static readonly int REQUEST_CAMERA = 0;

public override void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults) {
			Log.Info("TEST", "5. Callback received when a permissions request has been completed");

			if (requestCode == REQUEST_CAMERA) {
				Log.Info("TEST", "6. Check CAMERA PERMISSION");

				if (grantResults.Length == 1 && grantResults[0] == Permission.Granted) {
					Log.Info("TEST", "7. Camera permission has been granted");
				} else {
					Log.Info("TEST", "7. Camera been has NOT been granted");
				}

			} else {
				Log.Info("TEST", "6. Callback CAMERA NO");
				base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
			}
}