TelephonyManager.java revision 97ab2d4f86ee9c2b661a00688e934fc7030df22e
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 17package android.telephony; 18 19import android.annotation.SdkConstant; 20import android.annotation.SdkConstant.SdkConstantType; 21import android.content.Context; 22import android.os.Bundle; 23import android.os.RemoteException; 24import android.os.ServiceManager; 25import android.os.SystemProperties; 26import android.util.Log; 27 28import com.android.internal.telephony.IPhoneSubInfo; 29import com.android.internal.telephony.ITelephony; 30import com.android.internal.telephony.ITelephonyRegistry; 31import com.android.internal.telephony.Phone; 32import com.android.internal.telephony.PhoneFactory; 33import com.android.internal.telephony.RILConstants; 34import com.android.internal.telephony.TelephonyProperties; 35 36import java.util.List; 37 38/** 39 * Provides access to information about the telephony services on 40 * the device. Applications can use the methods in this class to 41 * determine telephony services and states, as well as to access some 42 * types of subscriber information. Applications can also register 43 * a listener to receive notification of telephony state changes. 44 * <p> 45 * You do not instantiate this class directly; instead, you retrieve 46 * a reference to an instance through 47 * {@link android.content.Context#getSystemService 48 * Context.getSystemService(Context.TELEPHONY_SERVICE)}. 49 * <p> 50 * Note that access to some telephony information is 51 * permission-protected. Your application cannot access the protected 52 * information unless it has the appropriate permissions declared in 53 * its manifest file. Where permissions apply, they are noted in the 54 * the methods through which you access the protected information. 55 */ 56public class TelephonyManager { 57 private static final String TAG = "TelephonyManager"; 58 59 private static Context sContext; 60 private static ITelephonyRegistry sRegistry; 61 62 /** @hide */ 63 public TelephonyManager(Context context) { 64 if (sContext == null) { 65 sContext = context; 66 67 sRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( 68 "telephony.registry")); 69 } else { 70 Log.e(TAG, "Hidden constructor called more than once per process!"); 71 Log.e(TAG, "Original: " + sContext.getPackageName() + ", new: " + 72 context.getPackageName()); 73 } 74 } 75 76 /** @hide */ 77 private TelephonyManager() { 78 } 79 80 private static TelephonyManager sInstance = new TelephonyManager(); 81 82 /** @hide 83 /* @deprecated - use getSystemService as described above */ 84 public static TelephonyManager getDefault() { 85 return sInstance; 86 } 87 88 89 // 90 // Broadcast Intent actions 91 // 92 93 /** 94 * Broadcast intent action indicating that the call state (cellular) 95 * on the device has changed. 96 * 97 * <p> 98 * The {@link #EXTRA_STATE} extra indicates the new call state. 99 * If the new state is RINGING, a second extra 100 * {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as 101 * a String. 102 * 103 * <p class="note"> 104 * Requires the READ_PHONE_STATE permission. 105 * 106 * <p class="note"> 107 * This was a {@link android.content.Context#sendStickyBroadcast sticky} 108 * broadcast in version 1.0, but it is no longer sticky. 109 * Instead, use {@link #getCallState} to synchronously query the current call state. 110 * 111 * @see #EXTRA_STATE 112 * @see #EXTRA_INCOMING_NUMBER 113 * @see #getCallState 114 */ 115 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 116 public static final String ACTION_PHONE_STATE_CHANGED = 117 "android.intent.action.PHONE_STATE"; 118 119 /** 120 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 121 * for a String containing the new call state. 122 * 123 * @see #EXTRA_STATE_IDLE 124 * @see #EXTRA_STATE_RINGING 125 * @see #EXTRA_STATE_OFFHOOK 126 * 127 * <p class="note"> 128 * Retrieve with 129 * {@link android.content.Intent#getStringExtra(String)}. 130 */ 131 public static final String EXTRA_STATE = Phone.STATE_KEY; 132 133 /** 134 * Value used with {@link #EXTRA_STATE} corresponding to 135 * {@link #CALL_STATE_IDLE}. 136 */ 137 public static final String EXTRA_STATE_IDLE = Phone.State.IDLE.toString(); 138 139 /** 140 * Value used with {@link #EXTRA_STATE} corresponding to 141 * {@link #CALL_STATE_RINGING}. 142 */ 143 public static final String EXTRA_STATE_RINGING = Phone.State.RINGING.toString(); 144 145 /** 146 * Value used with {@link #EXTRA_STATE} corresponding to 147 * {@link #CALL_STATE_OFFHOOK}. 148 */ 149 public static final String EXTRA_STATE_OFFHOOK = Phone.State.OFFHOOK.toString(); 150 151 /** 152 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 153 * for a String containing the incoming phone number. 154 * Only valid when the new call state is RINGING. 155 * 156 * <p class="note"> 157 * Retrieve with 158 * {@link android.content.Intent#getStringExtra(String)}. 159 */ 160 public static final String EXTRA_INCOMING_NUMBER = "incoming_number"; 161 162 163 // 164 // 165 // Device Info 166 // 167 // 168 169 /** 170 * Returns the software version number for the device, for example, 171 * the IMEI/SV for GSM phones. Return null if the software version is 172 * not available. 173 * 174 * <p>Requires Permission: 175 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 176 */ 177 public String getDeviceSoftwareVersion() { 178 try { 179 return getSubscriberInfo().getDeviceSvn(); 180 } catch (RemoteException ex) { 181 return null; 182 } catch (NullPointerException ex) { 183 return null; 184 } 185 } 186 187 /** 188 * Returns the unique device ID, for example, the IMEI for GSM and the MEID 189 * or ESN for CDMA phones. Return null if device ID is not available. 190 * 191 * <p>Requires Permission: 192 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 193 */ 194 public String getDeviceId() { 195 try { 196 return getSubscriberInfo().getDeviceId(); 197 } catch (RemoteException ex) { 198 return null; 199 } catch (NullPointerException ex) { 200 return null; 201 } 202 } 203 204 /** 205 * Returns the current location of the device. 206 * Return null if current location is not available. 207 * 208 * <p>Requires Permission: 209 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or 210 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_FINE_LOCATION}. 211 */ 212 public CellLocation getCellLocation() { 213 try { 214 Bundle bundle = getITelephony().getCellLocation(); 215 CellLocation cl = CellLocation.newFromBundle(bundle); 216 if (cl.isEmpty()) 217 return null; 218 return cl; 219 } catch (RemoteException ex) { 220 return null; 221 } catch (NullPointerException ex) { 222 return null; 223 } 224 } 225 226 /** 227 * Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged 228 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 229 * 230 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 231 * CONTROL_LOCATION_UPDATES} 232 * 233 * @hide 234 */ 235 public void enableLocationUpdates() { 236 try { 237 getITelephony().enableLocationUpdates(); 238 } catch (RemoteException ex) { 239 } catch (NullPointerException ex) { 240 } 241 } 242 243 /** 244 * Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged 245 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 246 * 247 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 248 * CONTROL_LOCATION_UPDATES} 249 * 250 * @hide 251 */ 252 public void disableLocationUpdates() { 253 try { 254 getITelephony().disableLocationUpdates(); 255 } catch (RemoteException ex) { 256 } catch (NullPointerException ex) { 257 } 258 } 259 260 /** 261 * Returns the neighboring cell information of the device. 262 * 263 * @return List of NeighboringCellInfo or null if info unavailable. 264 * 265 * <p>Requires Permission: 266 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 267 */ 268 public List<NeighboringCellInfo> getNeighboringCellInfo() { 269 try { 270 return getITelephony().getNeighboringCellInfo(); 271 } catch (RemoteException ex) { 272 return null; 273 } catch (NullPointerException ex) { 274 return null; 275 } 276 } 277 278 /** No phone radio. */ 279 public static final int PHONE_TYPE_NONE = Phone.PHONE_TYPE_NONE; 280 /** Phone radio is GSM. */ 281 public static final int PHONE_TYPE_GSM = Phone.PHONE_TYPE_GSM; 282 /** Phone radio is CDMA. */ 283 public static final int PHONE_TYPE_CDMA = Phone.PHONE_TYPE_CDMA; 284 /** Phone is via SIP. */ 285 public static final int PHONE_TYPE_SIP = Phone.PHONE_TYPE_SIP; 286 287 /** 288 * Returns the current phone type. 289 * TODO: This is a last minute change and hence hidden. 290 * 291 * @see #PHONE_TYPE_NONE 292 * @see #PHONE_TYPE_GSM 293 * @see #PHONE_TYPE_CDMA 294 * @see #PHONE_TYPE_SIP 295 * 296 * {@hide} 297 */ 298 public int getCurrentPhoneType() { 299 try{ 300 ITelephony telephony = getITelephony(); 301 if (telephony != null) { 302 return telephony.getActivePhoneType(); 303 } else { 304 // This can happen when the ITelephony interface is not up yet. 305 return getPhoneTypeFromProperty(); 306 } 307 } catch (RemoteException ex) { 308 // This shouldn't happen in the normal case, as a backup we 309 // read from the system property. 310 return getPhoneTypeFromProperty(); 311 } catch (NullPointerException ex) { 312 // This shouldn't happen in the normal case, as a backup we 313 // read from the system property. 314 return getPhoneTypeFromProperty(); 315 } 316 } 317 318 /** 319 * Returns a constant indicating the device phone type. This 320 * indicates the type of radio used to transmit voice calls. 321 * 322 * @see #PHONE_TYPE_NONE 323 * @see #PHONE_TYPE_GSM 324 * @see #PHONE_TYPE_CDMA 325 * @see #PHONE_TYPE_SIP 326 */ 327 public int getPhoneType() { 328 if (!isVoiceCapable()) { 329 return PHONE_TYPE_NONE; 330 } 331 return getCurrentPhoneType(); 332 } 333 334 private int getPhoneTypeFromProperty() { 335 int type = 336 SystemProperties.getInt(TelephonyProperties.CURRENT_ACTIVE_PHONE, 337 getPhoneTypeFromNetworkType()); 338 return type; 339 } 340 341 private int getPhoneTypeFromNetworkType() { 342 // When the system property CURRENT_ACTIVE_PHONE, has not been set, 343 // use the system property for default network type. 344 // This is a fail safe, and can only happen at first boot. 345 int mode = SystemProperties.getInt("ro.telephony.default_network", -1); 346 if (mode == -1) 347 return PHONE_TYPE_NONE; 348 return PhoneFactory.getPhoneType(mode); 349 } 350 // 351 // 352 // Current Network 353 // 354 // 355 356 /** 357 * Returns the alphabetic name of current registered operator. 358 * <p> 359 * Availability: Only when user is registered to a network. Result may be 360 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 361 * on a CDMA network). 362 */ 363 public String getNetworkOperatorName() { 364 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA); 365 } 366 367 /** 368 * Returns the numeric name (MCC+MNC) of current registered operator. 369 * <p> 370 * Availability: Only when user is registered to a network. Result may be 371 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 372 * on a CDMA network). 373 */ 374 public String getNetworkOperator() { 375 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); 376 } 377 378 /** 379 * Returns true if the device is considered roaming on the current 380 * network, for GSM purposes. 381 * <p> 382 * Availability: Only when user registered to a network. 383 */ 384 public boolean isNetworkRoaming() { 385 return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); 386 } 387 388 /** 389 * Returns the ISO country code equivalent of the current registered 390 * operator's MCC (Mobile Country Code). 391 * <p> 392 * Availability: Only when user is registered to a network. Result may be 393 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 394 * on a CDMA network). 395 */ 396 public String getNetworkCountryIso() { 397 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY); 398 } 399 400 /** Network type is unknown */ 401 public static final int NETWORK_TYPE_UNKNOWN = 0; 402 /** Current network is GPRS */ 403 public static final int NETWORK_TYPE_GPRS = 1; 404 /** Current network is EDGE */ 405 public static final int NETWORK_TYPE_EDGE = 2; 406 /** Current network is UMTS */ 407 public static final int NETWORK_TYPE_UMTS = 3; 408 /** Current network is CDMA: Either IS95A or IS95B*/ 409 public static final int NETWORK_TYPE_CDMA = 4; 410 /** Current network is EVDO revision 0*/ 411 public static final int NETWORK_TYPE_EVDO_0 = 5; 412 /** Current network is EVDO revision A*/ 413 public static final int NETWORK_TYPE_EVDO_A = 6; 414 /** Current network is 1xRTT*/ 415 public static final int NETWORK_TYPE_1xRTT = 7; 416 /** Current network is HSDPA */ 417 public static final int NETWORK_TYPE_HSDPA = 8; 418 /** Current network is HSUPA */ 419 public static final int NETWORK_TYPE_HSUPA = 9; 420 /** Current network is HSPA */ 421 public static final int NETWORK_TYPE_HSPA = 10; 422 /** Current network is iDen */ 423 public static final int NETWORK_TYPE_IDEN = 11; 424 /** Current network is EVDO revision B*/ 425 public static final int NETWORK_TYPE_EVDO_B = 12; 426 /** Current network is LTE */ 427 public static final int NETWORK_TYPE_LTE = 13; 428 /** Current network is eHRPD */ 429 public static final int NETWORK_TYPE_EHRPD = 14; 430 /** Current network is HSPA+ */ 431 public static final int NETWORK_TYPE_HSPAP = 15; 432 433 /** 434 * Returns a constant indicating the radio technology (network type) 435 * currently in use on the device for data transmission. 436 * @return the network type 437 * 438 * @see #NETWORK_TYPE_UNKNOWN 439 * @see #NETWORK_TYPE_GPRS 440 * @see #NETWORK_TYPE_EDGE 441 * @see #NETWORK_TYPE_UMTS 442 * @see #NETWORK_TYPE_HSDPA 443 * @see #NETWORK_TYPE_HSUPA 444 * @see #NETWORK_TYPE_HSPA 445 * @see #NETWORK_TYPE_CDMA 446 * @see #NETWORK_TYPE_EVDO_0 447 * @see #NETWORK_TYPE_EVDO_A 448 * @see #NETWORK_TYPE_EVDO_B 449 * @see #NETWORK_TYPE_1xRTT 450 * @see #NETWORK_TYPE_IDEN 451 * @see #NETWORK_TYPE_LTE 452 * @see #NETWORK_TYPE_EHRPD 453 * @see #NETWORK_TYPE_HSPAP 454 */ 455 public int getNetworkType() { 456 try{ 457 ITelephony telephony = getITelephony(); 458 if (telephony != null) { 459 return telephony.getNetworkType(); 460 } else { 461 // This can happen when the ITelephony interface is not up yet. 462 return NETWORK_TYPE_UNKNOWN; 463 } 464 } catch(RemoteException ex) { 465 // This shouldn't happen in the normal case 466 return NETWORK_TYPE_UNKNOWN; 467 } catch (NullPointerException ex) { 468 // This could happen before phone restarts due to crashing 469 return NETWORK_TYPE_UNKNOWN; 470 } 471 } 472 473 /** 474 * Returns a string representation of the radio technology (network type) 475 * currently in use on the device. 476 * @return the name of the radio technology 477 * 478 * @hide pending API council review 479 */ 480 public String getNetworkTypeName() { 481 switch (getNetworkType()) { 482 case NETWORK_TYPE_GPRS: 483 return "GPRS"; 484 case NETWORK_TYPE_EDGE: 485 return "EDGE"; 486 case NETWORK_TYPE_UMTS: 487 return "UMTS"; 488 case NETWORK_TYPE_HSDPA: 489 return "HSDPA"; 490 case NETWORK_TYPE_HSUPA: 491 return "HSUPA"; 492 case NETWORK_TYPE_HSPA: 493 return "HSPA"; 494 case NETWORK_TYPE_CDMA: 495 return "CDMA"; 496 case NETWORK_TYPE_EVDO_0: 497 return "CDMA - EvDo rev. 0"; 498 case NETWORK_TYPE_EVDO_A: 499 return "CDMA - EvDo rev. A"; 500 case NETWORK_TYPE_EVDO_B: 501 return "CDMA - EvDo rev. B"; 502 case NETWORK_TYPE_1xRTT: 503 return "CDMA - 1xRTT"; 504 case NETWORK_TYPE_LTE: 505 return "LTE"; 506 case NETWORK_TYPE_EHRPD: 507 return "CDMA - eHRPD"; 508 case NETWORK_TYPE_IDEN: 509 return "iDEN"; 510 case NETWORK_TYPE_HSPAP: 511 return "HSPA+"; 512 default: 513 return "UNKNOWN"; 514 } 515 } 516 517 // 518 // 519 // SIM Card 520 // 521 // 522 523 /** SIM card state: Unknown. Signifies that the SIM is in transition 524 * between states. For example, when the user inputs the SIM pin 525 * under PIN_REQUIRED state, a query for sim status returns 526 * this state before turning to SIM_STATE_READY. */ 527 public static final int SIM_STATE_UNKNOWN = 0; 528 /** SIM card state: no SIM card is available in the device */ 529 public static final int SIM_STATE_ABSENT = 1; 530 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 531 public static final int SIM_STATE_PIN_REQUIRED = 2; 532 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 533 public static final int SIM_STATE_PUK_REQUIRED = 3; 534 /** SIM card state: Locked: requries a network PIN to unlock */ 535 public static final int SIM_STATE_NETWORK_LOCKED = 4; 536 /** SIM card state: Ready */ 537 public static final int SIM_STATE_READY = 5; 538 539 /** 540 * @return true if a ICC card is present 541 */ 542 public boolean hasIccCard() { 543 try { 544 return getITelephony().hasIccCard(); 545 } catch (RemoteException ex) { 546 // Assume no ICC card if remote exception which shouldn't happen 547 return false; 548 } catch (NullPointerException ex) { 549 // This could happen before phone restarts due to crashing 550 return false; 551 } 552 } 553 554 /** 555 * Returns a constant indicating the state of the 556 * device SIM card. 557 * 558 * @see #SIM_STATE_UNKNOWN 559 * @see #SIM_STATE_ABSENT 560 * @see #SIM_STATE_PIN_REQUIRED 561 * @see #SIM_STATE_PUK_REQUIRED 562 * @see #SIM_STATE_NETWORK_LOCKED 563 * @see #SIM_STATE_READY 564 */ 565 public int getSimState() { 566 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 567 if ("ABSENT".equals(prop)) { 568 return SIM_STATE_ABSENT; 569 } 570 else if ("PIN_REQUIRED".equals(prop)) { 571 return SIM_STATE_PIN_REQUIRED; 572 } 573 else if ("PUK_REQUIRED".equals(prop)) { 574 return SIM_STATE_PUK_REQUIRED; 575 } 576 else if ("NETWORK_LOCKED".equals(prop)) { 577 return SIM_STATE_NETWORK_LOCKED; 578 } 579 else if ("READY".equals(prop)) { 580 return SIM_STATE_READY; 581 } 582 else { 583 return SIM_STATE_UNKNOWN; 584 } 585 } 586 587 /** 588 * Returns the MCC+MNC (mobile country code + mobile network code) of the 589 * provider of the SIM. 5 or 6 decimal digits. 590 * <p> 591 * Availability: SIM state must be {@link #SIM_STATE_READY} 592 * 593 * @see #getSimState 594 */ 595 public String getSimOperator() { 596 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC); 597 } 598 599 /** 600 * Returns the Service Provider Name (SPN). 601 * <p> 602 * Availability: SIM state must be {@link #SIM_STATE_READY} 603 * 604 * @see #getSimState 605 */ 606 public String getSimOperatorName() { 607 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA); 608 } 609 610 /** 611 * Returns the ISO country code equivalent for the SIM provider's country code. 612 */ 613 public String getSimCountryIso() { 614 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY); 615 } 616 617 /** 618 * Returns the serial number of the SIM, if applicable. Return null if it is 619 * unavailable. 620 * <p> 621 * Requires Permission: 622 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 623 */ 624 public String getSimSerialNumber() { 625 try { 626 return getSubscriberInfo().getIccSerialNumber(); 627 } catch (RemoteException ex) { 628 return null; 629 } catch (NullPointerException ex) { 630 // This could happen before phone restarts due to crashing 631 return null; 632 } 633 } 634 635 // 636 // 637 // Subscriber Info 638 // 639 // 640 641 /** 642 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 643 * Return null if it is unavailable. 644 * <p> 645 * Requires Permission: 646 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 647 */ 648 public String getSubscriberId() { 649 try { 650 return getSubscriberInfo().getSubscriberId(); 651 } catch (RemoteException ex) { 652 return null; 653 } catch (NullPointerException ex) { 654 // This could happen before phone restarts due to crashing 655 return null; 656 } 657 } 658 659 /** 660 * Returns the phone number string for line 1, for example, the MSISDN 661 * for a GSM phone. Return null if it is unavailable. 662 * <p> 663 * Requires Permission: 664 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 665 */ 666 public String getLine1Number() { 667 try { 668 return getSubscriberInfo().getLine1Number(); 669 } catch (RemoteException ex) { 670 return null; 671 } catch (NullPointerException ex) { 672 // This could happen before phone restarts due to crashing 673 return null; 674 } 675 } 676 677 /** 678 * Returns the alphabetic identifier associated with the line 1 number. 679 * Return null if it is unavailable. 680 * <p> 681 * Requires Permission: 682 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 683 * @hide 684 * nobody seems to call this. 685 */ 686 public String getLine1AlphaTag() { 687 try { 688 return getSubscriberInfo().getLine1AlphaTag(); 689 } catch (RemoteException ex) { 690 return null; 691 } catch (NullPointerException ex) { 692 // This could happen before phone restarts due to crashing 693 return null; 694 } 695 } 696 697 /** 698 * Returns the voice mail number. Return null if it is unavailable. 699 * <p> 700 * Requires Permission: 701 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 702 */ 703 public String getVoiceMailNumber() { 704 try { 705 return getSubscriberInfo().getVoiceMailNumber(); 706 } catch (RemoteException ex) { 707 return null; 708 } catch (NullPointerException ex) { 709 // This could happen before phone restarts due to crashing 710 return null; 711 } 712 } 713 714 /** 715 * Returns the complete voice mail number. Return null if it is unavailable. 716 * <p> 717 * Requires Permission: 718 * {@link android.Manifest.permission#CALL_PRIVILEGED CALL_PRIVILEGED} 719 * 720 * @hide 721 */ 722 public String getCompleteVoiceMailNumber() { 723 try { 724 return getSubscriberInfo().getCompleteVoiceMailNumber(); 725 } catch (RemoteException ex) { 726 return null; 727 } catch (NullPointerException ex) { 728 // This could happen before phone restarts due to crashing 729 return null; 730 } 731 } 732 733 /** 734 * Returns the voice mail count. Return 0 if unavailable. 735 * <p> 736 * Requires Permission: 737 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 738 * @hide 739 */ 740 public int getVoiceMessageCount() { 741 try { 742 return getITelephony().getVoiceMessageCount(); 743 } catch (RemoteException ex) { 744 return 0; 745 } catch (NullPointerException ex) { 746 // This could happen before phone restarts due to crashing 747 return 0; 748 } 749 } 750 751 /** 752 * Retrieves the alphabetic identifier associated with the voice 753 * mail number. 754 * <p> 755 * Requires Permission: 756 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 757 */ 758 public String getVoiceMailAlphaTag() { 759 try { 760 return getSubscriberInfo().getVoiceMailAlphaTag(); 761 } catch (RemoteException ex) { 762 return null; 763 } catch (NullPointerException ex) { 764 // This could happen before phone restarts due to crashing 765 return null; 766 } 767 } 768 769 private IPhoneSubInfo getSubscriberInfo() { 770 // get it each time because that process crashes a lot 771 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 772 } 773 774 775 /** Device call state: No activity. */ 776 public static final int CALL_STATE_IDLE = 0; 777 /** Device call state: Ringing. A new call arrived and is 778 * ringing or waiting. In the latter case, another call is 779 * already active. */ 780 public static final int CALL_STATE_RINGING = 1; 781 /** Device call state: Off-hook. At least one call exists 782 * that is dialing, active, or on hold, and no calls are ringing 783 * or waiting. */ 784 public static final int CALL_STATE_OFFHOOK = 2; 785 786 /** 787 * Returns a constant indicating the call state (cellular) on the device. 788 */ 789 public int getCallState() { 790 try { 791 return getITelephony().getCallState(); 792 } catch (RemoteException ex) { 793 // the phone process is restarting. 794 return CALL_STATE_IDLE; 795 } catch (NullPointerException ex) { 796 // the phone process is restarting. 797 return CALL_STATE_IDLE; 798 } 799 } 800 801 /** Data connection activity: No traffic. */ 802 public static final int DATA_ACTIVITY_NONE = 0x00000000; 803 /** Data connection activity: Currently receiving IP PPP traffic. */ 804 public static final int DATA_ACTIVITY_IN = 0x00000001; 805 /** Data connection activity: Currently sending IP PPP traffic. */ 806 public static final int DATA_ACTIVITY_OUT = 0x00000002; 807 /** Data connection activity: Currently both sending and receiving 808 * IP PPP traffic. */ 809 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 810 /** 811 * Data connection is active, but physical link is down 812 */ 813 public static final int DATA_ACTIVITY_DORMANT = 0x00000004; 814 815 /** 816 * Returns a constant indicating the type of activity on a data connection 817 * (cellular). 818 * 819 * @see #DATA_ACTIVITY_NONE 820 * @see #DATA_ACTIVITY_IN 821 * @see #DATA_ACTIVITY_OUT 822 * @see #DATA_ACTIVITY_INOUT 823 * @see #DATA_ACTIVITY_DORMANT 824 */ 825 public int getDataActivity() { 826 try { 827 return getITelephony().getDataActivity(); 828 } catch (RemoteException ex) { 829 // the phone process is restarting. 830 return DATA_ACTIVITY_NONE; 831 } catch (NullPointerException ex) { 832 // the phone process is restarting. 833 return DATA_ACTIVITY_NONE; 834 } 835 } 836 837 /** Data connection state: Unknown. Used before we know the state. 838 * @hide 839 */ 840 public static final int DATA_UNKNOWN = -1; 841 /** Data connection state: Disconnected. IP traffic not available. */ 842 public static final int DATA_DISCONNECTED = 0; 843 /** Data connection state: Currently setting up a data connection. */ 844 public static final int DATA_CONNECTING = 1; 845 /** Data connection state: Connected. IP traffic should be available. */ 846 public static final int DATA_CONNECTED = 2; 847 /** Data connection state: Suspended. The connection is up, but IP 848 * traffic is temporarily unavailable. For example, in a 2G network, 849 * data activity may be suspended when a voice call arrives. */ 850 public static final int DATA_SUSPENDED = 3; 851 852 /** 853 * Returns a constant indicating the current data connection state 854 * (cellular). 855 * 856 * @see #DATA_DISCONNECTED 857 * @see #DATA_CONNECTING 858 * @see #DATA_CONNECTED 859 * @see #DATA_SUSPENDED 860 */ 861 public int getDataState() { 862 try { 863 return getITelephony().getDataState(); 864 } catch (RemoteException ex) { 865 // the phone process is restarting. 866 return DATA_DISCONNECTED; 867 } catch (NullPointerException ex) { 868 return DATA_DISCONNECTED; 869 } 870 } 871 872 private ITelephony getITelephony() { 873 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 874 } 875 876 // 877 // 878 // PhoneStateListener 879 // 880 // 881 882 /** 883 * Registers a listener object to receive notification of changes 884 * in specified telephony states. 885 * <p> 886 * To register a listener, pass a {@link PhoneStateListener} 887 * and specify at least one telephony state of interest in 888 * the events argument. 889 * 890 * At registration, and when a specified telephony state 891 * changes, the telephony manager invokes the appropriate 892 * callback method on the listener object and passes the 893 * current (udpated) values. 894 * <p> 895 * To unregister a listener, pass the listener object and set the 896 * events argument to 897 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 898 * 899 * @param listener The {@link PhoneStateListener} object to register 900 * (or unregister) 901 * @param events The telephony state(s) of interest to the listener, 902 * as a bitwise-OR combination of {@link PhoneStateListener} 903 * LISTEN_ flags. 904 */ 905 public void listen(PhoneStateListener listener, int events) { 906 String pkgForDebug = sContext != null ? sContext.getPackageName() : "<unknown>"; 907 try { 908 Boolean notifyNow = (getITelephony() != null); 909 sRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 910 } catch (RemoteException ex) { 911 // system process dead 912 } catch (NullPointerException ex) { 913 // system process dead 914 } 915 } 916 917 /** 918 * Returns the CDMA ERI icon index to display 919 * 920 * @hide 921 */ 922 public int getCdmaEriIconIndex() { 923 try { 924 return getITelephony().getCdmaEriIconIndex(); 925 } catch (RemoteException ex) { 926 // the phone process is restarting. 927 return -1; 928 } catch (NullPointerException ex) { 929 return -1; 930 } 931 } 932 933 /** 934 * Returns the CDMA ERI icon mode, 935 * 0 - ON 936 * 1 - FLASHING 937 * 938 * @hide 939 */ 940 public int getCdmaEriIconMode() { 941 try { 942 return getITelephony().getCdmaEriIconMode(); 943 } catch (RemoteException ex) { 944 // the phone process is restarting. 945 return -1; 946 } catch (NullPointerException ex) { 947 return -1; 948 } 949 } 950 951 /** 952 * Returns the CDMA ERI text, 953 * 954 * @hide 955 */ 956 public String getCdmaEriText() { 957 try { 958 return getITelephony().getCdmaEriText(); 959 } catch (RemoteException ex) { 960 // the phone process is restarting. 961 return null; 962 } catch (NullPointerException ex) { 963 return null; 964 } 965 } 966 967 /** 968 * @return true if the current device is "voice capable". 969 * <p> 970 * "Voice capable" means that this device supports circuit-switched 971 * (i.e. voice) phone calls over the telephony network, and is allowed 972 * to display the in-call UI while a cellular voice call is active. 973 * This will be false on "data only" devices which can't make voice 974 * calls and don't support any in-call UI. 975 * <p> 976 * Note: the meaning of this flag is subtly different from the 977 * PackageManager.FEATURE_TELEPHONY system feature, which is available 978 * on any device with a telephony radio, even if the device is 979 * data-only. 980 * 981 * @hide pending API review 982 */ 983 public boolean isVoiceCapable() { 984 if (sContext == null) return true; 985 return sContext.getResources().getBoolean( 986 com.android.internal.R.bool.config_voice_capable); 987 } 988 989 /** 990 * @return true if the current device supports sms service. 991 * <p> 992 * If true, this means that the device supports both sending and 993 * receiving sms via the telephony network. 994 * <p> 995 * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are 996 * disabled when device doesn't support sms. 997 * 998 * @hide pending API review 999 */ 1000 public boolean isSmsCapable() { 1001 if (sContext == null) return true; 1002 return sContext.getResources().getBoolean( 1003 com.android.internal.R.bool.config_sms_capable); 1004 } 1005} 1006