1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.telephony; 18 19 import android.os.Binder; 20 import android.os.Parcel; 21 import android.content.res.Resources; 22 import android.text.TextUtils; 23 24 import com.android.internal.telephony.GsmAlphabet; 25 import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails; 26 import com.android.internal.telephony.SmsConstants; 27 import com.android.internal.telephony.SmsMessageBase; 28 import com.android.internal.telephony.SmsMessageBase.SubmitPduBase; 29 import com.android.internal.telephony.Sms7BitEncodingTranslator; 30 31 import java.lang.Math; 32 import java.util.ArrayList; 33 import java.util.Arrays; 34 35 import static android.telephony.TelephonyManager.PHONE_TYPE_CDMA; 36 37 38 /** 39 * A Short Message Service message. 40 * @see android.provider.Telephony.Sms.Intents#getMessagesFromIntent 41 */ 42 public class SmsMessage { 43 private static final String LOG_TAG = "SmsMessage"; 44 45 /** 46 * SMS Class enumeration. 47 * See TS 23.038. 48 * 49 */ 50 public enum MessageClass{ 51 UNKNOWN, CLASS_0, CLASS_1, CLASS_2, CLASS_3; 52 } 53 54 /** User data text encoding code unit size */ 55 public static final int ENCODING_UNKNOWN = 0; 56 public static final int ENCODING_7BIT = 1; 57 public static final int ENCODING_8BIT = 2; 58 public static final int ENCODING_16BIT = 3; 59 /** 60 * @hide This value is not defined in global standard. Only in Korea, this is used. 61 */ 62 public static final int ENCODING_KSC5601 = 4; 63 64 /** The maximum number of payload bytes per message */ 65 public static final int MAX_USER_DATA_BYTES = 140; 66 67 /** 68 * The maximum number of payload bytes per message if a user data header 69 * is present. This assumes the header only contains the 70 * CONCATENATED_8_BIT_REFERENCE element. 71 */ 72 public static final int MAX_USER_DATA_BYTES_WITH_HEADER = 134; 73 74 /** The maximum number of payload septets per message */ 75 public static final int MAX_USER_DATA_SEPTETS = 160; 76 77 /** 78 * The maximum number of payload septets per message if a user data header 79 * is present. This assumes the header only contains the 80 * CONCATENATED_8_BIT_REFERENCE element. 81 */ 82 public static final int MAX_USER_DATA_SEPTETS_WITH_HEADER = 153; 83 84 /** 85 * Indicates a 3GPP format SMS message. 86 * @hide pending API council approval 87 */ 88 public static final String FORMAT_3GPP = "3gpp"; 89 90 /** 91 * Indicates a 3GPP2 format SMS message. 92 * @hide pending API council approval 93 */ 94 public static final String FORMAT_3GPP2 = "3gpp2"; 95 96 /** Contains actual SmsMessage. Only public for debugging and for framework layer. 97 * 98 * @hide 99 */ 100 public SmsMessageBase mWrappedSmsMessage; 101 102 /** Indicates the subId 103 * 104 * @hide 105 */ 106 private int mSubId = 0; 107 108 /** set Subscription information 109 * 110 * @hide 111 */ setSubId(int subId)112 public void setSubId(int subId) { 113 mSubId = subId; 114 } 115 116 /** get Subscription information 117 * 118 * @hide 119 */ getSubId()120 public int getSubId() { 121 return mSubId; 122 } 123 124 public static class SubmitPdu { 125 126 public byte[] encodedScAddress; // Null if not applicable. 127 public byte[] encodedMessage; 128 129 @Override toString()130 public String toString() { 131 return "SubmitPdu: encodedScAddress = " 132 + Arrays.toString(encodedScAddress) 133 + ", encodedMessage = " 134 + Arrays.toString(encodedMessage); 135 } 136 137 /** 138 * @hide 139 */ SubmitPdu(SubmitPduBase spb)140 protected SubmitPdu(SubmitPduBase spb) { 141 this.encodedMessage = spb.encodedMessage; 142 this.encodedScAddress = spb.encodedScAddress; 143 } 144 145 } 146 SmsMessage(SmsMessageBase smb)147 private SmsMessage(SmsMessageBase smb) { 148 mWrappedSmsMessage = smb; 149 } 150 151 /** 152 * Create an SmsMessage from a raw PDU. Guess format based on Voice 153 * technology first, if it fails use other format. 154 * All applications which handle 155 * incoming SMS messages by processing the {@code SMS_RECEIVED_ACTION} broadcast 156 * intent <b>must</b> now pass the new {@code format} String extra from the intent 157 * into the new method {@code createFromPdu(byte[], String)} which takes an 158 * extra format parameter. This is required in order to correctly decode the PDU on 159 * devices that require support for both 3GPP and 3GPP2 formats at the same time, 160 * such as dual-mode GSM/CDMA and CDMA/LTE phones. 161 * @deprecated Use {@link #createFromPdu(byte[], String)} instead. 162 */ 163 @Deprecated createFromPdu(byte[] pdu)164 public static SmsMessage createFromPdu(byte[] pdu) { 165 SmsMessage message = null; 166 167 // cdma(3gpp2) vs gsm(3gpp) format info was not given, 168 // guess from active voice phone type 169 int activePhone = TelephonyManager.getDefault().getCurrentPhoneType(); 170 String format = (PHONE_TYPE_CDMA == activePhone) ? 171 SmsConstants.FORMAT_3GPP2 : SmsConstants.FORMAT_3GPP; 172 message = createFromPdu(pdu, format); 173 174 if (null == message || null == message.mWrappedSmsMessage) { 175 // decoding pdu failed based on activePhone type, must be other format 176 format = (PHONE_TYPE_CDMA == activePhone) ? 177 SmsConstants.FORMAT_3GPP : SmsConstants.FORMAT_3GPP2; 178 message = createFromPdu(pdu, format); 179 } 180 return message; 181 } 182 183 /** 184 * Create an SmsMessage from a raw PDU with the specified message format. The 185 * message format is passed in the 186 * {@link android.provider.Telephony.Sms.Intents#SMS_RECEIVED_ACTION} as the {@code format} 187 * String extra, and will be either "3gpp" for GSM/UMTS/LTE messages in 3GPP format 188 * or "3gpp2" for CDMA/LTE messages in 3GPP2 format. 189 * 190 * @param pdu the message PDU from the 191 * {@link android.provider.Telephony.Sms.Intents#SMS_RECEIVED_ACTION} intent 192 * @param format the format extra from the 193 * {@link android.provider.Telephony.Sms.Intents#SMS_RECEIVED_ACTION} intent 194 */ createFromPdu(byte[] pdu, String format)195 public static SmsMessage createFromPdu(byte[] pdu, String format) { 196 SmsMessageBase wrappedMessage; 197 198 if (SmsConstants.FORMAT_3GPP2.equals(format)) { 199 wrappedMessage = com.android.internal.telephony.cdma.SmsMessage.createFromPdu(pdu); 200 } else if (SmsConstants.FORMAT_3GPP.equals(format)) { 201 wrappedMessage = com.android.internal.telephony.gsm.SmsMessage.createFromPdu(pdu); 202 } else { 203 Rlog.e(LOG_TAG, "createFromPdu(): unsupported message format " + format); 204 return null; 205 } 206 207 if (wrappedMessage != null) { 208 return new SmsMessage(wrappedMessage); 209 } else { 210 Rlog.e(LOG_TAG, "createFromPdu(): wrappedMessage is null"); 211 return null; 212 } 213 } 214 215 /** 216 * TS 27.005 3.4.1 lines[0] and lines[1] are the two lines read from the 217 * +CMT unsolicited response (PDU mode, of course) 218 * +CMT: [<alpha>],<length><CR><LF><pdu> 219 * 220 * Only public for debugging and for RIL 221 * 222 * {@hide} 223 */ newFromCMT(String[] lines)224 public static SmsMessage newFromCMT(String[] lines) { 225 // received SMS in 3GPP format 226 SmsMessageBase wrappedMessage = 227 com.android.internal.telephony.gsm.SmsMessage.newFromCMT(lines); 228 229 if (wrappedMessage != null) { 230 return new SmsMessage(wrappedMessage); 231 } else { 232 Rlog.e(LOG_TAG, "newFromCMT(): wrappedMessage is null"); 233 return null; 234 } 235 } 236 237 /** @hide */ newFromParcel(Parcel p)238 public static SmsMessage newFromParcel(Parcel p) { 239 // received SMS in 3GPP2 format 240 SmsMessageBase wrappedMessage = 241 com.android.internal.telephony.cdma.SmsMessage.newFromParcel(p); 242 243 return new SmsMessage(wrappedMessage); 244 } 245 246 /** 247 * Create an SmsMessage from an SMS EF record. 248 * 249 * @param index Index of SMS record. This should be index in ArrayList 250 * returned by SmsManager.getAllMessagesFromSim + 1. 251 * @param data Record data. 252 * @return An SmsMessage representing the record. 253 * 254 * @hide 255 */ createFromEfRecord(int index, byte[] data)256 public static SmsMessage createFromEfRecord(int index, byte[] data) { 257 SmsMessageBase wrappedMessage; 258 259 if (isCdmaVoice()) { 260 wrappedMessage = com.android.internal.telephony.cdma.SmsMessage.createFromEfRecord( 261 index, data); 262 } else { 263 wrappedMessage = com.android.internal.telephony.gsm.SmsMessage.createFromEfRecord( 264 index, data); 265 } 266 267 if (wrappedMessage != null) { 268 return new SmsMessage(wrappedMessage); 269 } else { 270 Rlog.e(LOG_TAG, "createFromEfRecord(): wrappedMessage is null"); 271 return null; 272 } 273 } 274 275 /** 276 * Get the TP-Layer-Length for the given SMS-SUBMIT PDU Basically, the 277 * length in bytes (not hex chars) less the SMSC header 278 * 279 * FIXME: This method is only used by a CTS test case that isn't run on CDMA devices. 280 * We should probably deprecate it and remove the obsolete test case. 281 */ getTPLayerLengthForPDU(String pdu)282 public static int getTPLayerLengthForPDU(String pdu) { 283 if (isCdmaVoice()) { 284 return com.android.internal.telephony.cdma.SmsMessage.getTPLayerLengthForPDU(pdu); 285 } else { 286 return com.android.internal.telephony.gsm.SmsMessage.getTPLayerLengthForPDU(pdu); 287 } 288 } 289 290 /* 291 * TODO(cleanup): It would make some sense if the result of 292 * preprocessing a message to determine the proper encoding (i.e. 293 * the resulting data structure from calculateLength) could be 294 * passed as an argument to the actual final encoding function. 295 * This would better ensure that the logic behind size calculation 296 * actually matched the encoding. 297 */ 298 299 /** 300 * Calculates the number of SMS's required to encode the message body and 301 * the number of characters remaining until the next message. 302 * 303 * @param msgBody the message to encode 304 * @param use7bitOnly if true, characters that are not part of the 305 * radio-specific 7-bit encoding are counted as single 306 * space chars. If false, and if the messageBody contains 307 * non-7-bit encodable characters, length is calculated 308 * using a 16-bit encoding. 309 * @return an int[4] with int[0] being the number of SMS's 310 * required, int[1] the number of code units used, and 311 * int[2] is the number of code units remaining until the 312 * next message. int[3] is an indicator of the encoding 313 * code unit size (see the ENCODING_* definitions in SmsConstants) 314 */ calculateLength(CharSequence msgBody, boolean use7bitOnly)315 public static int[] calculateLength(CharSequence msgBody, boolean use7bitOnly) { 316 // this function is for MO SMS 317 TextEncodingDetails ted = (useCdmaFormatForMoSms()) ? 318 com.android.internal.telephony.cdma.SmsMessage.calculateLength(msgBody, use7bitOnly, 319 true) : 320 com.android.internal.telephony.gsm.SmsMessage.calculateLength(msgBody, use7bitOnly); 321 int ret[] = new int[4]; 322 ret[0] = ted.msgCount; 323 ret[1] = ted.codeUnitCount; 324 ret[2] = ted.codeUnitsRemaining; 325 ret[3] = ted.codeUnitSize; 326 return ret; 327 } 328 329 /** 330 * Divide a message text into several fragments, none bigger than 331 * the maximum SMS message text size. 332 * 333 * @param text text, must not be null. 334 * @return an <code>ArrayList</code> of strings that, in order, 335 * comprise the original msg text 336 * 337 * @hide 338 */ fragmentText(String text)339 public static ArrayList<String> fragmentText(String text) { 340 // This function is for MO SMS 341 TextEncodingDetails ted = (useCdmaFormatForMoSms()) ? 342 com.android.internal.telephony.cdma.SmsMessage.calculateLength(text, false, true) : 343 com.android.internal.telephony.gsm.SmsMessage.calculateLength(text, false); 344 345 // TODO(cleanup): The code here could be rolled into the logic 346 // below cleanly if these MAX_* constants were defined more 347 // flexibly... 348 349 int limit; 350 if (ted.codeUnitSize == SmsConstants.ENCODING_7BIT) { 351 int udhLength; 352 if (ted.languageTable != 0 && ted.languageShiftTable != 0) { 353 udhLength = GsmAlphabet.UDH_SEPTET_COST_TWO_SHIFT_TABLES; 354 } else if (ted.languageTable != 0 || ted.languageShiftTable != 0) { 355 udhLength = GsmAlphabet.UDH_SEPTET_COST_ONE_SHIFT_TABLE; 356 } else { 357 udhLength = 0; 358 } 359 360 if (ted.msgCount > 1) { 361 udhLength += GsmAlphabet.UDH_SEPTET_COST_CONCATENATED_MESSAGE; 362 } 363 364 if (udhLength != 0) { 365 udhLength += GsmAlphabet.UDH_SEPTET_COST_LENGTH; 366 } 367 368 limit = SmsConstants.MAX_USER_DATA_SEPTETS - udhLength; 369 } else { 370 if (ted.msgCount > 1) { 371 limit = SmsConstants.MAX_USER_DATA_BYTES_WITH_HEADER; 372 // If EMS is not supported, break down EMS into single segment SMS 373 // and add page info " x/y". 374 // In the case of UCS2 encoding, we need 8 bytes for this, 375 // but we only have 6 bytes from UDH, so truncate the limit for 376 // each segment by 2 bytes (1 char). 377 // Make sure total number of segments is less than 10. 378 if (!hasEmsSupport() && ted.msgCount < 10) { 379 limit -= 2; 380 } 381 } else { 382 limit = SmsConstants.MAX_USER_DATA_BYTES; 383 } 384 } 385 386 String newMsgBody = null; 387 Resources r = Resources.getSystem(); 388 if (r.getBoolean(com.android.internal.R.bool.config_sms_force_7bit_encoding)) { 389 newMsgBody = Sms7BitEncodingTranslator.translate(text); 390 } 391 if (TextUtils.isEmpty(newMsgBody)) { 392 newMsgBody = text; 393 } 394 int pos = 0; // Index in code units. 395 int textLen = newMsgBody.length(); 396 ArrayList<String> result = new ArrayList<String>(ted.msgCount); 397 while (pos < textLen) { 398 int nextPos = 0; // Counts code units. 399 if (ted.codeUnitSize == SmsConstants.ENCODING_7BIT) { 400 if (useCdmaFormatForMoSms() && ted.msgCount == 1) { 401 // For a singleton CDMA message, the encoding must be ASCII... 402 nextPos = pos + Math.min(limit, textLen - pos); 403 } else { 404 // For multi-segment messages, CDMA 7bit equals GSM 7bit encoding (EMS mode). 405 nextPos = GsmAlphabet.findGsmSeptetLimitIndex(newMsgBody, pos, limit, 406 ted.languageTable, ted.languageShiftTable); 407 } 408 } else { // Assume unicode. 409 nextPos = SmsMessageBase.findNextUnicodePosition(pos, limit, newMsgBody); 410 } 411 if ((nextPos <= pos) || (nextPos > textLen)) { 412 Rlog.e(LOG_TAG, "fragmentText failed (" + pos + " >= " + nextPos + " or " + 413 nextPos + " >= " + textLen + ")"); 414 break; 415 } 416 result.add(newMsgBody.substring(pos, nextPos)); 417 pos = nextPos; 418 } 419 return result; 420 } 421 422 /** 423 * Calculates the number of SMS's required to encode the message body and 424 * the number of characters remaining until the next message, given the 425 * current encoding. 426 * 427 * @param messageBody the message to encode 428 * @param use7bitOnly if true, characters that are not part of the radio 429 * specific (GSM / CDMA) alphabet encoding are converted to as a 430 * single space characters. If false, a messageBody containing 431 * non-GSM or non-CDMA alphabet characters are encoded using 432 * 16-bit encoding. 433 * @return an int[4] with int[0] being the number of SMS's required, int[1] 434 * the number of code units used, and int[2] is the number of code 435 * units remaining until the next message. int[3] is the encoding 436 * type that should be used for the message. 437 */ calculateLength(String messageBody, boolean use7bitOnly)438 public static int[] calculateLength(String messageBody, boolean use7bitOnly) { 439 return calculateLength((CharSequence)messageBody, use7bitOnly); 440 } 441 442 /* 443 * TODO(cleanup): It looks like there is now no useful reason why 444 * apps should generate pdus themselves using these routines, 445 * instead of handing the raw data to SMSDispatcher (and thereby 446 * have the phone process do the encoding). Moreover, CDMA now 447 * has shared state (in the form of the msgId system property) 448 * which can only be modified by the phone process, and hence 449 * makes the output of these routines incorrect. Since they now 450 * serve no purpose, they should probably just return null 451 * directly, and be deprecated. Going further in that direction, 452 * the above parsers of serialized pdu data should probably also 453 * be gotten rid of, hiding all but the necessarily visible 454 * structured data from client apps. A possible concern with 455 * doing this is that apps may be using these routines to generate 456 * pdus that are then sent elsewhere, some network server, for 457 * example, and that always returning null would thereby break 458 * otherwise useful apps. 459 */ 460 461 /** 462 * Get an SMS-SUBMIT PDU for a destination address and a message. 463 * This method will not attempt to use any GSM national language 7 bit encodings. 464 * 465 * @param scAddress Service Centre address. Null means use default. 466 * @return a <code>SubmitPdu</code> containing the encoded SC 467 * address, if applicable, and the encoded message. 468 * Returns null on encode error. 469 */ getSubmitPdu(String scAddress, String destinationAddress, String message, boolean statusReportRequested)470 public static SubmitPdu getSubmitPdu(String scAddress, 471 String destinationAddress, String message, boolean statusReportRequested) { 472 SubmitPduBase spb; 473 474 if (useCdmaFormatForMoSms()) { 475 spb = com.android.internal.telephony.cdma.SmsMessage.getSubmitPdu(scAddress, 476 destinationAddress, message, statusReportRequested, null); 477 } else { 478 spb = com.android.internal.telephony.gsm.SmsMessage.getSubmitPdu(scAddress, 479 destinationAddress, message, statusReportRequested); 480 } 481 482 return new SubmitPdu(spb); 483 } 484 485 /** 486 * Get an SMS-SUBMIT PDU for a data message to a destination address & port. 487 * This method will not attempt to use any GSM national language 7 bit encodings. 488 * 489 * @param scAddress Service Centre address. null == use default 490 * @param destinationAddress the address of the destination for the message 491 * @param destinationPort the port to deliver the message to at the 492 * destination 493 * @param data the data for the message 494 * @return a <code>SubmitPdu</code> containing the encoded SC 495 * address, if applicable, and the encoded message. 496 * Returns null on encode error. 497 */ getSubmitPdu(String scAddress, String destinationAddress, short destinationPort, byte[] data, boolean statusReportRequested)498 public static SubmitPdu getSubmitPdu(String scAddress, 499 String destinationAddress, short destinationPort, byte[] data, 500 boolean statusReportRequested) { 501 SubmitPduBase spb; 502 503 if (useCdmaFormatForMoSms()) { 504 spb = com.android.internal.telephony.cdma.SmsMessage.getSubmitPdu(scAddress, 505 destinationAddress, destinationPort, data, statusReportRequested); 506 } else { 507 spb = com.android.internal.telephony.gsm.SmsMessage.getSubmitPdu(scAddress, 508 destinationAddress, destinationPort, data, statusReportRequested); 509 } 510 511 return new SubmitPdu(spb); 512 } 513 514 /** 515 * Returns the address of the SMS service center that relayed this message 516 * or null if there is none. 517 */ getServiceCenterAddress()518 public String getServiceCenterAddress() { 519 return mWrappedSmsMessage.getServiceCenterAddress(); 520 } 521 522 /** 523 * Returns the originating address (sender) of this SMS message in String 524 * form or null if unavailable 525 */ getOriginatingAddress()526 public String getOriginatingAddress() { 527 return mWrappedSmsMessage.getOriginatingAddress(); 528 } 529 530 /** 531 * Returns the originating address, or email from address if this message 532 * was from an email gateway. Returns null if originating address 533 * unavailable. 534 */ getDisplayOriginatingAddress()535 public String getDisplayOriginatingAddress() { 536 return mWrappedSmsMessage.getDisplayOriginatingAddress(); 537 } 538 539 /** 540 * Returns the message body as a String, if it exists and is text based. 541 * @return message body is there is one, otherwise null 542 */ getMessageBody()543 public String getMessageBody() { 544 return mWrappedSmsMessage.getMessageBody(); 545 } 546 547 /** 548 * Returns the class of this message. 549 */ getMessageClass()550 public MessageClass getMessageClass() { 551 switch(mWrappedSmsMessage.getMessageClass()) { 552 case CLASS_0: return MessageClass.CLASS_0; 553 case CLASS_1: return MessageClass.CLASS_1; 554 case CLASS_2: return MessageClass.CLASS_2; 555 case CLASS_3: return MessageClass.CLASS_3; 556 default: return MessageClass.UNKNOWN; 557 558 } 559 } 560 561 /** 562 * Returns the message body, or email message body if this message was from 563 * an email gateway. Returns null if message body unavailable. 564 */ getDisplayMessageBody()565 public String getDisplayMessageBody() { 566 return mWrappedSmsMessage.getDisplayMessageBody(); 567 } 568 569 /** 570 * Unofficial convention of a subject line enclosed in parens empty string 571 * if not present 572 */ getPseudoSubject()573 public String getPseudoSubject() { 574 return mWrappedSmsMessage.getPseudoSubject(); 575 } 576 577 /** 578 * Returns the service centre timestamp in currentTimeMillis() format 579 */ getTimestampMillis()580 public long getTimestampMillis() { 581 return mWrappedSmsMessage.getTimestampMillis(); 582 } 583 584 /** 585 * Returns true if message is an email. 586 * 587 * @return true if this message came through an email gateway and email 588 * sender / subject / parsed body are available 589 */ isEmail()590 public boolean isEmail() { 591 return mWrappedSmsMessage.isEmail(); 592 } 593 594 /** 595 * @return if isEmail() is true, body of the email sent through the gateway. 596 * null otherwise 597 */ getEmailBody()598 public String getEmailBody() { 599 return mWrappedSmsMessage.getEmailBody(); 600 } 601 602 /** 603 * @return if isEmail() is true, email from address of email sent through 604 * the gateway. null otherwise 605 */ getEmailFrom()606 public String getEmailFrom() { 607 return mWrappedSmsMessage.getEmailFrom(); 608 } 609 610 /** 611 * Get protocol identifier. 612 */ getProtocolIdentifier()613 public int getProtocolIdentifier() { 614 return mWrappedSmsMessage.getProtocolIdentifier(); 615 } 616 617 /** 618 * See TS 23.040 9.2.3.9 returns true if this is a "replace short message" 619 * SMS 620 */ isReplace()621 public boolean isReplace() { 622 return mWrappedSmsMessage.isReplace(); 623 } 624 625 /** 626 * Returns true for CPHS MWI toggle message. 627 * 628 * @return true if this is a CPHS MWI toggle message See CPHS 4.2 section 629 * B.4.2 630 */ isCphsMwiMessage()631 public boolean isCphsMwiMessage() { 632 return mWrappedSmsMessage.isCphsMwiMessage(); 633 } 634 635 /** 636 * returns true if this message is a CPHS voicemail / message waiting 637 * indicator (MWI) clear message 638 */ isMWIClearMessage()639 public boolean isMWIClearMessage() { 640 return mWrappedSmsMessage.isMWIClearMessage(); 641 } 642 643 /** 644 * returns true if this message is a CPHS voicemail / message waiting 645 * indicator (MWI) set message 646 */ isMWISetMessage()647 public boolean isMWISetMessage() { 648 return mWrappedSmsMessage.isMWISetMessage(); 649 } 650 651 /** 652 * returns true if this message is a "Message Waiting Indication Group: 653 * Discard Message" notification and should not be stored. 654 */ isMwiDontStore()655 public boolean isMwiDontStore() { 656 return mWrappedSmsMessage.isMwiDontStore(); 657 } 658 659 /** 660 * returns the user data section minus the user data header if one was 661 * present. 662 */ getUserData()663 public byte[] getUserData() { 664 return mWrappedSmsMessage.getUserData(); 665 } 666 667 /** 668 * Returns the raw PDU for the message. 669 * 670 * @return the raw PDU for the message. 671 */ getPdu()672 public byte[] getPdu() { 673 return mWrappedSmsMessage.getPdu(); 674 } 675 676 /** 677 * Returns the status of the message on the SIM (read, unread, sent, unsent). 678 * 679 * @return the status of the message on the SIM. These are: 680 * SmsManager.STATUS_ON_SIM_FREE 681 * SmsManager.STATUS_ON_SIM_READ 682 * SmsManager.STATUS_ON_SIM_UNREAD 683 * SmsManager.STATUS_ON_SIM_SEND 684 * SmsManager.STATUS_ON_SIM_UNSENT 685 * @deprecated Use getStatusOnIcc instead. 686 */ getStatusOnSim()687 @Deprecated public int getStatusOnSim() { 688 return mWrappedSmsMessage.getStatusOnIcc(); 689 } 690 691 /** 692 * Returns the status of the message on the ICC (read, unread, sent, unsent). 693 * 694 * @return the status of the message on the ICC. These are: 695 * SmsManager.STATUS_ON_ICC_FREE 696 * SmsManager.STATUS_ON_ICC_READ 697 * SmsManager.STATUS_ON_ICC_UNREAD 698 * SmsManager.STATUS_ON_ICC_SEND 699 * SmsManager.STATUS_ON_ICC_UNSENT 700 */ getStatusOnIcc()701 public int getStatusOnIcc() { 702 return mWrappedSmsMessage.getStatusOnIcc(); 703 } 704 705 /** 706 * Returns the record index of the message on the SIM (1-based index). 707 * @return the record index of the message on the SIM, or -1 if this 708 * SmsMessage was not created from a SIM SMS EF record. 709 * @deprecated Use getIndexOnIcc instead. 710 */ getIndexOnSim()711 @Deprecated public int getIndexOnSim() { 712 return mWrappedSmsMessage.getIndexOnIcc(); 713 } 714 715 /** 716 * Returns the record index of the message on the ICC (1-based index). 717 * @return the record index of the message on the ICC, or -1 if this 718 * SmsMessage was not created from a ICC SMS EF record. 719 */ getIndexOnIcc()720 public int getIndexOnIcc() { 721 return mWrappedSmsMessage.getIndexOnIcc(); 722 } 723 724 /** 725 * GSM: 726 * For an SMS-STATUS-REPORT message, this returns the status field from 727 * the status report. This field indicates the status of a previously 728 * submitted SMS, if requested. See TS 23.040, 9.2.3.15 TP-Status for a 729 * description of values. 730 * CDMA: 731 * For not interfering with status codes from GSM, the value is 732 * shifted to the bits 31-16. 733 * The value is composed of an error class (bits 25-24) and a status code (bits 23-16). 734 * Possible codes are described in C.S0015-B, v2.0, 4.5.21. 735 * 736 * @return 0 indicates the previously sent message was received. 737 * See TS 23.040, 9.9.2.3.15 and C.S0015-B, v2.0, 4.5.21 738 * for a description of other possible values. 739 */ getStatus()740 public int getStatus() { 741 return mWrappedSmsMessage.getStatus(); 742 } 743 744 /** 745 * Return true iff the message is a SMS-STATUS-REPORT message. 746 */ isStatusReportMessage()747 public boolean isStatusReportMessage() { 748 return mWrappedSmsMessage.isStatusReportMessage(); 749 } 750 751 /** 752 * Returns true iff the <code>TP-Reply-Path</code> bit is set in 753 * this message. 754 */ isReplyPathPresent()755 public boolean isReplyPathPresent() { 756 return mWrappedSmsMessage.isReplyPathPresent(); 757 } 758 759 /** 760 * Determines whether or not to use CDMA format for MO SMS. 761 * If SMS over IMS is supported, then format is based on IMS SMS format, 762 * otherwise format is based on current phone type. 763 * 764 * @return true if Cdma format should be used for MO SMS, false otherwise. 765 */ useCdmaFormatForMoSms()766 private static boolean useCdmaFormatForMoSms() { 767 if (!SmsManager.getDefault().isImsSmsSupported()) { 768 // use Voice technology to determine SMS format. 769 return isCdmaVoice(); 770 } 771 // IMS is registered with SMS support, check the SMS format supported 772 return (SmsConstants.FORMAT_3GPP2.equals(SmsManager.getDefault().getImsSmsFormat())); 773 } 774 775 /** 776 * Determines whether or not to current phone type is cdma. 777 * 778 * @return true if current phone type is cdma, false otherwise. 779 */ isCdmaVoice()780 private static boolean isCdmaVoice() { 781 int activePhone = TelephonyManager.getDefault().getCurrentPhoneType(); 782 return (PHONE_TYPE_CDMA == activePhone); 783 } 784 785 /** 786 * Decide if the carrier supports long SMS. 787 * {@hide} 788 */ hasEmsSupport()789 public static boolean hasEmsSupport() { 790 if (!isNoEmsSupportConfigListExisted()) { 791 return true; 792 } 793 794 String simOperator; 795 String gid; 796 final long identity = Binder.clearCallingIdentity(); 797 try { 798 simOperator = TelephonyManager.getDefault().getSimOperatorNumeric(); 799 gid = TelephonyManager.getDefault().getGroupIdLevel1(); 800 } finally { 801 Binder.restoreCallingIdentity(identity); 802 } 803 804 if (!TextUtils.isEmpty(simOperator)) { 805 for (NoEmsSupportConfig currentConfig : mNoEmsSupportConfigList) { 806 if (simOperator.startsWith(currentConfig.mOperatorNumber) && 807 (TextUtils.isEmpty(currentConfig.mGid1) || 808 (!TextUtils.isEmpty(currentConfig.mGid1) && 809 currentConfig.mGid1.equalsIgnoreCase(gid)))) { 810 return false; 811 } 812 } 813 } 814 return true; 815 } 816 817 /** 818 * Check where to add " x/y" in each SMS segment, begin or end. 819 * {@hide} 820 */ shouldAppendPageNumberAsPrefix()821 public static boolean shouldAppendPageNumberAsPrefix() { 822 if (!isNoEmsSupportConfigListExisted()) { 823 return false; 824 } 825 826 String simOperator; 827 String gid; 828 final long identity = Binder.clearCallingIdentity(); 829 try { 830 simOperator = TelephonyManager.getDefault().getSimOperatorNumeric(); 831 gid = TelephonyManager.getDefault().getGroupIdLevel1(); 832 } finally { 833 Binder.restoreCallingIdentity(identity); 834 } 835 836 for (NoEmsSupportConfig currentConfig : mNoEmsSupportConfigList) { 837 if (simOperator.startsWith(currentConfig.mOperatorNumber) && 838 (TextUtils.isEmpty(currentConfig.mGid1) || 839 (!TextUtils.isEmpty(currentConfig.mGid1) 840 && currentConfig.mGid1.equalsIgnoreCase(gid)))) { 841 return currentConfig.mIsPrefix; 842 } 843 } 844 return false; 845 } 846 847 private static class NoEmsSupportConfig { 848 String mOperatorNumber; 849 String mGid1; 850 boolean mIsPrefix; 851 NoEmsSupportConfig(String[] config)852 public NoEmsSupportConfig(String[] config) { 853 mOperatorNumber = config[0]; 854 mIsPrefix = "prefix".equals(config[1]); 855 mGid1 = config.length > 2 ? config[2] : null; 856 } 857 858 @Override toString()859 public String toString() { 860 return "NoEmsSupportConfig { mOperatorNumber = " + mOperatorNumber 861 + ", mIsPrefix = " + mIsPrefix + ", mGid1 = " + mGid1 + " }"; 862 } 863 } 864 865 private static NoEmsSupportConfig[] mNoEmsSupportConfigList = null; 866 private static boolean mIsNoEmsSupportConfigListLoaded = false; 867 isNoEmsSupportConfigListExisted()868 private static boolean isNoEmsSupportConfigListExisted() { 869 if (!mIsNoEmsSupportConfigListLoaded) { 870 Resources r = Resources.getSystem(); 871 if (r != null) { 872 String[] listArray = r.getStringArray( 873 com.android.internal.R.array.no_ems_support_sim_operators); 874 if ((listArray != null) && (listArray.length > 0)) { 875 mNoEmsSupportConfigList = new NoEmsSupportConfig[listArray.length]; 876 for (int i=0; i<listArray.length; i++) { 877 mNoEmsSupportConfigList[i] = new NoEmsSupportConfig(listArray[i].split(";")); 878 } 879 } 880 mIsNoEmsSupportConfigListLoaded = true; 881 } 882 } 883 884 if (mNoEmsSupportConfigList != null && mNoEmsSupportConfigList.length != 0) { 885 return true; 886 } 887 888 return false; 889 } 890 } 891