TelephonyManager.java revision 6e2884817d7f51257fbf5195f3a47e3cfa3b5d98
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; 430 431 /** 432 * Returns a constant indicating the radio technology (network type) 433 * currently in use on the device for data transmission. 434 * @return the network type 435 * 436 * @see #NETWORK_TYPE_UNKNOWN 437 * @see #NETWORK_TYPE_GPRS 438 * @see #NETWORK_TYPE_EDGE 439 * @see #NETWORK_TYPE_UMTS 440 * @see #NETWORK_TYPE_HSDPA 441 * @see #NETWORK_TYPE_HSUPA 442 * @see #NETWORK_TYPE_HSPA 443 * @see #NETWORK_TYPE_CDMA 444 * @see #NETWORK_TYPE_EVDO_0 445 * @see #NETWORK_TYPE_EVDO_A 446 * @see #NETWORK_TYPE_EVDO_B 447 * @see #NETWORK_TYPE_1xRTT 448 * @see #NETWORK_TYPE_IDEN 449 * @see #NETWORK_TYPE_LTE 450 * @see #NETWORK_TYPE_EHRPD 451 */ 452 public int getNetworkType() { 453 try{ 454 ITelephony telephony = getITelephony(); 455 if (telephony != null) { 456 return telephony.getNetworkType(); 457 } else { 458 // This can happen when the ITelephony interface is not up yet. 459 return NETWORK_TYPE_UNKNOWN; 460 } 461 } catch(RemoteException ex) { 462 // This shouldn't happen in the normal case 463 return NETWORK_TYPE_UNKNOWN; 464 } catch (NullPointerException ex) { 465 // This could happen before phone restarts due to crashing 466 return NETWORK_TYPE_UNKNOWN; 467 } 468 } 469 470 /** 471 * Returns a string representation of the radio technology (network type) 472 * currently in use on the device. 473 * @return the name of the radio technology 474 * 475 * @hide pending API council review 476 */ 477 public String getNetworkTypeName() { 478 switch (getNetworkType()) { 479 case NETWORK_TYPE_GPRS: 480 return "GPRS"; 481 case NETWORK_TYPE_EDGE: 482 return "EDGE"; 483 case NETWORK_TYPE_UMTS: 484 return "UMTS"; 485 case NETWORK_TYPE_HSDPA: 486 return "HSDPA"; 487 case NETWORK_TYPE_HSUPA: 488 return "HSUPA"; 489 case NETWORK_TYPE_HSPA: 490 return "HSPA"; 491 case NETWORK_TYPE_CDMA: 492 return "CDMA"; 493 case NETWORK_TYPE_EVDO_0: 494 return "CDMA - EvDo rev. 0"; 495 case NETWORK_TYPE_EVDO_A: 496 return "CDMA - EvDo rev. A"; 497 case NETWORK_TYPE_EVDO_B: 498 return "CDMA - EvDo rev. B"; 499 case NETWORK_TYPE_1xRTT: 500 return "CDMA - 1xRTT"; 501 case NETWORK_TYPE_LTE: 502 return "LTE"; 503 case NETWORK_TYPE_EHRPD: 504 return "CDMA - eHRPD"; 505 case NETWORK_TYPE_IDEN: 506 return "iDEN"; 507 default: 508 return "UNKNOWN"; 509 } 510 } 511 512 // 513 // 514 // SIM Card 515 // 516 // 517 518 /** SIM card state: Unknown. Signifies that the SIM is in transition 519 * between states. For example, when the user inputs the SIM pin 520 * under PIN_REQUIRED state, a query for sim status returns 521 * this state before turning to SIM_STATE_READY. */ 522 public static final int SIM_STATE_UNKNOWN = 0; 523 /** SIM card state: no SIM card is available in the device */ 524 public static final int SIM_STATE_ABSENT = 1; 525 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 526 public static final int SIM_STATE_PIN_REQUIRED = 2; 527 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 528 public static final int SIM_STATE_PUK_REQUIRED = 3; 529 /** SIM card state: Locked: requries a network PIN to unlock */ 530 public static final int SIM_STATE_NETWORK_LOCKED = 4; 531 /** SIM card state: Ready */ 532 public static final int SIM_STATE_READY = 5; 533 534 /** 535 * @return true if a ICC card is present 536 */ 537 public boolean hasIccCard() { 538 try { 539 return getITelephony().hasIccCard(); 540 } catch (RemoteException ex) { 541 // Assume no ICC card if remote exception which shouldn't happen 542 return false; 543 } catch (NullPointerException ex) { 544 // This could happen before phone restarts due to crashing 545 return false; 546 } 547 } 548 549 /** 550 * Returns a constant indicating the state of the 551 * device SIM card. 552 * 553 * @see #SIM_STATE_UNKNOWN 554 * @see #SIM_STATE_ABSENT 555 * @see #SIM_STATE_PIN_REQUIRED 556 * @see #SIM_STATE_PUK_REQUIRED 557 * @see #SIM_STATE_NETWORK_LOCKED 558 * @see #SIM_STATE_READY 559 */ 560 public int getSimState() { 561 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 562 if ("ABSENT".equals(prop)) { 563 return SIM_STATE_ABSENT; 564 } 565 else if ("PIN_REQUIRED".equals(prop)) { 566 return SIM_STATE_PIN_REQUIRED; 567 } 568 else if ("PUK_REQUIRED".equals(prop)) { 569 return SIM_STATE_PUK_REQUIRED; 570 } 571 else if ("NETWORK_LOCKED".equals(prop)) { 572 return SIM_STATE_NETWORK_LOCKED; 573 } 574 else if ("READY".equals(prop)) { 575 return SIM_STATE_READY; 576 } 577 else { 578 return SIM_STATE_UNKNOWN; 579 } 580 } 581 582 /** 583 * Returns the MCC+MNC (mobile country code + mobile network code) of the 584 * provider of the SIM. 5 or 6 decimal digits. 585 * <p> 586 * Availability: SIM state must be {@link #SIM_STATE_READY} 587 * 588 * @see #getSimState 589 */ 590 public String getSimOperator() { 591 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC); 592 } 593 594 /** 595 * Returns the Service Provider Name (SPN). 596 * <p> 597 * Availability: SIM state must be {@link #SIM_STATE_READY} 598 * 599 * @see #getSimState 600 */ 601 public String getSimOperatorName() { 602 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA); 603 } 604 605 /** 606 * Returns the ISO country code equivalent for the SIM provider's country code. 607 */ 608 public String getSimCountryIso() { 609 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY); 610 } 611 612 /** 613 * Returns the serial number of the SIM, if applicable. Return null if it is 614 * unavailable. 615 * <p> 616 * Requires Permission: 617 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 618 */ 619 public String getSimSerialNumber() { 620 try { 621 return getSubscriberInfo().getIccSerialNumber(); 622 } catch (RemoteException ex) { 623 return null; 624 } catch (NullPointerException ex) { 625 // This could happen before phone restarts due to crashing 626 return null; 627 } 628 } 629 630 // 631 // 632 // Subscriber Info 633 // 634 // 635 636 /** 637 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 638 * Return null if it is unavailable. 639 * <p> 640 * Requires Permission: 641 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 642 */ 643 public String getSubscriberId() { 644 try { 645 return getSubscriberInfo().getSubscriberId(); 646 } catch (RemoteException ex) { 647 return null; 648 } catch (NullPointerException ex) { 649 // This could happen before phone restarts due to crashing 650 return null; 651 } 652 } 653 654 /** 655 * Returns the phone number string for line 1, for example, the MSISDN 656 * for a GSM phone. Return null if it is unavailable. 657 * <p> 658 * Requires Permission: 659 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 660 */ 661 public String getLine1Number() { 662 try { 663 return getSubscriberInfo().getLine1Number(); 664 } catch (RemoteException ex) { 665 return null; 666 } catch (NullPointerException ex) { 667 // This could happen before phone restarts due to crashing 668 return null; 669 } 670 } 671 672 /** 673 * Returns the alphabetic identifier associated with the line 1 number. 674 * Return null if it is unavailable. 675 * <p> 676 * Requires Permission: 677 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 678 * @hide 679 * nobody seems to call this. 680 */ 681 public String getLine1AlphaTag() { 682 try { 683 return getSubscriberInfo().getLine1AlphaTag(); 684 } catch (RemoteException ex) { 685 return null; 686 } catch (NullPointerException ex) { 687 // This could happen before phone restarts due to crashing 688 return null; 689 } 690 } 691 692 /** 693 * Returns the voice mail number. Return null if it is unavailable. 694 * <p> 695 * Requires Permission: 696 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 697 */ 698 public String getVoiceMailNumber() { 699 try { 700 return getSubscriberInfo().getVoiceMailNumber(); 701 } catch (RemoteException ex) { 702 return null; 703 } catch (NullPointerException ex) { 704 // This could happen before phone restarts due to crashing 705 return null; 706 } 707 } 708 709 /** 710 * Returns the complete voice mail number. Return null if it is unavailable. 711 * <p> 712 * Requires Permission: 713 * {@link android.Manifest.permission#CALL_PRIVILEGED CALL_PRIVILEGED} 714 * 715 * @hide 716 */ 717 public String getCompleteVoiceMailNumber() { 718 try { 719 return getSubscriberInfo().getCompleteVoiceMailNumber(); 720 } catch (RemoteException ex) { 721 return null; 722 } catch (NullPointerException ex) { 723 // This could happen before phone restarts due to crashing 724 return null; 725 } 726 } 727 728 /** 729 * Returns the voice mail count. Return 0 if unavailable. 730 * <p> 731 * Requires Permission: 732 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 733 * @hide 734 */ 735 public int getVoiceMessageCount() { 736 try { 737 return getITelephony().getVoiceMessageCount(); 738 } catch (RemoteException ex) { 739 return 0; 740 } catch (NullPointerException ex) { 741 // This could happen before phone restarts due to crashing 742 return 0; 743 } 744 } 745 746 /** 747 * Retrieves the alphabetic identifier associated with the voice 748 * mail number. 749 * <p> 750 * Requires Permission: 751 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 752 */ 753 public String getVoiceMailAlphaTag() { 754 try { 755 return getSubscriberInfo().getVoiceMailAlphaTag(); 756 } catch (RemoteException ex) { 757 return null; 758 } catch (NullPointerException ex) { 759 // This could happen before phone restarts due to crashing 760 return null; 761 } 762 } 763 764 private IPhoneSubInfo getSubscriberInfo() { 765 // get it each time because that process crashes a lot 766 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 767 } 768 769 770 /** Device call state: No activity. */ 771 public static final int CALL_STATE_IDLE = 0; 772 /** Device call state: Ringing. A new call arrived and is 773 * ringing or waiting. In the latter case, another call is 774 * already active. */ 775 public static final int CALL_STATE_RINGING = 1; 776 /** Device call state: Off-hook. At least one call exists 777 * that is dialing, active, or on hold, and no calls are ringing 778 * or waiting. */ 779 public static final int CALL_STATE_OFFHOOK = 2; 780 781 /** 782 * Returns a constant indicating the call state (cellular) on the device. 783 */ 784 public int getCallState() { 785 try { 786 return getITelephony().getCallState(); 787 } catch (RemoteException ex) { 788 // the phone process is restarting. 789 return CALL_STATE_IDLE; 790 } catch (NullPointerException ex) { 791 // the phone process is restarting. 792 return CALL_STATE_IDLE; 793 } 794 } 795 796 /** Data connection activity: No traffic. */ 797 public static final int DATA_ACTIVITY_NONE = 0x00000000; 798 /** Data connection activity: Currently receiving IP PPP traffic. */ 799 public static final int DATA_ACTIVITY_IN = 0x00000001; 800 /** Data connection activity: Currently sending IP PPP traffic. */ 801 public static final int DATA_ACTIVITY_OUT = 0x00000002; 802 /** Data connection activity: Currently both sending and receiving 803 * IP PPP traffic. */ 804 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 805 /** 806 * Data connection is active, but physical link is down 807 */ 808 public static final int DATA_ACTIVITY_DORMANT = 0x00000004; 809 810 /** 811 * Returns a constant indicating the type of activity on a data connection 812 * (cellular). 813 * 814 * @see #DATA_ACTIVITY_NONE 815 * @see #DATA_ACTIVITY_IN 816 * @see #DATA_ACTIVITY_OUT 817 * @see #DATA_ACTIVITY_INOUT 818 * @see #DATA_ACTIVITY_DORMANT 819 */ 820 public int getDataActivity() { 821 try { 822 return getITelephony().getDataActivity(); 823 } catch (RemoteException ex) { 824 // the phone process is restarting. 825 return DATA_ACTIVITY_NONE; 826 } catch (NullPointerException ex) { 827 // the phone process is restarting. 828 return DATA_ACTIVITY_NONE; 829 } 830 } 831 832 /** Data connection state: Unknown. Used before we know the state. 833 * @hide 834 */ 835 public static final int DATA_UNKNOWN = -1; 836 /** Data connection state: Disconnected. IP traffic not available. */ 837 public static final int DATA_DISCONNECTED = 0; 838 /** Data connection state: Currently setting up a data connection. */ 839 public static final int DATA_CONNECTING = 1; 840 /** Data connection state: Connected. IP traffic should be available. */ 841 public static final int DATA_CONNECTED = 2; 842 /** Data connection state: Suspended. The connection is up, but IP 843 * traffic is temporarily unavailable. For example, in a 2G network, 844 * data activity may be suspended when a voice call arrives. */ 845 public static final int DATA_SUSPENDED = 3; 846 847 /** 848 * Returns a constant indicating the current data connection state 849 * (cellular). 850 * 851 * @see #DATA_DISCONNECTED 852 * @see #DATA_CONNECTING 853 * @see #DATA_CONNECTED 854 * @see #DATA_SUSPENDED 855 */ 856 public int getDataState() { 857 try { 858 return getITelephony().getDataState(); 859 } catch (RemoteException ex) { 860 // the phone process is restarting. 861 return DATA_DISCONNECTED; 862 } catch (NullPointerException ex) { 863 return DATA_DISCONNECTED; 864 } 865 } 866 867 private ITelephony getITelephony() { 868 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 869 } 870 871 // 872 // 873 // PhoneStateListener 874 // 875 // 876 877 /** 878 * Registers a listener object to receive notification of changes 879 * in specified telephony states. 880 * <p> 881 * To register a listener, pass a {@link PhoneStateListener} 882 * and specify at least one telephony state of interest in 883 * the events argument. 884 * 885 * At registration, and when a specified telephony state 886 * changes, the telephony manager invokes the appropriate 887 * callback method on the listener object and passes the 888 * current (udpated) values. 889 * <p> 890 * To unregister a listener, pass the listener object and set the 891 * events argument to 892 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 893 * 894 * @param listener The {@link PhoneStateListener} object to register 895 * (or unregister) 896 * @param events The telephony state(s) of interest to the listener, 897 * as a bitwise-OR combination of {@link PhoneStateListener} 898 * LISTEN_ flags. 899 */ 900 public void listen(PhoneStateListener listener, int events) { 901 String pkgForDebug = sContext != null ? sContext.getPackageName() : "<unknown>"; 902 try { 903 Boolean notifyNow = (getITelephony() != null); 904 sRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 905 } catch (RemoteException ex) { 906 // system process dead 907 } catch (NullPointerException ex) { 908 // system process dead 909 } 910 } 911 912 /** 913 * Returns the CDMA ERI icon index to display 914 * 915 * @hide 916 */ 917 public int getCdmaEriIconIndex() { 918 try { 919 return getITelephony().getCdmaEriIconIndex(); 920 } catch (RemoteException ex) { 921 // the phone process is restarting. 922 return -1; 923 } catch (NullPointerException ex) { 924 return -1; 925 } 926 } 927 928 /** 929 * Returns the CDMA ERI icon mode, 930 * 0 - ON 931 * 1 - FLASHING 932 * 933 * @hide 934 */ 935 public int getCdmaEriIconMode() { 936 try { 937 return getITelephony().getCdmaEriIconMode(); 938 } catch (RemoteException ex) { 939 // the phone process is restarting. 940 return -1; 941 } catch (NullPointerException ex) { 942 return -1; 943 } 944 } 945 946 /** 947 * Returns the CDMA ERI text, 948 * 949 * @hide 950 */ 951 public String getCdmaEriText() { 952 try { 953 return getITelephony().getCdmaEriText(); 954 } catch (RemoteException ex) { 955 // the phone process is restarting. 956 return null; 957 } catch (NullPointerException ex) { 958 return null; 959 } 960 } 961 962 /** 963 * @return true if the current device is "voice capable". 964 * <p> 965 * "Voice capable" means that this device supports circuit-switched 966 * (i.e. voice) phone calls over the telephony network, and is allowed 967 * to display the in-call UI while a cellular voice call is active. 968 * This will be false on "data only" devices which can't make voice 969 * calls and don't support any in-call UI. 970 * <p> 971 * Note: the meaning of this flag is subtly different from the 972 * PackageManager.FEATURE_TELEPHONY system feature, which is available 973 * on any device with a telephony radio, even if the device is 974 * data-only. 975 * 976 * @hide pending API review 977 */ 978 public boolean isVoiceCapable() { 979 if (sContext == null) return true; 980 return sContext.getResources().getBoolean( 981 com.android.internal.R.bool.config_voice_capable); 982 } 983 984 /** 985 * @return true if the current device supports sms service. 986 * <p> 987 * If true, this means that the device supports both sending and 988 * receiving sms via the telephony network. 989 * <p> 990 * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are 991 * disabled when device doesn't support sms. 992 * 993 * @hide pending API review 994 */ 995 public boolean isSmsCapable() { 996 if (sContext == null) return true; 997 return sContext.getResources().getBoolean( 998 com.android.internal.R.bool.config_sms_capable); 999 } 1000} 1001