TelephonyManager.java revision e9b06d754af03faf27012fbed1e7559ec1ba7c79
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 com.android.internal.telephony.*; 20 21import java.util.ArrayList; 22import java.util.List; 23 24import android.annotation.SdkConstant.SdkConstantType; 25import android.annotation.SdkConstant; 26import android.content.Context; 27import android.os.Bundle; 28import android.os.RemoteException; 29import android.os.ServiceManager; 30import android.os.SystemProperties; 31import android.telephony.CellLocation; 32 33import com.android.internal.telephony.IPhoneSubInfo; 34import com.android.internal.telephony.ITelephony; 35import com.android.internal.telephony.ITelephonyRegistry; 36import com.android.internal.telephony.RILConstants; 37import com.android.internal.telephony.TelephonyProperties; 38 39/** 40 * Provides access to information about the telephony services on 41 * the device. Applications can use the methods in this class to 42 * determine telephony services and states, as well as to access some 43 * types of subscriber information. Applications can also register 44 * a listener to receive notification of telephony state changes. 45 * <p> 46 * You do not instantiate this class directly; instead, you retrieve 47 * a reference to an instance through 48 * {@link android.content.Context#getSystemService 49 * Context.getSystemService(Context.TELEPHONY_SERVICE)}. 50 * <p> 51 * Note that acess to some telephony information is 52 * permission-protected. Your application cannot access the protected 53 * information unless it has the appropriate permissions declared in 54 * its manifest file. Where permissions apply, they are noted in the 55 * the methods through which you access the protected information. 56 */ 57public class TelephonyManager { 58 private static final String TAG = "TelephonyManager"; 59 60 private Context mContext; 61 private ITelephonyRegistry mRegistry; 62 63 /** @hide */ 64 public TelephonyManager(Context context) { 65 mContext = context; 66 mRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( 67 "telephony.registry")); 68 } 69 70 /** @hide */ 71 private TelephonyManager() { 72 } 73 74 private static TelephonyManager sInstance = new TelephonyManager(); 75 76 /** @hide */ 77 public static TelephonyManager getDefault() { 78 return sInstance; 79 } 80 81 82 // 83 // Broadcast Intent actions 84 // 85 86 /** 87 * Broadcast intent action indicating that the call state (cellular) 88 * on the device has changed. 89 * 90 * <p> 91 * The {@link #EXTRA_STATE} extra indicates the new call state. 92 * If the new state is RINGING, a second extra 93 * {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as 94 * a String. 95 * 96 * <p class="note"> 97 * Requires the READ_PHONE_STATE permission. 98 * 99 * <p class="note"> 100 * This was a {@link android.content.Context#sendStickyBroadcast sticky} 101 * broadcast in version 1.0, but it is no longer sticky. 102 * Instead, use {@link #getCallState} to synchronously query the current call state. 103 * 104 * @see #EXTRA_STATE 105 * @see #EXTRA_INCOMING_NUMBER 106 * @see #getCallState 107 */ 108 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 109 public static final String ACTION_PHONE_STATE_CHANGED = 110 "android.intent.action.PHONE_STATE"; 111 112 /** 113 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 114 * for a String containing the new call state. 115 * 116 * @see #EXTRA_STATE_IDLE 117 * @see #EXTRA_STATE_RINGING 118 * @see #EXTRA_STATE_OFFHOOK 119 * 120 * <p class="note"> 121 * Retrieve with 122 * {@link android.content.Intent#getStringExtra(String)}. 123 */ 124 public static final String EXTRA_STATE = Phone.STATE_KEY; 125 126 /** 127 * Value used with {@link #EXTRA_STATE} corresponding to 128 * {@link #CALL_STATE_IDLE}. 129 */ 130 public static final String EXTRA_STATE_IDLE = Phone.State.IDLE.toString(); 131 132 /** 133 * Value used with {@link #EXTRA_STATE} corresponding to 134 * {@link #CALL_STATE_RINGING}. 135 */ 136 public static final String EXTRA_STATE_RINGING = Phone.State.RINGING.toString(); 137 138 /** 139 * Value used with {@link #EXTRA_STATE} corresponding to 140 * {@link #CALL_STATE_OFFHOOK}. 141 */ 142 public static final String EXTRA_STATE_OFFHOOK = Phone.State.OFFHOOK.toString(); 143 144 /** 145 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 146 * for a String containing the incoming phone number. 147 * Only valid when the new call state is RINGING. 148 * 149 * <p class="note"> 150 * Retrieve with 151 * {@link android.content.Intent#getStringExtra(String)}. 152 */ 153 public static final String EXTRA_INCOMING_NUMBER = "incoming_number"; 154 155 156 // 157 // 158 // Device Info 159 // 160 // 161 162 /** 163 * Returns the software version number for the device, for example, 164 * the IMEI/SV for GSM phones. 165 * 166 * <p>Requires Permission: 167 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 168 */ 169 public String getDeviceSoftwareVersion() { 170 try { 171 return getSubscriberInfo().getDeviceSvn(); 172 } catch (RemoteException ex) { 173 } 174 return null; 175 } 176 177 /** 178 * Returns the unique device ID, for example, the IMEI for GSM and the MEID for CDMA 179 * phones. 180 * 181 * <p>Requires Permission: 182 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 183 */ 184 public String getDeviceId() { 185 try { 186 return getSubscriberInfo().getDeviceId(); 187 } catch (RemoteException ex) { 188 } 189 return null; 190 } 191 192 /** 193 * Returns the current location of the device. 194 * 195 * <p>Requires Permission: {@link android.Manifest.permission#ACCESS_COARSE_LOCATION 196 * ACCESS_COARSE_LOCATION}. 197 */ 198 public CellLocation getCellLocation() { 199 try { 200 Bundle bundle = getITelephony().getCellLocation(); 201 return CellLocation.newFromBundle(bundle); 202 } catch (RemoteException ex) { 203 } 204 return null; 205 } 206 207 /** 208 * Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged 209 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 210 * 211 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 212 * CONTROL_LOCATION_UPDATES} 213 * 214 * @hide 215 */ 216 public void enableLocationUpdates() { 217 try { 218 getITelephony().enableLocationUpdates(); 219 } catch (RemoteException ex) { 220 } 221 } 222 223 /** 224 * Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged 225 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 226 * 227 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 228 * CONTROL_LOCATION_UPDATES} 229 * 230 * @hide 231 */ 232 public void disableLocationUpdates() { 233 try { 234 getITelephony().disableLocationUpdates(); 235 } catch (RemoteException ex) { 236 } 237 } 238 239 /** 240 * Returns the neighboring cell information of the device. 241 * 242 * @return List of NeighboringCellInfo or null if info unavailable. 243 * 244 * <p>Requires Permission: 245 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 246 */ 247 public List<NeighboringCellInfo> getNeighboringCellInfo() { 248 try { 249 return getITelephony().getNeighboringCellInfo(); 250 } catch (RemoteException ex) { 251 } 252 return null; 253 254 } 255 256 /** 257 * No phone module 258 */ 259 public static final int PHONE_TYPE_NONE = 0; 260 261 /** 262 * GSM phone 263 */ 264 public static final int PHONE_TYPE_GSM = 1; 265 266 /** 267 * CDMA phone 268 * @hide 269 */ 270 public static final int PHONE_TYPE_CDMA = 2; 271 272 /** 273 * Returns a constant indicating the device phone type. 274 * 275 * @see #PHONE_TYPE_NONE 276 * @see #PHONE_TYPE_GSM 277 * @see #PHONE_TYPE_CDMA 278 */ 279 public int getPhoneType() { 280 try{ 281 if(getITelephony().getActivePhoneType() == RILConstants.CDMA_PHONE) { 282 return PHONE_TYPE_CDMA; 283 } else { 284 return PHONE_TYPE_GSM; 285 } 286 }catch(RemoteException ex){ 287 return PHONE_TYPE_NONE; 288 } 289 } 290 291 // 292 // 293 // Current Network 294 // 295 // 296 297 /** 298 * Returns the alphabetic name of current registered operator. 299 * <p> 300 * Availability: Only when user is registered to a network 301 */ 302 public String getNetworkOperatorName() { 303 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA); 304 } 305 306 /** 307 * Returns the numeric name (MCC+MNC) of current registered operator. 308 * <p> 309 * Availability: Only when user is registered to a network 310 */ 311 public String getNetworkOperator() { 312 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); 313 } 314 315 /** 316 * Returns true if the device is considered roaming on the current 317 * network, for GSM purposes. 318 * <p> 319 * Availability: Only when user registered to a network 320 */ 321 public boolean isNetworkRoaming() { 322 return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); 323 } 324 325 /** 326 * Returns the ISO country code equivilent of the current registered 327 * operator's MCC (Mobile Country Code). 328 * <p> 329 * Availability: Only when user is registered to a network 330 */ 331 public String getNetworkCountryIso() { 332 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY); 333 } 334 335 /** Network type is unknown */ 336 public static final int NETWORK_TYPE_UNKNOWN = 0; 337 /** Current network is GPRS */ 338 public static final int NETWORK_TYPE_GPRS = 1; 339 /** Current network is EDGE */ 340 public static final int NETWORK_TYPE_EDGE = 2; 341 /** Current network is UMTS */ 342 public static final int NETWORK_TYPE_UMTS = 3; 343 /** Current network is CDMA: Either IS95A or IS95B*/ 344 /** @hide */ 345 public static final int NETWORK_TYPE_CDMA = 4; 346 /** Current network is EVDO revision 0 or revision A*/ 347 /** @hide */ 348 public static final int NETWORK_TYPE_EVDO_0 = 5; 349 /** @hide */ 350 public static final int NETWORK_TYPE_EVDO_A = 6; 351 /** Current network is 1xRTT*/ 352 /** @hide */ 353 public static final int NETWORK_TYPE_1xRTT = 7; 354 355 /** 356 * Returns a constant indicating the radio technology (network type) 357 * currently in use on the device. 358 * @return the network type 359 * 360 * @see #NETWORK_TYPE_UNKNOWN 361 * @see #NETWORK_TYPE_GPRS 362 * @see #NETWORK_TYPE_EDGE 363 * @see #NETWORK_TYPE_UMTS 364 * @see #NETWORK_TYPE_CDMA 365 * @see #NETWORK_TYPE_EVDO_0 366 * @see #NETWORK_TYPE_EVDO_A 367 * @see #NETWORK_TYPE_1xRTT 368 */ 369 public int getNetworkType() { 370 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE); 371 if ("GPRS".equals(prop)) { 372 return NETWORK_TYPE_GPRS; 373 } 374 else if ("EDGE".equals(prop)) { 375 return NETWORK_TYPE_EDGE; 376 } 377 else if ("UMTS".equals(prop)) { 378 return NETWORK_TYPE_UMTS; 379 } 380 else if ("CDMA".equals(prop)) { 381 return NETWORK_TYPE_CDMA; 382 } 383 else if ("CDMA - EvDo rev. 0".equals(prop)) { 384 return NETWORK_TYPE_EVDO_0; 385 } 386 else if ("CDMA - EvDo rev. A".equals(prop)) { 387 return NETWORK_TYPE_EVDO_A; 388 } 389 else if ("CDMA - 1xRTT".equals(prop)) { 390 return NETWORK_TYPE_1xRTT; 391 } 392 else { 393 return NETWORK_TYPE_UNKNOWN; 394 } 395 } 396 397 /** 398 * Returns a string representation of the radio technology (network type) 399 * currently in use on the device. 400 * @return the name of the radio technology 401 * 402 * @hide pending API council review 403 */ 404 public String getNetworkTypeName() { 405 switch (getNetworkType()) { 406 case NETWORK_TYPE_GPRS: 407 return "GPRS"; 408 case NETWORK_TYPE_EDGE: 409 return "EDGE"; 410 case NETWORK_TYPE_UMTS: 411 return "UMTS"; 412 case NETWORK_TYPE_CDMA: 413 return "CDMA"; 414 case NETWORK_TYPE_EVDO_0: 415 return "CDMA - EvDo rev. 0"; 416 case NETWORK_TYPE_EVDO_A: 417 return "CDMA - EvDo rev. A"; 418 case NETWORK_TYPE_1xRTT: 419 return "CDMA - 1xRTT"; 420 default: 421 return "UNKNOWN"; 422 } 423 } 424 425 // 426 // 427 // SIM Card 428 // 429 // 430 431 /** SIM card state: Unknown. Signifies that the SIM is in transition 432 * between states. For example, when the user inputs the SIM pin 433 * under PIN_REQUIRED state, a query for sim status returns 434 * this state before turning to SIM_STATE_READY. */ 435 public static final int SIM_STATE_UNKNOWN = 0; 436 /** SIM card state: no SIM card is available in the device */ 437 public static final int SIM_STATE_ABSENT = 1; 438 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 439 public static final int SIM_STATE_PIN_REQUIRED = 2; 440 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 441 public static final int SIM_STATE_PUK_REQUIRED = 3; 442 /** SIM card state: Locked: requries a network PIN to unlock */ 443 public static final int SIM_STATE_NETWORK_LOCKED = 4; 444 /** SIM card state: Ready */ 445 public static final int SIM_STATE_READY = 5; 446 447 /** 448 * Returns a constant indicating the state of the 449 * device SIM card. 450 * 451 * @see #SIM_STATE_UNKNOWN 452 * @see #SIM_STATE_ABSENT 453 * @see #SIM_STATE_PIN_REQUIRED 454 * @see #SIM_STATE_PUK_REQUIRED 455 * @see #SIM_STATE_NETWORK_LOCKED 456 * @see #SIM_STATE_READY 457 */ 458 public int getSimState() { 459 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 460 if ("ABSENT".equals(prop)) { 461 return SIM_STATE_ABSENT; 462 } 463 else if ("PIN_REQUIRED".equals(prop)) { 464 return SIM_STATE_PIN_REQUIRED; 465 } 466 else if ("PUK_REQUIRED".equals(prop)) { 467 return SIM_STATE_PUK_REQUIRED; 468 } 469 else if ("NETWORK_LOCKED".equals(prop)) { 470 return SIM_STATE_NETWORK_LOCKED; 471 } 472 else if ("READY".equals(prop)) { 473 return SIM_STATE_READY; 474 } 475 else { 476 return SIM_STATE_UNKNOWN; 477 } 478 } 479 480 /** 481 * Returns the MCC+MNC (mobile country code + mobile network code) of the 482 * provider of the SIM. 5 or 6 decimal digits. 483 * <p> 484 * Availability: SIM state must be {@link #SIM_STATE_READY} 485 * 486 * @see #getSimState 487 */ 488 public String getSimOperator() { 489 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC); 490 } 491 492 /** 493 * Returns the Service Provider Name (SPN). 494 * <p> 495 * Availability: SIM state must be {@link #SIM_STATE_READY} 496 * 497 * @see #getSimState 498 */ 499 public String getSimOperatorName() { 500 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA); 501 } 502 503 /** 504 * Returns the ISO country code equivalent for the SIM provider's country code. 505 */ 506 public String getSimCountryIso() { 507 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY); 508 } 509 510 /** 511 * Returns the serial number of the SIM, if applicable. 512 * <p> 513 * Requires Permission: 514 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 515 */ 516 public String getSimSerialNumber() { 517 try { 518 return getSubscriberInfo().getIccSerialNumber(); 519 } catch (RemoteException ex) { 520 } 521 return null; 522 } 523 524 // 525 // 526 // Subscriber Info 527 // 528 // 529 530 /** 531 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 532 * <p> 533 * Requires Permission: 534 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 535 */ 536 public String getSubscriberId() { 537 try { 538 return getSubscriberInfo().getSubscriberId(); 539 } catch (RemoteException ex) { 540 } 541 return null; 542 } 543 544 /** 545 * Returns the phone number string for line 1, for example, the MSISDN 546 * for a GSM phone. 547 * <p> 548 * Requires Permission: 549 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 550 */ 551 public String getLine1Number() { 552 try { 553 return getSubscriberInfo().getLine1Number(); 554 } catch (RemoteException ex) { 555 } 556 return null; 557 } 558 559 /** 560 * Returns the alphabetic identifier associated with the line 1 number. 561 * <p> 562 * Requires Permission: 563 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 564 * @hide 565 * nobody seems to call this. 566 */ 567 public String getLine1AlphaTag() { 568 try { 569 return getSubscriberInfo().getLine1AlphaTag(); 570 } catch (RemoteException ex) { 571 } 572 return null; 573 } 574 575 /** 576 * Returns the voice mail number. 577 * <p> 578 * Requires Permission: 579 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 580 */ 581 public String getVoiceMailNumber() { 582 try { 583 return getSubscriberInfo().getVoiceMailNumber(); 584 } catch (RemoteException ex) { 585 } 586 return null; 587 } 588 589 /** 590 * Retrieves the alphabetic identifier associated with the voice 591 * mail number. 592 * <p> 593 * Requires Permission: 594 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 595 */ 596 public String getVoiceMailAlphaTag() { 597 try { 598 return getSubscriberInfo().getVoiceMailAlphaTag(); 599 } catch (RemoteException ex) { 600 } 601 return null; 602 } 603 604 private IPhoneSubInfo getSubscriberInfo() { 605 // get it each time because that process crashes a lot 606 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 607 } 608 609 610 /** Device call state: No activity. */ 611 public static final int CALL_STATE_IDLE = 0; 612 /** Device call state: Ringing. A new call arrived and is 613 * ringing or waiting. In the latter case, another call is 614 * already active. */ 615 public static final int CALL_STATE_RINGING = 1; 616 /** Device call state: Off-hook. At least one call exists 617 * that is dialing, active, or on hold, and no calls are ringing 618 * or waiting. */ 619 public static final int CALL_STATE_OFFHOOK = 2; 620 621 /** 622 * Returns a constant indicating the call state (cellular) on the device. 623 */ 624 public int getCallState() { 625 try { 626 return getITelephony().getCallState(); 627 } catch (RemoteException ex) { 628 // the phone process is restarting. 629 return CALL_STATE_IDLE; 630 } 631 } 632 633 /** Data connection activity: No traffic. */ 634 public static final int DATA_ACTIVITY_NONE = 0x00000000; 635 /** Data connection activity: Currently receiving IP PPP traffic. */ 636 public static final int DATA_ACTIVITY_IN = 0x00000001; 637 /** Data connection activity: Currently sending IP PPP traffic. */ 638 public static final int DATA_ACTIVITY_OUT = 0x00000002; 639 /** Data connection activity: Currently both sending and receiving 640 * IP PPP traffic. */ 641 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 642 /** Data connection is active, but physical link is down */ 643 /** @hide */ 644 public static final int DATA_ACTIVITY_DORMANT = 0x00000004; 645 646 /** 647 * Returns a constant indicating the type of activity on a data connection 648 * (cellular). 649 * 650 * @see #DATA_ACTIVITY_NONE 651 * @see #DATA_ACTIVITY_IN 652 * @see #DATA_ACTIVITY_OUT 653 * @see #DATA_ACTIVITY_INOUT 654 * @see #DATA_ACTIVITY_DORMANT 655 */ 656 public int getDataActivity() { 657 try { 658 return getITelephony().getDataActivity(); 659 } catch (RemoteException ex) { 660 // the phone process is restarting. 661 return DATA_ACTIVITY_NONE; 662 } 663 } 664 665 /** Data connection state: Disconnected. IP traffic not available. */ 666 public static final int DATA_DISCONNECTED = 0; 667 /** Data connection state: Currently setting up a data connection. */ 668 public static final int DATA_CONNECTING = 1; 669 /** Data connection state: Connected. IP traffic should be available. */ 670 public static final int DATA_CONNECTED = 2; 671 /** Data connection state: Suspended. The connection is up, but IP 672 * traffic is temporarily unavailable. For example, in a 2G network, 673 * data activity may be suspended when a voice call arrives. */ 674 public static final int DATA_SUSPENDED = 3; 675 676 /** 677 * Returns a constant indicating the current data connection state 678 * (cellular). 679 * 680 * @see #DATA_DISCONNECTED 681 * @see #DATA_CONNECTING 682 * @see #DATA_CONNECTED 683 * @see #DATA_SUSPENDED 684 */ 685 public int getDataState() { 686 try { 687 return getITelephony().getDataState(); 688 } catch (RemoteException ex) { 689 // the phone process is restarting. 690 return DATA_DISCONNECTED; 691 } 692 } 693 694 private ITelephony getITelephony() { 695 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 696 } 697 698 // 699 // 700 // PhoneStateListener 701 // 702 // 703 704 /** 705 * Registers a listener object to receive notification of changes 706 * in specified telephony states. 707 * <p> 708 * To register a listener, pass a {@link PhoneStateListener} 709 * and specify at least one telephony state of interest in 710 * the events argument. 711 * 712 * At registration, and when a specified telephony state 713 * changes, the telephony manager invokes the appropriate 714 * callback method on the listener object and passes the 715 * current (udpated) values. 716 * <p> 717 * To unregister a listener, pass the listener object and set the 718 * events argument to 719 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 720 * 721 * @param listener The {@link PhoneStateListener} object to register 722 * (or unregister) 723 * @param events The telephony state(s) of interest to the listener, 724 * as a bitwise-OR combination of {@link PhoneStateListener} 725 * LISTEN_ flags. 726 */ 727 public void listen(PhoneStateListener listener, int events) { 728 String pkgForDebug = mContext != null ? mContext.getPackageName() : "<unknown>"; 729 try { 730 Boolean notifyNow = (getITelephony() != null); 731 mRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 732 } catch (RemoteException ex) { 733 // system process dead 734 } 735 } 736 737 /** 738 * Returns the CDMA ERI icon index to display 739 * 740 * @hide 741 */ 742 public int getCdmaEriIconIndex() { 743 try { 744 return getITelephony().getCdmaEriIconIndex(); 745 } catch (RemoteException ex) { 746 // the phone process is restarting. 747 return -1; 748 } 749 } 750 751 /** 752 * Returns the CDMA ERI icon mode, 753 * 0 - ON 754 * 1 - FLASHING 755 * 756 * @hide 757 */ 758 public int getCdmaEriIconMode() { 759 try { 760 return getITelephony().getCdmaEriIconMode(); 761 } catch (RemoteException ex) { 762 // the phone process is restarting. 763 return -1; 764 } 765 } 766 767 /** 768 * Returns the CDMA ERI text, 769 * 770 * @hide 771 */ 772 public String getCdmaEriText() { 773 try { 774 return getITelephony().getCdmaEriText(); 775 } catch (RemoteException ex) { 776 // the phone process is restarting. 777 return null; 778 } 779 } 780} 781