/// <summary> /// passing callbacks for event handling /// </summary> /// <param name="callback"></param> public void StartFetchLocationData(LocationServiceStatusCallback callback, LocationServiceValueCallback valueCallback = null) { if (mGPSCallback != null) { mGPSCallback = null; } mGPSCallback = callback; if (valueCallback != null) { if (mValueCallback != null) { mValueCallback = null; } mValueCallback = valueCallback; } if (!IsServiceRunning) { Start(); } }