/*
* 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.os.Binder;
import android.os.Parcel;
import android.content.res.Resources;
import android.text.TextUtils;
import com.android.internal.telephony.GsmAlphabet;
import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails;
import com.android.internal.telephony.SmsConstants;
import com.android.internal.telephony.SmsMessageBase;
import com.android.internal.telephony.SmsMessageBase.SubmitPduBase;
import com.android.internal.telephony.Sms7BitEncodingTranslator;
import java.lang.Math;
import java.util.ArrayList;
import java.util.Arrays;
import static android.telephony.TelephonyManager.PHONE_TYPE_CDMA;
/**
* A Short Message Service message.
* @see android.provider.Telephony.Sms.Intents#getMessagesFromIntent
*/
public class SmsMessage {
private static final String LOG_TAG = "SmsMessage";
/**
* SMS Class enumeration.
* See TS 23.038.
*
*/
public enum MessageClass{
UNKNOWN, CLASS_0, CLASS_1, CLASS_2, CLASS_3;
}
/** User data text encoding code unit size */
public static final int ENCODING_UNKNOWN = 0;
public static final int ENCODING_7BIT = 1;
public static final int ENCODING_8BIT = 2;
public static final int ENCODING_16BIT = 3;
/**
* @hide This value is not defined in global standard. Only in Korea, this is used.
*/
public static final int ENCODING_KSC5601 = 4;
/** The maximum number of payload bytes per message */
public static final int MAX_USER_DATA_BYTES = 140;
/**
* The maximum number of payload bytes per message if a user data header
* is present. This assumes the header only contains the
* CONCATENATED_8_BIT_REFERENCE element.
*/
public static final int MAX_USER_DATA_BYTES_WITH_HEADER = 134;
/** The maximum number of payload septets per message */
public static final int MAX_USER_DATA_SEPTETS = 160;
/**
* The maximum number of payload septets per message if a user data header
* is present. This assumes the header only contains the
* CONCATENATED_8_BIT_REFERENCE element.
*/
public static final int MAX_USER_DATA_SEPTETS_WITH_HEADER = 153;
/**
* Indicates a 3GPP format SMS message.
* @hide pending API council approval
*/
public static final String FORMAT_3GPP = "3gpp";
/**
* Indicates a 3GPP2 format SMS message.
* @hide pending API council approval
*/
public static final String FORMAT_3GPP2 = "3gpp2";
/** Contains actual SmsMessage. Only public for debugging and for framework layer.
*
* @hide
*/
public SmsMessageBase mWrappedSmsMessage;
/** Indicates the subId
*
* @hide
*/
private int mSubId = 0;
/** set Subscription information
*
* @hide
*/
public void setSubId(int subId) {
mSubId = subId;
}
/** get Subscription information
*
* @hide
*/
public int getSubId() {
return mSubId;
}
public static class SubmitPdu {
public byte[] encodedScAddress; // Null if not applicable.
public byte[] encodedMessage;
@Override
public String toString() {
return "SubmitPdu: encodedScAddress = "
+ Arrays.toString(encodedScAddress)
+ ", encodedMessage = "
+ Arrays.toString(encodedMessage);
}
/**
* @hide
*/
protected SubmitPdu(SubmitPduBase spb) {
this.encodedMessage = spb.encodedMessage;
this.encodedScAddress = spb.encodedScAddress;
}
}
private SmsMessage(SmsMessageBase smb) {
mWrappedSmsMessage = smb;
}
/**
* Create an SmsMessage from a raw PDU.
*
* <p><b>This method will soon be deprecated</b> and all applications which handle
* incoming SMS messages by processing the {@code SMS_RECEIVED_ACTION} broadcast
* intent <b>must</b> now pass the new {@code format} String extra from the intent
* into the new method {@code createFromPdu(byte[], String)} which takes an
* extra format parameter. This is required in order to correctly decode the PDU on
* devices that require support for both 3GPP and 3GPP2 formats at the same time,
* such as dual-mode GSM/CDMA and CDMA/LTE phones. Guess format based on Voice
* technology first, if it fails use other format.
*/
public static SmsMessage createFromPdu(byte[] pdu) {
SmsMessage message = null;
// cdma(3gpp2) vs gsm(3gpp) format info was not given,
// guess from active voice phone type
int activePhone = TelephonyManager.getDefault().getCurrentPhoneType();
String format = (PHONE_TYPE_CDMA == activePhone) ?
SmsConstants.FORMAT_3GPP2 : SmsConstants.FORMAT_3GPP;
message = createFromPdu(pdu, format);
if (null == message || null == message.mWrappedSmsMessage) {
// decoding pdu failed based on activePhone type, must be other format
format = (PHONE_TYPE_CDMA == activePhone) ?
SmsConstants.FORMAT_3GPP : SmsConstants.FORMAT_3GPP2;
message = createFromPdu(pdu, format);
}
return message;
}
/**
* Create an SmsMessage from a raw PDU with the specified message format. The
* message format is passed in the {@code SMS_RECEIVED_ACTION} as the {@code format}
* String extra, and will be either "3gpp" for GSM/UMTS/LTE messages in 3GPP format
* or "3gpp2" for CDMA/LTE messages in 3GPP2 format.
*
* @param pdu the message PDU from the SMS_RECEIVED_ACTION intent
* @param format the format extra from the SMS_RECEIVED_ACTION intent
* @hide pending API council approval
*/
public static SmsMessage createFromPdu(byte[] pdu, String format) {
SmsMessageBase wrappedMessage;
if (SmsConstants.FORMAT_3GPP2.equals(format)) {
wrappedMessage = com.android.internal.telephony.cdma.SmsMessage.createFromPdu(pdu);
} else if (SmsConstants.FORMAT_3GPP.equals(format)) {
wrappedMessage = com.android.internal.telephony.gsm.SmsMessage.createFromPdu(pdu);
} else {
Rlog.e(LOG_TAG, "createFromPdu(): unsupported message format " + format);
return null;
}
return new SmsMessage(wrappedMessage);
}
/**
* TS 27.005 3.4.1 lines[0] and lines[1] are the two lines read from the
* +CMT unsolicited response (PDU mode, of course)
* +CMT: [<alpha>],<length><CR><LF><pdu>
*
* Only public for debugging and for RIL
*
* {@hide}
*/
public static SmsMessage newFromCMT(String[] lines) {
// received SMS in 3GPP format
SmsMessageBase wrappedMessage =
com.android.internal.telephony.gsm.SmsMessage.newFromCMT(lines);
return new SmsMessage(wrappedMessage);
}
/** @hide */
public static SmsMessage newFromParcel(Parcel p) {
// received SMS in 3GPP2 format
SmsMessageBase wrappedMessage =
com.android.internal.telephony.cdma.SmsMessage.newFromParcel(p);
return new SmsMessage(wrappedMessage);
}
/**
* Create an SmsMessage from an SMS EF record.
*
* @param index Index of SMS record. This should be index in ArrayList
* returned by SmsManager.getAllMessagesFromSim + 1.
* @param data Record data.
* @return An SmsMessage representing the record.
*
* @hide
*/
public static SmsMessage createFromEfRecord(int index, byte[] data) {
SmsMessageBase wrappedMessage;
if (isCdmaVoice()) {
wrappedMessage = com.android.internal.telephony.cdma.SmsMessage.createFromEfRecord(
index, data);
} else {
wrappedMessage = com.android.internal.telephony.gsm.SmsMessage.createFromEfRecord(
index, data);
}
return wrappedMessage != null ? new SmsMessage(wrappedMessage) : null;
}
/**
* Get the TP-Layer-Length for the given SMS-SUBMIT PDU Basically, the
* length in bytes (not hex chars) less the SMSC header
*
* FIXME: This method is only used by a CTS test case that isn't run on CDMA devices.
* We should probably deprecate it and remove the obsolete test case.
*/
public static int getTPLayerLengthForPDU(String pdu) {
if (isCdmaVoice()) {
return com.android.internal.telephony.cdma.SmsMessage.getTPLayerLengthForPDU(pdu);
} else {
return com.android.internal.telephony.gsm.SmsMessage.getTPLayerLengthForPDU(pdu);
}
}
/*
* TODO(cleanup): It would make some sense if the result of
* preprocessing a message to determine the proper encoding (i.e.
* the resulting data structure from calculateLength) could be
* passed as an argument to the actual final encoding function.
* This would better ensure that the logic behind size calculation
* actually matched the encoding.
*/
/**
* Calculates the number of SMS's required to encode the message body and
* the number of characters remaining until the next message.
*
* @param msgBody the message to encode
* @param use7bitOnly if true, characters that are not part of the
* radio-specific 7-bit encoding are counted as single
* space chars. If false, and if the messageBody contains
* non-7-bit encodable characters, length is calculated
* using a 16-bit encoding.
* @return an int[4] with int[0] being the number of SMS's
* required, int[1] the number of code units used, and
* int[2] is the number of code units remaining until the
* next message. int[3] is an indicator of the encoding
* code unit size (see the ENCODING_* definitions in SmsConstants)
*/
public static int[] calculateLength(CharSequence msgBody, boolean use7bitOnly) {
// this function is for MO SMS
TextEncodingDetails ted = (useCdmaFormatForMoSms()) ?
com.android.internal.telephony.cdma.SmsMessage.calculateLength(msgBody, use7bitOnly,
true) :
com.android.internal.telephony.gsm.SmsMessage.calculateLength(msgBody, use7bitOnly);
int ret[] = new int[4];
ret[0] = ted.msgCount;
ret[1] = ted.codeUnitCount;
ret[2] = ted.codeUnitsRemaining;
ret[3] = ted.codeUnitSize;
return ret;
}
/**
* Divide a message text into several fragments, none bigger than
* the maximum SMS message text size.
*
* @param text text, must not be null.
* @return an <code>ArrayList</code> of strings that, in order,
* comprise the original msg text
*
* @hide
*/
public static ArrayList<String> fragmentText(String text) {
// This function is for MO SMS
TextEncodingDetails ted = (useCdmaFormatForMoSms()) ?
com.android.internal.telephony.cdma.SmsMessage.calculateLength(text, false, true) :
com.android.internal.telephony.gsm.SmsMessage.calculateLength(text, false);
// TODO(cleanup): The code here could be rolled into the logic
// below cleanly if these MAX_* constants were defined more
// flexibly...
int limit;
if (ted.codeUnitSize == SmsConstants.ENCODING_7BIT) {
int udhLength;
if (ted.languageTable != 0 && ted.languageShiftTable != 0) {
udhLength = GsmAlphabet.UDH_SEPTET_COST_TWO_SHIFT_TABLES;
} else if (ted.languageTable != 0 || ted.languageShiftTable != 0) {
udhLength = GsmAlphabet.UDH_SEPTET_COST_ONE_SHIFT_TABLE;
} else {
udhLength = 0;
}
if (ted.msgCount > 1) {
udhLength += GsmAlphabet.UDH_SEPTET_COST_CONCATENATED_MESSAGE;
}
if (udhLength != 0) {
udhLength += GsmAlphabet.UDH_SEPTET_COST_LENGTH;
}
limit = SmsConstants.MAX_USER_DATA_SEPTETS - udhLength;
} else {
if (ted.msgCount > 1) {
limit = SmsConstants.MAX_USER_DATA_BYTES_WITH_HEADER;
// If EMS is not supported, break down EMS into single segment SMS
// and add page info " x/y".
// In the case of UCS2 encoding, we need 8 bytes for this,
// but we only have 6 bytes from UDH, so truncate the limit for
// each segment by 2 bytes (1 char).
// Make sure total number of segments is less than 10.
if (!hasEmsSupport() && ted.msgCount < 10) {
limit -= 2;
}
} else {
limit = SmsConstants.MAX_USER_DATA_BYTES;
}
}
String newMsgBody = null;
Resources r = Resources.getSystem();
if (r.getBoolean(com.android.internal.R.bool.config_sms_force_7bit_encoding)) {
newMsgBody = Sms7BitEncodingTranslator.translate(text);
}
if (TextUtils.isEmpty(newMsgBody)) {
newMsgBody = text;
}
int pos = 0; // Index in code units.
int textLen = newMsgBody.length();
ArrayList<String> result = new ArrayList<String>(ted.msgCount);
while (pos < textLen) {
int nextPos = 0; // Counts code units.
if (ted.codeUnitSize == SmsConstants.ENCODING_7BIT) {
if (useCdmaFormatForMoSms() && ted.msgCount == 1) {
// For a singleton CDMA message, the encoding must be ASCII...
nextPos = pos + Math.min(limit, textLen - pos);
} else {
// For multi-segment messages, CDMA 7bit equals GSM 7bit encoding (EMS mode).
nextPos = GsmAlphabet.findGsmSeptetLimitIndex(newMsgBody, pos, limit,
ted.languageTable, ted.languageShiftTable);
}
} else { // Assume unicode.
nextPos = pos + Math.min(limit / 2, textLen - pos);
}
if ((nextPos <= pos) || (nextPos > textLen)) {
Rlog.e(LOG_TAG, "fragmentText failed (" + pos + " >= " + nextPos + " or " +
nextPos + " >= " + textLen + ")");
break;
}
result.add(newMsgBody.substring(pos, nextPos));
pos = nextPos;
}
return result;
}
/**
* Calculates the number of SMS's required to encode the message body and
* the number of characters remaining until the next message, given the
* current encoding.
*
* @param messageBody the message to encode
* @param use7bitOnly if true, characters that are not part of the radio
* specific (GSM / CDMA) alphabet encoding are converted to as a
* single space characters. If false, a messageBody containing
* non-GSM or non-CDMA alphabet characters are encoded using
* 16-bit encoding.
* @return an int[4] with int[0] being the number of SMS's required, int[1]
* the number of code units used, and int[2] is the number of code
* units remaining until the next message. int[3] is the encoding
* type that should be used for the message.
*/
public static int[] calculateLength(String messageBody, boolean use7bitOnly) {
return calculateLength((CharSequence)messageBody, use7bitOnly);
}
/*
* TODO(cleanup): It looks like there is now no useful reason why
* apps should generate pdus themselves using these routines,
* instead of handing the raw data to SMSDispatcher (and thereby
* have the phone process do the encoding). Moreover, CDMA now
* has shared state (in the form of the msgId system property)
* which can only be modified by the phone process, and hence
* makes the output of these routines incorrect. Since they now
* serve no purpose, they should probably just return null
* directly, and be deprecated. Going further in that direction,
* the above parsers of serialized pdu data should probably also
* be gotten rid of, hiding all but the necessarily visible
* structured data from client apps. A possible concern with
* doing this is that apps may be using these routines to generate
* pdus that are then sent elsewhere, some network server, for
* example, and that always returning null would thereby break
* otherwise useful apps.
*/
/**
* Get an SMS-SUBMIT PDU for a destination address and a message.
* This method will not attempt to use any GSM national language 7 bit encodings.
*
* @param scAddress Service Centre address. Null means use default.
* @return a <code>SubmitPdu</code> containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message, boolean statusReportRequested) {
SubmitPduBase spb;
if (useCdmaFormatForMoSms()) {
spb = com.android.internal.telephony.cdma.SmsMessage.getSubmitPdu(scAddress,
destinationAddress, message, statusReportRequested, null);
} else {
spb = com.android.internal.telephony.gsm.SmsMessage.getSubmitPdu(scAddress,
destinationAddress, message, statusReportRequested);
}
return new SubmitPdu(spb);
}
/**
* Get an SMS-SUBMIT PDU for a data message to a destination address & port.
* This method will not attempt to use any GSM national language 7 bit encodings.
*
* @param scAddress Service Centre address. null == use default
* @param destinationAddress the address of the destination for the message
* @param destinationPort the port to deliver the message to at the
* destination
* @param data the data for the message
* @return a <code>SubmitPdu</code> containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, short destinationPort, byte[] data,
boolean statusReportRequested) {
SubmitPduBase spb;
if (useCdmaFormatForMoSms()) {
spb = com.android.internal.telephony.cdma.SmsMessage.getSubmitPdu(scAddress,
destinationAddress, destinationPort, data, statusReportRequested);
} else {
spb = com.android.internal.telephony.gsm.SmsMessage.getSubmitPdu(scAddress,
destinationAddress, destinationPort, data, statusReportRequested);
}
return new SubmitPdu(spb);
}
/**
* Returns the address of the SMS service center that relayed this message
* or null if there is none.
*/
public String getServiceCenterAddress() {
return mWrappedSmsMessage.getServiceCenterAddress();
}
/**
* Returns the originating address (sender) of this SMS message in String
* form or null if unavailable
*/
public String getOriginatingAddress() {
return mWrappedSmsMessage.getOriginatingAddress();
}
/**
* Returns the originating address, or email from address if this message
* was from an email gateway. Returns null if originating address
* unavailable.
*/
public String getDisplayOriginatingAddress() {
return mWrappedSmsMessage.getDisplayOriginatingAddress();
}
/**
* Returns the message body as a String, if it exists and is text based.
* @return message body is there is one, otherwise null
*/
public String getMessageBody() {
return mWrappedSmsMessage.getMessageBody();
}
/**
* Returns the class of this message.
*/
public MessageClass getMessageClass() {
switch(mWrappedSmsMessage.getMessageClass()) {
case CLASS_0: return MessageClass.CLASS_0;
case CLASS_1: return MessageClass.CLASS_1;
case CLASS_2: return MessageClass.CLASS_2;
case CLASS_3: return MessageClass.CLASS_3;
default: return MessageClass.UNKNOWN;
}
}
/**
* Returns the message body, or email message body if this message was from
* an email gateway. Returns null if message body unavailable.
*/
public String getDisplayMessageBody() {
return mWrappedSmsMessage.getDisplayMessageBody();
}
/**
* Unofficial convention of a subject line enclosed in parens empty string
* if not present
*/
public String getPseudoSubject() {
return mWrappedSmsMessage.getPseudoSubject();
}
/**
* Returns the service centre timestamp in currentTimeMillis() format
*/
public long getTimestampMillis() {
return mWrappedSmsMessage.getTimestampMillis();
}
/**
* Returns true if message is an email.
*
* @return true if this message came through an email gateway and email
* sender / subject / parsed body are available
*/
public boolean isEmail() {
return mWrappedSmsMessage.isEmail();
}
/**
* @return if isEmail() is true, body of the email sent through the gateway.
* null otherwise
*/
public String getEmailBody() {
return mWrappedSmsMessage.getEmailBody();
}
/**
* @return if isEmail() is true, email from address of email sent through
* the gateway. null otherwise
*/
public String getEmailFrom() {
return mWrappedSmsMessage.getEmailFrom();
}
/**
* Get protocol identifier.
*/
public int getProtocolIdentifier() {
return mWrappedSmsMessage.getProtocolIdentifier();
}
/**
* See TS 23.040 9.2.3.9 returns true if this is a "replace short message"
* SMS
*/
public boolean isReplace() {
return mWrappedSmsMessage.isReplace();
}
/**
* Returns true for CPHS MWI toggle message.
*
* @return true if this is a CPHS MWI toggle message See CPHS 4.2 section
* B.4.2
*/
public boolean isCphsMwiMessage() {
return mWrappedSmsMessage.isCphsMwiMessage();
}
/**
* returns true if this message is a CPHS voicemail / message waiting
* indicator (MWI) clear message
*/
public boolean isMWIClearMessage() {
return mWrappedSmsMessage.isMWIClearMessage();
}
/**
* returns true if this message is a CPHS voicemail / message waiting
* indicator (MWI) set message
*/
public boolean isMWISetMessage() {
return mWrappedSmsMessage.isMWISetMessage();
}
/**
* returns true if this message is a "Message Waiting Indication Group:
* Discard Message" notification and should not be stored.
*/
public boolean isMwiDontStore() {
return mWrappedSmsMessage.isMwiDontStore();
}
/**
* returns the user data section minus the user data header if one was
* present.
*/
public byte[] getUserData() {
return mWrappedSmsMessage.getUserData();
}
/**
* Returns the raw PDU for the message.
*
* @return the raw PDU for the message.
*/
public byte[] getPdu() {
return mWrappedSmsMessage.getPdu();
}
/**
* Returns the status of the message on the SIM (read, unread, sent, unsent).
*
* @return the status of the message on the SIM. These are:
* SmsManager.STATUS_ON_SIM_FREE
* SmsManager.STATUS_ON_SIM_READ
* SmsManager.STATUS_ON_SIM_UNREAD
* SmsManager.STATUS_ON_SIM_SEND
* SmsManager.STATUS_ON_SIM_UNSENT
* @deprecated Use getStatusOnIcc instead.
*/
@Deprecated public int getStatusOnSim() {
return mWrappedSmsMessage.getStatusOnIcc();
}
/**
* Returns the status of the message on the ICC (read, unread, sent, unsent).
*
* @return the status of the message on the ICC. These are:
* SmsManager.STATUS_ON_ICC_FREE
* SmsManager.STATUS_ON_ICC_READ
* SmsManager.STATUS_ON_ICC_UNREAD
* SmsManager.STATUS_ON_ICC_SEND
* SmsManager.STATUS_ON_ICC_UNSENT
*/
public int getStatusOnIcc() {
return mWrappedSmsMessage.getStatusOnIcc();
}
/**
* Returns the record index of the message on the SIM (1-based index).
* @return the record index of the message on the SIM, or -1 if this
* SmsMessage was not created from a SIM SMS EF record.
* @deprecated Use getIndexOnIcc instead.
*/
@Deprecated public int getIndexOnSim() {
return mWrappedSmsMessage.getIndexOnIcc();
}
/**
* Returns the record index of the message on the ICC (1-based index).
* @return the record index of the message on the ICC, or -1 if this
* SmsMessage was not created from a ICC SMS EF record.
*/
public int getIndexOnIcc() {
return mWrappedSmsMessage.getIndexOnIcc();
}
/**
* GSM:
* For an SMS-STATUS-REPORT message, this returns the status field from
* the status report. This field indicates the status of a previously
* submitted SMS, if requested. See TS 23.040, 9.2.3.15 TP-Status for a
* description of values.
* CDMA:
* For not interfering with status codes from GSM, the value is
* shifted to the bits 31-16.
* The value is composed of an error class (bits 25-24) and a status code (bits 23-16).
* Possible codes are described in C.S0015-B, v2.0, 4.5.21.
*
* @return 0 indicates the previously sent message was received.
* See TS 23.040, 9.9.2.3.15 and C.S0015-B, v2.0, 4.5.21
* for a description of other possible values.
*/
public int getStatus() {
return mWrappedSmsMessage.getStatus();
}
/**
* Return true iff the message is a SMS-STATUS-REPORT message.
*/
public boolean isStatusReportMessage() {
return mWrappedSmsMessage.isStatusReportMessage();
}
/**
* Returns true iff the <code>TP-Reply-Path</code> bit is set in
* this message.
*/
public boolean isReplyPathPresent() {
return mWrappedSmsMessage.isReplyPathPresent();
}
/**
* Determines whether or not to use CDMA format for MO SMS.
* If SMS over IMS is supported, then format is based on IMS SMS format,
* otherwise format is based on current phone type.
*
* @return true if Cdma format should be used for MO SMS, false otherwise.
*/
private static boolean useCdmaFormatForMoSms() {
if (!SmsManager.getDefault().isImsSmsSupported()) {
// use Voice technology to determine SMS format.
return isCdmaVoice();
}
// IMS is registered with SMS support, check the SMS format supported
return (SmsConstants.FORMAT_3GPP2.equals(SmsManager.getDefault().getImsSmsFormat()));
}
/**
* Determines whether or not to current phone type is cdma.
*
* @return true if current phone type is cdma, false otherwise.
*/
private static boolean isCdmaVoice() {
int activePhone = TelephonyManager.getDefault().getCurrentPhoneType();
return (PHONE_TYPE_CDMA == activePhone);
}
/**
* Decide if the carrier supports long SMS.
* {@hide}
*/
public static boolean hasEmsSupport() {
if (!isNoEmsSupportConfigListExisted()) {
return true;
}
String simOperator;
String gid;
final long identity = Binder.clearCallingIdentity();
try {
simOperator = TelephonyManager.getDefault().getSimOperatorNumeric();
gid = TelephonyManager.getDefault().getGroupIdLevel1();
} finally {
Binder.restoreCallingIdentity(identity);
}
for (NoEmsSupportConfig currentConfig : mNoEmsSupportConfigList) {
if (simOperator.startsWith(currentConfig.mOperatorNumber) &&
(TextUtils.isEmpty(currentConfig.mGid1) ||
(!TextUtils.isEmpty(currentConfig.mGid1)
&& currentConfig.mGid1.equalsIgnoreCase(gid)))) {
return false;
}
}
return true;
}
/**
* Check where to add " x/y" in each SMS segment, begin or end.
* {@hide}
*/
public static boolean shouldAppendPageNumberAsPrefix() {
if (!isNoEmsSupportConfigListExisted()) {
return false;
}
String simOperator;
String gid;
final long identity = Binder.clearCallingIdentity();
try {
simOperator = TelephonyManager.getDefault().getSimOperatorNumeric();
gid = TelephonyManager.getDefault().getGroupIdLevel1();
} finally {
Binder.restoreCallingIdentity(identity);
}
for (NoEmsSupportConfig currentConfig : mNoEmsSupportConfigList) {
if (simOperator.startsWith(currentConfig.mOperatorNumber) &&
(TextUtils.isEmpty(currentConfig.mGid1) ||
(!TextUtils.isEmpty(currentConfig.mGid1)
&& currentConfig.mGid1.equalsIgnoreCase(gid)))) {
return currentConfig.mIsPrefix;
}
}
return false;
}
private static class NoEmsSupportConfig {
String mOperatorNumber;
String mGid1;
boolean mIsPrefix;
public NoEmsSupportConfig(String[] config) {
mOperatorNumber = config[0];
mIsPrefix = "prefix".equals(config[1]);
mGid1 = config.length > 2 ? config[2] : null;
}
@Override
public String toString() {
return "NoEmsSupportConfig { mOperatorNumber = " + mOperatorNumber
+ ", mIsPrefix = " + mIsPrefix + ", mGid1 = " + mGid1 + " }";
}
}
private static NoEmsSupportConfig[] mNoEmsSupportConfigList = null;
private static boolean mIsNoEmsSupportConfigListLoaded = false;
private static boolean isNoEmsSupportConfigListExisted() {
if (!mIsNoEmsSupportConfigListLoaded) {
Resources r = Resources.getSystem();
if (r != null) {
String[] listArray = r.getStringArray(
com.android.internal.R.array.no_ems_support_sim_operators);
if ((listArray != null) && (listArray.length > 0)) {
mNoEmsSupportConfigList = new NoEmsSupportConfig[listArray.length];
for (int i=0; i<listArray.length; i++) {
mNoEmsSupportConfigList[i] = new NoEmsSupportConfig(listArray[i].split(";"));
}
}
mIsNoEmsSupportConfigListLoaded = true;
}
}
if (mNoEmsSupportConfigList != null && mNoEmsSupportConfigList.length != 0) {
return true;
}
return false;
}
}
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