WirelessLoggerService.java 文件源码

/**
 * Create a {@link CellRecord} for the serving cell by parsing {@link CellLocation}
 *
 * @param cell     {@link CellLocation}
 * @param position {@link PositionRecord} Current position
 * @return Serialized cell record
 */
@SuppressLint("NewApi")
private CellRecord processServingCellLocation(final CellLocation cell, final PositionRecord position) {
    if (cell instanceof GsmCellLocation) {
        /*
* In case of GSM network set GSM specific values
*/
        final GsmCellLocation gsmLocation = (GsmCellLocation) cell;

        if (isValidGsmCell(gsmLocation)) {
            Log.i(TAG, "Assuming gsm (assumption based on cell-id" + gsmLocation.getCid() + ")");
            final CellRecord serving = processGsm(position, gsmLocation);

            if (serving == null) {
                return null;
            }

            return serving;
        }
    } else if (cell instanceof CdmaCellLocation) {
        final CdmaCellLocation cdmaLocation = (CdmaCellLocation) cell;
        if (isValidCdmaCell(cdmaLocation)) {
/*
 * In case of CDMA network set CDMA specific values
 * Assume CDMA network, if cdma location and basestation, network and system id are available
 */
            Log.i(TAG, "Assuming cdma for cell " + cdmaLocation.getBaseStationId());
            return processCdma(position, cdmaLocation);
        }
    }
    return null;
}