TelephonyManager.java revision 58ed5d748c0b9b64845975ef5844ad313de7c3f6
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.PhoneConstants; 32import com.android.internal.telephony.RILConstants; 33import com.android.internal.telephony.TelephonyProperties; 34 35import java.io.FileInputStream; 36import java.io.IOException; 37import java.util.List; 38import java.util.regex.Matcher; 39import java.util.regex.Pattern; 40 41/** 42 * Provides access to information about the telephony services on 43 * the device. Applications can use the methods in this class to 44 * determine telephony services and states, as well as to access some 45 * types of subscriber information. Applications can also register 46 * a listener to receive notification of telephony state changes. 47 * <p> 48 * You do not instantiate this class directly; instead, you retrieve 49 * a reference to an instance through 50 * {@link android.content.Context#getSystemService 51 * Context.getSystemService(Context.TELEPHONY_SERVICE)}. 52 * <p> 53 * Note that access to some telephony information is 54 * permission-protected. Your application cannot access the protected 55 * information unless it has the appropriate permissions declared in 56 * its manifest file. Where permissions apply, they are noted in the 57 * the methods through which you access the protected information. 58 */ 59public class TelephonyManager { 60 private static final String TAG = "TelephonyManager"; 61 62 private static Context sContext; 63 private static ITelephonyRegistry sRegistry; 64 65 /** @hide */ 66 public TelephonyManager(Context context) { 67 if (sContext == null) { 68 Context appContext = context.getApplicationContext(); 69 if (appContext != null) { 70 sContext = appContext; 71 } else { 72 sContext = context; 73 } 74 75 sRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( 76 "telephony.registry")); 77 } 78 } 79 80 /** @hide */ 81 private TelephonyManager() { 82 } 83 84 private static TelephonyManager sInstance = new TelephonyManager(); 85 86 /** @hide 87 /* @deprecated - use getSystemService as described above */ 88 public static TelephonyManager getDefault() { 89 return sInstance; 90 } 91 92 /** {@hide} */ 93 public static TelephonyManager from(Context context) { 94 return (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 95 } 96 97 // 98 // Broadcast Intent actions 99 // 100 101 /** 102 * Broadcast intent action indicating that the call state (cellular) 103 * on the device has changed. 104 * 105 * <p> 106 * The {@link #EXTRA_STATE} extra indicates the new call state. 107 * If the new state is RINGING, a second extra 108 * {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as 109 * a String. 110 * 111 * <p class="note"> 112 * Requires the READ_PHONE_STATE permission. 113 * 114 * <p class="note"> 115 * This was a {@link android.content.Context#sendStickyBroadcast sticky} 116 * broadcast in version 1.0, but it is no longer sticky. 117 * Instead, use {@link #getCallState} to synchronously query the current call state. 118 * 119 * @see #EXTRA_STATE 120 * @see #EXTRA_INCOMING_NUMBER 121 * @see #getCallState 122 */ 123 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 124 public static final String ACTION_PHONE_STATE_CHANGED = 125 "android.intent.action.PHONE_STATE"; 126 127 /** 128 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 129 * for a String containing the new call state. 130 * 131 * @see #EXTRA_STATE_IDLE 132 * @see #EXTRA_STATE_RINGING 133 * @see #EXTRA_STATE_OFFHOOK 134 * 135 * <p class="note"> 136 * Retrieve with 137 * {@link android.content.Intent#getStringExtra(String)}. 138 */ 139 public static final String EXTRA_STATE = PhoneConstants.STATE_KEY; 140 141 /** 142 * Value used with {@link #EXTRA_STATE} corresponding to 143 * {@link #CALL_STATE_IDLE}. 144 */ 145 public static final String EXTRA_STATE_IDLE = PhoneConstants.State.IDLE.toString(); 146 147 /** 148 * Value used with {@link #EXTRA_STATE} corresponding to 149 * {@link #CALL_STATE_RINGING}. 150 */ 151 public static final String EXTRA_STATE_RINGING = PhoneConstants.State.RINGING.toString(); 152 153 /** 154 * Value used with {@link #EXTRA_STATE} corresponding to 155 * {@link #CALL_STATE_OFFHOOK}. 156 */ 157 public static final String EXTRA_STATE_OFFHOOK = PhoneConstants.State.OFFHOOK.toString(); 158 159 /** 160 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 161 * for a String containing the incoming phone number. 162 * Only valid when the new call state is RINGING. 163 * 164 * <p class="note"> 165 * Retrieve with 166 * {@link android.content.Intent#getStringExtra(String)}. 167 */ 168 public static final String EXTRA_INCOMING_NUMBER = "incoming_number"; 169 170 171 // 172 // 173 // Device Info 174 // 175 // 176 177 /** 178 * Returns the software version number for the device, for example, 179 * the IMEI/SV for GSM phones. Return null if the software version is 180 * not available. 181 * 182 * <p>Requires Permission: 183 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 184 */ 185 public String getDeviceSoftwareVersion() { 186 try { 187 return getSubscriberInfo().getDeviceSvn(); 188 } catch (RemoteException ex) { 189 return null; 190 } catch (NullPointerException ex) { 191 return null; 192 } 193 } 194 195 /** 196 * Returns the unique device ID, for example, the IMEI for GSM and the MEID 197 * or ESN for CDMA phones. Return null if device ID is not available. 198 * 199 * <p>Requires Permission: 200 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 201 */ 202 public String getDeviceId() { 203 try { 204 return getSubscriberInfo().getDeviceId(); 205 } catch (RemoteException ex) { 206 return null; 207 } catch (NullPointerException ex) { 208 return null; 209 } 210 } 211 212 /** 213 * Returns the current location of the device. 214 * Return null if current location is not available. 215 * 216 * <p>Requires Permission: 217 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or 218 * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_FINE_LOCATION}. 219 */ 220 public CellLocation getCellLocation() { 221 try { 222 Bundle bundle = getITelephony().getCellLocation(); 223 if (bundle.isEmpty()) return null; 224 CellLocation cl = CellLocation.newFromBundle(bundle); 225 if (cl.isEmpty()) 226 return null; 227 return cl; 228 } catch (RemoteException ex) { 229 return null; 230 } catch (NullPointerException ex) { 231 return null; 232 } 233 } 234 235 /** 236 * Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged 237 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 238 * 239 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 240 * CONTROL_LOCATION_UPDATES} 241 * 242 * @hide 243 */ 244 public void enableLocationUpdates() { 245 try { 246 getITelephony().enableLocationUpdates(); 247 } catch (RemoteException ex) { 248 } catch (NullPointerException ex) { 249 } 250 } 251 252 /** 253 * Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged 254 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 255 * 256 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 257 * CONTROL_LOCATION_UPDATES} 258 * 259 * @hide 260 */ 261 public void disableLocationUpdates() { 262 try { 263 getITelephony().disableLocationUpdates(); 264 } catch (RemoteException ex) { 265 } catch (NullPointerException ex) { 266 } 267 } 268 269 /** 270 * Returns the neighboring cell information of the device. 271 * 272 * @return List of NeighboringCellInfo or null if info unavailable. 273 * 274 * <p>Requires Permission: 275 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 276 */ 277 public List<NeighboringCellInfo> getNeighboringCellInfo() { 278 try { 279 return getITelephony().getNeighboringCellInfo(); 280 } catch (RemoteException ex) { 281 return null; 282 } catch (NullPointerException ex) { 283 return null; 284 } 285 } 286 287 /** No phone radio. */ 288 public static final int PHONE_TYPE_NONE = PhoneConstants.PHONE_TYPE_NONE; 289 /** Phone radio is GSM. */ 290 public static final int PHONE_TYPE_GSM = PhoneConstants.PHONE_TYPE_GSM; 291 /** Phone radio is CDMA. */ 292 public static final int PHONE_TYPE_CDMA = PhoneConstants.PHONE_TYPE_CDMA; 293 /** Phone is via SIP. */ 294 public static final int PHONE_TYPE_SIP = PhoneConstants.PHONE_TYPE_SIP; 295 296 /** 297 * Returns the current phone type. 298 * TODO: This is a last minute change and hence hidden. 299 * 300 * @see #PHONE_TYPE_NONE 301 * @see #PHONE_TYPE_GSM 302 * @see #PHONE_TYPE_CDMA 303 * @see #PHONE_TYPE_SIP 304 * 305 * {@hide} 306 */ 307 public int getCurrentPhoneType() { 308 try{ 309 ITelephony telephony = getITelephony(); 310 if (telephony != null) { 311 return telephony.getActivePhoneType(); 312 } else { 313 // This can happen when the ITelephony interface is not up yet. 314 return getPhoneTypeFromProperty(); 315 } 316 } catch (RemoteException ex) { 317 // This shouldn't happen in the normal case, as a backup we 318 // read from the system property. 319 return getPhoneTypeFromProperty(); 320 } catch (NullPointerException ex) { 321 // This shouldn't happen in the normal case, as a backup we 322 // read from the system property. 323 return getPhoneTypeFromProperty(); 324 } 325 } 326 327 /** 328 * Returns a constant indicating the device phone type. This 329 * indicates the type of radio used to transmit voice calls. 330 * 331 * @see #PHONE_TYPE_NONE 332 * @see #PHONE_TYPE_GSM 333 * @see #PHONE_TYPE_CDMA 334 * @see #PHONE_TYPE_SIP 335 */ 336 public int getPhoneType() { 337 if (!isVoiceCapable()) { 338 return PHONE_TYPE_NONE; 339 } 340 return getCurrentPhoneType(); 341 } 342 343 private int getPhoneTypeFromProperty() { 344 int type = 345 SystemProperties.getInt(TelephonyProperties.CURRENT_ACTIVE_PHONE, 346 getPhoneTypeFromNetworkType()); 347 return type; 348 } 349 350 private int getPhoneTypeFromNetworkType() { 351 // When the system property CURRENT_ACTIVE_PHONE, has not been set, 352 // use the system property for default network type. 353 // This is a fail safe, and can only happen at first boot. 354 int mode = SystemProperties.getInt("ro.telephony.default_network", -1); 355 if (mode == -1) 356 return PHONE_TYPE_NONE; 357 return getPhoneType(mode); 358 } 359 360 /** 361 * This function returns the type of the phone, depending 362 * on the network mode. 363 * 364 * @param network mode 365 * @return Phone Type 366 * 367 * @hide 368 */ 369 public static int getPhoneType(int networkMode) { 370 switch(networkMode) { 371 case RILConstants.NETWORK_MODE_CDMA: 372 case RILConstants.NETWORK_MODE_CDMA_NO_EVDO: 373 case RILConstants.NETWORK_MODE_EVDO_NO_CDMA: 374 return PhoneConstants.PHONE_TYPE_CDMA; 375 376 case RILConstants.NETWORK_MODE_WCDMA_PREF: 377 case RILConstants.NETWORK_MODE_GSM_ONLY: 378 case RILConstants.NETWORK_MODE_WCDMA_ONLY: 379 case RILConstants.NETWORK_MODE_GSM_UMTS: 380 return PhoneConstants.PHONE_TYPE_GSM; 381 382 // Use CDMA Phone for the global mode including CDMA 383 case RILConstants.NETWORK_MODE_GLOBAL: 384 case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO: 385 case RILConstants.NETWORK_MODE_LTE_CMDA_EVDO_GSM_WCDMA: 386 return PhoneConstants.PHONE_TYPE_CDMA; 387 388 case RILConstants.NETWORK_MODE_LTE_ONLY: 389 if (getLteOnCdmaModeStatic() == PhoneConstants.LTE_ON_CDMA_TRUE) { 390 return PhoneConstants.PHONE_TYPE_CDMA; 391 } else { 392 return PhoneConstants.PHONE_TYPE_GSM; 393 } 394 default: 395 return PhoneConstants.PHONE_TYPE_GSM; 396 } 397 } 398 399 /** 400 * The contents of the /proc/cmdline file 401 */ 402 private static String getProcCmdLine() 403 { 404 String cmdline = ""; 405 FileInputStream is = null; 406 try { 407 is = new FileInputStream("/proc/cmdline"); 408 byte [] buffer = new byte[2048]; 409 int count = is.read(buffer); 410 if (count > 0) { 411 cmdline = new String(buffer, 0, count); 412 } 413 } catch (IOException e) { 414 Log.d(TAG, "No /proc/cmdline exception=" + e); 415 } finally { 416 if (is != null) { 417 try { 418 is.close(); 419 } catch (IOException e) { 420 } 421 } 422 } 423 Log.d(TAG, "/proc/cmdline=" + cmdline); 424 return cmdline; 425 } 426 427 /** Kernel command line */ 428 private static final String sKernelCmdLine = getProcCmdLine(); 429 430 /** Pattern for selecting the product type from the kernel command line */ 431 private static final Pattern sProductTypePattern = 432 Pattern.compile("\\sproduct_type\\s*=\\s*(\\w+)"); 433 434 /** The ProductType used for LTE on CDMA devices */ 435 private static final String sLteOnCdmaProductType = 436 SystemProperties.get(TelephonyProperties.PROPERTY_LTE_ON_CDMA_PRODUCT_TYPE, ""); 437 438 /** 439 * Return if the current radio is LTE on CDMA. This 440 * is a tri-state return value as for a period of time 441 * the mode may be unknown. 442 * 443 * @return {@link PhoneConstants#LTE_ON_CDMA_UNKNOWN}, {@link PhoneConstants#LTE_ON_CDMA_FALSE} 444 * or {@link PhoneConstants#LTE_ON_CDMA_TRUE} 445 * 446 * @hide 447 */ 448 public static int getLteOnCdmaModeStatic() { 449 int retVal; 450 int curVal; 451 String productType = ""; 452 453 curVal = SystemProperties.getInt(TelephonyProperties.PROPERTY_LTE_ON_CDMA_DEVICE, 454 PhoneConstants.LTE_ON_CDMA_UNKNOWN); 455 retVal = curVal; 456 if (retVal == PhoneConstants.LTE_ON_CDMA_UNKNOWN) { 457 Matcher matcher = sProductTypePattern.matcher(sKernelCmdLine); 458 if (matcher.find()) { 459 productType = matcher.group(1); 460 if (sLteOnCdmaProductType.equals(productType)) { 461 retVal = PhoneConstants.LTE_ON_CDMA_TRUE; 462 } else { 463 retVal = PhoneConstants.LTE_ON_CDMA_FALSE; 464 } 465 } else { 466 retVal = PhoneConstants.LTE_ON_CDMA_FALSE; 467 } 468 } 469 470 Log.d(TAG, "getLteOnCdmaMode=" + retVal + " curVal=" + curVal + 471 " product_type='" + productType + 472 "' lteOnCdmaProductType='" + sLteOnCdmaProductType + "'"); 473 return retVal; 474 } 475 476 // 477 // 478 // Current Network 479 // 480 // 481 482 /** 483 * Returns the alphabetic name of current registered operator. 484 * <p> 485 * Availability: Only when user is registered to a network. Result may be 486 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 487 * on a CDMA network). 488 */ 489 public String getNetworkOperatorName() { 490 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA); 491 } 492 493 /** 494 * Returns the numeric name (MCC+MNC) of current registered operator. 495 * <p> 496 * Availability: Only when user is registered to a network. Result may be 497 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 498 * on a CDMA network). 499 */ 500 public String getNetworkOperator() { 501 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); 502 } 503 504 /** 505 * Returns true if the device is considered roaming on the current 506 * network, for GSM purposes. 507 * <p> 508 * Availability: Only when user registered to a network. 509 */ 510 public boolean isNetworkRoaming() { 511 return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); 512 } 513 514 /** 515 * Returns the ISO country code equivalent of the current registered 516 * operator's MCC (Mobile Country Code). 517 * <p> 518 * Availability: Only when user is registered to a network. Result may be 519 * unreliable on CDMA networks (use {@link #getPhoneType()} to determine if 520 * on a CDMA network). 521 */ 522 public String getNetworkCountryIso() { 523 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY); 524 } 525 526 /** Network type is unknown */ 527 public static final int NETWORK_TYPE_UNKNOWN = 0; 528 /** Current network is GPRS */ 529 public static final int NETWORK_TYPE_GPRS = 1; 530 /** Current network is EDGE */ 531 public static final int NETWORK_TYPE_EDGE = 2; 532 /** Current network is UMTS */ 533 public static final int NETWORK_TYPE_UMTS = 3; 534 /** Current network is CDMA: Either IS95A or IS95B*/ 535 public static final int NETWORK_TYPE_CDMA = 4; 536 /** Current network is EVDO revision 0*/ 537 public static final int NETWORK_TYPE_EVDO_0 = 5; 538 /** Current network is EVDO revision A*/ 539 public static final int NETWORK_TYPE_EVDO_A = 6; 540 /** Current network is 1xRTT*/ 541 public static final int NETWORK_TYPE_1xRTT = 7; 542 /** Current network is HSDPA */ 543 public static final int NETWORK_TYPE_HSDPA = 8; 544 /** Current network is HSUPA */ 545 public static final int NETWORK_TYPE_HSUPA = 9; 546 /** Current network is HSPA */ 547 public static final int NETWORK_TYPE_HSPA = 10; 548 /** Current network is iDen */ 549 public static final int NETWORK_TYPE_IDEN = 11; 550 /** Current network is EVDO revision B*/ 551 public static final int NETWORK_TYPE_EVDO_B = 12; 552 /** Current network is LTE */ 553 public static final int NETWORK_TYPE_LTE = 13; 554 /** Current network is eHRPD */ 555 public static final int NETWORK_TYPE_EHRPD = 14; 556 /** Current network is HSPA+ */ 557 public static final int NETWORK_TYPE_HSPAP = 15; 558 559 /** 560 * Returns a constant indicating the radio technology (network type) 561 * currently in use on the device for data transmission. 562 * @return the network type 563 * 564 * @see #NETWORK_TYPE_UNKNOWN 565 * @see #NETWORK_TYPE_GPRS 566 * @see #NETWORK_TYPE_EDGE 567 * @see #NETWORK_TYPE_UMTS 568 * @see #NETWORK_TYPE_HSDPA 569 * @see #NETWORK_TYPE_HSUPA 570 * @see #NETWORK_TYPE_HSPA 571 * @see #NETWORK_TYPE_CDMA 572 * @see #NETWORK_TYPE_EVDO_0 573 * @see #NETWORK_TYPE_EVDO_A 574 * @see #NETWORK_TYPE_EVDO_B 575 * @see #NETWORK_TYPE_1xRTT 576 * @see #NETWORK_TYPE_IDEN 577 * @see #NETWORK_TYPE_LTE 578 * @see #NETWORK_TYPE_EHRPD 579 * @see #NETWORK_TYPE_HSPAP 580 */ 581 public int getNetworkType() { 582 try{ 583 ITelephony telephony = getITelephony(); 584 if (telephony != null) { 585 return telephony.getNetworkType(); 586 } else { 587 // This can happen when the ITelephony interface is not up yet. 588 return NETWORK_TYPE_UNKNOWN; 589 } 590 } catch(RemoteException ex) { 591 // This shouldn't happen in the normal case 592 return NETWORK_TYPE_UNKNOWN; 593 } catch (NullPointerException ex) { 594 // This could happen before phone restarts due to crashing 595 return NETWORK_TYPE_UNKNOWN; 596 } 597 } 598 599 /** Unknown network class. {@hide} */ 600 public static final int NETWORK_CLASS_UNKNOWN = 0; 601 /** Class of broadly defined "2G" networks. {@hide} */ 602 public static final int NETWORK_CLASS_2_G = 1; 603 /** Class of broadly defined "3G" networks. {@hide} */ 604 public static final int NETWORK_CLASS_3_G = 2; 605 /** Class of broadly defined "4G" networks. {@hide} */ 606 public static final int NETWORK_CLASS_4_G = 3; 607 608 /** 609 * Return general class of network type, such as "3G" or "4G". In cases 610 * where classification is contentious, this method is conservative. 611 * 612 * @hide 613 */ 614 public static int getNetworkClass(int networkType) { 615 switch (networkType) { 616 case NETWORK_TYPE_GPRS: 617 case NETWORK_TYPE_EDGE: 618 case NETWORK_TYPE_CDMA: 619 case NETWORK_TYPE_1xRTT: 620 case NETWORK_TYPE_IDEN: 621 return NETWORK_CLASS_2_G; 622 case NETWORK_TYPE_UMTS: 623 case NETWORK_TYPE_EVDO_0: 624 case NETWORK_TYPE_EVDO_A: 625 case NETWORK_TYPE_HSDPA: 626 case NETWORK_TYPE_HSUPA: 627 case NETWORK_TYPE_HSPA: 628 case NETWORK_TYPE_EVDO_B: 629 case NETWORK_TYPE_EHRPD: 630 case NETWORK_TYPE_HSPAP: 631 return NETWORK_CLASS_3_G; 632 case NETWORK_TYPE_LTE: 633 return NETWORK_CLASS_4_G; 634 default: 635 return NETWORK_CLASS_UNKNOWN; 636 } 637 } 638 639 /** 640 * Returns a string representation of the radio technology (network type) 641 * currently in use on the device. 642 * @return the name of the radio technology 643 * 644 * @hide pending API council review 645 */ 646 public String getNetworkTypeName() { 647 return getNetworkTypeName(getNetworkType()); 648 } 649 650 /** {@hide} */ 651 public static String getNetworkTypeName(int type) { 652 switch (type) { 653 case NETWORK_TYPE_GPRS: 654 return "GPRS"; 655 case NETWORK_TYPE_EDGE: 656 return "EDGE"; 657 case NETWORK_TYPE_UMTS: 658 return "UMTS"; 659 case NETWORK_TYPE_HSDPA: 660 return "HSDPA"; 661 case NETWORK_TYPE_HSUPA: 662 return "HSUPA"; 663 case NETWORK_TYPE_HSPA: 664 return "HSPA"; 665 case NETWORK_TYPE_CDMA: 666 return "CDMA"; 667 case NETWORK_TYPE_EVDO_0: 668 return "CDMA - EvDo rev. 0"; 669 case NETWORK_TYPE_EVDO_A: 670 return "CDMA - EvDo rev. A"; 671 case NETWORK_TYPE_EVDO_B: 672 return "CDMA - EvDo rev. B"; 673 case NETWORK_TYPE_1xRTT: 674 return "CDMA - 1xRTT"; 675 case NETWORK_TYPE_LTE: 676 return "LTE"; 677 case NETWORK_TYPE_EHRPD: 678 return "CDMA - eHRPD"; 679 case NETWORK_TYPE_IDEN: 680 return "iDEN"; 681 case NETWORK_TYPE_HSPAP: 682 return "HSPA+"; 683 default: 684 return "UNKNOWN"; 685 } 686 } 687 688 // 689 // 690 // SIM Card 691 // 692 // 693 694 /** SIM card state: Unknown. Signifies that the SIM is in transition 695 * between states. For example, when the user inputs the SIM pin 696 * under PIN_REQUIRED state, a query for sim status returns 697 * this state before turning to SIM_STATE_READY. */ 698 public static final int SIM_STATE_UNKNOWN = 0; 699 /** SIM card state: no SIM card is available in the device */ 700 public static final int SIM_STATE_ABSENT = 1; 701 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 702 public static final int SIM_STATE_PIN_REQUIRED = 2; 703 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 704 public static final int SIM_STATE_PUK_REQUIRED = 3; 705 /** SIM card state: Locked: requries a network PIN to unlock */ 706 public static final int SIM_STATE_NETWORK_LOCKED = 4; 707 /** SIM card state: Ready */ 708 public static final int SIM_STATE_READY = 5; 709 710 /** 711 * @return true if a ICC card is present 712 */ 713 public boolean hasIccCard() { 714 try { 715 return getITelephony().hasIccCard(); 716 } catch (RemoteException ex) { 717 // Assume no ICC card if remote exception which shouldn't happen 718 return false; 719 } catch (NullPointerException ex) { 720 // This could happen before phone restarts due to crashing 721 return false; 722 } 723 } 724 725 /** 726 * Returns a constant indicating the state of the 727 * device SIM card. 728 * 729 * @see #SIM_STATE_UNKNOWN 730 * @see #SIM_STATE_ABSENT 731 * @see #SIM_STATE_PIN_REQUIRED 732 * @see #SIM_STATE_PUK_REQUIRED 733 * @see #SIM_STATE_NETWORK_LOCKED 734 * @see #SIM_STATE_READY 735 */ 736 public int getSimState() { 737 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 738 if ("ABSENT".equals(prop)) { 739 return SIM_STATE_ABSENT; 740 } 741 else if ("PIN_REQUIRED".equals(prop)) { 742 return SIM_STATE_PIN_REQUIRED; 743 } 744 else if ("PUK_REQUIRED".equals(prop)) { 745 return SIM_STATE_PUK_REQUIRED; 746 } 747 else if ("NETWORK_LOCKED".equals(prop)) { 748 return SIM_STATE_NETWORK_LOCKED; 749 } 750 else if ("READY".equals(prop)) { 751 return SIM_STATE_READY; 752 } 753 else { 754 return SIM_STATE_UNKNOWN; 755 } 756 } 757 758 /** 759 * Returns the MCC+MNC (mobile country code + mobile network code) of the 760 * provider of the SIM. 5 or 6 decimal digits. 761 * <p> 762 * Availability: SIM state must be {@link #SIM_STATE_READY} 763 * 764 * @see #getSimState 765 */ 766 public String getSimOperator() { 767 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_NUMERIC); 768 } 769 770 /** 771 * Returns the Service Provider Name (SPN). 772 * <p> 773 * Availability: SIM state must be {@link #SIM_STATE_READY} 774 * 775 * @see #getSimState 776 */ 777 public String getSimOperatorName() { 778 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ALPHA); 779 } 780 781 /** 782 * Returns the ISO country code equivalent for the SIM provider's country code. 783 */ 784 public String getSimCountryIso() { 785 return SystemProperties.get(TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY); 786 } 787 788 /** 789 * Returns the serial number of the SIM, if applicable. Return null if it is 790 * unavailable. 791 * <p> 792 * Requires Permission: 793 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 794 */ 795 public String getSimSerialNumber() { 796 try { 797 return getSubscriberInfo().getIccSerialNumber(); 798 } catch (RemoteException ex) { 799 return null; 800 } catch (NullPointerException ex) { 801 // This could happen before phone restarts due to crashing 802 return null; 803 } 804 } 805 806 /** 807 * Return if the current radio is LTE on CDMA. This 808 * is a tri-state return value as for a period of time 809 * the mode may be unknown. 810 * 811 * @return {@link Phone#LTE_ON_CDMA_UNKNOWN}, {@link Phone#LTE_ON_CDMA_FALSE} 812 * or {@link Phone#LTE_ON_CDMA_TRUE} 813 * 814 * @hide 815 */ 816 public int getLteOnCdmaMode() { 817 try { 818 return getITelephony().getLteOnCdmaMode(); 819 } catch (RemoteException ex) { 820 // Assume no ICC card if remote exception which shouldn't happen 821 return PhoneConstants.LTE_ON_CDMA_UNKNOWN; 822 } catch (NullPointerException ex) { 823 // This could happen before phone restarts due to crashing 824 return PhoneConstants.LTE_ON_CDMA_UNKNOWN; 825 } 826 } 827 828 // 829 // 830 // Subscriber Info 831 // 832 // 833 834 /** 835 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 836 * Return null if it is unavailable. 837 * <p> 838 * Requires Permission: 839 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 840 */ 841 public String getSubscriberId() { 842 try { 843 return getSubscriberInfo().getSubscriberId(); 844 } catch (RemoteException ex) { 845 return null; 846 } catch (NullPointerException ex) { 847 // This could happen before phone restarts due to crashing 848 return null; 849 } 850 } 851 852 /** 853 * Returns the phone number string for line 1, for example, the MSISDN 854 * for a GSM phone. Return null if it is unavailable. 855 * <p> 856 * Requires Permission: 857 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 858 */ 859 public String getLine1Number() { 860 try { 861 return getSubscriberInfo().getLine1Number(); 862 } catch (RemoteException ex) { 863 return null; 864 } catch (NullPointerException ex) { 865 // This could happen before phone restarts due to crashing 866 return null; 867 } 868 } 869 870 /** 871 * Returns the alphabetic identifier associated with the line 1 number. 872 * Return null if it is unavailable. 873 * <p> 874 * Requires Permission: 875 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 876 * @hide 877 * nobody seems to call this. 878 */ 879 public String getLine1AlphaTag() { 880 try { 881 return getSubscriberInfo().getLine1AlphaTag(); 882 } catch (RemoteException ex) { 883 return null; 884 } catch (NullPointerException ex) { 885 // This could happen before phone restarts due to crashing 886 return null; 887 } 888 } 889 890 /** 891 * Returns the MSISDN string. 892 * for a GSM phone. Return null if it is unavailable. 893 * <p> 894 * Requires Permission: 895 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 896 * 897 * @hide 898 */ 899 public String getMsisdn() { 900 try { 901 return getSubscriberInfo().getMsisdn(); 902 } catch (RemoteException ex) { 903 return null; 904 } catch (NullPointerException ex) { 905 // This could happen before phone restarts due to crashing 906 return null; 907 } 908 } 909 910 /** 911 * Returns the voice mail number. Return null if it is unavailable. 912 * <p> 913 * Requires Permission: 914 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 915 */ 916 public String getVoiceMailNumber() { 917 try { 918 return getSubscriberInfo().getVoiceMailNumber(); 919 } catch (RemoteException ex) { 920 return null; 921 } catch (NullPointerException ex) { 922 // This could happen before phone restarts due to crashing 923 return null; 924 } 925 } 926 927 /** 928 * Returns the complete voice mail number. Return null if it is unavailable. 929 * <p> 930 * Requires Permission: 931 * {@link android.Manifest.permission#CALL_PRIVILEGED CALL_PRIVILEGED} 932 * 933 * @hide 934 */ 935 public String getCompleteVoiceMailNumber() { 936 try { 937 return getSubscriberInfo().getCompleteVoiceMailNumber(); 938 } catch (RemoteException ex) { 939 return null; 940 } catch (NullPointerException ex) { 941 // This could happen before phone restarts due to crashing 942 return null; 943 } 944 } 945 946 /** 947 * Returns the voice mail count. Return 0 if unavailable. 948 * <p> 949 * Requires Permission: 950 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 951 * @hide 952 */ 953 public int getVoiceMessageCount() { 954 try { 955 return getITelephony().getVoiceMessageCount(); 956 } catch (RemoteException ex) { 957 return 0; 958 } catch (NullPointerException ex) { 959 // This could happen before phone restarts due to crashing 960 return 0; 961 } 962 } 963 964 /** 965 * Retrieves the alphabetic identifier associated with the voice 966 * mail number. 967 * <p> 968 * Requires Permission: 969 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 970 */ 971 public String getVoiceMailAlphaTag() { 972 try { 973 return getSubscriberInfo().getVoiceMailAlphaTag(); 974 } catch (RemoteException ex) { 975 return null; 976 } catch (NullPointerException ex) { 977 // This could happen before phone restarts due to crashing 978 return null; 979 } 980 } 981 982 /** 983 * Returns the IMS private user identity (IMPI) that was loaded from the ISIM. 984 * @return the IMPI, or null if not present or not loaded 985 * @hide 986 */ 987 public String getIsimImpi() { 988 try { 989 return getSubscriberInfo().getIsimImpi(); 990 } catch (RemoteException ex) { 991 return null; 992 } catch (NullPointerException ex) { 993 // This could happen before phone restarts due to crashing 994 return null; 995 } 996 } 997 998 /** 999 * Returns the IMS home network domain name that was loaded from the ISIM. 1000 * @return the IMS domain name, or null if not present or not loaded 1001 * @hide 1002 */ 1003 public String getIsimDomain() { 1004 try { 1005 return getSubscriberInfo().getIsimDomain(); 1006 } catch (RemoteException ex) { 1007 return null; 1008 } catch (NullPointerException ex) { 1009 // This could happen before phone restarts due to crashing 1010 return null; 1011 } 1012 } 1013 1014 /** 1015 * Returns the IMS public user identities (IMPU) that were loaded from the ISIM. 1016 * @return an array of IMPU strings, with one IMPU per string, or null if 1017 * not present or not loaded 1018 * @hide 1019 */ 1020 public String[] getIsimImpu() { 1021 try { 1022 return getSubscriberInfo().getIsimImpu(); 1023 } catch (RemoteException ex) { 1024 return null; 1025 } catch (NullPointerException ex) { 1026 // This could happen before phone restarts due to crashing 1027 return null; 1028 } 1029 } 1030 1031 private IPhoneSubInfo getSubscriberInfo() { 1032 // get it each time because that process crashes a lot 1033 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 1034 } 1035 1036 1037 /** Device call state: No activity. */ 1038 public static final int CALL_STATE_IDLE = 0; 1039 /** Device call state: Ringing. A new call arrived and is 1040 * ringing or waiting. In the latter case, another call is 1041 * already active. */ 1042 public static final int CALL_STATE_RINGING = 1; 1043 /** Device call state: Off-hook. At least one call exists 1044 * that is dialing, active, or on hold, and no calls are ringing 1045 * or waiting. */ 1046 public static final int CALL_STATE_OFFHOOK = 2; 1047 1048 /** 1049 * Returns a constant indicating the call state (cellular) on the device. 1050 */ 1051 public int getCallState() { 1052 try { 1053 return getITelephony().getCallState(); 1054 } catch (RemoteException ex) { 1055 // the phone process is restarting. 1056 return CALL_STATE_IDLE; 1057 } catch (NullPointerException ex) { 1058 // the phone process is restarting. 1059 return CALL_STATE_IDLE; 1060 } 1061 } 1062 1063 /** Data connection activity: No traffic. */ 1064 public static final int DATA_ACTIVITY_NONE = 0x00000000; 1065 /** Data connection activity: Currently receiving IP PPP traffic. */ 1066 public static final int DATA_ACTIVITY_IN = 0x00000001; 1067 /** Data connection activity: Currently sending IP PPP traffic. */ 1068 public static final int DATA_ACTIVITY_OUT = 0x00000002; 1069 /** Data connection activity: Currently both sending and receiving 1070 * IP PPP traffic. */ 1071 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 1072 /** 1073 * Data connection is active, but physical link is down 1074 */ 1075 public static final int DATA_ACTIVITY_DORMANT = 0x00000004; 1076 1077 /** 1078 * Returns a constant indicating the type of activity on a data connection 1079 * (cellular). 1080 * 1081 * @see #DATA_ACTIVITY_NONE 1082 * @see #DATA_ACTIVITY_IN 1083 * @see #DATA_ACTIVITY_OUT 1084 * @see #DATA_ACTIVITY_INOUT 1085 * @see #DATA_ACTIVITY_DORMANT 1086 */ 1087 public int getDataActivity() { 1088 try { 1089 return getITelephony().getDataActivity(); 1090 } catch (RemoteException ex) { 1091 // the phone process is restarting. 1092 return DATA_ACTIVITY_NONE; 1093 } catch (NullPointerException ex) { 1094 // the phone process is restarting. 1095 return DATA_ACTIVITY_NONE; 1096 } 1097 } 1098 1099 /** Data connection state: Unknown. Used before we know the state. 1100 * @hide 1101 */ 1102 public static final int DATA_UNKNOWN = -1; 1103 /** Data connection state: Disconnected. IP traffic not available. */ 1104 public static final int DATA_DISCONNECTED = 0; 1105 /** Data connection state: Currently setting up a data connection. */ 1106 public static final int DATA_CONNECTING = 1; 1107 /** Data connection state: Connected. IP traffic should be available. */ 1108 public static final int DATA_CONNECTED = 2; 1109 /** Data connection state: Suspended. The connection is up, but IP 1110 * traffic is temporarily unavailable. For example, in a 2G network, 1111 * data activity may be suspended when a voice call arrives. */ 1112 public static final int DATA_SUSPENDED = 3; 1113 1114 /** 1115 * Returns a constant indicating the current data connection state 1116 * (cellular). 1117 * 1118 * @see #DATA_DISCONNECTED 1119 * @see #DATA_CONNECTING 1120 * @see #DATA_CONNECTED 1121 * @see #DATA_SUSPENDED 1122 */ 1123 public int getDataState() { 1124 try { 1125 return getITelephony().getDataState(); 1126 } catch (RemoteException ex) { 1127 // the phone process is restarting. 1128 return DATA_DISCONNECTED; 1129 } catch (NullPointerException ex) { 1130 return DATA_DISCONNECTED; 1131 } 1132 } 1133 1134 private ITelephony getITelephony() { 1135 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 1136 } 1137 1138 // 1139 // 1140 // PhoneStateListener 1141 // 1142 // 1143 1144 /** 1145 * Registers a listener object to receive notification of changes 1146 * in specified telephony states. 1147 * <p> 1148 * To register a listener, pass a {@link PhoneStateListener} 1149 * and specify at least one telephony state of interest in 1150 * the events argument. 1151 * 1152 * At registration, and when a specified telephony state 1153 * changes, the telephony manager invokes the appropriate 1154 * callback method on the listener object and passes the 1155 * current (udpated) values. 1156 * <p> 1157 * To unregister a listener, pass the listener object and set the 1158 * events argument to 1159 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 1160 * 1161 * @param listener The {@link PhoneStateListener} object to register 1162 * (or unregister) 1163 * @param events The telephony state(s) of interest to the listener, 1164 * as a bitwise-OR combination of {@link PhoneStateListener} 1165 * LISTEN_ flags. 1166 */ 1167 public void listen(PhoneStateListener listener, int events) { 1168 String pkgForDebug = sContext != null ? sContext.getPackageName() : "<unknown>"; 1169 try { 1170 Boolean notifyNow = (getITelephony() != null); 1171 sRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 1172 } catch (RemoteException ex) { 1173 // system process dead 1174 } catch (NullPointerException ex) { 1175 // system process dead 1176 } 1177 } 1178 1179 /** 1180 * Returns the CDMA ERI icon index to display 1181 * 1182 * @hide 1183 */ 1184 public int getCdmaEriIconIndex() { 1185 try { 1186 return getITelephony().getCdmaEriIconIndex(); 1187 } catch (RemoteException ex) { 1188 // the phone process is restarting. 1189 return -1; 1190 } catch (NullPointerException ex) { 1191 return -1; 1192 } 1193 } 1194 1195 /** 1196 * Returns the CDMA ERI icon mode, 1197 * 0 - ON 1198 * 1 - FLASHING 1199 * 1200 * @hide 1201 */ 1202 public int getCdmaEriIconMode() { 1203 try { 1204 return getITelephony().getCdmaEriIconMode(); 1205 } catch (RemoteException ex) { 1206 // the phone process is restarting. 1207 return -1; 1208 } catch (NullPointerException ex) { 1209 return -1; 1210 } 1211 } 1212 1213 /** 1214 * Returns the CDMA ERI text, 1215 * 1216 * @hide 1217 */ 1218 public String getCdmaEriText() { 1219 try { 1220 return getITelephony().getCdmaEriText(); 1221 } catch (RemoteException ex) { 1222 // the phone process is restarting. 1223 return null; 1224 } catch (NullPointerException ex) { 1225 return null; 1226 } 1227 } 1228 1229 /** 1230 * @return true if the current device is "voice capable". 1231 * <p> 1232 * "Voice capable" means that this device supports circuit-switched 1233 * (i.e. voice) phone calls over the telephony network, and is allowed 1234 * to display the in-call UI while a cellular voice call is active. 1235 * This will be false on "data only" devices which can't make voice 1236 * calls and don't support any in-call UI. 1237 * <p> 1238 * Note: the meaning of this flag is subtly different from the 1239 * PackageManager.FEATURE_TELEPHONY system feature, which is available 1240 * on any device with a telephony radio, even if the device is 1241 * data-only. 1242 * 1243 * @hide pending API review 1244 */ 1245 public boolean isVoiceCapable() { 1246 if (sContext == null) return true; 1247 return sContext.getResources().getBoolean( 1248 com.android.internal.R.bool.config_voice_capable); 1249 } 1250 1251 /** 1252 * @return true if the current device supports sms service. 1253 * <p> 1254 * If true, this means that the device supports both sending and 1255 * receiving sms via the telephony network. 1256 * <p> 1257 * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are 1258 * disabled when device doesn't support sms. 1259 * 1260 * @hide pending API review 1261 */ 1262 public boolean isSmsCapable() { 1263 if (sContext == null) return true; 1264 return sContext.getResources().getBoolean( 1265 com.android.internal.R.bool.config_sms_capable); 1266 } 1267 1268 /** 1269 * Returns all observed cell information of the device. 1270 * 1271 * @return List of CellInfo or null if info unavailable. 1272 * 1273 * <p>Requires Permission: 1274 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 1275 */ 1276 public List<CellInfo> getAllCellInfo() { 1277 try { 1278 return getITelephony().getAllCellInfo(); 1279 } catch (RemoteException ex) { 1280 return null; 1281 } catch (NullPointerException ex) { 1282 return null; 1283 } 1284 } 1285} 1286