void INotificareCallback.OnError(NotificareError error) { Console.WriteLine ("error adding device tags: " + error.Message); }
void INotificareCallback.OnError(NotificareError error) { Console.WriteLine ("error registering device: " + error.Message); }
void BillingManager.IOnRefreshFinishedListener.OnRefreshFailed(NotificareError error) { Console.WriteLine ("billing refresh failed: " + error.Message); }