CellStatepublic class CellState extends Object | Stores the cell tower state
{@hide} |
| Fields Summary |
|---|
| public static String | TAG | | public static int | RADIO_TYPE_GPRS | | public static int | RADIO_TYPE_CDMA | | public static int | RADIO_TYPE_WCDMA | | private int | mCid | | private int | mLac | | private int | mMcc | | private int | mMnc | | private int | mHomeMcc | | private int | mHomeMnc | | private String | mCarrier | | private int | mRadioType | | private long | mTime | | private int | mSignalStrength | | private List | mNeighbors |
| Constructors Summary |
|---|
public CellState()
// constructor for invalid cell location
| public CellState(android.telephony.TelephonyManager telephonyManager, android.telephony.CellLocation location, int signalStrength)
GsmCellLocation loc = (GsmCellLocation)location;
mLac = loc.getLac(); // example: 6032
mCid = loc.getCid(); // example: 31792
mTime = System.currentTimeMillis();
// Get radio type
int radioType = telephonyManager.getNetworkType();
if (radioType == TelephonyManager.NETWORK_TYPE_GPRS ||
radioType == TelephonyManager.NETWORK_TYPE_EDGE) {
mRadioType = RADIO_TYPE_GPRS;
} else if (radioType == TelephonyManager.NETWORK_TYPE_UMTS) {
mRadioType = RADIO_TYPE_WCDMA;
}
// Get neighboring cells
mNeighbors = new ArrayList<NeighborCell>();
List<NeighboringCellInfo> neighboringCells = telephonyManager.getNeighboringCellInfo();
if (neighboringCells != null) {
for (NeighboringCellInfo n : neighboringCells) {
if (n.getCid() == NeighboringCellInfo.UNKNOWN_CID) {
continue;
}
if (mRadioType == RADIO_TYPE_WCDMA) {
mNeighbors.add(new NeighborCell(-1, -1, n.getCid(), n.getRssi()));
} else if (mRadioType == RADIO_TYPE_GPRS) {
try {
String hexCidLac = Integer.toHexString(n.getCid());
int l = hexCidLac.length();
if (l > 8) {
Log.w(TAG, "Unable to parse 2G Cell \"" + hexCidLac + "\"");
continue;
}
if (l < 8) {
for (int i = 0; i < (8-l); i++) {
hexCidLac = "0" + hexCidLac;
}
}
int lac = Integer.valueOf(hexCidLac.substring(0, 4), 16);
int cid = Integer.valueOf(hexCidLac.substring(4), 16);
mNeighbors.add(new NeighborCell(cid, lac, -1, n.getRssi()));
} catch (Exception e) {
Log.e(TAG, "Error parsing 2G Cell \"" + n.getCid() + "\"", e);
}
}
}
}
// Get MCC/MNC
String operator = telephonyManager.getNetworkOperator();
if (operator != null && !operator.equals("")) {
// Use a try/catch block to detect index out of bounds or number format exceptions.
// If an error occurs, both mMcc and mMnc will be equal to -1.
try {
String mcc = operator.substring(0, 3);
String mnc = operator.substring(3);
int mccTmp = Integer.parseInt(mcc);
int mncTmp = Integer.parseInt(mnc);
// Parsing succeeded, update the instance variables together
mMcc = mccTmp;
mMnc = mncTmp;
} catch (Exception e) {
Log.e(TAG, "Error parsing MCC/MNC from operator \"" + operator + "\"", e);
}
}
// Get Home MCC/MNC
String homeOperator = telephonyManager.getSimOperator();
if (homeOperator != null && !homeOperator.equals("")) {
// Use a try/catch block to detect index out of bounds or number format exceptions.
// If an error occurs, both mHomeMcc and mHomeMnc will be equal to -1.
try {
String mcc = homeOperator.substring(0, 3);
String mnc = homeOperator.substring(3);
int mccTmp = Integer.parseInt(mcc);
int mncTmp = Integer.parseInt(mnc);
// Parsing succeeded, update the instance variables together
mHomeMcc = mccTmp;
mHomeMnc = mncTmp;
} catch (Exception e) {
Log.e(TAG, "Error parsing MCC/MNC from home operator \"" + homeOperator + "\"", e);
}
}
// Get Carrier
String carrier = telephonyManager.getNetworkOperatorName();
if (carrier != null && !carrier.equals("")) {
mCarrier = carrier;
}
// Initial signal strength
mSignalStrength = signalStrength;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
String neighbors = "[";
for (NeighborCell n : mNeighbors) {
neighbors += n.toString() + ",";
}
neighbors += "]";
Log.d(TAG, "CellState(): " + mLac +"," + mCid + "," + mMnc +"," + mMcc + "," +
mHomeMcc + "," + mHomeMnc + "," + mCarrier + "," + mRadioType + "," +
mSignalStrength + "," + neighbors);
}
|
| Methods Summary |
|---|
| public boolean | equals(com.android.internal.location.CellState other)
return (mCid == other.mCid && mLac == other.mLac);
| | public java.lang.String | getCarrier()
return mCarrier;
| | public int | getCid()
return mCid;
| | public int | getHomeMcc()
return mHomeMcc;
| | public int | getHomeMnc()
return mHomeMnc;
| | public int | getLac()
return mLac;
| | public int | getMcc()
return mMcc;
| | public int | getMnc()
return mMnc;
| | public java.util.List | getNeighbors()
return mNeighbors;
| | public int | getRadioType()
return mRadioType;
| | public int | getSignalStrength()
return mSignalStrength;
| | public long | getTime()
return mTime;
| | public boolean | isValid()
return (mCid != -1 && mLac != -1);
| | public void | setCarrier(java.lang.String carrier)
this.mCarrier = carrier;
| | public void | setHomeMcc(int homeMcc)
this.mHomeMcc = homeMcc;
| | public void | setHomeMnc(int homeMnc)
this.mHomeMnc = homeMnc;
| | public void | updateRadioType(int radioType)
mRadioType = radioType;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.d(TAG, "updateRadioType(): " + mLac +"," + mCid + "," + mMnc +"," + mMcc + "," +
mHomeMcc + "," + mHomeMnc + "," + mCarrier + "," + mRadioType + "," +
mSignalStrength);
}
| | public void | updateSignalStrength(int signalStrength)
mSignalStrength = signalStrength;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.d(TAG, "updateSignal(): " + mLac +"," + mCid + "," + mMnc +"," + mMcc + "," +
mHomeMcc + "," + mHomeMnc + "," + mCarrier + "," + mRadioType + "," +
mSignalStrength);
}
|
|
