FileDocCategorySizeDatePackage
ServiceStateTracker.javaAPI DocAndroid 1.5 API62216Wed May 06 22:42:02 BST 2009com.android.internal.telephony.gsm

ServiceStateTracker

public final class ServiceStateTracker extends android.os.Handler
{@hide}

Fields Summary
static final int
DATA_ACCESS_UNKNOWN
The access technology currently in use: 0 = unknown 1 = GPRS only 2 = EDGE 3 = UMTS
static final int
DATA_ACCESS_GPRS
static final int
DATA_ACCESS_EDGE
static final int
DATA_ACCESS_UMTS
static final int
MAX_NUM_DATA_STATE_READS
static final int
DATA_STATE_POLL_SLEEP_MS
GSMPhone
phone
CommandsInterface
cm
android.telephony.ServiceState
ss
android.telephony.ServiceState
newSS
android.telephony.gsm.GsmCellLocation
cellLoc
android.telephony.gsm.GsmCellLocation
newCellLoc
int
mPreferredNetworkType
RestrictedState
rs
int
rssi
int[]
pollingContext
boolean
mDesiredPowerState
boolean
dontPollSignalStrength
private int
gprsState
private int
newGPRSState
private int
networkType
The access technology currently in use: DATA_ACCESS_
private int
newNetworkType
private boolean
mGsmRoaming
private android.os.RegistrantList
networkAttachedRegistrants
private android.os.RegistrantList
gprsAttachedRegistrants
private android.os.RegistrantList
gprsDetachedRegistrants
private android.os.RegistrantList
roamingOnRegistrants
private android.os.RegistrantList
roamingOffRegistrants
private android.os.RegistrantList
psRestrictEnabledRegistrants
private android.os.RegistrantList
psRestrictDisabledRegistrants
private boolean
mNeedFixZone
private int
mZoneOffset
private boolean
mZoneDst
private long
mZoneTime
private boolean
mGotCountryCode
String
mSavedTimeZone
long
mSavedTime
long
mSavedAtTime
private boolean
mNeedToRegForSimLoaded
private boolean
mStartedGprsRegCheck
private boolean
mReportedGprsNoReg
private android.app.Notification
mNotification
The Notification object given to the NotificationManager.
private PowerManager.WakeLock
mWakeLock
private static final String
WAKELOCK_TAG
private String
curSpn
private String
curPlmn
private int
curSpnRule
static final boolean
DBG
static final String
LOG_TAG
static final int
POLL_PERIOD_MILLIS
static final int
DEFAULT_GPRS_CHECK_PERIOD_MILLIS
static final int
PS_ENABLED
static final int
PS_DISABLED
static final int
CS_ENABLED
static final int
CS_DISABLED
static final int
CS_NORMAL_ENABLED
static final int
CS_EMERGENCY_ENABLED
static final int
PS_NOTIFICATION
static final int
CS_NOTIFICATION
static final int
EVENT_RADIO_STATE_CHANGED
static final int
EVENT_NETWORK_STATE_CHANGED
static final int
EVENT_GET_SIGNAL_STRENGTH
static final int
EVENT_POLL_STATE_REGISTRATION
static final int
EVENT_POLL_STATE_GPRS
static final int
EVENT_POLL_STATE_OPERATOR
static final int
EVENT_POLL_SIGNAL_STRENGTH
static final int
EVENT_NITZ_TIME
static final int
EVENT_SIGNAL_STRENGTH_UPDATE
static final int
EVENT_RADIO_AVAILABLE
static final int
EVENT_POLL_STATE_NETWORK_SELECTION_MODE
static final int
EVENT_GET_LOC_DONE
static final int
EVENT_SIM_RECORDS_LOADED
static final int
EVENT_SIM_READY
static final int
EVENT_LOCATION_UPDATES_ENABLED
static final int
EVENT_GET_PREFERRED_NETWORK_TYPE
static final int
EVENT_SET_PREFERRED_NETWORK_TYPE
static final int
EVENT_RESET_PREFERRED_NETWORK_TYPE
static final int
EVENT_CHECK_REPORT_GPRS
static final int
EVENT_RESTRICTED_STATE_CHANGED
private static final String
TIMEZONE_PROPERTY
private static final String[]
GMT_COUNTRY_CODES
private android.database.ContentObserver
mAutoTimeObserver
Constructors Summary
ServiceStateTracker(GSMPhone phone)

    
    //***** Constructors

     
    
        this.phone = phone;
        cm = phone.mCM;
        ss = new ServiceState();
        newSS = new ServiceState();
        cellLoc = new GsmCellLocation();
        newCellLoc = new GsmCellLocation();
        rs = new RestrictedState();

        PowerManager powerManager =
                (PowerManager)phone.getContext().getSystemService(Context.POWER_SERVICE);
        mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_TAG);

        cm.registerForAvailable(this, EVENT_RADIO_AVAILABLE, null);        
        cm.registerForRadioStateChanged(this, EVENT_RADIO_STATE_CHANGED, null);

        cm.registerForNetworkStateChanged(this, EVENT_NETWORK_STATE_CHANGED, null);
        cm.setOnNITZTime(this, EVENT_NITZ_TIME, null);
        cm.setOnSignalStrengthUpdate(this, EVENT_SIGNAL_STRENGTH_UPDATE, null);
        cm.setOnRestrictedStateChanged(this, EVENT_RESTRICTED_STATE_CHANGED, null);       
        cm.registerForSIMReady(this, EVENT_SIM_READY, null);

        // system setting property AIRPLANE_MODE_ON is set in Settings.
        int airplaneMode = Settings.System.getInt(
                phone.getContext().getContentResolver(),
                Settings.System.AIRPLANE_MODE_ON, 0);
        mDesiredPowerState = ! (airplaneMode > 0);

        ContentResolver cr = phone.getContext().getContentResolver();
        cr.registerContentObserver(
                Settings.System.getUriFor(Settings.System.AUTO_TIME), true,
                mAutoTimeObserver);
        setRssiDefaultValues();
        mNeedToRegForSimLoaded = true;
Methods Summary
private voidcancelPollState()
Cancel a pending (if any) pollState() operation

        // This will effectively cancel the rest of the poll requests
        pollingContext = new int[1];
voiddisableLocationUpdates()

        cm.setLocationUpdates(false, null);
private static java.lang.StringdisplayNameFor(int off)
Provides the name of the algorithmic time zone for the specified offset. Taken from TimeZone.java.

        off = off / 1000 / 60;

        char[] buf = new char[9];
        buf[0] = 'G";
        buf[1] = 'M";
        buf[2] = 'T";

        if (off < 0) {
            buf[3] = '-";
            off = -off;
        } else {
            buf[3] = '+";
        }

        int hours = off / 60;
        int minutes = off % 60;

        buf[4] = (char) ('0" + hours / 10);
        buf[5] = (char) ('0" + hours % 10);

        buf[6] = ':";

        buf[7] = (char) ('0" + minutes / 10);
        buf[8] = (char) ('0" + minutes % 10);

        return new String(buf);
voidenableLocationUpdates()

        cm.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED));
private java.util.TimeZonefindTimeZone(int offset, boolean dst, long when)

        int rawOffset = offset;
        if (dst) {
            rawOffset -= 3600000;
        }
        String[] zones = TimeZone.getAvailableIDs(rawOffset);
        TimeZone guess = null;
        Date d = new Date(when);
        for (String zone : zones) {
            TimeZone tz = TimeZone.getTimeZone(zone);
            if (tz.getOffset(when) == offset &&
                tz.inDaylightTime(d) == dst) {
                guess = tz;
                break;
            }
        }

        return guess;
private booleangetAutoTime()

        try {
            return Settings.System.getInt(phone.getContext().getContentResolver(),
                    Settings.System.AUTO_TIME) > 0;
        } catch (SettingNotFoundException snfe) {
            return true;
        }
intgetCurrentGprsState()

return
The current GPRS state. IN_SERVICE is the same as "attached" and OUT_OF_SERVICE is the same as detached.

        return gprsState;
public voidgetLacAndCid(android.os.Message onComplete)

        cm.getRegistrationState(obtainMessage(
                        EVENT_GET_LOC_DONE, onComplete));
private java.util.TimeZonegetNitzTimeZone(int offset, boolean dst, long when)
Returns a TimeZone object based only on parameters from the NITZ string.

        TimeZone guess = findTimeZone(offset, dst, when);
        if (guess == null) {
            // Couldn't find a proper timezone.  Perhaps the DST data is wrong.
            guess = findTimeZone(offset, !dst, when);
        }
        if (DBG) {
            Log.d(LOG_TAG, "getNitzTimeZone returning "
                    + (guess == null ? guess : guess.getID()));
        }
        return guess;
public voidhandleMessage(android.os.Message msg)

        AsyncResult ar;
        int[] ints;
        String[] strings;
        Message message;

        switch (msg.what) {
            case EVENT_RADIO_AVAILABLE:
                //this is unnecessary
                //setPowerStateToDesired();
                break;

            case EVENT_SIM_READY:
                // The SIM is now ready i.e if it was locked
                // it has been unlocked. At this stage, the radio is already
                // powered on.
                if (mNeedToRegForSimLoaded) {
                    phone.mSIMRecords.registerForRecordsLoaded(this,
                            EVENT_SIM_RECORDS_LOADED, null);
                    mNeedToRegForSimLoaded = false;
                }
                // restore the previous network selection.
                phone.restoreSavedNetworkSelection(null);
                pollState();
                // Signal strength polling stops when radio is off
                queueNextSignalStrengthPoll();
                break;

            case EVENT_RADIO_STATE_CHANGED:
                // This will do nothing in the radio not
                // available case
                setPowerStateToDesired();
                pollState();
                break;

            case EVENT_NETWORK_STATE_CHANGED:
                pollState();
                break;

            case EVENT_GET_SIGNAL_STRENGTH:
                // This callback is called when signal strength is polled
                // all by itself

                if (!(cm.getRadioState().isOn())) {
                    // Polling will continue when radio turns back on
                    return;
                }
                ar = (AsyncResult) msg.obj;
                onSignalStrengthResult(ar);
                queueNextSignalStrengthPoll();

                break;

            case EVENT_GET_LOC_DONE:
                ar = (AsyncResult) msg.obj;

                if (ar.exception == null) {
                    String states[] = (String[])ar.result;
                    int lac = -1;
                    int cid = -1;
                    if (states.length == 3) {
                        try {
                            if (states[1] != null && states[1].length() > 0) {
                                lac = Integer.parseInt(states[1], 16);
                            }
                            if (states[2] != null && states[2].length() > 0) {
                                cid = Integer.parseInt(states[2], 16);
                            }
                        } catch (NumberFormatException ex) {
                            Log.w(LOG_TAG, "error parsing location: " + ex);
                        }
                    }

                    // only update if lac or cid changed
                    if (cellLoc.getCid() != cid || cellLoc.getLac() != lac) {
                        cellLoc.setLacAndCid(lac, cid);
                        phone.notifyLocationChanged();
                    }
                }

                if (ar.userObj != null) {
                    AsyncResult.forMessage(((Message) ar.userObj)).exception
                            = ar.exception;
                    ((Message) ar.userObj).sendToTarget();
                }
                break;

            case EVENT_POLL_STATE_REGISTRATION:
            case EVENT_POLL_STATE_GPRS:
            case EVENT_POLL_STATE_OPERATOR:
            case EVENT_POLL_STATE_NETWORK_SELECTION_MODE:
                ar = (AsyncResult) msg.obj;

                handlePollStateResult(msg.what, ar);
                break;

            case EVENT_POLL_SIGNAL_STRENGTH:
                // Just poll signal strength...not part of pollState()

                cm.getSignalStrength(obtainMessage(EVENT_GET_SIGNAL_STRENGTH));
                break;

            case EVENT_NITZ_TIME:
                ar = (AsyncResult) msg.obj;

                String nitzString = (String)((Object[])ar.result)[0];
                long nitzReceiveTime = ((Long)((Object[])ar.result)[1]).longValue();

                setTimeFromNITZString(nitzString, nitzReceiveTime);
                break;

            case EVENT_SIGNAL_STRENGTH_UPDATE:
                // This is a notification from
                // CommandsInterface.setOnSignalStrengthUpdate

                ar = (AsyncResult) msg.obj;

                // The radio is telling us about signal strength changes
                // we don't have to ask it
                dontPollSignalStrength = true;

                onSignalStrengthResult(ar);
                break;

            case EVENT_SIM_RECORDS_LOADED:
                updateSpnDisplay();
                break;

            case EVENT_LOCATION_UPDATES_ENABLED:
                ar = (AsyncResult) msg.obj;

                if (ar.exception == null) {
                    getLacAndCid(null);
                }
                break;

            case EVENT_SET_PREFERRED_NETWORK_TYPE:
                ar = (AsyncResult) msg.obj;
                // Don't care the result, only use for dereg network (COPS=2)
                message = obtainMessage(EVENT_RESET_PREFERRED_NETWORK_TYPE, ar.userObj);
                cm.setPreferredNetworkType(mPreferredNetworkType, message);
                break;

            case EVENT_RESET_PREFERRED_NETWORK_TYPE:
                ar = (AsyncResult) msg.obj;
                if (ar.userObj != null) {
                    AsyncResult.forMessage(((Message) ar.userObj)).exception
                            = ar.exception;
                    ((Message) ar.userObj).sendToTarget();
                }
                break;

            case EVENT_GET_PREFERRED_NETWORK_TYPE:
                ar = (AsyncResult) msg.obj;

                if (ar.exception == null) {
                    mPreferredNetworkType = ((int[])ar.result)[0];
                } else {
                    mPreferredNetworkType = Phone.NT_AUTO_TYPE;
                }

                message = obtainMessage(EVENT_SET_PREFERRED_NETWORK_TYPE, ar.userObj);
                int toggledNetworkType =
                        (mPreferredNetworkType == Phone.NT_AUTO_TYPE) ?
                        Phone.NT_GSM_TYPE : Phone.NT_AUTO_TYPE;

                cm.setPreferredNetworkType(toggledNetworkType, message);
                break;

            case EVENT_CHECK_REPORT_GPRS:
                if (ss != null && !isGprsConsistant(gprsState, ss.getState())) {

                    // Can't register data sevice while voice service is ok
                    // i.e. CREG is ok while CGREG is not
                    // possible a network or baseband side error
                    int cid = -1;
                    GsmCellLocation loc = ((GsmCellLocation)phone.getCellLocation());
                    if (loc != null) cid = loc.getCid();

                    EventLog.List val = new EventLog.List(ss.getOperatorNumeric(), cid);
                    EventLog.writeEvent(TelephonyEventLog.EVENT_LOG_CGREG_FAIL, val);
                    mReportedGprsNoReg = true;
                }
                mStartedGprsRegCheck = false;
                break;
                
            case EVENT_RESTRICTED_STATE_CHANGED:
                // This is a notification from
                // CommandsInterface.setOnRestrictedStateChanged

                Log.d(LOG_TAG, "[DSAC DEB] " + "EVENT_RESTRICTED_STATE_CHANGED");
                
                ar = (AsyncResult) msg.obj;

                onRestrictedStateChanged(ar);
                break;

        }
private voidhandlePollStateResult(int what, android.os.AsyncResult ar)
Handle the result of one of the pollState()-related requests

        int ints[];
        String states[];

        // Ignore stale requests from last poll
        if (ar.userObj != pollingContext) return;

        if (ar.exception != null) {
            CommandException.Error err=null;

            if (ar.exception instanceof CommandException) {
                err = ((CommandException)(ar.exception)).getCommandError();
            }

            if (err == CommandException.Error.RADIO_NOT_AVAILABLE) {
                // Radio has crashed or turned off
                cancelPollState();
                return;
            }

            if (!cm.getRadioState().isOn()) {
                // Radio has crashed or turned off
                cancelPollState();
                return;
            }

            if (err != CommandException.Error.OP_NOT_ALLOWED_BEFORE_REG_NW &&
                    err != CommandException.Error.OP_NOT_ALLOWED_BEFORE_REG_NW) {
                Log.e(LOG_TAG,
                        "RIL implementation has returned an error where it must succeed" +
                        ar.exception);
            }
        } else try {
            switch (what) {
                case EVENT_POLL_STATE_REGISTRATION:
                    states = (String[])ar.result;
                    int lac = -1;
                    int cid = -1;
                    int regState = -1;
                    if (states.length > 0) {
                        try {
                            regState = Integer.parseInt(states[0]);
                            if (states.length == 3) {
                                if (states[1] != null && states[1].length() > 0) {
                                    lac = Integer.parseInt(states[1], 16);
                                }
                                if (states[2] != null && states[2].length() > 0) {
                                    cid = Integer.parseInt(states[2], 16);
                                }
                            }
                        } catch (NumberFormatException ex) {
                            Log.w(LOG_TAG, "error parsing RegistrationState: " + ex);
                        }
                    }

                    mGsmRoaming = regCodeIsRoaming(regState);
                    newSS.setState (regCodeToServiceState(regState));

                    // LAC and CID are -1 if not avail
                    newCellLoc.setLacAndCid(lac, cid);
                break;

                case EVENT_POLL_STATE_GPRS:
                    states = (String[])ar.result;

                    int type = 0;
                    regState = -1;
                    if (states.length > 0) {
                        try {
                            regState = Integer.parseInt(states[0]);

                            // states[3] (if present) is the current radio technology
                            if (states.length >= 4 && states[3] != null) {
                                type = Integer.parseInt(states[3]);
                            }
                        } catch (NumberFormatException ex) {
                            Log.w(LOG_TAG, "error parsing GprsRegistrationState: " + ex);
                        }
                    }
                    newGPRSState = regCodeToServiceState(regState);
                    newNetworkType = type;
                break;

                case EVENT_POLL_STATE_OPERATOR:
                    String opNames[] = (String[])ar.result;

                    if (opNames != null && opNames.length >= 3) {
                        newSS.setOperatorName (
                                opNames[0], opNames[1], opNames[2]);
                    }
                break;

                case EVENT_POLL_STATE_NETWORK_SELECTION_MODE:
                    ints = (int[])ar.result;
                    newSS.setIsManualSelection(ints[0] == 1);
                break;
            }

        } catch (RuntimeException ex) {
            Log.e(LOG_TAG, "Exception while polling service state. "
                            + "Probably malformed RIL response.", ex);
        }

        pollingContext[0]--;

        if (pollingContext[0] == 0) {
            newSS.setRoaming(isRoamingBetweenOperators(mGsmRoaming, newSS));
            pollStateDone();
        }
booleanisConcurrentVoiceAndData()

return
true if phone is camping on a technology (eg UMTS) that could support voice and data simultaniously.

        return (networkType == DATA_ACCESS_UMTS);
private booleanisGprsConsistant(int gprsState, int serviceState)
Check if GPRS got registred while voice is registered

param
gprsState for GPRS registration state, i.e. CGREG in GSM
param
serviceState for voice registration state, i.e. CREG in GSM
return
false if device only register to voice but not gprs

        return !((serviceState == ServiceState.STATE_IN_SERVICE) &&
                (gprsState != ServiceState.STATE_IN_SERVICE));
private booleanisRoamingBetweenOperators(boolean gsmRoaming, android.telephony.ServiceState s)
Set roaming state when gsmRoaming is true and, if operator mcc is the same as sim mcc, ons is different from spn

param
gsmRoaming TS 27.007 7.2 CREG registered roaming
param
s ServiceState hold current ons
return
true for roaming state set

        String spn = SystemProperties.get(PROPERTY_SIM_OPERATOR_ALPHA, "empty");

        String onsl = s.getOperatorAlphaLong();
        String onss = s.getOperatorAlphaShort();

        boolean equalsOnsl = onsl != null && spn.equals(onsl);
        boolean equalsOnss = onss != null && spn.equals(onss);

        String simNumeric = SystemProperties.get(PROPERTY_SIM_OPERATOR_NUMERIC, "");
        String  operatorNumeric = s.getOperatorNumeric();

        boolean equalsMcc = true;
        try {
            equalsMcc = simNumeric.substring(0, 3).
                    equals(operatorNumeric.substring(0, 3));
        } catch (Exception e){
        }

        return gsmRoaming && !(equalsMcc && (equalsOnsl || equalsOnss));
private static java.lang.StringnetworkTypeToString(int type)

        String ret = "unknown";

        switch (type) {
            case DATA_ACCESS_GPRS:
                ret = "GPRS";
                break;
            case DATA_ACCESS_EDGE:
                ret = "EDGE";
                break;
            case DATA_ACCESS_UMTS:
                ret = "UMTS";
                break;
        }

        return ret;
private voidonRestrictedStateChanged(android.os.AsyncResult ar)
Set restricted state based on the OnRestrictedStateChanged notification If any voice or packet restricted state changes, trigger a UI notification and notify registrants when sim is ready.

param
ar an int value of RIL_RESTRICTED_STATE_*

        Log.d(LOG_TAG, "[DSAC DEB] " + "onRestrictedStateChanged");
        RestrictedState newRs = new RestrictedState();
 
        Log.d(LOG_TAG, "[DSAC DEB] " + "current rs at enter "+ rs);
        
        if (ar.exception == null) {
            int[] ints = (int[])ar.result;
            int state = ints[0];
            
            newRs.setCsEmergencyRestricted(
                    ((state & RILConstants.RIL_RESTRICTED_STATE_CS_EMERGENCY) != 0) ||
                    ((state & RILConstants.RIL_RESTRICTED_STATE_CS_ALL) != 0) );
            

            //ignore the normal call and data restricted state before SIM READY
            if (phone.getSimCard().getState() == SimCard.State.READY){ 
                newRs.setCsNormalRestricted(
                        ((state & RILConstants.RIL_RESTRICTED_STATE_CS_NORMAL) != 0) ||
                        ((state & RILConstants.RIL_RESTRICTED_STATE_CS_ALL) != 0) );
                newRs.setPsRestricted(
                        (state & RILConstants.RIL_RESTRICTED_STATE_PS_ALL)!= 0);
            }
            
            Log.d(LOG_TAG, "[DSAC DEB] " + "new rs "+ newRs);         
            
            if (!rs.isPsRestricted() && newRs.isPsRestricted()) {
                psRestrictEnabledRegistrants.notifyRegistrants();
                setNotification(PS_ENABLED);
            } else if (rs.isPsRestricted() && !newRs.isPsRestricted()) {
                psRestrictDisabledRegistrants.notifyRegistrants();
                setNotification(PS_DISABLED);
            }
            
            /**
             * There are two kind of cs restriction, normal and emergency. So 
             * there are 4 x 4 combinations in current and new restricted states
             * and we only need to notify when state is changed.
             */
            if (rs.isCsRestricted()) {
                if (!newRs.isCsRestricted()) {
                    // remove all restriction
                    setNotification(CS_DISABLED);
                } else if (!newRs.isCsNormalRestricted()) {
                    // remove normal restriction
                    setNotification(CS_EMERGENCY_ENABLED); 
                } else if (!newRs.isCsEmergencyRestricted()) {
                    // remove emergency restriction
                    setNotification(CS_NORMAL_ENABLED); 
                }
            } else if (rs.isCsEmergencyRestricted() && !rs.isCsNormalRestricted()) {
                if (!newRs.isCsRestricted()) {
                    // remove all restriction
                    setNotification(CS_DISABLED); 
                } else if (newRs.isCsRestricted()) {
                    // enable all restriction
                    setNotification(CS_ENABLED);
                } else if (newRs.isCsNormalRestricted()) {
                    // remove emergency restriction and enable normal restriction
                    setNotification(CS_NORMAL_ENABLED); 
                }
            } else if (!rs.isCsEmergencyRestricted() && rs.isCsNormalRestricted()) {
                if (!newRs.isCsRestricted()) {
                    // remove all restriction
                    setNotification(CS_DISABLED); 
                } else if (newRs.isCsRestricted()) {
                    // enable all restriction
                    setNotification(CS_ENABLED);
                } else if (newRs.isCsEmergencyRestricted()) {
                    // remove normal restriction and enable emergency restriction
                    setNotification(CS_EMERGENCY_ENABLED); 
                }
            } else {
                if (newRs.isCsRestricted()) {
                    // enable all restriction
                    setNotification(CS_ENABLED);
                } else if (newRs.isCsEmergencyRestricted()) {
                    // enable emergency restriction
                    setNotification(CS_EMERGENCY_ENABLED); 
                } else if (newRs.isCsNormalRestricted()) {
                    // enable normal restriction
                    setNotification(CS_NORMAL_ENABLED); 
                }
            }
            
            rs = newRs;
        }
        Log.d(LOG_TAG, "[DSAC DEB] " + "current rs at return "+ rs);
private voidonSignalStrengthResult(android.os.AsyncResult ar)
send signal-strength-changed notification if rssi changed Called both for solicited and unsolicited signal stength updates

        int oldRSSI = rssi;

        if (ar.exception != null) {
            // 99 = unknown
            // most likely radio is resetting/disconnected
            rssi = 99;
        } else {
            int[] ints = (int[])ar.result;

            // bug 658816 seems to be a case where the result is 0-length
            if (ints.length != 0) {
                rssi = ints[0];
            } else {
                Log.e(LOG_TAG, "Bogus signal strength response");
                rssi = 99;
            }
        }

        if (rssi != oldRSSI) {
            phone.notifySignalStrength();
        }
private voidpollState()
A complete "service state" from our perspective is composed of a handful of separate requests to the radio. We make all of these requests at once, but then abandon them and start over again if the radio notifies us that some event has changed

        pollingContext = new int[1];
        pollingContext[0] = 0;

        switch (cm.getRadioState()) {
            case RADIO_UNAVAILABLE:
                newSS.setStateOutOfService();
                newCellLoc.setStateInvalid();
                setRssiDefaultValues();
                mGotCountryCode = false;

                pollStateDone();
            break;


            case RADIO_OFF:
                newSS.setStateOff();
                newCellLoc.setStateInvalid();
                setRssiDefaultValues();
                mGotCountryCode = false;

                pollStateDone();
            break;

            default:
                // Issue all poll-related commands at once
                // then count down the responses, which
                // are allowed to arrive out-of-order

                pollingContext[0]++;
                cm.getOperator(
                    obtainMessage(
                        EVENT_POLL_STATE_OPERATOR, pollingContext));

                pollingContext[0]++;
                cm.getGPRSRegistrationState(
                    obtainMessage(
                        EVENT_POLL_STATE_GPRS, pollingContext));

                pollingContext[0]++;
                cm.getRegistrationState(
                    obtainMessage(
                        EVENT_POLL_STATE_REGISTRATION, pollingContext));

                pollingContext[0]++;
                cm.getNetworkSelectionMode(
                    obtainMessage(
                        EVENT_POLL_STATE_NETWORK_SELECTION_MODE, pollingContext));
            break;
        }
private voidpollStateDone()

        if (DBG) {
            Log.d(LOG_TAG, "Poll ServiceState done: " +
                " oldSS=[" + ss + "] newSS=[" + newSS +
                "] oldGprs=" + gprsState + " newGprs=" + newGPRSState +
                " oldType=" + networkTypeToString(networkType) +
                " newType=" + networkTypeToString(newNetworkType));
        }

        boolean hasRegistered =
            ss.getState() != ServiceState.STATE_IN_SERVICE
            && newSS.getState() == ServiceState.STATE_IN_SERVICE;

        boolean hasDeregistered =
            ss.getState() == ServiceState.STATE_IN_SERVICE
            && newSS.getState() != ServiceState.STATE_IN_SERVICE;

        boolean hasGprsAttached =
                gprsState != ServiceState.STATE_IN_SERVICE
                && newGPRSState == ServiceState.STATE_IN_SERVICE;

        boolean hasGprsDetached =
                gprsState == ServiceState.STATE_IN_SERVICE
                && newGPRSState != ServiceState.STATE_IN_SERVICE;

        boolean hasNetworkTypeChanged = networkType != newNetworkType;

        boolean hasChanged = !newSS.equals(ss);

        boolean hasRoamingOn = !ss.getRoaming() && newSS.getRoaming();

        boolean hasRoamingOff = ss.getRoaming() && !newSS.getRoaming();

        boolean hasLocationChanged = !newCellLoc.equals(cellLoc);

        ServiceState tss;
        tss = ss;
        ss = newSS;
        newSS = tss;
        // clean slate for next time
        newSS.setStateOutOfService();

        GsmCellLocation tcl = cellLoc;
        cellLoc = newCellLoc;
        newCellLoc = tcl;

        gprsState = newGPRSState;
        networkType = newNetworkType;

        newSS.setStateOutOfService(); // clean slate for next time

        if (hasNetworkTypeChanged) {
            phone.setSystemProperty(PROPERTY_DATA_NETWORK_TYPE,
                    networkTypeToString(networkType));
        }

        if (hasRegistered) {
            Checkin.updateStats(phone.getContext().getContentResolver(),
                    Checkin.Stats.Tag.PHONE_GSM_REGISTERED, 1, 0.0);
            networkAttachedRegistrants.notifyRegistrants();
        }

        if (hasChanged) {
            String operatorNumeric;

            phone.setSystemProperty(PROPERTY_OPERATOR_ALPHA,
                ss.getOperatorAlphaLong());

            operatorNumeric = ss.getOperatorNumeric();
            phone.setSystemProperty(PROPERTY_OPERATOR_NUMERIC, operatorNumeric);

            if (operatorNumeric == null) {
                phone.setSystemProperty(PROPERTY_OPERATOR_ISO_COUNTRY, "");
            } else {
                String iso = "";
                try{
                    iso = MccTable.countryCodeForMcc(Integer.parseInt(
                            operatorNumeric.substring(0,3)));
                } catch ( NumberFormatException ex){
                    Log.w(LOG_TAG, "countryCodeForMcc error" + ex);
                } catch ( StringIndexOutOfBoundsException ex) {
                    Log.w(LOG_TAG, "countryCodeForMcc error" + ex);
                }

                phone.setSystemProperty(PROPERTY_OPERATOR_ISO_COUNTRY, iso);
                mGotCountryCode = true;

                if (mNeedFixZone) {
                    TimeZone zone = null;
                    // If the offset is (0, false) and the timezone property
                    // is set, use the timezone property rather than
                    // GMT.
                    String zoneName = SystemProperties.get(TIMEZONE_PROPERTY);
                    if ((mZoneOffset == 0) && (mZoneDst == false) &&
                        (zoneName != null) && (zoneName.length() > 0) &&
                        (Arrays.binarySearch(GMT_COUNTRY_CODES, iso) < 0)) {
                        zone = TimeZone.getDefault();
                        // For NITZ string without timezone,
                        // need adjust time to reflect default timezone setting
                        long tzOffset;
                        tzOffset = zone.getOffset(System.currentTimeMillis());
                        if (getAutoTime()) {
                            setAndBroadcastNetworkSetTime(System.currentTimeMillis() - tzOffset);
                        } else {
                            // Adjust the saved NITZ time to account for tzOffset.
                            mSavedTime = mSavedTime - tzOffset;
                        }
                    } else if (iso.equals("")){
                        // Country code not found.  This is likely a test network.
                        // Get a TimeZone based only on the NITZ parameters (best guess).
                        zone = getNitzTimeZone(mZoneOffset, mZoneDst, mZoneTime);
                    } else {
                        zone = TimeUtils.getTimeZone(mZoneOffset,
                            mZoneDst, mZoneTime, iso);
                    }

                    mNeedFixZone = false;

                    if (zone != null) {
                        if (getAutoTime()) {
                            setAndBroadcastNetworkSetTimeZone(zone.getID());
                        }
                        saveNitzTimeZone(zone.getID());
                    }
                }
            }

            phone.setSystemProperty(PROPERTY_OPERATOR_ISROAMING,
                ss.getRoaming() ? "true" : "false");

            updateSpnDisplay();
            phone.notifyServiceStateChanged(ss);
        }

        if (hasGprsAttached) {
            gprsAttachedRegistrants.notifyRegistrants();
        }

        if (hasGprsDetached) {
            gprsDetachedRegistrants.notifyRegistrants();
        }

        if (hasNetworkTypeChanged) {
            phone.notifyDataConnection(null);
        }

        if (hasRoamingOn) {
            roamingOnRegistrants.notifyRegistrants();
        }

        if (hasRoamingOff) {
            roamingOffRegistrants.notifyRegistrants();
        }

        if (hasLocationChanged) {
            phone.notifyLocationChanged();
        }

        if (! isGprsConsistant(gprsState, ss.getState())) {
            if (!mStartedGprsRegCheck && !mReportedGprsNoReg) {
                mStartedGprsRegCheck = true;

                int check_period = Settings.Gservices.getInt(
                        phone.getContext().getContentResolver(),
                        Settings.Gservices.GPRS_REGISTER_CHECK_PERIOD_MS,
                        DEFAULT_GPRS_CHECK_PERIOD_MILLIS);
                sendMessageDelayed(obtainMessage(EVENT_CHECK_REPORT_GPRS),
                        check_period);
            }
        } else {
            mReportedGprsNoReg = false;
        }
private voidqueueNextSignalStrengthPoll()

        if (dontPollSignalStrength) {
            // The radio is telling us about signal strength changes
            // we don't have to ask it
            return;
        }

        Message msg;

        msg = obtainMessage();
        msg.what = EVENT_POLL_SIGNAL_STRENGTH;

        long nextTime;

        // TODO Done't poll signal strength if screen is off
        sendMessageDelayed(msg, POLL_PERIOD_MILLIS);
voidreRegisterNetwork(android.os.Message onComplete)
Reregister network through toggle perferred network type This is a work aorund to deregister and register network since there is no ril api to set COPS=2 (deregister) only.

param
onComplete is dispatched when this is complete. it will be an AsyncResult, and onComplete.obj.exception will be non-null on failure.

        cm.getPreferredNetworkType(
                obtainMessage(EVENT_GET_PREFERRED_NETWORK_TYPE, onComplete));
private booleanregCodeIsRoaming(int code)
code is registration state 0-5 from TS 27.007 7.2 returns true if registered roam, false otherwise

        // 5 is  "in service -- roam"
        return 5 == code;
private intregCodeToServiceState(int code)
code is registration state 0-5 from TS 27.007 7.2

        switch (code) {
            case 0:
            case 2: // 2 is "searching"
            case 3: // 3 is "registration denied"
            case 4: // 4 is "unknown" no vaild in current baseband
                return ServiceState.STATE_OUT_OF_SERVICE;

            case 1:
                return ServiceState.STATE_IN_SERVICE;

            case 5:
                // in service, roam
                return ServiceState.STATE_IN_SERVICE;

            default:
                Log.w(LOG_TAG, "unexpected service state " + code);
                return ServiceState.STATE_OUT_OF_SERVICE;
        }
voidregisterForGprsAttached(android.os.Handler h, int what, java.lang.Object obj)
Registration point for transition into GPRS attached.

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Registrant r = new Registrant(h, what, obj);
        gprsAttachedRegistrants.add(r);

        if (gprsState == ServiceState.STATE_IN_SERVICE) {
            r.notifyRegistrant();
        }
voidregisterForGprsDetached(android.os.Handler h, int what, java.lang.Object obj)
Registration point for transition into GPRS detached.

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Registrant r = new Registrant(h, what, obj);
        gprsDetachedRegistrants.add(r);

        if (gprsState == ServiceState.STATE_OUT_OF_SERVICE) {
            r.notifyRegistrant();
        }
voidregisterForNetworkAttach(android.os.Handler h, int what, java.lang.Object obj)

        Registrant r = new Registrant(h, what, obj);
        networkAttachedRegistrants.add(r);

        if (ss.getState() == ServiceState.STATE_IN_SERVICE) {
            r.notifyRegistrant();
        }
voidregisterForPsRestrictedDisabled(android.os.Handler h, int what, java.lang.Object obj)
Registration point for transition out of packet service restricted zone.

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Log.d(LOG_TAG, "[DSAC DEB] " + "registerForPsRestrictedDisabled "); 
        Registrant r = new Registrant(h, what, obj);
        psRestrictDisabledRegistrants.add(r);

        if (rs.isPsRestricted()) {
            r.notifyRegistrant();
        }
voidregisterForPsRestrictedEnabled(android.os.Handler h, int what, java.lang.Object obj)
Registration point for transition into packet service restricted zone.

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Log.d(LOG_TAG, "[DSAC DEB] " + "registerForPsRestrictedEnabled "); 
        Registrant r = new Registrant(h, what, obj);
        psRestrictEnabledRegistrants.add(r);

        if (rs.isPsRestricted()) {
            r.notifyRegistrant();
        }
voidregisterForRoamingOff(android.os.Handler h, int what, java.lang.Object obj)
Registration point for combined roaming off combined roaming is true when roaming is true and ONS differs SPN

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Registrant r = new Registrant(h, what, obj);
        roamingOffRegistrants.add(r);

        if (!ss.getRoaming()) {
            r.notifyRegistrant();
        }
voidregisterForRoamingOn(android.os.Handler h, int what, java.lang.Object obj)
Registration point for combined roaming on combined roaming is true when roaming is true and ONS differs SPN

param
h handler to notify
param
what what code of message when delivered
param
obj placed in Message.obj

        Registrant r = new Registrant(h, what, obj);
        roamingOnRegistrants.add(r);

        if (ss.getRoaming()) {
            r.notifyRegistrant();
        }
private voidrevertToNitz()

        if (Settings.System.getInt(phone.getContext().getContentResolver(),
                Settings.System.AUTO_TIME, 0) == 0) {
            return;
        }
        Log.d(LOG_TAG, "Reverting to NITZ: tz='" + mSavedTimeZone
                + "' mSavedTime=" + mSavedTime
                + " mSavedAtTime=" + mSavedAtTime);
        if (mSavedTimeZone != null && mSavedTime != 0 && mSavedAtTime != 0) {
            setAndBroadcastNetworkSetTimeZone(mSavedTimeZone);
            setAndBroadcastNetworkSetTime(mSavedTime
                    + (SystemClock.elapsedRealtime() - mSavedAtTime));
        }
private voidsaveNitzTime(long time)

        mSavedTime = time;
        mSavedAtTime = SystemClock.elapsedRealtime();
private voidsaveNitzTimeZone(java.lang.String zoneId)

        mSavedTimeZone = zoneId;
private voidsetAndBroadcastNetworkSetTime(long time)
Set the time and Send out a sticky broadcast so the system can determine if the time was set by the carrier.

param
time time set by network

        SystemClock.setCurrentTimeMillis(time);
        Intent intent = new Intent(TelephonyIntents.ACTION_NETWORK_SET_TIME);
        intent.putExtra("time", time);
        phone.getContext().sendStickyBroadcast(intent);
private voidsetAndBroadcastNetworkSetTimeZone(java.lang.String zoneId)
Set the timezone and send out a sticky broadcast so the system can determine if the timezone was set by the carrier.

param
zoneId timezone set by carrier

        AlarmManager alarm =
            (AlarmManager) phone.getContext().getSystemService(Context.ALARM_SERVICE);
        alarm.setTimeZone(zoneId);
        Intent intent = new Intent(TelephonyIntents.ACTION_NETWORK_SET_TIMEZONE);
        intent.putExtra("time-zone", zoneId);
        phone.getContext().sendStickyBroadcast(intent);
private voidsetNotification(int notifyType)
Post a notification to NotificationManager for restricted state

param
notifyType is one state of PS/CS_*_ENABLE/DISABLE


        Log.d(LOG_TAG, "[DSAC DEB] " + "create notification " + notifyType);
        
        Context context = phone.getContext();

        mNotification = new Notification();
        mNotification.when = System.currentTimeMillis();
        mNotification.flags = Notification.FLAG_AUTO_CANCEL;
        mNotification.icon = com.android.internal.R.drawable.stat_sys_warning;
        Intent intent = new Intent();
        mNotification.contentIntent = PendingIntent
        .getActivity(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);

        CharSequence details = "";
        CharSequence title = context.getText(com.android.internal.R.string.RestrictedChangedTitle);
        int notificationId = CS_NOTIFICATION;
        
        switch (notifyType) {
        case PS_ENABLED:
            notificationId = PS_NOTIFICATION;
            details = context.getText(com.android.internal.R.string.RestrictedOnData);;
            break;
        case PS_DISABLED:
            notificationId = PS_NOTIFICATION;
            break;
        case CS_ENABLED:
            details = context.getText(com.android.internal.R.string.RestrictedOnAll);;
            break;   
        case CS_NORMAL_ENABLED:
            details = context.getText(com.android.internal.R.string.RestrictedOnNormal);;
            break;   
        case CS_EMERGENCY_ENABLED:
            details = context.getText(com.android.internal.R.string.RestrictedOnEmergency);;
            break;   
        case CS_DISABLED:
            // do nothing and cancel the notification later
            break;  
        }
        
        Log.d(LOG_TAG, "[DSAC DEB] " + "put notification " + title + " / " +details);
        mNotification.tickerText = title;
        mNotification.setLatestEventInfo(context, title, details, 
                mNotification.contentIntent);
        
        NotificationManager notificationManager = (NotificationManager) 
            context.getSystemService(Context.NOTIFICATION_SERVICE);

        if (notifyType == PS_DISABLED || notifyType == CS_DISABLED) {
            // cancel previous post notification
            notificationManager.cancel(notificationId);
        } else {
            // update restricted state notification
            notificationManager.notify(notificationId, mNotification);
        }
private voidsetPowerStateToDesired()

        // If we want it on and it's off, turn it on
        if (mDesiredPowerState
            && cm.getRadioState() == CommandsInterface.RadioState.RADIO_OFF
        ) {
            cm.setRadioPower(true, null);
        } else if (!mDesiredPowerState && cm.getRadioState().isOn()) {
            DataConnectionTracker dcTracker = phone.mDataConnection;
            if (! dcTracker.isDataConnectionAsDesired()) {

                EventLog.List val = new EventLog.List(
                        dcTracker.getStateInString(),
                        (dcTracker.getAnyDataEnabled() ? 1 : 0) );
                EventLog.writeEvent(TelephonyEventLog.EVENT_DATA_STATE_RADIO_OFF, val);
            }
            dcTracker.cleanConnectionBeforeRadioOff();
            
            // poll data state up to 15 times, with a 100ms delay
            // totaling 1.5 sec. Normal data disable action will finish in 100ms.
            for (int i = 0; i < MAX_NUM_DATA_STATE_READS; i++) {
                if (dcTracker.state != State.CONNECTED 
                        && dcTracker.state != State.DISCONNECTING) {
                    Log.d(LOG_TAG, "Data shutdown complete.");
                    break;
                }
                SystemClock.sleep(DATA_STATE_POLL_SLEEP_MS);
            }
            // If it's on and available and we want it off..
            cm.setRadioPower(false, null);
        } // Otherwise, we're in the desired state
public voidsetRadioPower(boolean power)

        mDesiredPowerState = power;

        setPowerStateToDesired();
private voidsetRssiDefaultValues()

        rssi = 99;
private voidsetTimeFromNITZString(java.lang.String nitz, long nitzReceiveTime)
nitzReceiveTime is time_t that the NITZ time was posted

        // "yy/mm/dd,hh:mm:ss(+/-)tz"
        // tz is in number of quarter-hours

        long start = SystemClock.elapsedRealtime();
        Log.i(LOG_TAG, "NITZ: " + nitz + "," + nitzReceiveTime +
                        " start=" + start + " delay=" + (start - nitzReceiveTime));

        try {
            /* NITZ time (hour:min:sec) will be in UTC but it supplies the timezone
             * offset as well (which we won't worry about until later) */
            Calendar c = Calendar.getInstance(TimeZone.getTimeZone("GMT"));

            c.clear();
            c.set(Calendar.DST_OFFSET, 0);

            String[] nitzSubs = nitz.split("[/:,+-]");

            int year = 2000 + Integer.parseInt(nitzSubs[0]);
            c.set(Calendar.YEAR, year);

            // month is 0 based!
            int month = Integer.parseInt(nitzSubs[1]) - 1;
            c.set(Calendar.MONTH, month);

            int date = Integer.parseInt(nitzSubs[2]);
            c.set(Calendar.DATE, date);

            int hour = Integer.parseInt(nitzSubs[3]);
            c.set(Calendar.HOUR, hour);

            int minute = Integer.parseInt(nitzSubs[4]);
            c.set(Calendar.MINUTE, minute);

            int second = Integer.parseInt(nitzSubs[5]);
            c.set(Calendar.SECOND, second);

            boolean sign = (nitz.indexOf('-") == -1);

            int tzOffset = Integer.parseInt(nitzSubs[6]);

            int dst = (nitzSubs.length >= 8 ) ? Integer.parseInt(nitzSubs[7])
                                              : 0;

            // The zone offset received from NITZ is for current local time,
            // so DST correction is already applied.  Don't add it again.
            //
            // tzOffset += dst * 4;
            //
            // We could unapply it if we wanted the raw offset.

            tzOffset = (sign ? 1 : -1) * tzOffset * 15 * 60 * 1000;

            TimeZone    zone = null;

            // As a special extension, the Android emulator appends the name of
            // the host computer's timezone to the nitz string. this is zoneinfo
            // timezone name of the form Area!Location or Area!Location!SubLocation
            // so we need to convert the ! into /
            if (nitzSubs.length >= 9) {
                String  tzname = nitzSubs[8].replace('!",'/");
                zone = TimeZone.getTimeZone( tzname );
            }

            String iso = SystemProperties.get(PROPERTY_OPERATOR_ISO_COUNTRY);

            if (zone == null) {

                if (mGotCountryCode) {
                    if (iso != null && iso.length() > 0) {
                        zone = TimeUtils.getTimeZone(tzOffset, dst != 0,
                                c.getTimeInMillis(),
                                iso);
                    } else {
                        // We don't have a valid iso country code.  This is
                        // most likely because we're on a test network that's
                        // using a bogus MCC (eg, "001"), so get a TimeZone
                        // based only on the NITZ parameters.
                        zone = getNitzTimeZone(tzOffset, (dst != 0), c.getTimeInMillis());
                    }
                }
            }

            if (zone == null) {
                // We got the time before the country, so we don't know
                // how to identify the DST rules yet.  Save the information
                // and hope to fix it up later.

                mNeedFixZone = true;
                mZoneOffset  = tzOffset;
                mZoneDst     = dst != 0;
                mZoneTime    = c.getTimeInMillis();
            }

            if (zone != null) {
                if (getAutoTime()) {
                    setAndBroadcastNetworkSetTimeZone(zone.getID());
                }
                saveNitzTimeZone(zone.getID());
            }

            String ignore = SystemProperties.get("gsm.ignore-nitz");
            if (ignore != null && ignore.equals("yes")) {
                Log.i(LOG_TAG, "NITZ: Not setting clock because gsm.ignore-nitz is set");
                return;
            }

            try {
                mWakeLock.acquire();

                if (getAutoTime()) {
                    long millisSinceNitzReceived
                            = SystemClock.elapsedRealtime() - nitzReceiveTime;

                    if (millisSinceNitzReceived < 0) {
                        // Sanity check: something is wrong
                        Log.i(LOG_TAG, "NITZ: not setting time, clock has rolled "
                                            + "backwards since NITZ time was received, "
                                            + nitz);
                        return;
                    }

                    if (millisSinceNitzReceived > Integer.MAX_VALUE) {
                        // If the time is this far off, something is wrong > 24 days!
                        Log.i(LOG_TAG, "NITZ: not setting time, processing has taken "
                                        + (millisSinceNitzReceived / (1000 * 60 * 60 * 24))
                                        + " days");
                        return;
                    }

                    // Note: with range checks above, cast to int is safe
                    c.add(Calendar.MILLISECOND, (int)millisSinceNitzReceived);

                    Log.i(LOG_TAG, "NITZ: Setting time of day to " + c.getTime()
                        + " NITZ receive delay(ms): " + millisSinceNitzReceived
                        + " gained(ms): "
                        + (c.getTimeInMillis() - System.currentTimeMillis())
                        + " from " + nitz);

                    setAndBroadcastNetworkSetTime(c.getTimeInMillis());
                    Log.i(LOG_TAG, "NITZ: after Setting time of day");
                }
                SystemProperties.set("gsm.nitz.time", String.valueOf(c.getTimeInMillis()));
                saveNitzTime(c.getTimeInMillis());
                if (Config.LOGV) {
                    long end = SystemClock.elapsedRealtime();
                    Log.v(LOG_TAG, "NITZ: end=" + end + " dur=" + (end - start));
                }
            } finally {
                mWakeLock.release();
            }
        } catch (RuntimeException ex) {
            Log.e(LOG_TAG, "NITZ: Parsing NITZ time " + nitz, ex);
        }
private static inttwoDigitsAt(java.lang.String s, int offset)

        int a, b;

        a = Character.digit(s.charAt(offset), 10);
        b = Character.digit(s.charAt(offset+1), 10);

        if (a < 0 || b < 0) {

            throw new RuntimeException("invalid format");
        }

        return a*10 + b;
private voidupdateSpnDisplay()

        int rule = phone.mSIMRecords.getDisplayRule(ss.getOperatorNumeric());
        String spn = phone.mSIMRecords.getServiceProviderName();
        String plmn = ss.getOperatorAlphaLong();

        if (rule != curSpnRule
                || !TextUtils.equals(spn, curSpn)
                || !TextUtils.equals(plmn, curPlmn)) {
            boolean showSpn =
                (rule & SIMRecords.SPN_RULE_SHOW_SPN) == SIMRecords.SPN_RULE_SHOW_SPN;
            boolean showPlmn =
                (rule & SIMRecords.SPN_RULE_SHOW_PLMN) == SIMRecords.SPN_RULE_SHOW_PLMN;
            Intent intent = new Intent(Intents.SPN_STRINGS_UPDATED_ACTION);
            intent.putExtra(Intents.EXTRA_SHOW_SPN, showSpn);
            intent.putExtra(Intents.EXTRA_SPN, spn);
            intent.putExtra(Intents.EXTRA_SHOW_PLMN, showPlmn);
            intent.putExtra(Intents.EXTRA_PLMN, plmn);
            phone.getContext().sendStickyBroadcast(intent);
        }
        curSpnRule = rule;
        curSpn = spn;
        curPlmn = plmn;