下面列出了android.telephony.NeighboringCellInfo#getLac ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Add neighbouring cells as generated by the getNeighboringCells API.
* @param neighbours The list of neighbouring cells.
*/
public void addNeighbours(List<NeighboringCellInfo> neighbours) {
if (neighbours == null || neighbours.isEmpty()) return;
for (NeighboringCellInfo neighbour : neighbours) {
List<CellInfo> cellInfos = db.query(neighbour.getCid(), neighbour.getLac());
if (cellInfos != null && !cellInfos.isEmpty()) {
for (CellInfo cellInfo : cellInfos) {
pushRecentCells(cellInfo);
}
} else {
CellInfo ci = new CellInfo();
ci.lng = 0d;
ci.lat = 0d;
ci.CID = neighbour.getCid();
ci.LAC = neighbour.getLac();
ci.MCC = -1;
ci.MNC = -1;
pushUnusedCells(ci);
}
}
}
/**
* Returns the information about cell towers in range. Returns null if the information is
* not available
*
* TODO(wenjiezeng): As folklore has it and Wenjie has confirmed, we cannot get cell info from
* Samsung phones.
*/
public String getCellInfo(boolean cidOnly) {
if(!(ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION)==PackageManager.PERMISSION_GRANTED)){
return null;
}
initNetwork();
List<NeighboringCellInfo> infos = telephonyManager.getNeighboringCellInfo();
StringBuffer buf = new StringBuffer();
String tempResult = "";
if (infos.size() > 0) {
for (NeighboringCellInfo info : infos) {
tempResult = cidOnly ? info.getCid() + ";" : info.getLac() + ","
+ info.getCid() + "," + info.getRssi() + ";";
buf.append(tempResult);
}
// Removes the trailing semicolon
buf.deleteCharAt(buf.length() - 1);
return buf.toString();
} else {
return null;
}
}
private Cell parseCellInfo(NeighboringCellInfo info) {
try {
if (getCellType(info.getNetworkType()) != Cell.CellType.GSM) return null;
return new Cell(Cell.CellType.GSM, getMcc(), getMnc(), info.getLac(), info.getCid(),
info.getPsc(), info.getRssi());
} catch (Exception ignored) {
}
return null;
}
protected final List m()
{
ArrayList arraylist = new ArrayList();
if (b == null)
{
return arraylist;
}
if (!c())
{
return arraylist;
}
Iterator iterator = b.getNeighboringCellInfo().iterator();
int i1 = 0;
do
{
if (!iterator.hasNext())
{
break;
}
NeighboringCellInfo neighboringcellinfo = (NeighboringCellInfo)iterator.next();
if (i1 > 15)
{
break;
}
if (neighboringcellinfo.getLac() != 0 && neighboringcellinfo.getLac() != 65535 && neighboringcellinfo.getCid() != 65535 && neighboringcellinfo.getCid() != 0xfffffff)
{
arraylist.add(neighboringcellinfo);
i1++;
}
} while (true);
return arraylist;
}
private Cell parseCellInfo(NeighboringCellInfo info) {
try {
if (getCellType(info.getNetworkType()) != Cell.CellType.GSM) return null;
return new Cell(Cell.CellType.GSM, getMcc(), getMnc(), info.getLac(), info.getCid(),
info.getPsc(), info.getRssi());
} catch (Exception ignored) {
}
return null;
}
/**
* Description: Updates Neighbouring Cell details
*
* TODO: add more details...
*
*
*/
public List<Cell> updateNeighbouringCells() {
List<Cell> neighboringCells = new ArrayList<>();
List<NeighboringCellInfo> neighboringCellInfo = tm.getNeighboringCellInfo();
if (neighboringCellInfo == null) {
neighboringCellInfo = new ArrayList<>();
}
Boolean nclp = tinydb.getBoolean("nc_list_present"); // Is NC list present? (default is false)
//if nclp = true then check for neighboringCellInfo
//if (neighboringCellInfo != null && neighboringCellInfo.size() == 0 && nclp) {
//if (!neighboringCellInfo.isEmpty() && neighboringCellInfo.size() == 0 && nclp) {
if (neighboringCellInfo.size() == 0 && nclp) {
Log.i(TAG, mTAG + "NeighbouringCellInfo is empty: start polling...");
// Try to poll the neighboring cells for a few seconds
neighboringCellBlockingQueue = new LinkedBlockingQueue<>(100); // Max 100 NC's before blocking (?)
// ToDo: rename... (We don't use API's <18 anymore.)
DeviceApi18.startListening(tm, phoneStatelistener);
// ToDo: Move or remove. This should now be done by getAllCellInfo() in new RadioAPI "collector" module.
for (int i = 0; i < 10 && neighboringCellInfo.size() == 0; i++) {
try {
Log.d(TAG, mTAG + "NeighbouringCellInfo empty: trying " + i);
NeighboringCellInfo info = neighboringCellBlockingQueue.poll(1, TimeUnit.SECONDS);
if (info == null) {
neighboringCellInfo = tm.getNeighboringCellInfo();
if (neighboringCellInfo != null) {
if (neighboringCellInfo.size() > 0) {
// Can we think of a better log message here?
Log.d(TAG, mTAG + "NeighbouringCellInfo found on " + i + " try. (time based)");
break;
} else {
continue;
}
}
}
List<NeighboringCellInfo> cellInfoList =
new ArrayList<>(neighboringCellBlockingQueue.size() + 1);
while (info != null) {
cellInfoList.add(info);
info = neighboringCellBlockingQueue.poll(1, TimeUnit.SECONDS);
}
neighboringCellInfo = cellInfoList;
} catch (InterruptedException e) {
Log.e(TAG, mTAG + "Interrupted BlockingQueue Exception: " + e);
}
}
}
//log.debug(mTAG + ": neighbouringCellInfo size: " + neighboringCellInfo.size());
// Add NC list to DBi_measure:nc_list
for (NeighboringCellInfo neighbourCell : neighboringCellInfo) {
Log.i(TAG, mTAG + "NeighbouringCellInfo -" +
" LAC:" + neighbourCell.getLac() +
" CID:" + neighbourCell.getCid() +
" PSC:" + neighbourCell.getPsc() +
" RSSI:" + neighbourCell.getRssi());
final Cell cell = new Cell(
neighbourCell.getCid(),
neighbourCell.getLac(),
neighbourCell.getRssi(),
neighbourCell.getPsc(),
neighbourCell.getNetworkType(), false);
neighboringCells.add(cell);
}
return neighboringCells;
}
private String createCellKey(NeighboringCellInfo neighboringCell, Cell cell) {
return cell.getMcc() + "_" + cell.getMnc() + "_" + neighboringCell.getLac() + "_" + neighboringCell.getCid();
}
/**
* 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. Cells whose network type is not LTE will be
* rejected.
* <p>
* This method will set the cell's identity data, generation and its signal
* strength.
* @return The new or updated entry, or {@code null} if the cell was rejected
*/
public CellTowerLte update(String networkOperator, NeighboringCellInfo cell) {
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, cell.getLac(), cell.getCid());
if ((cand != null) && CellTower.matches(cell.getPsc(), cand.getPci()))
result = cand;
if (result == null) {
cand = this.get(cell.getPsc());
if ((cand != null)
&& CellTower.matches(mcc, cand.getMcc())
&& CellTower.matches(mnc, cand.getMnc())
&& CellTower.matches(cell.getLac(), cand.getTac())
&& CellTower.matches(cell.getCid(), cand.getCi()))
result = cand;
}
if (result == null)
result = new CellTowerLte(mcc, mnc, cell.getLac(), cell.getCid(), cell.getPsc());
result.setNeighboringCellInfo(true);
int networkType = cell.getNetworkType();
switch (networkType) {
case TelephonyManager.NETWORK_TYPE_LTE:
result.setAsu(cell.getRssi());
break;
default:
// not an LTE cell, return
return null;
}
result.setNetworkType(networkType);
if (result.getMcc() == CellTower.UNKNOWN)
result.setMcc(mcc);
if (result.getMnc() == CellTower.UNKNOWN)
result.setMnc(mnc);
if (result.getTac() == CellTower.UNKNOWN)
result.setTac(cell.getLac());
if (result.getCi() == CellTower.UNKNOWN)
result.setCi(cell.getCid());
if (result.getPci() == CellTower.UNKNOWN)
result.setPci(cell.getPsc());
this.put(result.getText(), result);
this.put(result.getAltText(), result);
Log.d(this.getClass().getSimpleName(), String.format("Added NeighboringCellInfo for %s, %d G, %d dBm",
result.getText(),
result.getGeneration(),
result.getDbm()));
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. Cells whose network type is not a flavor of GSM or
* UMTS will be rejected.
* <p>
* This method will set the cell's identity data, generation and its signal
* strength.
* @return The new or updated entry, or {@code null} if the cell was rejected
*/
public CellTowerGsm update(String networkOperator, NeighboringCellInfo cell) {
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, cell.getLac(), cell.getCid());
if ((cand != null) && CellTower.matches(cell.getPsc(), cand.getPsc()))
result = cand;
if (result == null) {
cand = this.get(cell.getPsc());
if ((cand != null)
&& CellTower.matches(mcc, cand.getMcc())
&& CellTower.matches(mnc, cand.getMnc())
&& CellTower.matches(cell.getLac(), cand.getLac())
&& CellTower.matches(cell.getCid(), cand.getCid()))
result = cand;
}
if (result == null)
result = new CellTowerGsm(mcc, mnc, cell.getLac(), cell.getCid(), cell.getPsc());
result.setNeighboringCellInfo(true);
int networkType = cell.getNetworkType();
switch (networkType) {
case TelephonyManager.NETWORK_TYPE_UMTS:
case TelephonyManager.NETWORK_TYPE_HSDPA:
case TelephonyManager.NETWORK_TYPE_HSUPA:
case TelephonyManager.NETWORK_TYPE_HSPA:
/*
* for details see TS 25.133 section 9.1.1.3
* http://www.3gpp.org/DynaReport/25133.htm
*/
result.setCpichRscp(cell.getRssi());
break;
case TelephonyManager.NETWORK_TYPE_EDGE:
case TelephonyManager.NETWORK_TYPE_GPRS:
result.setAsu(cell.getRssi());
break;
default:
// not a GSM or UMTS cell, return
return null;
// result.setDbm(CellTower.DBM_UNKNOWN);
// not needed because this is the default value; setting it
// here might overwrite valid data obtained from a different
// source
}
result.setNetworkType(networkType);
if (result.getMcc() == CellTower.UNKNOWN)
result.setMcc(mcc);
if (result.getMnc() == CellTower.UNKNOWN)
result.setMnc(mnc);
if (result.getLac() == CellTower.UNKNOWN)
result.setLac(cell.getLac());
if (result.getCid() == CellTower.UNKNOWN)
result.setCid(cell.getCid());
if (result.getPsc() == CellTower.UNKNOWN)
result.setPsc(cell.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 NeighboringCellInfo", result.getGeneration()));
return result;
}