@Override
public void onCellInfoChanged(List<CellInfo> cellInfo) {
CellLocationInfo.Params p;
List<CellLocationInfo> cells = new ArrayList<CellLocationInfo>(cellInfo.size());
for (CellInfo info : cellInfo) {
p = new CellLocationInfo.Params();
p.time = info.getTimeStamp();
if (info instanceof CellInfoCdma) {
CellInfoCdma cdma = (CellInfoCdma) info;
p.id = cdma.getCellIdentity().getBasestationId();
p.lat = cdma.getCellIdentity().getLatitude();
p.lon = cdma.getCellIdentity().getLongitude();
p.dbm = cdma.getCellSignalStrength().getDbm(); // there's two other dbm methods
p.asu = cdma.getCellSignalStrength().getAsuLevel();
} else if (info instanceof CellInfoGsm) {
CellInfoGsm gsm = (CellInfoGsm) info;
p.id = gsm.getCellIdentity().getCid();
p.dbm = gsm.getCellSignalStrength().getDbm();
p.asu = gsm.getCellSignalStrength().getAsuLevel();
} else if (info instanceof CellInfoLte) {
CellInfoLte lte = (CellInfoLte) info;
p.id = lte.getCellIdentity().getCi();
p.dbm = lte.getCellSignalStrength().getDbm();
p.asu = lte.getCellSignalStrength().getAsuLevel();
} else if (info instanceof CellInfoWcdma) {
CellInfoWcdma wcdma = (CellInfoWcdma) info;
p.id = wcdma.getCellIdentity().getCid();
p.dbm = wcdma.getCellSignalStrength().getDbm();
p.asu = wcdma.getCellSignalStrength().getAsuLevel();
}
cells.add(new CellLocationInfo(p));
}
cellInfos = cells.toArray(new CellLocationInfo[cells.size()]);
notifyListeners(EVENT_CELL_INFOS);
}
/**
* Retrieves the tower ID, network type, RSS, and timestamp for a GSM cell.
*
* @param info
* @return
*/
private CellularInfo processGsmInfo(CellInfoGsm info) {
int id = info.getCellIdentity().getCid();
int asu = info.getCellSignalStrength().getAsuLevel();
int rss = info.getCellSignalStrength().getDbm();
String type = CellularInfo.TYPE_GSM;
// RSS can not always be obtained
String strRss = (asu == 99 || rss > 100 || rss < -200) ? "N/A" : Integer.toString(rss);
if (id < 0) return null;
return new CellularInfo(Integer.toString(id), type, strRss, Utils.getTimestamp());
}