.Alpha = 1;
				});
			}
		}