public FlagCarrierMini()
        {
            nfcHandler = new NfcHandler();

            nfcHandler.CardAdded          += NfcHandler_CardAdded;
            nfcHandler.StatusMessage      += NfcHandler_StatusMessage;
            nfcHandler.ErrorMessage       += NfcHandler_ErrorMessage;
            nfcHandler.ReceiveNdefMessage += NfcHandler_ReceiveNdefMessage;
            nfcHandler.CardHandlingDone   += NfcHandler_CardHandlingDone;
            nfcHandler.NewTagUid          += NfcHandler_NewTagUid;

            acrReader = nfcHandler.GetACRReader();

            mqHandler = new MqHandler();
        }