TelephonyManager.java revision 5df69fad6e5021d2862bff0553a510f8d6729fbd
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.TelephonyProperties; 34 35import java.util.List; 36 37/** 38 * Provides access to information about the telephony services on 39 * the device. Applications can use the methods in this class to 40 * determine telephony services and states, as well as to access some 41 * types of subscriber information. Applications can also register 42 * a listener to receive notification of telephony state changes. 43 * <p> 44 * You do not instantiate this class directly; instead, you retrieve 45 * a reference to an instance through 46 * {@link android.content.Context#getSystemService 47 * Context.getSystemService(Context.TELEPHONY_SERVICE)}. 48 * <p> 49 * Note that access to some telephony information is 50 * permission-protected. Your application cannot access the protected 51 * information unless it has the appropriate permissions declared in 52 * its manifest file. Where permissions apply, they are noted in the 53 * the methods through which you access the protected information. 54 */ 55public class TelephonyManager { 56 private static final String TAG = "TelephonyManager"; 57 58 private static Context sContext; 59 private static ITelephonyRegistry sRegistry; 60 61 /** @hide */ 62 public TelephonyManager(Context context) { 63 if (sContext == null) { 64 sContext = context; 65 66 sRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( 67 "telephony.registry")); 68 } else { 69 Log.e(TAG, "Hidden constructor called more than once per process!"); 70 Log.e(TAG, "Original: " + sContext.getPackageName() + ", new: " + 71 context.getPackageName()); 72 } 73 } 74 75 /** @hide */ 76 private TelephonyManager() { 77 } 78 79 private static TelephonyManager sInstance = new TelephonyManager(); 80 81 /** @hide 82 /* @deprecated - use getSystemService as described above */ 83 public static TelephonyManager getDefault() { 84 return sInstance; 85 } 86 87 88 // 89 // Broadcast Intent actions 90 // 91 92 /** 93 * Broadcast intent action indicating that the call state (cellular) 94 * on the device has changed. 95 * 96 * <p> 97 * The {@link #EXTRA_STATE} extra indicates the new call state. 98 * If the new state is RINGING, a second extra 99 * {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as 100 * a String. 101 * 102 * <p class="note"> 103 * Requires the READ_PHONE_STATE permission. 104 * 105 * <p class="note"> 106 * This was a {@link android.content.Context#sendStickyBroadcast sticky} 107 * broadcast in version 1.0, but it is no longer sticky. 108 * Instead, use {@link #getCallState} to synchronously query the current call state. 109 * 110 * @see #EXTRA_STATE 111 * @see #EXTRA_INCOMING_NUMBER 112 * @see #getCallState 113 */ 114 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 115 public static final String ACTION_PHONE_STATE_CHANGED = 116 "android.intent.action.PHONE_STATE"; 117 118 /** 119 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 120 * for a String containing the new call state. 121 * 122 * @see #EXTRA_STATE_IDLE 123 * @see #EXTRA_STATE_RINGING 124 * @see #EXTRA_STATE_OFFHOOK 125 * 126 * <p class="note"> 127 * Retrieve with 128 * {@link android.content.Intent#getStringExtra(String)}. 129 */ 130 public static final String EXTRA_STATE = Phone.STATE_KEY; 131 132 /** 133 * Value used with {@link #EXTRA_STATE} corresponding to 134 * {@link #CALL_STATE_IDLE}. 135 */ 136 public static final String EXTRA_STATE_IDLE = Phone.State.IDLE.toString(); 137 138 /** 139 * Value used with {@link #EXTRA_STATE} corresponding to 140 * {@link #CALL_STATE_RINGING}. 141 */ 142 public static final String EXTRA_STATE_RINGING = Phone.State.RINGING.toString(); 143 144 /** 145 * Value used with {@link #EXTRA_STATE} corresponding to 146 * {@link #CALL_STATE_OFFHOOK}. 147 */ 148 public static final String EXTRA_STATE_OFFHOOK = Phone.State.OFFHOOK.toString(); 149 150 /** 151 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 152 * for a String containing the incoming phone number. 153 * Only valid when the new call state is RINGING. 154 * 155 * <p class="note"> 156 * Retrieve with 157 * {@link android.content.Intent#getStringExtra(String)}. 158 */ 159 public static final String EXTRA_INCOMING_NUMBER = "incoming_number"; 160 161 162 // 163 // 164 // Device Info 165 // 166 // 167 168 /** 169 * Returns the software version number for the device, for example, 170 * the IMEI/SV for GSM phones. Return null if the software version is 171 * not available. 172 * 173 * <p>Requires Permission: 174 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 175 */ 176 public String getDeviceSoftwareVersion() { 177 try { 178 return getSubscriberInfo().getDeviceSvn(); 179 } catch (RemoteException ex) { 180 return null; 181 } catch (NullPointerException ex) { 182 return null; 183 } 184 } 185 186 /** 187 * Returns the unique device ID, for example, the IMEI for GSM and the MEID 188 * or ESN for CDMA phones. Return null if device ID is not available. 189 * 190 * <p>Requires Permission: 191 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 192 */ 193 public String getDeviceId() { 194 try { 195 return getSubscriberInfo().getDeviceId(); 196 } catch (RemoteException ex) { 197 return null; 198 } catch (NullPointerException ex) { 199 return null; 200 } 201 } 202 203 /** 204 * Returns the current location of the device. 205 * Return null if current location is not available. 206 * 207 * <p>Requires Permission: 208 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or 209 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_FINE_LOCATION}. 210 */ 211 public CellLocation getCellLocation() { 212 try { 213 Bundle bundle = getITelephony().getCellLocation(); 214 CellLocation cl = CellLocation.newFromBundle(bundle); 215 if (cl.isEmpty()) 216 return null; 217 return cl; 218 } catch (RemoteException ex) { 219 return null; 220 } catch (NullPointerException ex) { 221 return null; 222 } 223 } 224 225 /** 226 * Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged 227 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 228 * 229 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 230 * CONTROL_LOCATION_UPDATES} 231 * 232 * @hide 233 */ 234 public void enableLocationUpdates() { 235 try { 236 getITelephony().enableLocationUpdates(); 237 } catch (RemoteException ex) { 238 } catch (NullPointerException ex) { 239 } 240 } 241 242 /** 243 * Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged 244 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 245 * 246 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 247 * CONTROL_LOCATION_UPDATES} 248 * 249 * @hide 250 */ 251 public void disableLocationUpdates() { 252 try { 253 getITelephony().disableLocationUpdates(); 254 } catch (RemoteException ex) { 255 } catch (NullPointerException ex) { 256 } 257 } 258 259 /** 260 * Returns the neighboring cell information of the device. 261 * 262 * @return List of NeighboringCellInfo or null if info unavailable. 263 * 264 * <p>Requires Permission: 265 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 266 */ 267 public List<NeighboringCellInfo> getNeighboringCellInfo() { 268 try { 269 return getITelephony().getNeighboringCellInfo(); 270 } catch (RemoteException ex) { 271 return null; 272 } catch (NullPointerException ex) { 273 return null; 274 } 275 } 276 277 /** No phone radio. */ 278 public static final int PHONE_TYPE_NONE = Phone.PHONE_TYPE_NONE; 279 /** Phone radio is GSM. */ 280 public static final int PHONE_TYPE_GSM = Phone.PHONE_TYPE_GSM; 281 /** Phone radio is CDMA. */ 282 public static final int PHONE_TYPE_CDMA = Phone.PHONE_TYPE_CDMA; 283 /** Phone is via SIP. */ 284 public static final int PHONE_TYPE_SIP = Phone.PHONE_TYPE_SIP; 285 286 /** 287 * Returns the current phone type. 288 * TODO: This is a last minute change and hence hidden. 289 * 290 * @see #PHONE_TYPE_NONE 291 * @see #PHONE_TYPE_GSM 292 * @see #PHONE_TYPE_CDMA 293 * @see #PHONE_TYPE_SIP 294 * 295 * {@hide} 296 */ 297 public int getCurrentPhoneType() { 298 try{ 299 ITelephony telephony = getITelephony(); 300 if (telephony != null) { 301 return telephony.getActivePhoneType(); 302 } else { 303 // This can happen when the ITelephony interface is not up yet. 304 return getPhoneTypeFromProperty(); 305 } 306 } catch (RemoteException ex) { 307 // This shouldn't happen in the normal case, as a backup we 308 // read from the system property. 309 return getPhoneTypeFromProperty(); 310 } catch (NullPointerException ex) { 311 // This shouldn't happen in the normal case, as a backup we 312 // read from the system property. 313 return getPhoneTypeFromProperty(); 314 } 315 } 316 317 /** 318 * Returns a constant indicating the device phone type. This 319 * indicates the type of radio used to transmit voice calls. 320 * 321 * @see #PHONE_TYPE_NONE 322 * @see #PHONE_TYPE_GSM 323 * @see #PHONE_TYPE_CDMA 324 * @see #PHONE_TYPE_SIP 325 */ 326 public int getPhoneType() { 327 if (!isVoiceCapable()) { 328 return PHONE_TYPE_NONE; 329 } 330 return getCurrentPhoneType(); 331 } 332 333 private int getPhoneTypeFromProperty() { 334 int type = 335 SystemProperties.getInt(TelephonyProperties.CURRENT_ACTIVE_PHONE, 336 getPhoneTypeFromNetworkType()); 337 return type; 338 } 339 340 private int getPhoneTypeFromNetworkType() { 341 // When the system property CURRENT_ACTIVE_PHONE, has not been set, 342 // use the system property for default network type. 343 // This is a fail safe, and can only happen at first boot. 344 int mode = SystemProperties.getInt("ro.telephony.default_network", -1); 345 if (mode == -1) 346 return PHONE_TYPE_NONE; 347 return PhoneFactory.getPhoneType(mode); 348 } 349 // 350 // 351 // Current Network 352 // 353 // 354 355 /** 356 * Returns the alphabetic name of current registered operator. 357 * <p> 358 * Availability: Only when user is registered to a network. Result may be 359 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 360 * on a CDMA network). 361 */ 362 public String getNetworkOperatorName() { 363 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA); 364 } 365 366 /** 367 * Returns the numeric name (MCC+MNC) of current registered operator. 368 * <p> 369 * Availability: Only when user is registered to a network. Result may be 370 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 371 * on a CDMA network). 372 */ 373 public String getNetworkOperator() { 374 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); 375 } 376 377 /** 378 * Returns true if the device is considered roaming on the current 379 * network, for GSM purposes. 380 * <p> 381 * Availability: Only when user registered to a network. 382 */ 383 public boolean isNetworkRoaming() { 384 return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); 385 } 386 387 /** 388 * Returns the ISO country code equivalent of the current registered 389 * operator's MCC (Mobile Country Code). 390 * <p> 391 * Availability: Only when user is registered to a network. Result may be 392 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 393 * on a CDMA network). 394 */ 395 public String getNetworkCountryIso() { 396 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY); 397 } 398 399 /** Network type is unknown */ 400 public static final int NETWORK_TYPE_UNKNOWN = 0; 401 /** Current network is GPRS */ 402 public static final int NETWORK_TYPE_GPRS = 1; 403 /** Current network is EDGE */ 404 public static final int NETWORK_TYPE_EDGE = 2; 405 /** Current network is UMTS */ 406 public static final int NETWORK_TYPE_UMTS = 3; 407 /** Current network is CDMA: Either IS95A or IS95B*/ 408 public static final int NETWORK_TYPE_CDMA = 4; 409 /** Current network is EVDO revision 0*/ 410 public static final int NETWORK_TYPE_EVDO_0 = 5; 411 /** Current network is EVDO revision A*/ 412 public static final int NETWORK_TYPE_EVDO_A = 6; 413 /** Current network is 1xRTT*/ 414 public static final int NETWORK_TYPE_1xRTT = 7; 415 /** Current network is HSDPA */ 416 public static final int NETWORK_TYPE_HSDPA = 8; 417 /** Current network is HSUPA */ 418 public static final int NETWORK_TYPE_HSUPA = 9; 419 /** Current network is HSPA */ 420 public static final int NETWORK_TYPE_HSPA = 10; 421 /** Current network is iDen */ 422 public static final int NETWORK_TYPE_IDEN = 11; 423 /** Current network is EVDO revision B*/ 424 public static final int NETWORK_TYPE_EVDO_B = 12; 425 /** Current network is LTE */ 426 public static final int NETWORK_TYPE_LTE = 13; 427 /** Current network is eHRPD */ 428 public static final int NETWORK_TYPE_EHRPD = 14; 429 /** Current network is HSPA+ */ 430 public static final int NETWORK_TYPE_HSPAP = 15; 431 432 /** 433 * Returns a constant indicating the radio technology (network type) 434 * currently in use on the device for data transmission. 435 * @return the network type 436 * 437 * @see #NETWORK_TYPE_UNKNOWN 438 * @see #NETWORK_TYPE_GPRS 439 * @see #NETWORK_TYPE_EDGE 440 * @see #NETWORK_TYPE_UMTS 441 * @see #NETWORK_TYPE_HSDPA 442 * @see #NETWORK_TYPE_HSUPA 443 * @see #NETWORK_TYPE_HSPA 444 * @see #NETWORK_TYPE_CDMA 445 * @see #NETWORK_TYPE_EVDO_0 446 * @see #NETWORK_TYPE_EVDO_A 447 * @see #NETWORK_TYPE_EVDO_B 448 * @see #NETWORK_TYPE_1xRTT 449 * @see #NETWORK_TYPE_IDEN 450 * @see #NETWORK_TYPE_LTE 451 * @see #NETWORK_TYPE_EHRPD 452 * @see #NETWORK_TYPE_HSPAP 453 */ 454 public int getNetworkType() { 455 try{ 456 ITelephony telephony = getITelephony(); 457 if (telephony != null) { 458 return telephony.getNetworkType(); 459 } else { 460 // This can happen when the ITelephony interface is not up yet. 461 return NETWORK_TYPE_UNKNOWN; 462 } 463 } catch(RemoteException ex) { 464 // This shouldn't happen in the normal case 465 return NETWORK_TYPE_UNKNOWN; 466 } catch (NullPointerException ex) { 467 // This could happen before phone restarts due to crashing 468 return NETWORK_TYPE_UNKNOWN; 469 } 470 } 471 472 /** 473 * Returns a string representation of the radio technology (network type) 474 * currently in use on the device. 475 * @return the name of the radio technology 476 * 477 * @hide pending API council review 478 */ 479 public String getNetworkTypeName() { 480 switch (getNetworkType()) { 481 case NETWORK_TYPE_GPRS: 482 return "GPRS"; 483 case NETWORK_TYPE_EDGE: 484 return "EDGE"; 485 case NETWORK_TYPE_UMTS: 486 return "UMTS"; 487 case NETWORK_TYPE_HSDPA: 488 return "HSDPA"; 489 case NETWORK_TYPE_HSUPA: 490 return "HSUPA"; 491 case NETWORK_TYPE_HSPA: 492 return "HSPA"; 493 case NETWORK_TYPE_CDMA: 494 return "CDMA"; 495 case NETWORK_TYPE_EVDO_0: 496 return "CDMA - EvDo rev. 0"; 497 case NETWORK_TYPE_EVDO_A: 498 return "CDMA - EvDo rev. A"; 499 case NETWORK_TYPE_EVDO_B: 500 return "CDMA - EvDo rev. B"; 501 case NETWORK_TYPE_1xRTT: 502 return "CDMA - 1xRTT"; 503 case NETWORK_TYPE_LTE: 504 return "LTE"; 505 case NETWORK_TYPE_EHRPD: 506 return "CDMA - eHRPD"; 507 case NETWORK_TYPE_IDEN: 508 return "iDEN"; 509 case NETWORK_TYPE_HSPAP: 510 return "HSPA+"; 511 default: 512 return "UNKNOWN"; 513 } 514 } 515 516 // 517 // 518 // SIM Card 519 // 520 // 521 522 /** SIM card state: Unknown. Signifies that the SIM is in transition 523 * between states. For example, when the user inputs the SIM pin 524 * under PIN_REQUIRED state, a query for sim status returns 525 * this state before turning to SIM_STATE_READY. */ 526 public static final int SIM_STATE_UNKNOWN = 0; 527 /** SIM card state: no SIM card is available in the device */ 528 public static final int SIM_STATE_ABSENT = 1; 529 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 530 public static final int SIM_STATE_PIN_REQUIRED = 2; 531 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 532 public static final int SIM_STATE_PUK_REQUIRED = 3; 533 /** SIM card state: Locked: requries a network PIN to unlock */ 534 public static final int SIM_STATE_NETWORK_LOCKED = 4; 535 /** SIM card state: Ready */ 536 public static final int SIM_STATE_READY = 5; 537 538 /** 539 * @return true if a ICC card is present 540 */ 541 public boolean hasIccCard() { 542 try { 543 return getITelephony().hasIccCard(); 544 } catch (RemoteException ex) { 545 // Assume no ICC card if remote exception which shouldn't happen 546 return false; 547 } catch (NullPointerException ex) { 548 // This could happen before phone restarts due to crashing 549 return false; 550 } 551 } 552 553 /** 554 * Returns a constant indicating the state of the 555 * device SIM card. 556 * 557 * @see #SIM_STATE_UNKNOWN 558 * @see #SIM_STATE_ABSENT 559 * @see #SIM_STATE_PIN_REQUIRED 560 * @see #SIM_STATE_PUK_REQUIRED 561 * @see #SIM_STATE_NETWORK_LOCKED 562 * @see #SIM_STATE_READY 563 */ 564 public int getSimState() { 565 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 566 if ("ABSENT".equals(prop)) { 567 return SIM_STATE_ABSENT; 568 } 569 else if ("PIN_REQUIRED".equals(prop)) { 570 return SIM_STATE_PIN_REQUIRED; 571 } 572 else if ("PUK_REQUIRED".equals(prop)) { 573 return SIM_STATE_PUK_REQUIRED; 574 } 575 else if ("NETWORK_LOCKED".equals(prop)) { 576 return SIM_STATE_NETWORK_LOCKED; 577 } 578 else if ("READY".equals(prop)) { 579 return SIM_STATE_READY; 580 } 581 else { 582 return SIM_STATE_UNKNOWN; 583 } 584 } 585 586 /** 587 * Returns the MCC+MNC (mobile country code + mobile network code) of the 588 * provider of the SIM. 5 or 6 decimal digits. 589 * <p> 590 * Availability: SIM state must be {@link #SIM_STATE_READY} 591 * 592 * @see #getSimState 593 */ 594 public String getSimOperator() { 595 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC); 596 } 597 598 /** 599 * Returns the Service Provider Name (SPN). 600 * <p> 601 * Availability: SIM state must be {@link #SIM_STATE_READY} 602 * 603 * @see #getSimState 604 */ 605 public String getSimOperatorName() { 606 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA); 607 } 608 609 /** 610 * Returns the ISO country code equivalent for the SIM provider's country code. 611 */ 612 public String getSimCountryIso() { 613 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY); 614 } 615 616 /** 617 * Returns the serial number of the SIM, if applicable. Return null if it is 618 * unavailable. 619 * <p> 620 * Requires Permission: 621 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 622 */ 623 public String getSimSerialNumber() { 624 try { 625 return getSubscriberInfo().getIccSerialNumber(); 626 } catch (RemoteException ex) { 627 return null; 628 } catch (NullPointerException ex) { 629 // This could happen before phone restarts due to crashing 630 return null; 631 } 632 } 633 634 /** 635 * Return if the current radio is LTE on CDMA. This 636 * is a tri-state return value as for a period of time 637 * the mode may be unknown. 638 * 639 * @return {@link Phone#LTE_ON_CDMA_UNKNOWN}, {@link Phone#LTE_ON_CDMA_FALSE} 640 * or {@link Phone#LTE_ON_CDMA_TRUE} 641 * 642 * @hide 643 */ 644 public int getLteOnCdmaMode() { 645 try { 646 return getITelephony().getLteOnCdmaMode(); 647 } catch (RemoteException ex) { 648 // Assume no ICC card if remote exception which shouldn't happen 649 return Phone.LTE_ON_CDMA_UNKNOWN; 650 } catch (NullPointerException ex) { 651 // This could happen before phone restarts due to crashing 652 return Phone.LTE_ON_CDMA_UNKNOWN; 653 } 654 } 655 656 // 657 // 658 // Subscriber Info 659 // 660 // 661 662 /** 663 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 664 * Return null if it is unavailable. 665 * <p> 666 * Requires Permission: 667 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 668 */ 669 public String getSubscriberId() { 670 try { 671 return getSubscriberInfo().getSubscriberId(); 672 } catch (RemoteException ex) { 673 return null; 674 } catch (NullPointerException ex) { 675 // This could happen before phone restarts due to crashing 676 return null; 677 } 678 } 679 680 /** 681 * Returns the phone number string for line 1, for example, the MSISDN 682 * for a GSM phone. Return null if it is unavailable. 683 * <p> 684 * Requires Permission: 685 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 686 */ 687 public String getLine1Number() { 688 try { 689 return getSubscriberInfo().getLine1Number(); 690 } catch (RemoteException ex) { 691 return null; 692 } catch (NullPointerException ex) { 693 // This could happen before phone restarts due to crashing 694 return null; 695 } 696 } 697 698 /** 699 * Returns the alphabetic identifier associated with the line 1 number. 700 * Return null if it is unavailable. 701 * <p> 702 * Requires Permission: 703 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 704 * @hide 705 * nobody seems to call this. 706 */ 707 public String getLine1AlphaTag() { 708 try { 709 return getSubscriberInfo().getLine1AlphaTag(); 710 } catch (RemoteException ex) { 711 return null; 712 } catch (NullPointerException ex) { 713 // This could happen before phone restarts due to crashing 714 return null; 715 } 716 } 717 718 /** 719 * Returns the voice mail number. Return null if it is unavailable. 720 * <p> 721 * Requires Permission: 722 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 723 */ 724 public String getVoiceMailNumber() { 725 try { 726 return getSubscriberInfo().getVoiceMailNumber(); 727 } catch (RemoteException ex) { 728 return null; 729 } catch (NullPointerException ex) { 730 // This could happen before phone restarts due to crashing 731 return null; 732 } 733 } 734 735 /** 736 * Returns the complete voice mail number. Return null if it is unavailable. 737 * <p> 738 * Requires Permission: 739 * {@link android.Manifest.permission#CALL_PRIVILEGED CALL_PRIVILEGED} 740 * 741 * @hide 742 */ 743 public String getCompleteVoiceMailNumber() { 744 try { 745 return getSubscriberInfo().getCompleteVoiceMailNumber(); 746 } catch (RemoteException ex) { 747 return null; 748 } catch (NullPointerException ex) { 749 // This could happen before phone restarts due to crashing 750 return null; 751 } 752 } 753 754 /** 755 * Returns the voice mail count. Return 0 if unavailable. 756 * <p> 757 * Requires Permission: 758 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 759 * @hide 760 */ 761 public int getVoiceMessageCount() { 762 try { 763 return getITelephony().getVoiceMessageCount(); 764 } catch (RemoteException ex) { 765 return 0; 766 } catch (NullPointerException ex) { 767 // This could happen before phone restarts due to crashing 768 return 0; 769 } 770 } 771 772 /** 773 * Retrieves the alphabetic identifier associated with the voice 774 * mail number. 775 * <p> 776 * Requires Permission: 777 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 778 */ 779 public String getVoiceMailAlphaTag() { 780 try { 781 return getSubscriberInfo().getVoiceMailAlphaTag(); 782 } catch (RemoteException ex) { 783 return null; 784 } catch (NullPointerException ex) { 785 // This could happen before phone restarts due to crashing 786 return null; 787 } 788 } 789 790 private IPhoneSubInfo getSubscriberInfo() { 791 // get it each time because that process crashes a lot 792 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 793 } 794 795 796 /** Device call state: No activity. */ 797 public static final int CALL_STATE_IDLE = 0; 798 /** Device call state: Ringing. A new call arrived and is 799 * ringing or waiting. In the latter case, another call is 800 * already active. */ 801 public static final int CALL_STATE_RINGING = 1; 802 /** Device call state: Off-hook. At least one call exists 803 * that is dialing, active, or on hold, and no calls are ringing 804 * or waiting. */ 805 public static final int CALL_STATE_OFFHOOK = 2; 806 807 /** 808 * Returns a constant indicating the call state (cellular) on the device. 809 */ 810 public int getCallState() { 811 try { 812 return getITelephony().getCallState(); 813 } catch (RemoteException ex) { 814 // the phone process is restarting. 815 return CALL_STATE_IDLE; 816 } catch (NullPointerException ex) { 817 // the phone process is restarting. 818 return CALL_STATE_IDLE; 819 } 820 } 821 822 /** Data connection activity: No traffic. */ 823 public static final int DATA_ACTIVITY_NONE = 0x00000000; 824 /** Data connection activity: Currently receiving IP PPP traffic. */ 825 public static final int DATA_ACTIVITY_IN = 0x00000001; 826 /** Data connection activity: Currently sending IP PPP traffic. */ 827 public static final int DATA_ACTIVITY_OUT = 0x00000002; 828 /** Data connection activity: Currently both sending and receiving 829 * IP PPP traffic. */ 830 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 831 /** 832 * Data connection is active, but physical link is down 833 */ 834 public static final int DATA_ACTIVITY_DORMANT = 0x00000004; 835 836 /** 837 * Returns a constant indicating the type of activity on a data connection 838 * (cellular). 839 * 840 * @see #DATA_ACTIVITY_NONE 841 * @see #DATA_ACTIVITY_IN 842 * @see #DATA_ACTIVITY_OUT 843 * @see #DATA_ACTIVITY_INOUT 844 * @see #DATA_ACTIVITY_DORMANT 845 */ 846 public int getDataActivity() { 847 try { 848 return getITelephony().getDataActivity(); 849 } catch (RemoteException ex) { 850 // the phone process is restarting. 851 return DATA_ACTIVITY_NONE; 852 } catch (NullPointerException ex) { 853 // the phone process is restarting. 854 return DATA_ACTIVITY_NONE; 855 } 856 } 857 858 /** Data connection state: Unknown. Used before we know the state. 859 * @hide 860 */ 861 public static final int DATA_UNKNOWN = -1; 862 /** Data connection state: Disconnected. IP traffic not available. */ 863 public static final int DATA_DISCONNECTED = 0; 864 /** Data connection state: Currently setting up a data connection. */ 865 public static final int DATA_CONNECTING = 1; 866 /** Data connection state: Connected. IP traffic should be available. */ 867 public static final int DATA_CONNECTED = 2; 868 /** Data connection state: Suspended. The connection is up, but IP 869 * traffic is temporarily unavailable. For example, in a 2G network, 870 * data activity may be suspended when a voice call arrives. */ 871 public static final int DATA_SUSPENDED = 3; 872 873 /** 874 * Returns a constant indicating the current data connection state 875 * (cellular). 876 * 877 * @see #DATA_DISCONNECTED 878 * @see #DATA_CONNECTING 879 * @see #DATA_CONNECTED 880 * @see #DATA_SUSPENDED 881 */ 882 public int getDataState() { 883 try { 884 return getITelephony().getDataState(); 885 } catch (RemoteException ex) { 886 // the phone process is restarting. 887 return DATA_DISCONNECTED; 888 } catch (NullPointerException ex) { 889 return DATA_DISCONNECTED; 890 } 891 } 892 893 private ITelephony getITelephony() { 894 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 895 } 896 897 // 898 // 899 // PhoneStateListener 900 // 901 // 902 903 /** 904 * Registers a listener object to receive notification of changes 905 * in specified telephony states. 906 * <p> 907 * To register a listener, pass a {@link PhoneStateListener} 908 * and specify at least one telephony state of interest in 909 * the events argument. 910 * 911 * At registration, and when a specified telephony state 912 * changes, the telephony manager invokes the appropriate 913 * callback method on the listener object and passes the 914 * current (udpated) values. 915 * <p> 916 * To unregister a listener, pass the listener object and set the 917 * events argument to 918 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 919 * 920 * @param listener The {@link PhoneStateListener} object to register 921 * (or unregister) 922 * @param events The telephony state(s) of interest to the listener, 923 * as a bitwise-OR combination of {@link PhoneStateListener} 924 * LISTEN_ flags. 925 */ 926 public void listen(PhoneStateListener listener, int events) { 927 String pkgForDebug = sContext != null ? sContext.getPackageName() : "<unknown>"; 928 try { 929 Boolean notifyNow = (getITelephony() != null); 930 sRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 931 } catch (RemoteException ex) { 932 // system process dead 933 } catch (NullPointerException ex) { 934 // system process dead 935 } 936 } 937 938 /** 939 * Returns the CDMA ERI icon index to display 940 * 941 * @hide 942 */ 943 public int getCdmaEriIconIndex() { 944 try { 945 return getITelephony().getCdmaEriIconIndex(); 946 } catch (RemoteException ex) { 947 // the phone process is restarting. 948 return -1; 949 } catch (NullPointerException ex) { 950 return -1; 951 } 952 } 953 954 /** 955 * Returns the CDMA ERI icon mode, 956 * 0 - ON 957 * 1 - FLASHING 958 * 959 * @hide 960 */ 961 public int getCdmaEriIconMode() { 962 try { 963 return getITelephony().getCdmaEriIconMode(); 964 } catch (RemoteException ex) { 965 // the phone process is restarting. 966 return -1; 967 } catch (NullPointerException ex) { 968 return -1; 969 } 970 } 971 972 /** 973 * Returns the CDMA ERI text, 974 * 975 * @hide 976 */ 977 public String getCdmaEriText() { 978 try { 979 return getITelephony().getCdmaEriText(); 980 } catch (RemoteException ex) { 981 // the phone process is restarting. 982 return null; 983 } catch (NullPointerException ex) { 984 return null; 985 } 986 } 987 988 /** 989 * @return true if the current device is "voice capable". 990 * <p> 991 * "Voice capable" means that this device supports circuit-switched 992 * (i.e. voice) phone calls over the telephony network, and is allowed 993 * to display the in-call UI while a cellular voice call is active. 994 * This will be false on "data only" devices which can't make voice 995 * calls and don't support any in-call UI. 996 * <p> 997 * Note: the meaning of this flag is subtly different from the 998 * PackageManager.FEATURE_TELEPHONY system feature, which is available 999 * on any device with a telephony radio, even if the device is 1000 * data-only. 1001 * 1002 * @hide pending API review 1003 */ 1004 public boolean isVoiceCapable() { 1005 if (sContext == null) return true; 1006 return sContext.getResources().getBoolean( 1007 com.android.internal.R.bool.config_voice_capable); 1008 } 1009 1010 /** 1011 * @return true if the current device supports sms service. 1012 * <p> 1013 * If true, this means that the device supports both sending and 1014 * receiving sms via the telephony network. 1015 * <p> 1016 * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are 1017 * disabled when device doesn't support sms. 1018 * 1019 * @hide pending API review 1020 */ 1021 public boolean isSmsCapable() { 1022 if (sContext == null) return true; 1023 return sContext.getResources().getBoolean( 1024 com.android.internal.R.bool.config_sms_capable); 1025 } 1026} 1027