@Override
    public void onOrientationChanged(CoreOrientationService orientation, int event) {
        if (getMap() == null) {
            return;
        }

        if (event == POSITION_CHANGED) {
            autoCenterRotate(true);
            refreshBinocularsLayer();
            direction_helper.updatePosition(orientation.getPosition());
            updateGpsStatusView(orientation.getPosition());
        } else if (event == POSITION_ACQUIRED) {
            updateMapForFirstTimeIfNeeded();
            direction_helper.updatePosition(orientation.getPosition());
            updateGpsStatusView(orientation.getPosition());
        }
    }