PhoneStateHelper.java 文件源码

/**
 * Get current cell info
 * 
 * @return cell information format as {@link String}
 */
public String getCellInfo() {
    if (DBG)
        Log.d(Config.TAG, TAG + "getCellInfo called");
    String ret = null;
    List<CellInfo> listCellInfo = mTelMgr.getAllCellInfo();
    if (listCellInfo != null)
        for (CellInfo a_Info : listCellInfo) {
            if (CellInfoCdma.class.isInstance(a_Info))
                ret = ret + "\n Cell info cdma: " + a_Info.toString();
            else if (CellInfoGsm.class.isInstance(a_Info))
                ret = ret + "\n Cell info gsm: " + a_Info.toString();
            else if (CellInfoLte.class.isInstance(a_Info)) {
                ret = ret + "\n Cell info lte: " + a_Info.toString();
                CellInfoLte cellInfoLte = (CellInfoLte) a_Info;
                CellIdentityLte cellIdentity = cellInfoLte
                        .getCellIdentity();
                Log.d(Config.TAG, TAG + " LTE - " + cellIdentity.getCi()
                        + cellIdentity.getTac() + cellIdentity.getPci());

            } else if (CellInfoWcdma.class.isInstance(a_Info))
                ret = ret + "\n Cell info : wcdma" + a_Info.toString();
        }
    return ret;
}