GeoPingSlaveLocationService.java 文件源码

/**
 * {link http://www.devx.com/wireless/Article/40524/0/page/2}
 */
private int[] getCellId() {
    int[] cellId = new int[0];
    CellLocation cellLoc = telephonyManager.getCellLocation();
    if (cellLoc != null && (cellLoc instanceof GsmCellLocation)) {
        GsmCellLocation gsmLoc = (GsmCellLocation) cellLoc;
        gsmLoc.getPsc();
        // gsm cell id
        int cid = gsmLoc.getCid();
        // gsm location area code
        int lac = gsmLoc.getLac();
        // On a UMTS network, returns the primary scrambling code of the
        // serving cell.
        int psc = gsmLoc.getPsc();
        Log.d(TAG, String.format("Cell Id : %s  / Lac : %s  / Psc : %s", cid, lac, psc));
        if (psc > -1) {
            cellId = new int[3];
            cellId[2] = psc;
        } else {
            cellId = new int[2];
        }
        cellId[0] = cid;
        cellId[1] = lac;
    }
    return cellId;
}