LibPhoneStateListener.java 文件源码

private void checkCDMACellSID (CellLocation cell)
{
    if (cell instanceof CdmaCellLocation)
    {
        CdmaCellLocation cdmaCell = (CdmaCellLocation)cell;
        if (cdmaCell.getSystemId() <= 0)
        {
            Field getSIDPointer = null;
            Field getNIDPointer = null;
            int SID = 0, NID = 0, BID = cdmaCell.getBaseStationId();
            try {
                getSIDPointer = mPhoneState.previousServiceStateObj.getClass().getDeclaredField("mSystemId");
                if (getSIDPointer != null)
                {
                    getSIDPointer.setAccessible(true);
                    SID = (int) getSIDPointer.getInt(cdmaCell);
                }
                getNIDPointer = mPhoneState.previousServiceStateObj.getClass().getDeclaredField("mNetworkId");
                if (getNIDPointer != null)
                {
                    getNIDPointer.setAccessible(true);
                    NID = (int) getNIDPointer.getInt(cdmaCell);
                }
                cdmaCell.setCellLocationData(BID, cdmaCell.getBaseStationLatitude(), cdmaCell.getBaseStationLongitude(),
                                            SID, NID); // Update the SID and NID that we read from teh Servicestate
            } catch (Exception e) {
                //MMCLogger.logToFile(MMCLogger.Level.ERROR, TAG, "checkInnerGsmCellLocation","Field does not exist - mGsmCellLoc");
            }
        }
    }
}