android.telephony.gsm.GsmCellLocation Java Examples

private boolean isCellLocationEqual(CellLocation cl1, CellLocation cl2) {
    boolean result;
    if (cl1 instanceof GsmCellLocation && cl2 instanceof GsmCellLocation) {
        GsmCellLocation gsm1 = (GsmCellLocation) cl1;
        GsmCellLocation gsm2 = (GsmCellLocation) cl2;
        result = (gsm1.getCid() == gsm2.getCid()
                && gsm1.getLac() == gsm2.getLac()
                && gsm1.getPsc() == gsm2.getPsc());
        Timber.d("isCellLocationEqual(): GSM equals = %s", result);
    } else if (cl1 instanceof CdmaCellLocation && cl2 instanceof CdmaCellLocation) {
        CdmaCellLocation cdma1 = (CdmaCellLocation) cl1;
        CdmaCellLocation cdma2 = (CdmaCellLocation) cl2;
        result = (cdma1.getBaseStationId() == cdma2.getBaseStationId()
                && cdma1.getNetworkId() == cdma2.getNetworkId()
                && cdma1.getSystemId() == cdma2.getSystemId());
        Timber.d("isCellLocationEqual(): CDMA equal = %s", result);
    } else {
        // different types or nulls
        result = false;
        Timber.d("isCellLocationEqual(): Different types or nulls");
    }
    return result;
}
 

@Nullable
static CellLocationSingleData fromCellLocation(@Nullable CellLocation location) {
    int cid, lac;
    if (location != null) {
        if (location instanceof GsmCellLocation) {
            cid = ((GsmCellLocation) location).getCid();
            lac = ((GsmCellLocation) location).getLac();
        }
        else if (location instanceof CdmaCellLocation) {
            cid = ((CdmaCellLocation) location).getBaseStationId();
            lac = ((CdmaCellLocation) location).getSystemId();
        } else {
            //TODO: More
            return null;
        }
        return new CellLocationSingleData(cid, lac);
    }
    return null;
}
 

ay(CellLocation celllocation)
{
    a = 0x7fffffff;
    b = 0x7fffffff;
    c = 0x7fffffff;
    d = 0x7fffffff;
    e = 0x7fffffff;
    if (celllocation != null)
    {
        if (celllocation instanceof GsmCellLocation)
        {
            GsmCellLocation gsmcelllocation = (GsmCellLocation)celllocation;
            e = gsmcelllocation.getCid();
            d = gsmcelllocation.getLac();
        } else
        if (celllocation instanceof CdmaCellLocation)
        {
            CdmaCellLocation cdmacelllocation = (CdmaCellLocation)celllocation;
            c = cdmacelllocation.getBaseStationId();
            b = cdmacelllocation.getNetworkId();
            a = cdmacelllocation.getSystemId();
            return;
        }
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    GsmCellLocation cl = (GsmCellLocation) CellLocation.getEmpty();
    CellLocation.requestLocationUpdate();
    System.out.println("GsmCellLocation " + cl.toString());
    MainActivity.context = getApplicationContext();
    setContentView(R.layout.activity_dual_sim_card_main);

    AdView mAdView = (AdView) findViewById(R.id.adView);
    AdRequest adRequest = new AdRequest.Builder().build();
    mAdView.loadAd(adRequest);


    clockwise(findViewById(R.id.listView));
    //readSims();
}
 

/**
 * Parses data from PhoneStateListener.LISTEN_CELL_LOCATION.onCellLocationChanged
 * http://developer.android.com/reference/android/telephony/cdma/CdmaCellLocation.html
 * @param location GsmCellLocation
 * @return JSON
 */
public static String gsmCellLocationJSON(GsmCellLocation location){

    final Calendar calendar = Calendar.getInstance();
    final JSONObject json = new JSONObject();

    if(location != null){
        try {
            json.put("provider", CELLLOCATION_PROVIDER);
            json.put("type", GSM);
            json.put("timestamp", calendar.getTimeInMillis());
            json.put("cid", location.getCid());
            json.put("lac", location.getLac());
            json.put("psc", location.getPsc());
        }
        catch(JSONException exc) {
            logJSONException(exc);
        }
    }

    return json.toString();
}
 

/**
 * Handle a modem event by trying to pull all information. The parameter inc defines if the
 * measurement counter should be increased on success.
 * @param inc True if the measurement counter should be increased.
 */
private void handle(boolean inc) {
    if (telephonyManager == null) return;
    final List<android.telephony.CellInfo> cellInfos = telephonyManager.getAllCellInfo();
    final List<NeighboringCellInfo> neighbours = telephonyManager.getNeighboringCellInfo();
    final CellLocation cellLocation = telephonyManager.getCellLocation();
    if (cellInfos == null || cellInfos.isEmpty()) {
        if (neighbours == null || neighbours.isEmpty()) {
            if (cellLocation == null || !(cellLocation instanceof GsmCellLocation)) return;
        }
    }
    if (inc) measurement.getAndIncrement();
    add(cellLocation);
    addNeighbours(neighbours);
    addCells(cellInfos);
    synchronized (recentCells) {
        cleanup();
    }
}
 

private String getJsonCellPos() throws JSONException {
	TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
	GsmCellLocation location = (GsmCellLocation) tm.getCellLocation();
	if (location == null) {
		return null;
	}
	int cid = location.getCid();
	int lac = location.getLac();
	String netOperator = tm.getNetworkOperator();
	int mcc = Integer.valueOf(netOperator.substring(0, 3));
	int mnc = Integer.valueOf(netOperator.substring(3, 5));
	System.out.println("cid" + cid + ",lac" + lac + ",mcc" + mcc + "" + ",mnc" + mnc);
	JSONObject jsonCellPos = new JSONObject();
	jsonCellPos.put("version", "1.1.0");
	jsonCellPos.put("host", "maps.google.com");

	JSONArray array = new JSONArray();
	JSONObject json1 = new JSONObject();
	json1.put("location_area_code", "" + lac + "");
	json1.put("mobile_country_code", "" + mcc + "");
	json1.put("mobile_network_code", "" + mnc + "");
	json1.put("age", 0);
	json1.put("cell_id", "" + cid + "");
	array.put(json1);
	jsonCellPos.put("cell_towers", array);
	return jsonCellPos.toString();
}
 

public Cell convert(CellLocation cellLocation, int mcc, int mnc, NetworkGroup networkType) {
    Cell cell = new Cell();
    if (cellLocation instanceof GsmCellLocation) {
        GsmCellLocation gsmCellLocation = (GsmCellLocation) cellLocation;
        if (gsmCellLocation.getCid() <= 65535 && gsmCellLocation.getPsc() == NeighboringCellInfo.UNKNOWN_CID) {
            cell.setGsmCellLocation(mcc, mnc, gsmCellLocation.getLac(), gsmCellLocation.getCid(), NetworkGroup.Gsm);
        } else {
            // fix invalid network types (unfortunately not possible to distinguish between UMTS and LTE)
            if (networkType == NetworkGroup.Gsm || networkType == NetworkGroup.Cdma)
                networkType = NetworkGroup.Unknown;
            int psc = gsmCellLocation.getPsc();
            if (psc == NeighboringCellInfo.UNKNOWN_CID || psc == Cell.UNKNOWN_CID) {
                psc = Cell.UNKNOWN_CID;
            } else if (psc >= 504) {
                // only UMTS networks support larger PSC
                networkType = NetworkGroup.Wcdma;
            }
            cell.setGsmCellLocation(mcc, mnc, gsmCellLocation.getLac(), gsmCellLocation.getCid(), psc, networkType);
        }
    } else if (cellLocation instanceof CdmaCellLocation) {
        CdmaCellLocation cdmaCellLocation = (CdmaCellLocation) cellLocation;
        cell.setCdmaCellLocation(cdmaCellLocation.getSystemId(), cdmaCellLocation.getNetworkId(), cdmaCellLocation.getBaseStationId());
    } else {
        throw new UnsupportedOperationException("Cell location type not supported `" + cellLocation.getClass().getName() + "`");
    }
    return cell;
}
 

public static CellInfo getCellInfo(Context context) {
    CellInfo cellInfo = new CellInfo();

    TelephonyManager manager = (TelephonyManager)
            context.getSystemService(Context.TELEPHONY_SERVICE);

    String netOperator = manager.getNetworkOperator();

    // Fix crash when not connected to network (airplane mode, underground,
    // etc)
    if (netOperator == null || netOperator.length() < 3) {
        return cellInfo;
    }

    /*
     * FIXME: Actually check for mobile network status == connected before
     * doing this stuff.
     */

    if (Phone.getType(context).equals(PHONE_TYPE_CDMA)) {
        CdmaCellLocation cdmaLocation = (CdmaCellLocation) manager.getCellLocation();

        cellInfo.cid = cdmaLocation.getBaseStationId();
        cellInfo.lac = cdmaLocation.getNetworkId();
        cellInfo.mnc = cdmaLocation.getSystemId();
        cellInfo.mcc = Integer.parseInt(netOperator.substring(0, 3));
        cellInfo.radioType = Network.getMobileNetworkType(context);
    } else if (Phone.getType(context).equals(PHONE_TYPE_GSM)) {
        GsmCellLocation gsmLocation = (GsmCellLocation) manager.getCellLocation();

        cellInfo.mcc = Integer.parseInt(netOperator.substring(0, 3));
        cellInfo.mnc = Integer.parseInt(netOperator.substring(3));
        cellInfo.lac = gsmLocation.getLac();
        cellInfo.cid = gsmLocation.getCid();
        cellInfo.radioType = Network.getMobileNetworkType(context);
    }

    return cellInfo;
}
 

/**
 * Add a CellLocation, usually called if the phone switched to a new tower.
 * @param icell The new cell location.
 */
public void add(CellLocation icell) {
    if (icell == null) {
        return;
    }
    if (!(icell instanceof GsmCellLocation)) {
        return;
    }
    GsmCellLocation cell = (GsmCellLocation) icell;
    List<CellInfo> cellInfos = db.query(cell.getCid(), cell.getLac());
    if (cellInfos != null && !cellInfos.isEmpty()) {
        long measurement = this.measurement.get();
        for (CellInfo cellInfo : cellInfos) {
            cellInfo.measurement = measurement;
            cellInfo.seen = System.currentTimeMillis();
            pushRecentCells(cellInfo);
        }
    } else {
        CellInfo ci = new CellInfo();
        ci.measurement = this.measurement.get();
        ci.lng = 0d;
        ci.lat = 0d;
        ci.CID = ((GsmCellLocation) icell).getCid();
        ci.LAC = ((GsmCellLocation) icell).getLac();
        ci.MCC = -1;
        ci.MNC = -1;
        pushUnusedCells(ci);
    }
}
 

@Override
public Object onInvoke(Object originObject, Object proxyObject, Method method, Object[] args) throws InvocationTargetException, IllegalAccessException {
    if (!GpsMockManager.getInstance().isMocking()) {
        return method.invoke(originObject, args);
    }

    return new GsmCellLocation();
}
 

public String getJsonCellPos1() {
	TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
	GsmCellLocation location = (GsmCellLocation) tm.getCellLocation();
	if (location == null) {
		return null;
	}
	int cid = location.getCid();
	int lac = location.getLac();
	String netOperator = tm.getNetworkOperator();
	int mcc = Integer.valueOf(netOperator.substring(0, 3));
	int mnc = Integer.valueOf(netOperator.substring(3, 5));
	System.out.println("cid" + cid + ",lac" + lac + ",mcc" + mcc + "" + ",mnc" + mnc);
	holder = new JSONObject();
	JSONArray array = new JSONArray();
	JSONObject data = new JSONObject();
	try {
		holder.put("version", "1.1.0");
		holder.put("host", "maps.google.com");
		holder.put("address_language", "zh_CN");
		holder.put("request_address", true);
		holder.put("radio_type", "gsm");
		holder.put("carrier", "HTC");
		data.put("cell_id", cid);
		data.put("location_area_code", lac);
		data.put("mobile_countyr_code", mcc);
		data.put("mobile_network_code", mnc);
		array.put(data);
		holder.put("cell_towers", array);
		Log.i(TAG, "JSON��Ϣ��" + holder.toString());
		return holder.toString();
	} catch (JSONException e) {
		e.printStackTrace();
	}
	return null;

}
 

/**
 * Adds or updates a cell tower.
 * <p>
 * If the cell tower is already in the list, its data is updated; if not, a
 * new entry is created.
 * <p>
 * This method will set the cell's identity data. After this call,
 * {@link #isServing()} will return {@code true} for this cell.
 * @param networkOperator The network operator, as returned by {@link android.telephony.TelephonyManager#getNetworkOperator()}.
 * @param location The {@link android.telephony.GsmCellLocation}, as returned by {@link android.telephony.TelephonyManager#getCellLocation()}.
 * @return The new or updated entry.
 */
public CellTowerLte update(String networkOperator, GsmCellLocation location) {
	int mcc = CellTower.UNKNOWN;
	int mnc = CellTower.UNKNOWN;
	if (networkOperator.length() > 3) {
		mcc = Integer.parseInt(networkOperator.substring(0, 3));
		mnc = Integer.parseInt(networkOperator.substring(3));
	}
	CellTowerLte result = null;
	CellTowerLte cand = this.get(mcc, mnc, location.getLac(), location.getCid());
	if ((cand != null) && CellTower.matches(location.getPsc(), cand.getPci()))
		result = cand;
	if (result == null) {
		cand = this.get(location.getPsc());
		if ((cand != null)
				&& CellTower.matches(mcc, cand.getMcc())
				&& CellTower.matches(mnc, cand.getMnc())
				&& CellTower.matches(location.getLac(), cand.getTac())
				&& CellTower.matches(location.getCid(), cand.getCi()))
			result = cand;
	}
	if (result == null)
		result = new CellTowerLte(mcc, mnc, location.getLac(), location.getCid(), location.getPsc());
	if (result.getMcc() == CellTower.UNKNOWN)
		result.setMcc(mcc);
	if (result.getMnc() == CellTower.UNKNOWN)
		result.setMnc(mnc);
	if (result.getTac() == CellTower.UNKNOWN)
		result.setTac(location.getLac());
	if (result.getCi() == CellTower.UNKNOWN)
		result.setCi(location.getCid());
	if (result.getPci() == CellTower.UNKNOWN)
		result.setPci(location.getPsc());
	this.put(result.getText(), result);
	this.put(result.getAltText(), result);
	result.setCellLocation(true);
	Log.d(this.getClass().getSimpleName(), String.format("Added GsmCellLocation for %s, %d G", result.getText(), result.getGeneration()));
	return result;
}
 

/**
 * Adds or updates a cell tower.
 * <p>
 * If the cell tower is already in the list, its data is updated; if not, a
 * new entry is created.
 * <p>
 * This method will set the cell's identity data. After this call,
 * {@link #isServing()} will return {@code true} for this cell. 
 * @param networkOperator The network operator, as returned by {@link android.telephony.TelephonyManager#getNetworkOperator()}.
 * @param location The {@link android.telephony.GsmCellLocation}, as returned by {@link android.telephony.TelephonyManager#getCellLocation()}.
 * @return The new or updated entry.
 */
public CellTowerGsm update(String networkOperator, GsmCellLocation location) {
	int mcc = CellTower.UNKNOWN;
	int mnc = CellTower.UNKNOWN;
	if (networkOperator.length() > 3) {
		mcc = Integer.parseInt(networkOperator.substring(0, 3));
		mnc = Integer.parseInt(networkOperator.substring(3));
	}
	CellTowerGsm result = null;
	CellTowerGsm cand = this.get(mcc, mnc, location.getLac(), location.getCid());
	if ((cand != null) && CellTower.matches(location.getPsc(), cand.getPsc()))
		result = cand;
	if (result == null) {
		cand = this.get(location.getPsc());
		if ((cand != null)
				&& CellTower.matches(mcc, cand.getMcc())
				&& CellTower.matches(mnc, cand.getMnc())
				&& CellTower.matches(location.getLac(), cand.getLac())
				&& CellTower.matches(location.getCid(), cand.getCid()))
			result = cand;
	}
	if (result == null)
		result = new CellTowerGsm(mcc, mnc, location.getLac(), location.getCid(), location.getPsc());
	if (result.getMcc() == CellTower.UNKNOWN)
		result.setMcc(mcc);
	if (result.getMnc() == CellTower.UNKNOWN)
		result.setMnc(mnc);
	if (result.getLac() == CellTower.UNKNOWN)
		result.setLac(location.getLac());
	if (result.getCid() == CellTower.UNKNOWN)
		result.setCid(location.getCid());
	if (result.getPsc() == CellTower.UNKNOWN)
		result.setPsc(location.getPsc());
	this.put(result.getText(), result);
	this.put(result.getAltText(), result);
	if ((result.getText() == null) && (result.getAltText() == null))
		Log.d(this.getClass().getSimpleName(), String.format("Added %d G cell with no data from GsmCellLocation", result.getGeneration()));
	result.setCellLocation(true);
	return result;
}
 

private String getLAC() {
	try {
		if(tm.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) {
			GsmCellLocation gLoc = (GsmCellLocation) tm.getCellLocation();
			if(gLoc != null) {
				return Integer.toString(gLoc.getLac());
			}
		}						
	} catch(NullPointerException e) {
		Logger.e(LOG, e);
	}
	
	return null;
}
 

private String getCellId() {	
	try {			
		String out = "";
		if (tm.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM) {
			final GsmCellLocation gLoc = (GsmCellLocation) tm.getCellLocation();
			out = Integer.toString(gLoc.getCid());
		} else if(tm.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA) {
			final CdmaCellLocation cLoc = (CdmaCellLocation) tm.getCellLocation();
			out = Integer.toString(cLoc.getBaseStationId());
		}
		return out;
	} catch(NullPointerException e) {
		return null;
	}
}
 

private static CellLocation getDefacedCellLocation(int uid) {
	int cid = (Integer) PrivacyManager.getDefacedProp(uid, "CID");
	int lac = (Integer) PrivacyManager.getDefacedProp(uid, "LAC");
	if (cid > 0 && lac > 0) {
		GsmCellLocation cellLocation = new GsmCellLocation();
		cellLocation.setLacAndCid(lac, cid);
		return cellLocation;
	} else
		return CellLocation.getEmpty();
}
 

public boolean isValid(CellLocation cellLocation, int mcc, int mnc) {
    if (cellLocation instanceof GsmCellLocation) {
        GsmCellLocation gsmCellLocation = (GsmCellLocation) cellLocation;
        return getGsmValidator().isValid(gsmCellLocation, mcc, mnc);
    }
    if (cellLocation instanceof CdmaCellLocation) {
        CdmaCellLocation cdmaCellLocation = (CdmaCellLocation) cellLocation;
        return getCdmaValidator().isValid(cdmaCellLocation);
    }
    throw new UnsupportedOperationException("Cell location type not supported `" + cellLocation.getClass().getName() + "`");
}
 

public boolean isValid(GsmCellLocation cell, int mcc, int mnc) {
    boolean valid = isValid(cell.getCid(), cell.getLac(), mnc, mcc, cell.getPsc());
    if (!valid) {
        Timber.w("isValid(): Invalid GsmCellLocation [mcc=%s, mnc =%s, lac=%s, cid=%s, psc=%s]", mcc, mnc, cell.getLac(), cell.getCid(), cell.getPsc());
        Timber.w("isValid(): Invalid GsmCellLocation %s", cell);
    }
    return valid;
}
 

public static GSMInfo getGSMInfo(Context context) {
    try {
        GSMInfo info = new GSMInfo();
        TelephonyManager manager = (TelephonyManager) context.getSystemService("phone");
        if (manager != null) {
            CellLocation cellLocation = manager.getCellLocation();
            int lac = 0;
            int cellid = 0;
            if (cellLocation != null) {
                if (cellLocation instanceof GsmCellLocation) {
                    lac = ((GsmCellLocation) cellLocation).getLac();
                    cellid = ((GsmCellLocation) cellLocation).getCid();
                } else if (cellLocation instanceof CdmaCellLocation) {
                    cellid = ((CdmaCellLocation) cellLocation).getNetworkId();
                    lac = ((CdmaCellLocation) cellLocation).getBaseStationId();
                }
            }
            info.lac = lac;
            info.cid = cellid;
        }
        AMapLocation location = AMapLocationTool.getInstance().location();
        if (location != null) {
            info.latitude = location.getLatitude();
            info.longitude = location.getLongitude();
            return info;
        }
        info.latitude = Double.parseDouble(PreferencesManager.getInstance().getLocationLongitude());
        info.longitude = Double.parseDouble(PreferencesManager.getInstance().getLocationLatitude());
        return info;
    } catch (Exception e) {
        LogInfo.log("ZSM++ ==== GSM exception e == " + e.getMessage());
        e.printStackTrace();
        return null;
    }
}
 

/**
 * Called from native code to request reference location info
 */
private void requestRefLocation() {
    TelephonyManager phone = (TelephonyManager)
            mContext.getSystemService(Context.TELEPHONY_SERVICE);
    final int phoneType = phone.getPhoneType();
    if (phoneType == TelephonyManager.PHONE_TYPE_GSM) {
        GsmCellLocation gsm_cell = (GsmCellLocation) phone.getCellLocation();
        if ((gsm_cell != null) && (phone.getNetworkOperator() != null)
                && (phone.getNetworkOperator().length() > 3)) {
            int type;
            int mcc = Integer.parseInt(phone.getNetworkOperator().substring(0, 3));
            int mnc = Integer.parseInt(phone.getNetworkOperator().substring(3));
            int networkType = phone.getNetworkType();
            if (networkType == TelephonyManager.NETWORK_TYPE_UMTS
                    || networkType == TelephonyManager.NETWORK_TYPE_HSDPA
                    || networkType == TelephonyManager.NETWORK_TYPE_HSUPA
                    || networkType == TelephonyManager.NETWORK_TYPE_HSPA
                    || networkType == TelephonyManager.NETWORK_TYPE_HSPAP) {
                type = AGPS_REF_LOCATION_TYPE_UMTS_CELLID;
            } else {
                type = AGPS_REF_LOCATION_TYPE_GSM_CELLID;
            }
            native_agps_set_ref_location_cellid(type, mcc, mnc,
                    gsm_cell.getLac(), gsm_cell.getCid());
        } else {
            Log.e(TAG, "Error getting cell location info.");
        }
    } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) {
        Log.e(TAG, "CDMA not supported.");
    }
}
 

private ParseResult parse(Location location, CellLocation cellLocation, SignalStrength signalStrength,
                          NetworkGroup networkType, String operatorCode, String operatorName, List<NeighboringCellInfo> neighboringCells,
                          long timestamp, int minDistance) {
    // if required accuracy was achieved
    if (!locationValidator.isValid(location)) {
        Timber.d("parse(): Required accuracy not achieved: %s", location.getAccuracy());
        return ParseResult.AccuracyNotAchieved;
    }
    Timber.d("parse(): Required accuracy achieved: %s", location.getAccuracy());
    // get last location
    getAndSetLastLocation();
    // operator name may be unreliable for CDMA
    Timber.d("parse(): Operator name = '%s'", operatorName);
    // get operator codes
    int mcc = Cell.UNKNOWN_CID;
    int mnc = Cell.UNKNOWN_CID;
    if (cellLocation instanceof GsmCellLocation) {
        int[] mccMncPair = MobileUtils.getMccMncPair(operatorCode);
        if (mccMncPair != null) {
            mcc = mccMncPair[0];
            mnc = mccMncPair[1];
        } else {
            Timber.d("parseLocation(): Network operator unknown: %s", operatorCode);
        }
    }
    // validate cell
    if (!cellLocationValidator.isValid(cellLocation, mcc, mnc)) {
        Timber.d("parse(): Cell invalid");
        return ParseResult.NoNetworkSignal;
    }
    // create measurement with basic data
    Measurement measurement = new Measurement();
    measurement.setMeasuredAt(System.currentTimeMillis());
    Cell mainCell = cellLocationConverter.convert(cellLocation, mcc, mnc, networkType);
    measurement.addCell(mainCell);
    // fix time if incorrect
    fixMeasurementTimestamp(measurement, location);
    // if the same cell check distance condition, otherwise accept
    if (lastSavedMeasurement != null && lastSavedLocation != null && !conditionsValidator.isMinDistanceSatisfied(lastSavedLocation, location, minDistance)) {
        List<String> lastMeasurementsCellKeys = new ArrayList<>();
        for (Cell lastCell : lastSavedMeasurement.getCells()) {
            lastMeasurementsCellKeys.add(createCellKey(lastCell));
        }
        boolean mainCellChanged = !lastMeasurementsCellKeys.contains(createCellKey(mainCell));
        if (mainCellChanged) {
            Timber.d("parse(): Distance condition not achieved but cell changed");
        } else {
            Timber.d("parse(): Distance condition not achieved");
            return ParseResult.DistanceNotAchieved;
        }
    }
    // check if location has been obtained recently
    if (!locationValidator.isUpToDate(timestamp, System.currentTimeMillis())) {
        Timber.d("parse(): Location too old");
        return ParseResult.LocationTooOld;
    }
    Timber.d("parse(): Destination and time conditions achieved");
    // update measurement with location
    updateMeasurementWithLocation(measurement, location);
    // update measurement with signal strength
    if (signalStrength != null) {
        cellSignalConverter.update(mainCell, signalStrength);
    }
    if (collectNeighboringCells) {
        // remove duplicated neighboring cells
        removeDuplicatedNeighbors(neighboringCells, mainCell);
        // process neighboring cells
        for (NeighboringCellInfo neighboringCell : neighboringCells) {
            // validate cell
            if (cellLocationValidator.isValid(neighboringCell, mcc, mnc)) {
                // set values
                Cell tempCell = cellLocationConverter.convert(neighboringCell, mcc, mnc, mainCell.getLac(), mainCell.getCid());
                // update measurement with signal strength
                cellSignalConverter.update(tempCell, neighboringCell.getRssi());
                // save
                measurement.addCell(tempCell);
                Timber.d("parse(): Neighboring cell valid: %s", neighboringCell);
            } else {
                Timber.d("parse(): Neighboring cell invalid: %s", neighboringCell);
            }
        }
    }
    // write to database
    Timber.d("parse(): Measurement: %s", measurement);
    boolean inserted = MeasurementsDatabase.getInstance(MyApplication.getApplication()).insertMeasurement(measurement);
    if (inserted) {
        lastSavedLocation = location;
        lastSavedMeasurement = measurement;
        Timber.d("parse(): Measurement saved");
        // broadcast information to main activity
        Statistics stats = MeasurementsDatabase.getInstance(MyApplication.getApplication()).getMeasurementsStatistics();
        EventBus.getDefault().post(new MeasurementSavedEvent(measurement, stats));
        EventBus.getDefault().post(new MeasurementsCollectedEvent(measurement));
        Timber.d("parse(): Notification updated and measurement broadcasted");
        return ParseResult.Saved;
    } else {
        return ParseResult.SaveFailed;
    }
}
 

/**
 * 获取手机基站的CID (Cell Tower ID)
 */
public static int getCellLocationCid(Activity activity) {
    TelephonyManager telephonyManager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
    GsmCellLocation location = (GsmCellLocation) telephonyManager.getCellLocation();
    return location.getCid();
}
 

/**
 * 获取手机基站的LAC (Location Aera Code)
 */
public static int getCellLocationLac(Activity activity) {
    TelephonyManager telephonyManager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
    GsmCellLocation location = (GsmCellLocation) telephonyManager.getCellLocation();
    return location.getLac();
}
 

/**
 * 获取手机基站的CID (Cell Tower ID)
 */
public static int getCellLocationCid(Activity activity) {
    TelephonyManager telephonyManager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
    GsmCellLocation location = (GsmCellLocation) telephonyManager.getCellLocation();
    return location.getCid();
}
 

/**
 * 获取手机基站的LAC (Location Aera Code)
 */
public static int getCellLocationLac(Activity activity) {
    TelephonyManager telephonyManager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);
    GsmCellLocation location = (GsmCellLocation) telephonyManager.getCellLocation();
    return location.getLac();
}
 

private void setPhoneStateListener(){

        if(_returnSignalStrength){
            _signalStrengthListener = new SignalStrengthListener();
            _signalStrengthListener.setListener(new StrengthChange() {
                @Override
                public SignalStrength onSignalStrengthChanged(SignalStrength signalStrength) {

                    if(!Thread.currentThread().isInterrupted()){
                        sendCallback(PluginResult.Status.OK,
                                JSONHelper.signalStrengthJSON(signalStrength));
                    }

                    return null;
                }
            });

            _telephonyManager.listen(_signalStrengthListener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
        }

        _phoneStateListener = new PhoneStateListener(){
            @Override
            public void onCellLocationChanged(CellLocation location){

                if(!Thread.currentThread().isInterrupted()){
                    if(location instanceof CdmaCellLocation){
                        final CdmaCellLocation cellLocationCdma = (CdmaCellLocation) location;
                        sendCallback(PluginResult.Status.OK,
                                JSONHelper.cdmaCellLocationJSON(cellLocationCdma));
                    }
                    if(location instanceof GsmCellLocation){
                        final GsmCellLocation cellLocationGsm = (GsmCellLocation) location;
                        sendCallback(PluginResult.Status.OK,
                                JSONHelper.gsmCellLocationJSON(cellLocationGsm));
                    }
                }
            }

            @Override
            public void onCellInfoChanged(List<CellInfo> cellInfo){
                if(!Thread.currentThread().isInterrupted()){
                    processCellInfos(cellInfo);
                }
            }
        };

        _telephonyManager.listen(_phoneStateListener, PhoneStateListener.LISTEN_CELL_LOCATION);
    }
 

/**
 * Description:    Add entries to the "DBi_measure" DB table
 *
 * Issues:
 *                  [ ]
 *
 * Notes:           (a)
 *
 *
 * TODO:  Remove OLD notes below, once we have new ones relevant to our new table
 *
 *  From "locationinfo":
 *
 *      $ sqlite3.exe -header aimsicd.db 'select * from locationinfo;'
 *      _id|Lac|CellID|Net|Lat|Lng|Signal|Connection|Timestamp
 *      1|10401|6828xxx|10|54.67874392|25.28693531|24|[10401,6828320,126]No|Di|HSPA||2015-01-21 20:45:10
 *
 *  From "cellinfo":
 *
 *      $ sqlite3.exe -header aimsicd.db 'select * from cellinfo;'
 *      _id|Lac|CellID|Net|Lat|Lng|Signal|Mcc|Mnc|Accuracy|Speed|Direction|NetworkType|MeasurementTaken|OCID_SUBMITTED|Timestamp
 *      1|10401|6828xxx|10|54.67874392|25.28693531|24|246|2|69.0|0.0|0.0|HSPA|82964|0|2015-01-21 20:45:10
 *
 *  Issues:
 *
 */
public void onLocationChanged(Location loc) {

    DeviceApi18.loadCellInfo(tm, mDevice);

    if (!mDevice.mCell.isValid()) {
        CellLocation cellLocation = tm.getCellLocation();
        if (cellLocation != null) {
            switch (mDevice.getPhoneID()) {

                case TelephonyManager.PHONE_TYPE_NONE:
                case TelephonyManager.PHONE_TYPE_SIP:
                case TelephonyManager.PHONE_TYPE_GSM:
                    GsmCellLocation gsmCellLocation = (GsmCellLocation) cellLocation;
                    mDevice.mCell.setCID(gsmCellLocation.getCid()); // CID
                    mDevice.mCell.setLAC(gsmCellLocation.getLac()); // LAC
                    mDevice.mCell.setPSC(gsmCellLocation.getPsc()); // PSC
                    break;

                case TelephonyManager.PHONE_TYPE_CDMA:
                    CdmaCellLocation cdmaCellLocation = (CdmaCellLocation) cellLocation;
                    mDevice.mCell.setCID(cdmaCellLocation.getBaseStationId()); // BSID ??
                    mDevice.mCell.setLAC(cdmaCellLocation.getNetworkId());     // NID
                    mDevice.mCell.setSID(cdmaCellLocation.getSystemId());      // SID
                    mDevice.mCell.setMNC(cdmaCellLocation.getSystemId());      // MNC <== BUG!??

                    break;
            }
        }
    }

    if (loc != null &&  (Double.doubleToRawLongBits(loc.getLatitude()) != 0  &&  Double.doubleToRawLongBits(loc.getLongitude()) != 0)) {

        mDevice.mCell.setLon(loc.getLongitude());       // gpsd_lon
        mDevice.mCell.setLat(loc.getLatitude());        // gpsd_lat
        mDevice.mCell.setSpeed(loc.getSpeed());         // speed        // TODO: Remove, we're not using it!
        mDevice.mCell.setAccuracy(loc.getAccuracy());   // gpsd_accu
        mDevice.mCell.setBearing(loc.getBearing());     // -- [deg]??   // TODO: Remove, we're not using it!
        mDevice.setLastLocation(loc);                   //

        // Store last known location in preference
        SharedPreferences.Editor prefsEditor;
        prefsEditor = prefs.edit();
        prefsEditor.putString(context.getString(R.string.data_last_lat_lon),
                String.valueOf(loc.getLatitude()) + ":" + String.valueOf(loc.getLongitude()));
        prefsEditor.apply();

        // This only logs a BTS if we have GPS lock
        // Test: ~~Is correct behaviour? We should consider logging all cells, even without GPS.~~
        //if (mTrackingCell) {
            // This also checks that the lac are cid are not in DB before inserting
            dbHelper.insertBTS(mDevice.mCell);
        //}
    }
}
 

public void onCellLocationChanged(CellLocation location) {

            checkForNeighbourCount(location);
            compareLac(location);
            refreshDevice();
            mDevice.setNetID(tm);
            mDevice.getNetworkTypeName();

            switch (mDevice.getPhoneID()) {

                case TelephonyManager.PHONE_TYPE_NONE:
                case TelephonyManager.PHONE_TYPE_SIP:
                case TelephonyManager.PHONE_TYPE_GSM:
                    GsmCellLocation gsmCellLocation = (GsmCellLocation) location;
                    if (gsmCellLocation != null) {
                        //TODO @EVA where are we sending this setCellInfo data?

                        //TODO
                        /*@EVA
                            Is it a good idea to dump all cells to db because if we spot a known cell
                            with different lac then this will also be dump to db.

                        */
                        mDevice.setCellInfo(
                                gsmCellLocation.toString() +                // ??
                                mDevice.getDataActivityTypeShort() + "|" +  // No,In,Ou,IO,Do
                                mDevice.getDataStateShort() + "|" +         // Di,Ct,Cd,Su
                                mDevice.getNetworkTypeName() + "|"          // HSPA,LTE etc
                        );

                        mDevice.mCell.setLAC(gsmCellLocation.getLac());     // LAC
                        mDevice.mCell.setCID(gsmCellLocation.getCid());     // CID
                        if (gsmCellLocation.getPsc() != -1) {
                            mDevice.mCell.setPSC(gsmCellLocation.getPsc()); // PSC
                        }

                        /*
                            Add cell if gps is not enabled
                            when gps enabled lat lon will be updated
                            by function below

                         */
                    }
                    break;

                case TelephonyManager.PHONE_TYPE_CDMA:
                    CdmaCellLocation cdmaCellLocation = (CdmaCellLocation) location;
                    if (cdmaCellLocation != null) {
                        mDevice.setCellInfo(
                                cdmaCellLocation.toString() +                       // ??
                                mDevice.getDataActivityTypeShort() + "|" +  // No,In,Ou,IO,Do
                                mDevice.getDataStateShort() + "|" +         // Di,Ct,Cd,Su
                                mDevice.getNetworkTypeName() + "|"          // HSPA,LTE etc
                        );
                        mDevice.mCell.setLAC(cdmaCellLocation.getNetworkId());      // NID
                        mDevice.mCell.setCID(cdmaCellLocation.getBaseStationId());  // BID
                        mDevice.mCell.setSID(cdmaCellLocation.getSystemId());       // SID
                        mDevice.mCell.setMNC(cdmaCellLocation.getSystemId());       // MNC <== BUG!??
                        mDevice.setNetworkName(tm.getNetworkOperatorName());        // ??
                    }
            }

        }
 

private String getCellInfoString(SignalStrength signalStrength) {

        // Timestamp in system nanoseconds since boot, including time spent in sleep.
        long nanoTime = SystemClock.elapsedRealtimeNanos() + mNanosOffset;

        // System local time in millis
        long currentMillis = (new Date()).getTime();

        String message = String.format("%s", currentMillis) + ";"
                + String.format("%s", nanoTime) + ";"
                + String.format("%s", mNanosOffset) + ";";

        CellLocation cell = mTelephonyManager.getCellLocation();
        if (cell instanceof GsmCellLocation) {

            int lac, cid, dbm;

            lac = ((GsmCellLocation) cell).getLac();
            cid = ((GsmCellLocation) cell).getCid();

            String generalNetworkType = networkTypeGeneral(mTelephonyManager.getNetworkType());
            // "SignalStrength: mGsmSignalStrength mGsmBitErrorRate mCdmaDbm mCdmaEcio mEvdoDbm
            // mEvdoEcio mEvdoSnr mLteSignalStrength mLteRsrp mLteRsrq mLteRssnr mLteCqi
            // (isGsm ? "gsm|lte" : "cdma"));
            String ssignal = signalStrength.toString();
            String[] parts = ssignal.split(" ");

            // If the signal is not the right signal in db (a signal below -2) fallback
            // Fallbacks will be triggered whenever generalNetworkType changes
            if (generalNetworkType.equals("4G")) {
                dbm = Integer.parseInt(parts[11]);
                if (dbm >= -2) {
                    if (Integer.parseInt(parts[3]) < -2) {
                        dbm = Integer.parseInt(parts[3]);
                    } else {
                        dbm = signalStrength.getGsmSignalStrength();
                    }
                }
            } else if (generalNetworkType.equals("3G")) {
                dbm = Integer.parseInt(parts[3]);
                if (dbm >= -2) {
                    if (Integer.parseInt(parts[11]) < -2) {
                        dbm = Integer.parseInt(parts[11]);
                    } else {
                        dbm = signalStrength.getGsmSignalStrength();
                    }
                }
            } else {
                dbm = signalStrength.getGsmSignalStrength();
                if (dbm >= -2) {
                    if (Integer.parseInt(parts[3]) < -2) {
                        dbm = Integer.parseInt(parts[3]);
                    } else {
                        dbm = Integer.parseInt(parts[11]);
                    }
                }
            }

            // Returns the numeric name (MCC+MNC) of current registered operator.
            String mccMnc = mTelephonyManager.getNetworkOperator();
            String mcc, mnc;
            if (mccMnc != null && mccMnc.length() >= 4) {
                mcc = mccMnc.substring(0, 3);
                mnc = mccMnc.substring(3);
            } else {
                mcc = "NaN";
                mnc = "NaN";
            }

            if (dbm < -2) {
                message += mTelephonyManager.getNetworkType() + ";" + cid + ";" + lac + ";" + dbm + ";" + mcc + ";" + mnc;
            } else {
                message += mTelephonyManager.getNetworkType() + ";" + cid + ";" + lac + ";" + "NaN" + ";" + mcc + ";" + mnc;
            }

        }

//        // Deprecated behavior, not collecting data
//        List<NeighboringCellInfo> neighboringCellInfoList = mTelephonyManager.getNeighboringCellInfo();
//        for (NeighboringCellInfo neighboringCellInfo : neighboringCellInfoList){
//        }

        return message;
    }