TelephonyManager.java revision d24b8183b93e781080b2c16c487e60d51c12da31
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; 31 32 33/** 34 * Provides access to information about the telephony services on 35 * the device. Applications can use the methods in this class to 36 * determine telephony services and states, as well as to access some 37 * types of subscriber information. Applications can also register 38 * a listener to receive notification of telephony state changes. 39 * <p> 40 * You do not instantiate this class directly; instead, you retrieve 41 * a reference to an instance through 42 * {@link android.content.Context#getSystemService 43 * Context.getSystemService(Context.TELEPHONY_SERVICE)}. 44 * <p> 45 * Note that acess to some telephony information is 46 * permission-protected. Your application cannot access the protected 47 * information unless it has the appropriate permissions declared in 48 * its manifest file. Where permissions apply, they are noted in the 49 * the methods through which you access the protected information. 50 */ 51public class TelephonyManager { 52 private static final String TAG = "TelephonyManager"; 53 54 private Context mContext; 55 private ITelephonyRegistry mRegistry; 56 57 /** @hide */ 58 public TelephonyManager(Context context) { 59 mContext = context; 60 mRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( 61 "telephony.registry")); 62 } 63 64 /** @hide */ 65 private TelephonyManager() { 66 } 67 68 private static TelephonyManager sInstance = new TelephonyManager(); 69 70 /** @hide */ 71 public static TelephonyManager getDefault() { 72 return sInstance; 73 } 74 75 76 // 77 // Broadcast Intent actions 78 // 79 80 /** 81 * Broadcast intent action indicating that the call state (cellular) 82 * on the device has changed. 83 * 84 * <p> 85 * The {@link #EXTRA_STATE} extra indicates the new call state. 86 * If the new state is RINGING, a second extra 87 * {@link #EXTRA_INCOMING_NUMBER} provides the incoming phone number as 88 * a String. 89 * 90 * <p class="note"> 91 * Requires the READ_PHONE_STATE permission. 92 * 93 * <p class="note"> 94 * This was a {@link android.content.Context#sendStickyBroadcast sticky} 95 * broadcast in version 1.0, but it is no longer sticky. 96 * Instead, use {@link #getCallState} to synchronously query the current call state. 97 * 98 * @see #EXTRA_STATE 99 * @see #EXTRA_INCOMING_NUMBER 100 * @see #getCallState 101 * 102 * @hide pending API Council approval 103 */ 104 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 105 public static final String ACTION_PHONE_STATE_CHANGED = 106 "android.intent.action.PHONE_STATE"; 107 108 /** 109 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 110 * for a String containing the new call state. 111 * 112 * @see #EXTRA_STATE_IDLE 113 * @see #EXTRA_STATE_RINGING 114 * @see #EXTRA_STATE_OFFHOOK 115 * 116 * <p class="note"> 117 * Retrieve with 118 * {@link android.content.Intent#getStringExtra(String)}. 119 * 120 * @hide pending API Council approval 121 */ 122 public static final String EXTRA_STATE = Phone.STATE_KEY; 123 124 /** 125 * Value used with {@link #EXTRA_STATE} corresponding to 126 * {@link #CALL_STATE_IDLE}. 127 * 128 * @hide pending API Council approval 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 * @hide pending API Council approval 137 */ 138 public static final String EXTRA_STATE_RINGING = Phone.State.RINGING.toString(); 139 140 /** 141 * Value used with {@link #EXTRA_STATE} corresponding to 142 * {@link #CALL_STATE_OFFHOOK}. 143 * 144 * @hide pending API Council approval 145 */ 146 public static final String EXTRA_STATE_OFFHOOK = Phone.State.OFFHOOK.toString(); 147 148 /** 149 * The lookup key used with the {@link #ACTION_PHONE_STATE_CHANGED} broadcast 150 * for a String containing the incoming phone number. 151 * Only valid when the new call state is RINGING. 152 * 153 * <p class="note"> 154 * Retrieve with 155 * {@link android.content.Intent#getStringExtra(String)}. 156 * 157 * @hide pending API Council approval 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. 171 * 172 * <p>Requires Permission: 173 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 174 */ 175 public String getDeviceSoftwareVersion() { 176 try { 177 return getSubscriberInfo().getDeviceSvn(); 178 } catch (RemoteException ex) { 179 } 180 return null; 181 } 182 183 /** 184 * Returns the unique device ID, for example,the IMEI for GSM 185 * phones. 186 * 187 * <p>Requires Permission: 188 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 189 */ 190 public String getDeviceId() { 191 try { 192 return getSubscriberInfo().getDeviceId(); 193 } catch (RemoteException ex) { 194 } 195 return null; 196 } 197 198 /** 199 * Returns the current location of the device. 200 * 201 * <p>Requires Permission: {@link android.Manifest.permission#ACCESS_COARSE_LOCATION 202 * ACCESS_COARSE_LOCATION}. 203 */ 204 public CellLocation getCellLocation() { 205 try { 206 Bundle bundle = getITelephony().getCellLocation(); 207 return CellLocation.newFromBundle(bundle); 208 } catch (RemoteException ex) { 209 } 210 return null; 211 } 212 213 /** 214 * Enables location update notifications. {@link PhoneStateListener#onCellLocationChanged 215 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 216 * 217 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 218 * CONTROL_LOCATION_UPDATES} 219 * 220 * @hide 221 */ 222 public void enableLocationUpdates() { 223 try { 224 getITelephony().enableLocationUpdates(); 225 } catch (RemoteException ex) { 226 } 227 } 228 229 /** 230 * Disables location update notifications. {@link PhoneStateListener#onCellLocationChanged 231 * PhoneStateListener.onCellLocationChanged} will be called on location updates. 232 * 233 * <p>Requires Permission: {@link android.Manifest.permission#CONTROL_LOCATION_UPDATES 234 * CONTROL_LOCATION_UPDATES} 235 * 236 * @hide 237 */ 238 public void disableLocationUpdates() { 239 try { 240 getITelephony().disableLocationUpdates(); 241 } catch (RemoteException ex) { 242 } 243 } 244 245 /** 246 * Returns the neighboring cell information of the device. 247 * 248 * @return List of NeighboringCellInfo or null if info unavailable. 249 * 250 * <p>Requires Permission: 251 * (@link android.Manifest.permission#ACCESS_COARSE_UPDATES} 252 */ 253 public List<NeighboringCellInfo> getNeighboringCellInfo() { 254 try { 255 return getITelephony().getNeighboringCellInfo(); 256 } catch (RemoteException ex) { 257 } 258 return null; 259 260 } 261 262 /** 263 * No phone module 264 */ 265 public static final int PHONE_TYPE_NONE = 0; 266 267 /** 268 * GSM phone 269 */ 270 public static final int PHONE_TYPE_GSM = 1; 271 272 /** 273 * Returns a constant indicating the device phone type. 274 * 275 * @see #PHONE_TYPE_NONE 276 * @see #PHONE_TYPE_GSM 277 */ 278 public int getPhoneType() { 279 // in the future, we should really check this 280 return PHONE_TYPE_GSM; 281 } 282 283 // 284 // 285 // Current Network 286 // 287 // 288 289 /** 290 * Returns the alphabetic name of current registered operator. 291 * <p> 292 * Availability: Only when user is registered to a network 293 */ 294 public String getNetworkOperatorName() { 295 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ALPHA); 296 } 297 298 /** 299 * Returns the numeric name (MCC+MNC) of current registered operator. 300 * <p> 301 * Availability: Only when user is registered to a network 302 */ 303 public String getNetworkOperator() { 304 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); 305 } 306 307 /** 308 * Returns true if the device is considered roaming on the current 309 * network, for GSM purposes. 310 * <p> 311 * Availability: Only when user registered to a network 312 */ 313 public boolean isNetworkRoaming() { 314 return "true".equals(SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); 315 } 316 317 /** 318 * Returns the ISO country code equivilent of the current registered 319 * operator's MCC (Mobile Country Code). 320 * <p> 321 * Availability: Only when user is registered to a network 322 */ 323 public String getNetworkCountryIso() { 324 return SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY); 325 } 326 327 /** Network type is unknown */ 328 public static final int NETWORK_TYPE_UNKNOWN = 0; 329 /** Current network is GPRS */ 330 public static final int NETWORK_TYPE_GPRS = 1; 331 /** Current network is EDGE */ 332 public static final int NETWORK_TYPE_EDGE = 2; 333 /** Current network is UMTS */ 334 public static final int NETWORK_TYPE_UMTS = 3; 335 336 /** 337 * Returns a constant indicating the radio technology (network type) 338 * currently in use on the device. 339 * @return the network type 340 * 341 * @see #NETWORK_TYPE_UNKNOWN 342 * @see #NETWORK_TYPE_GPRS 343 * @see #NETWORK_TYPE_EDGE 344 * @see #NETWORK_TYPE_UMTS 345 */ 346 public int getNetworkType() { 347 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE); 348 if ("GPRS".equals(prop)) { 349 return NETWORK_TYPE_GPRS; 350 } 351 else if ("EDGE".equals(prop)) { 352 return NETWORK_TYPE_EDGE; 353 } 354 else if ("UMTS".equals(prop)) { 355 return NETWORK_TYPE_UMTS; 356 } 357 else { 358 return NETWORK_TYPE_UNKNOWN; 359 } 360 } 361 362 /** 363 * Returns a string representation of the radio technology (network type) 364 * currently in use on the device. 365 * @return the name of the radio technology 366 * 367 * @hide pending API council review 368 */ 369 public String getNetworkTypeName() { 370 switch (getNetworkType()) { 371 case NETWORK_TYPE_GPRS: 372 return "GPRS"; 373 case NETWORK_TYPE_EDGE: 374 return "EDGE"; 375 case NETWORK_TYPE_UMTS: 376 return "UMTS"; 377 default: 378 return "UNKNOWN"; 379 } 380 } 381 382 // 383 // 384 // SIM Card 385 // 386 // 387 388 /** SIM card state: Unknown. Signifies that the SIM is in transition 389 * between states. For example, when the user inputs the SIM pin 390 * under PIN_REQUIRED state, a query for sim status returns 391 * this state before turning to SIM_STATE_READY. */ 392 public static final int SIM_STATE_UNKNOWN = 0; 393 /** SIM card state: no SIM card is available in the device */ 394 public static final int SIM_STATE_ABSENT = 1; 395 /** SIM card state: Locked: requires the user's SIM PIN to unlock */ 396 public static final int SIM_STATE_PIN_REQUIRED = 2; 397 /** SIM card state: Locked: requires the user's SIM PUK to unlock */ 398 public static final int SIM_STATE_PUK_REQUIRED = 3; 399 /** SIM card state: Locked: requries a network PIN to unlock */ 400 public static final int SIM_STATE_NETWORK_LOCKED = 4; 401 /** SIM card state: Ready */ 402 public static final int SIM_STATE_READY = 5; 403 404 /** 405 * Returns a constant indicating the state of the 406 * device SIM card. 407 * 408 * @see #SIM_STATE_UNKNOWN 409 * @see #SIM_STATE_ABSENT 410 * @see #SIM_STATE_PIN_REQUIRED 411 * @see #SIM_STATE_PUK_REQUIRED 412 * @see #SIM_STATE_NETWORK_LOCKED 413 * @see #SIM_STATE_READY 414 */ 415 public int getSimState() { 416 String prop = SystemProperties.get(TelephonyProperties.PROPERTY_SIM_STATE); 417 if ("ABSENT".equals(prop)) { 418 return SIM_STATE_ABSENT; 419 } 420 else if ("PIN_REQUIRED".equals(prop)) { 421 return SIM_STATE_PIN_REQUIRED; 422 } 423 else if ("PUK_REQUIRED".equals(prop)) { 424 return SIM_STATE_PUK_REQUIRED; 425 } 426 else if ("NETWORK_LOCKED".equals(prop)) { 427 return SIM_STATE_NETWORK_LOCKED; 428 } 429 else if ("READY".equals(prop)) { 430 return SIM_STATE_READY; 431 } 432 else { 433 return SIM_STATE_UNKNOWN; 434 } 435 } 436 437 /** 438 * Returns the MCC+MNC (mobile country code + mobile network code) of the 439 * provider of the SIM. 5 or 6 decimal digits. 440 * <p> 441 * Availability: SIM state must be {@link #SIM_STATE_READY} 442 * 443 * @see #getSimState 444 */ 445 public String getSimOperator() { 446 return SystemProperties.get(TelephonyProperties.PROPERTY_SIM_OPERATOR_NUMERIC); 447 } 448 449 /** 450 * Returns the Service Provider Name (SPN). 451 * <p> 452 * Availability: SIM state must be {@link #SIM_STATE_READY} 453 * 454 * @see #getSimState 455 */ 456 public String getSimOperatorName() { 457 return SystemProperties.get(TelephonyProperties.PROPERTY_SIM_OPERATOR_ALPHA); 458 } 459 460 /** 461 * Returns the ISO country code equivalent for the SIM provider's country code. 462 */ 463 public String getSimCountryIso() { 464 return SystemProperties.get(TelephonyProperties.PROPERTY_SIM_OPERATOR_ISO_COUNTRY); 465 } 466 467 /** 468 * Returns the serial number of the SIM, if applicable. 469 * <p> 470 * Requires Permission: 471 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 472 */ 473 public String getSimSerialNumber() { 474 try { 475 return getSubscriberInfo().getSimSerialNumber(); 476 } catch (RemoteException ex) { 477 } 478 return null; 479 } 480 481 // 482 // 483 // Subscriber Info 484 // 485 // 486 487 /** 488 * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. 489 * <p> 490 * Requires Permission: 491 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 492 */ 493 public String getSubscriberId() { 494 try { 495 return getSubscriberInfo().getSubscriberId(); 496 } catch (RemoteException ex) { 497 } 498 return null; 499 } 500 501 /** 502 * Returns the phone number string for line 1, for example, the MSISDN 503 * for a GSM phone. 504 * <p> 505 * Requires Permission: 506 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 507 */ 508 public String getLine1Number() { 509 try { 510 return getSubscriberInfo().getLine1Number(); 511 } catch (RemoteException ex) { 512 } 513 return null; 514 } 515 516 /** 517 * Returns the alphabetic identifier associated with the line 1 number. 518 * <p> 519 * Requires Permission: 520 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 521 * @hide 522 * nobody seems to call this. 523 */ 524 public String getLine1AlphaTag() { 525 try { 526 return getSubscriberInfo().getLine1AlphaTag(); 527 } catch (RemoteException ex) { 528 } 529 return null; 530 } 531 532 /** 533 * Returns the voice mail number. 534 * <p> 535 * Requires Permission: 536 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 537 */ 538 public String getVoiceMailNumber() { 539 try { 540 return getSubscriberInfo().getVoiceMailNumber(); 541 } catch (RemoteException ex) { 542 } 543 return null; 544 } 545 546 /** 547 * Retrieves the alphabetic identifier associated with the voice 548 * mail number. 549 * <p> 550 * Requires Permission: 551 * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} 552 */ 553 public String getVoiceMailAlphaTag() { 554 try { 555 return getSubscriberInfo().getVoiceMailAlphaTag(); 556 } catch (RemoteException ex) { 557 } 558 return null; 559 } 560 561 private IPhoneSubInfo getSubscriberInfo() { 562 // get it each time because that process crashes a lot 563 return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); 564 } 565 566 567 /** Device call state: No activity. */ 568 public static final int CALL_STATE_IDLE = 0; 569 /** Device call state: Ringing. A new call arrived and is 570 * ringing or waiting. In the latter case, another call is 571 * already active. */ 572 public static final int CALL_STATE_RINGING = 1; 573 /** Device call state: Off-hook. At least one call exists 574 * that is dialing, active, or on hold, and no calls are ringing 575 * or waiting. */ 576 public static final int CALL_STATE_OFFHOOK = 2; 577 578 /** 579 * Returns a constant indicating the call state (cellular) on the device. 580 */ 581 public int getCallState() { 582 try { 583 return getITelephony().getCallState(); 584 } catch (RemoteException ex) { 585 // the phone process is restarting. 586 return CALL_STATE_IDLE; 587 } 588 } 589 590 /** Data connection activity: No traffic. */ 591 public static final int DATA_ACTIVITY_NONE = 0x00000000; 592 /** Data connection activity: Currently receiving IP PPP traffic. */ 593 public static final int DATA_ACTIVITY_IN = 0x00000001; 594 /** Data connection activity: Currently sending IP PPP traffic. */ 595 public static final int DATA_ACTIVITY_OUT = 0x00000002; 596 /** Data connection activity: Currently both sending and receiving 597 * IP PPP traffic. */ 598 public static final int DATA_ACTIVITY_INOUT = DATA_ACTIVITY_IN | DATA_ACTIVITY_OUT; 599 600 /** 601 * Returns a constant indicating the type of activity on a data connection 602 * (cellular). 603 * 604 * @see #DATA_ACTIVITY_NONE 605 * @see #DATA_ACTIVITY_IN 606 * @see #DATA_ACTIVITY_OUT 607 * @see #DATA_ACTIVITY_INOUT 608 */ 609 public int getDataActivity() { 610 try { 611 return getITelephony().getDataActivity(); 612 } catch (RemoteException ex) { 613 // the phone process is restarting. 614 return DATA_ACTIVITY_NONE; 615 } 616 } 617 618 /** Data connection state: Disconnected. IP traffic not available. */ 619 public static final int DATA_DISCONNECTED = 0; 620 /** Data connection state: Currently setting up a data connection. */ 621 public static final int DATA_CONNECTING = 1; 622 /** Data connection state: Connected. IP traffic should be available. */ 623 public static final int DATA_CONNECTED = 2; 624 /** Data connection state: Suspended. The connection is up, but IP 625 * traffic is temporarily unavailable. For example, in a 2G network, 626 * data activity may be suspended when a voice call arrives. */ 627 public static final int DATA_SUSPENDED = 3; 628 629 /** 630 * Returns a constant indicating the current data connection state 631 * (cellular). 632 * 633 * @see #DATA_DISCONNECTED 634 * @see #DATA_CONNECTING 635 * @see #DATA_CONNECTED 636 * @see #DATA_SUSPENDED 637 */ 638 public int getDataState() { 639 try { 640 return getITelephony().getDataState(); 641 } catch (RemoteException ex) { 642 // the phone process is restarting. 643 return DATA_DISCONNECTED; 644 } 645 } 646 647 private ITelephony getITelephony() { 648 return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE)); 649 } 650 651 // 652 // 653 // PhoneStateListener 654 // 655 // 656 657 /** 658 * Registers a listener object to receive notification of changes 659 * in specified telephony states. 660 * <p> 661 * To register a listener, pass a {@link PhoneStateListener} 662 * and specify at least one telephony state of interest in 663 * the events argument. 664 * 665 * At registration, and when a specified telephony state 666 * changes, the telephony manager invokes the appropriate 667 * callback method on the listener object and passes the 668 * current (udpated) values. 669 * <p> 670 * To unregister a listener, pass the listener object and set the 671 * events argument to 672 * {@link PhoneStateListener#LISTEN_NONE LISTEN_NONE} (0). 673 * 674 * @param listener The {@link PhoneStateListener} object to register 675 * (or unregister) 676 * @param events The telephony state(s) of interest to the listener, 677 * as a bitwise-OR combination of {@link PhoneStateListener} 678 * LISTEN_ flags. 679 */ 680 public void listen(PhoneStateListener listener, int events) { 681 String pkgForDebug = mContext != null ? mContext.getPackageName() : "<unknown>"; 682 try { 683 Boolean notifyNow = (getITelephony() != null); 684 mRegistry.listen(pkgForDebug, listener.callback, events, notifyNow); 685 } catch (RemoteException ex) { 686 // system process dead 687 } 688 } 689} 690