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|
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.telephony;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.Context;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemProperties;
import android.util.Log;
import com.android.internal.telephony.IPhoneSubInfo;
import com.android.internal.telephony.ITelephony;
import com.android.internal.telephony.ITelephonyRegistry;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneFactory;
import com.android.internal.telephony.TelephonyProperties;
import java.util.List;
/**
* Provides access to information about the telephony services on
* the device. Applications can use the methods in this class to
* determine telephony services and states, as well as to access some
* types of subscriber information. Applications can also register
* a listener to receive notification of telephony state changes.
* <p>
* You do not instantiate this class directly; instead, you retrieve
* a reference to an instance through
* {@link android.content.Context#getSystemService
* Context.getSystemService(Context.TELEPHONY_SERVICE)}.
* <p>
* Note that access to some telephony information is
* permission-protected. Your application cannot access the protected
* information unless it has the appropriate permissions declared in
* its manifest file. Where permissions apply, they are noted in the
* the methods through which you access the protected information.
*/
public class TelephonyManager {
private static final String TAG = "TelephonyManager";
private static Context sContext;
private static ITelephonyRegistry sRegistry;
/** @hide */
public TelephonyManager(Context context) {
if (sContext == null) {
sContext = context.getApplicationContext();
sRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService(
"telephony.registry"));
} else {
Log.e(TAG, "Hidden constructor called more than once per process!");
Log.e(TAG, "Original: " + sContext.getPackageName() + ", new: " +
context.getPackageName());
}
}
/** @hide */
private TelephonyManager() {
}
private static TelephonyManager sInstance = new TelephonyManager();
/** @hide
/* @deprecated - use getSystemService as described above */
public static TelephonyManager getDefault() {
return sInstance;
}
//
// Broadcast Intent actions
//
/**
* Broadcast intent action indicating that the call state (cellular)
* on the device has changed.
*
* <p>
* The {@link #EXTRA_STATE} extra indicates the new call state.
* If the new state is RINGING, a second extra
* {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as
* a String.
*
* <p class="note">
* Requires the READ_PHONE_STATE permission.
*
* <p class="note">
* This was a {@link android.content.Context#sendStickyBroadcast sticky}
* broadcast in version 1.0, but it is no longer sticky.
* Instead, use {@link #getCallState} to synchronously query the current call state.
*
* @see #EXTRA_STATE
* @see #EXTRA_INCOMING_NUMBER
* @see #getCallState
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String ACTION_PHONE_STATE_CHANGED =
"android.intent.action.PHONE_STATE";
/**
* The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast
* for a String containing the new call state.
*
* @see #EXTRA_STATE_IDLE
* @see #EXTRA_STATE_RINGING
* @see #EXTRA_STATE_OFFHOOK
*
* <p class="note">
* Retrieve with
* {@link android.content.Intent#getStringExtra(String)}.
*/
public static final String EXTRA_STATE = Phone.STATE_KEY;
/**
* Value used with {@link #EXTRA_STATE} corresponding to
* {@link #CALL_STATE_IDLE}.
*/
public static final String EXTRA_STATE_IDLE = Phone.State.IDLE.toString();
/**
* Value used with {@link #EXTRA_STATE} corresponding to
* {@link #CALL_STATE_RINGING}.
*/
public static final String EXTRA_STATE_RINGING = Phone.State.RINGING.toString();
/**
* Value used with {@link #EXTRA_STATE} corresponding to
* {@link #CALL_STATE_OFFHOOK}.
*/
public static final String EXTRA_STATE_OFFHOOK = Phone.State.OFFHOOK.toString();
/**
* The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast
* for a String containing the incoming phone number.
* Only valid when the new call state is RINGING.
*
* <p class="note">
* Retrieve with
* {@link android.content.Intent#getStringExtra(String)}.
*/
public static final String EXTRA_INCOMING_NUMBER = "incoming_number";
//
//
// Device Info
//
//
/**
* Returns the software version number for the device, for example,
* the IMEI/SV for GSM phones. Return null if the software version is
* not available.
*
* <p>Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getDeviceSoftwareVersion() {
try {
return getSubscriberInfo().getDeviceSvn();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
return null;
}
}
/**
* Returns the unique device ID, for example, the IMEI for GSM and the MEID
* or ESN for CDMA phones. Return null if device ID is not available.
*
* <p>Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getDeviceId() {
try {
return getSubscriberInfo().getDeviceId();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
return null;
}
}
/**
* Returns the current location of the device.
* Return null if current location is not available.
*
* <p>Requires Permission:
* {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or
* {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_FINE_LOCATION}.
*/
public CellLocation getCellLocation() {
try {
Bundle bundle = getITelephony().getCellLocation();
CellLocation cl = CellLocation.newFromBundle(bundle);
if (cl.isEmpty())
return null;
return cl;
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
return null;
}
}
/**
* Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged
* PhoneStateListener.onCellLocationChanged} will be called on location updates.
*
* <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES
* CONTROL_LOCATION_UPDATES}
*
* @hide
*/
public void enableLocationUpdates() {
try {
getITelephony().enableLocationUpdates();
} catch (RemoteException ex) {
} catch (NullPointerException ex) {
}
}
/**
* Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged
* PhoneStateListener.onCellLocationChanged} will be called on location updates.
*
* <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES
* CONTROL_LOCATION_UPDATES}
*
* @hide
*/
public void disableLocationUpdates() {
try {
getITelephony().disableLocationUpdates();
} catch (RemoteException ex) {
} catch (NullPointerException ex) {
}
}
/**
* Returns the neighboring cell information of the device.
*
* @return List of NeighboringCellInfo or null if info unavailable.
*
* <p>Requires Permission:
* (@link android.Manifest.permission#ACCESS_COARSE_UPDATES}
*/
public List<NeighboringCellInfo> getNeighboringCellInfo() {
try {
return getITelephony().getNeighboringCellInfo();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
return null;
}
}
/** No phone radio. */
public static final int PHONE_TYPE_NONE = Phone.PHONE_TYPE_NONE;
/** Phone radio is GSM. */
public static final int PHONE_TYPE_GSM = Phone.PHONE_TYPE_GSM;
/** Phone radio is CDMA. */
public static final int PHONE_TYPE_CDMA = Phone.PHONE_TYPE_CDMA;
/** Phone is via SIP. */
public static final int PHONE_TYPE_SIP = Phone.PHONE_TYPE_SIP;
/**
* Returns the current phone type.
* TODO: This is a last minute change and hence hidden.
*
* @see #PHONE_TYPE_NONE
* @see #PHONE_TYPE_GSM
* @see #PHONE_TYPE_CDMA
* @see #PHONE_TYPE_SIP
*
* {@hide}
*/
public int getCurrentPhoneType() {
try{
ITelephony telephony = getITelephony();
if (telephony != null) {
return telephony.getActivePhoneType();
} else {
// This can happen when the ITelephony interface is not up yet.
return getPhoneTypeFromProperty();
}
} catch (RemoteException ex) {
// This shouldn't happen in the normal case, as a backup we
// read from the system property.
return getPhoneTypeFromProperty();
} catch (NullPointerException ex) {
// This shouldn't happen in the normal case, as a backup we
// read from the system property.
return getPhoneTypeFromProperty();
}
}
/**
* Returns a constant indicating the device phone type. This
* indicates the type of radio used to transmit voice calls.
*
* @see #PHONE_TYPE_NONE
* @see #PHONE_TYPE_GSM
* @see #PHONE_TYPE_CDMA
* @see #PHONE_TYPE_SIP
*/
public int getPhoneType() {
if (!isVoiceCapable()) {
return PHONE_TYPE_NONE;
}
return getCurrentPhoneType();
}
private int getPhoneTypeFromProperty() {
int type =
SystemProperties.getInt(TelephonyProperties.CURRENT_ACTIVE_PHONE,
getPhoneTypeFromNetworkType());
return type;
}
private int getPhoneTypeFromNetworkType() {
// When the system property CURRENT_ACTIVE_PHONE, has not been set,
// use the system property for default network type.
// This is a fail safe, and can only happen at first boot.
int mode = SystemProperties.getInt("ro.telephony.default_network", -1);
if (mode == -1)
return PHONE_TYPE_NONE;
return PhoneFactory.getPhoneType(mode);
}
//
//
// Current Network
//
//
/**
* Returns the alphabetic name of current registered operator.
* <p>
* Availability: Only when user is registered to a network. Result may be
* unreliable on CDMA networks (use {@link #getPhoneType()} to determine if
* on a CDMA network).
*/
public String getNetworkOperatorName() {
return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA);
}
/**
* Returns the numeric name (MCC+MNC) of current registered operator.
* <p>
* Availability: Only when user is registered to a network. Result may be
* unreliable on CDMA networks (use {@link #getPhoneType()} to determine if
* on a CDMA network).
*/
public String getNetworkOperator() {
return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC);
}
/**
* Returns true if the device is considered roaming on the current
* network, for GSM purposes.
* <p>
* Availability: Only when user registered to a network.
*/
public boolean isNetworkRoaming() {
return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING));
}
/**
* Returns the ISO country code equivalent of the current registered
* operator's MCC (Mobile Country Code).
* <p>
* Availability: Only when user is registered to a network. Result may be
* unreliable on CDMA networks (use {@link #getPhoneType()} to determine if
* on a CDMA network).
*/
public String getNetworkCountryIso() {
return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY);
}
/** Network type is unknown */
public static final int NETWORK_TYPE_UNKNOWN = 0;
/** Current network is GPRS */
public static final int NETWORK_TYPE_GPRS = 1;
/** Current network is EDGE */
public static final int NETWORK_TYPE_EDGE = 2;
/** Current network is UMTS */
public static final int NETWORK_TYPE_UMTS = 3;
/** Current network is CDMA: Either IS95A or IS95B*/
public static final int NETWORK_TYPE_CDMA = 4;
/** Current network is EVDO revision 0*/
public static final int NETWORK_TYPE_EVDO_0 = 5;
/** Current network is EVDO revision A*/
public static final int NETWORK_TYPE_EVDO_A = 6;
/** Current network is 1xRTT*/
public static final int NETWORK_TYPE_1xRTT = 7;
/** Current network is HSDPA */
public static final int NETWORK_TYPE_HSDPA = 8;
/** Current network is HSUPA */
public static final int NETWORK_TYPE_HSUPA = 9;
/** Current network is HSPA */
public static final int NETWORK_TYPE_HSPA = 10;
/** Current network is iDen */
public static final int NETWORK_TYPE_IDEN = 11;
/** Current network is EVDO revision B*/
public static final int NETWORK_TYPE_EVDO_B = 12;
/** Current network is LTE */
public static final int NETWORK_TYPE_LTE = 13;
/** Current network is eHRPD */
public static final int NETWORK_TYPE_EHRPD = 14;
/** Current network is HSPA+ */
public static final int NETWORK_TYPE_HSPAP = 15;
/**
* Returns a constant indicating the radio technology (network type)
* currently in use on the device for data transmission.
* @return the network type
*
* @see #NETWORK_TYPE_UNKNOWN
* @see #NETWORK_TYPE_GPRS
* @see #NETWORK_TYPE_EDGE
* @see #NETWORK_TYPE_UMTS
* @see #NETWORK_TYPE_HSDPA
* @see #NETWORK_TYPE_HSUPA
* @see #NETWORK_TYPE_HSPA
* @see #NETWORK_TYPE_CDMA
* @see #NETWORK_TYPE_EVDO_0
* @see #NETWORK_TYPE_EVDO_A
* @see #NETWORK_TYPE_EVDO_B
* @see #NETWORK_TYPE_1xRTT
* @see #NETWORK_TYPE_IDEN
* @see #NETWORK_TYPE_LTE
* @see #NETWORK_TYPE_EHRPD
* @see #NETWORK_TYPE_HSPAP
*/
public int getNetworkType() {
try{
ITelephony telephony = getITelephony();
if (telephony != null) {
return telephony.getNetworkType();
} else {
// This can happen when the ITelephony interface is not up yet.
return NETWORK_TYPE_UNKNOWN;
}
} catch(RemoteException ex) {
// This shouldn't happen in the normal case
return NETWORK_TYPE_UNKNOWN;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return NETWORK_TYPE_UNKNOWN;
}
}
/** Unknown network class. {@hide} */
public static final int NETWORK_CLASS_UNKNOWN = 0;
/** Class of broadly defined "2G" networks. {@hide} */
public static final int NETWORK_CLASS_2_G = 1;
/** Class of broadly defined "3G" networks. {@hide} */
public static final int NETWORK_CLASS_3_G = 2;
/** Class of broadly defined "4G" networks. {@hide} */
public static final int NETWORK_CLASS_4_G = 3;
/**
* Return general class of network type, such as "3G" or "4G". In cases
* where classification is contentious, this method is conservative.
*
* @hide
*/
public static int getNetworkClass(int networkType) {
switch (networkType) {
case NETWORK_TYPE_GPRS:
case NETWORK_TYPE_EDGE:
case NETWORK_TYPE_CDMA:
case NETWORK_TYPE_1xRTT:
case NETWORK_TYPE_IDEN:
return NETWORK_CLASS_2_G;
case NETWORK_TYPE_UMTS:
case NETWORK_TYPE_EVDO_0:
case NETWORK_TYPE_EVDO_A:
case NETWORK_TYPE_HSDPA:
case NETWORK_TYPE_HSUPA:
case NETWORK_TYPE_HSPA:
case NETWORK_TYPE_EVDO_B:
case NETWORK_TYPE_EHRPD:
case NETWORK_TYPE_HSPAP:
return NETWORK_CLASS_3_G;
case NETWORK_TYPE_LTE:
return NETWORK_CLASS_4_G;
default:
return NETWORK_CLASS_UNKNOWN;
}
}
/**
* Returns a string representation of the radio technology (network type)
* currently in use on the device.
* @return the name of the radio technology
*
* @hide pending API council review
*/
public String getNetworkTypeName() {
return getNetworkTypeName(getNetworkType());
}
/** {@hide} */
public static String getNetworkTypeName(int type) {
switch (type) {
case NETWORK_TYPE_GPRS:
return "GPRS";
case NETWORK_TYPE_EDGE:
return "EDGE";
case NETWORK_TYPE_UMTS:
return "UMTS";
case NETWORK_TYPE_HSDPA:
return "HSDPA";
case NETWORK_TYPE_HSUPA:
return "HSUPA";
case NETWORK_TYPE_HSPA:
return "HSPA";
case NETWORK_TYPE_CDMA:
return "CDMA";
case NETWORK_TYPE_EVDO_0:
return "CDMA - EvDo rev. 0";
case NETWORK_TYPE_EVDO_A:
return "CDMA - EvDo rev. A";
case NETWORK_TYPE_EVDO_B:
return "CDMA - EvDo rev. B";
case NETWORK_TYPE_1xRTT:
return "CDMA - 1xRTT";
case NETWORK_TYPE_LTE:
return "LTE";
case NETWORK_TYPE_EHRPD:
return "CDMA - eHRPD";
case NETWORK_TYPE_IDEN:
return "iDEN";
case NETWORK_TYPE_HSPAP:
return "HSPA+";
default:
return "UNKNOWN";
}
}
//
//
// SIM Card
//
//
/** SIM card state: Unknown. Signifies that the SIM is in transition
* between states. For example, when the user inputs the SIM pin
* under PIN_REQUIRED state, a query for sim status returns
* this state before turning to SIM_STATE_READY. */
public static final int SIM_STATE_UNKNOWN = 0;
/** SIM card state: no SIM card is available in the device */
public static final int SIM_STATE_ABSENT = 1;
/** SIM card state: Locked: requires the user's SIM PIN to unlock */
public static final int SIM_STATE_PIN_REQUIRED = 2;
/** SIM card state: Locked: requires the user's SIM PUK to unlock */
public static final int SIM_STATE_PUK_REQUIRED = 3;
/** SIM card state: Locked: requries a network PIN to unlock */
public static final int SIM_STATE_NETWORK_LOCKED = 4;
/** SIM card state: Ready */
public static final int SIM_STATE_READY = 5;
/**
* @return true if a ICC card is present
*/
public boolean hasIccCard() {
try {
return getITelephony().hasIccCard();
} catch (RemoteException ex) {
// Assume no ICC card if remote exception which shouldn't happen
return false;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return false;
}
}
/**
* Returns a constant indicating the state of the
* device SIM card.
*
* @see #SIM_STATE_UNKNOWN
* @see #SIM_STATE_ABSENT
* @see #SIM_STATE_PIN_REQUIRED
* @see #SIM_STATE_PUK_REQUIRED
* @see #SIM_STATE_NETWORK_LOCKED
* @see #SIM_STATE_READY
*/
public int getSimState() {
String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE);
if ("ABSENT".equals(prop)) {
return SIM_STATE_ABSENT;
}
else if ("PIN_REQUIRED".equals(prop)) {
return SIM_STATE_PIN_REQUIRED;
}
else if ("PUK_REQUIRED".equals(prop)) {
return SIM_STATE_PUK_REQUIRED;
}
else if ("NETWORK_LOCKED".equals(prop)) {
return SIM_STATE_NETWORK_LOCKED;
}
else if ("READY".equals(prop)) {
return SIM_STATE_READY;
}
else {
return SIM_STATE_UNKNOWN;
}
}
/**
* Returns the MCC+MNC (mobile country code + mobile network code) of the
* provider of the SIM. 5 or 6 decimal digits.
* <p>
* Availability: SIM state must be {@link #SIM_STATE_READY}
*
* @see #getSimState
*/
public String getSimOperator() {
return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC);
}
/**
* Returns the Service Provider Name (SPN).
* <p>
* Availability: SIM state must be {@link #SIM_STATE_READY}
*
* @see #getSimState
*/
public String getSimOperatorName() {
return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA);
}
/**
* Returns the ISO country code equivalent for the SIM provider's country code.
*/
public String getSimCountryIso() {
return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY);
}
/**
* Returns the serial number of the SIM, if applicable. Return null if it is
* unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getSimSerialNumber() {
try {
return getSubscriberInfo().getIccSerialNumber();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Return if the current radio is LTE on CDMA. This
* is a tri-state return value as for a period of time
* the mode may be unknown.
*
* @return {@link Phone#LTE_ON_CDMA_UNKNOWN}, {@link Phone#LTE_ON_CDMA_FALSE}
* or {@link Phone#LTE_ON_CDMA_TRUE}
*
* @hide
*/
public int getLteOnCdmaMode() {
try {
return getITelephony().getLteOnCdmaMode();
} catch (RemoteException ex) {
// Assume no ICC card if remote exception which shouldn't happen
return Phone.LTE_ON_CDMA_UNKNOWN;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return Phone.LTE_ON_CDMA_UNKNOWN;
}
}
//
//
// Subscriber Info
//
//
/**
* Returns the unique subscriber ID, for example, the IMSI for a GSM phone.
* Return null if it is unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getSubscriberId() {
try {
return getSubscriberInfo().getSubscriberId();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Returns the phone number string for line 1, for example, the MSISDN
* for a GSM phone. Return null if it is unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getLine1Number() {
try {
return getSubscriberInfo().getLine1Number();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Returns the alphabetic identifier associated with the line 1 number.
* Return null if it is unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
* @hide
* nobody seems to call this.
*/
public String getLine1AlphaTag() {
try {
return getSubscriberInfo().getLine1AlphaTag();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Returns the voice mail number. Return null if it is unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getVoiceMailNumber() {
try {
return getSubscriberInfo().getVoiceMailNumber();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Returns the complete voice mail number. Return null if it is unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#CALL_PRIVILEGED CALL_PRIVILEGED}
*
* @hide
*/
public String getCompleteVoiceMailNumber() {
try {
return getSubscriberInfo().getCompleteVoiceMailNumber();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
/**
* Returns the voice mail count. Return 0 if unavailable.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
* @hide
*/
public int getVoiceMessageCount() {
try {
return getITelephony().getVoiceMessageCount();
} catch (RemoteException ex) {
return 0;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return 0;
}
}
/**
* Retrieves the alphabetic identifier associated with the voice
* mail number.
* <p>
* Requires Permission:
* {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
*/
public String getVoiceMailAlphaTag() {
try {
return getSubscriberInfo().getVoiceMailAlphaTag();
} catch (RemoteException ex) {
return null;
} catch (NullPointerException ex) {
// This could happen before phone restarts due to crashing
return null;
}
}
private IPhoneSubInfo getSubscriberInfo() {
// get it each time because that process crashes a lot
return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo"));
}
/** Device call state: No activity. */
public static final int CALL_STATE_IDLE = 0;
/** Device call state: Ringing. A new call arrived and is
* ringing or waiting. In the latter case, another call is
* already active. */
public static final int CALL_STATE_RINGING = 1;
/** Device call state: Off-hook. At least one call exists
* that is dialing, active, or on hold, and no calls are ringing
* or waiting. */
public static final int CALL_STATE_OFFHOOK = 2;
/**
* Returns a constant indicating the call state (cellular) on the device.
*/
public int getCallState() {
try {
return getITelephony().getCallState();
} catch (RemoteException ex) {
// the phone process is restarting.
return CALL_STATE_IDLE;
} catch (NullPointerException ex) {
// the phone process is restarting.
return CALL_STATE_IDLE;
}
}
/** Data connection activity: No traffic. */
public static final int DATA_ACTIVITY_NONE = 0x00000000;
/** Data connection activity: Currently receiving IP PPP traffic. */
public static final int DATA_ACTIVITY_IN = 0x00000001;
/** Data connection activity: Currently sending IP PPP traffic. */
public static final int DATA_ACTIVITY_OUT = 0x00000002;
/** Data connection activity: Currently both sending and receiving
* IP PPP traffic. */
public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT;
/**
* Data connection is active, but physical link is down
*/
public static final int DATA_ACTIVITY_DORMANT = 0x00000004;
/**
* Returns a constant indicating the type of activity on a data connection
* (cellular).
*
* @see #DATA_ACTIVITY_NONE
* @see #DATA_ACTIVITY_IN
* @see #DATA_ACTIVITY_OUT
* @see #DATA_ACTIVITY_INOUT
* @see #DATA_ACTIVITY_DORMANT
*/
public int getDataActivity() {
try {
return getITelephony().getDataActivity();
} catch (RemoteException ex) {
// the phone process is restarting.
return DATA_ACTIVITY_NONE;
} catch (NullPointerException ex) {
// the phone process is restarting.
return DATA_ACTIVITY_NONE;
}
}
/** Data connection state: Unknown. Used before we know the state.
* @hide
*/
public static final int DATA_UNKNOWN = -1;
/** Data connection state: Disconnected. IP traffic not available. */
public static final int DATA_DISCONNECTED = 0;
/** Data connection state: Currently setting up a data connection. */
public static final int DATA_CONNECTING = 1;
/** Data connection state: Connected. IP traffic should be available. */
public static final int DATA_CONNECTED = 2;
/** Data connection state: Suspended. The connection is up, but IP
* traffic is temporarily unavailable. For example, in a 2G network,
* data activity may be suspended when a voice call arrives. */
public static final int DATA_SUSPENDED = 3;
/**
* Returns a constant indicating the current data connection state
* (cellular).
*
* @see #DATA_DISCONNECTED
* @see #DATA_CONNECTING
* @see #DATA_CONNECTED
* @see #DATA_SUSPENDED
*/
public int getDataState() {
try {
return getITelephony().getDataState();
} catch (RemoteException ex) {
// the phone process is restarting.
return DATA_DISCONNECTED;
} catch (NullPointerException ex) {
return DATA_DISCONNECTED;
}
}
private ITelephony getITelephony() {
return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE));
}
//
//
// PhoneStateListener
//
//
/**
* Registers a listener object to receive notification of changes
* in specified telephony states.
* <p>
* To register a listener, pass a {@link PhoneStateListener}
* and specify at least one telephony state of interest in
* the events argument.
*
* At registration, and when a specified telephony state
* changes, the telephony manager invokes the appropriate
* callback method on the listener object and passes the
* current (udpated) values.
* <p>
* To unregister a listener, pass the listener object and set the
* events argument to
* {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0).
*
* @param listener The {@link PhoneStateListener} object to register
* (or unregister)
* @param events The telephony state(s) of interest to the listener,
* as a bitwise-OR combination of {@link PhoneStateListener}
* LISTEN_ flags.
*/
public void listen(PhoneStateListener listener, int events) {
String pkgForDebug = sContext != null ? sContext.getPackageName() : "<unknown>";
try {
Boolean notifyNow = (getITelephony() != null);
sRegistry.listen(pkgForDebug, listener.callback, events, notifyNow);
} catch (RemoteException ex) {
// system process dead
} catch (NullPointerException ex) {
// system process dead
}
}
/**
* Returns the CDMA ERI icon index to display
*
* @hide
*/
public int getCdmaEriIconIndex() {
try {
return getITelephony().getCdmaEriIconIndex();
} catch (RemoteException ex) {
// the phone process is restarting.
return -1;
} catch (NullPointerException ex) {
return -1;
}
}
/**
* Returns the CDMA ERI icon mode,
* 0 - ON
* 1 - FLASHING
*
* @hide
*/
public int getCdmaEriIconMode() {
try {
return getITelephony().getCdmaEriIconMode();
} catch (RemoteException ex) {
// the phone process is restarting.
return -1;
} catch (NullPointerException ex) {
return -1;
}
}
/**
* Returns the CDMA ERI text,
*
* @hide
*/
public String getCdmaEriText() {
try {
return getITelephony().getCdmaEriText();
} catch (RemoteException ex) {
// the phone process is restarting.
return null;
} catch (NullPointerException ex) {
return null;
}
}
/**
* @return true if the current device is "voice capable".
* <p>
* "Voice capable" means that this device supports circuit-switched
* (i.e. voice) phone calls over the telephony network, and is allowed
* to display the in-call UI while a cellular voice call is active.
* This will be false on "data only" devices which can't make voice
* calls and don't support any in-call UI.
* <p>
* Note: the meaning of this flag is subtly different from the
* PackageManager.FEATURE_TELEPHONY system feature, which is available
* on any device with a telephony radio, even if the device is
* data-only.
*
* @hide pending API review
*/
public boolean isVoiceCapable() {
if (sContext == null) return true;
return sContext.getResources().getBoolean(
com.android.internal.R.bool.config_voice_capable);
}
/**
* @return true if the current device supports sms service.
* <p>
* If true, this means that the device supports both sending and
* receiving sms via the telephony network.
* <p>
* Note: Voicemail waiting sms, cell broadcasting sms, and MMS are
* disabled when device doesn't support sms.
*
* @hide pending API review
*/
public boolean isSmsCapable() {
if (sContext == null) return true;
return sContext.getResources().getBoolean(
com.android.internal.R.bool.config_sms_capable);
}
}
|