1 /* 2 * Copyright (C) 2009 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 17 package android.bluetooth; 18 19 import android.annotation.SdkConstant; 20 import android.annotation.SdkConstant.SdkConstantType; 21 import android.os.IBinder; 22 import android.os.Parcel; 23 import android.os.Parcelable; 24 import android.os.ParcelUuid; 25 import android.os.RemoteException; 26 import android.os.ServiceManager; 27 import android.util.Log; 28 29 import java.io.IOException; 30 import java.io.UnsupportedEncodingException; 31 import java.util.UUID; 32 33 /** 34 * Represents a remote Bluetooth device. A {@link BluetoothDevice} lets you 35 * create a connection with the respective device or query information about 36 * it, such as the name, address, class, and bonding state. 37 * 38 * <p>This class is really just a thin wrapper for a Bluetooth hardware 39 * address. Objects of this class are immutable. Operations on this class 40 * are performed on the remote Bluetooth hardware address, using the 41 * {@link BluetoothAdapter} that was used to create this {@link 42 * BluetoothDevice}. 43 * 44 * <p>To get a {@link BluetoothDevice}, use 45 * {@link BluetoothAdapter#getRemoteDevice(String) 46 * BluetoothAdapter.getRemoteDevice(String)} to create one representing a device 47 * of a known MAC address (which you can get through device discovery with 48 * {@link BluetoothAdapter}) or get one from the set of bonded devices 49 * returned by {@link BluetoothAdapter#getBondedDevices() 50 * BluetoothAdapter.getBondedDevices()}. You can then open a 51 * {@link BluetoothSocket} for communication with the remote device, using 52 * {@link #createRfcommSocketToServiceRecord(UUID)}. 53 * 54 * <p class="note"><strong>Note:</strong> 55 * Requires the {@link android.Manifest.permission#BLUETOOTH} permission. 56 * 57 * {@see BluetoothAdapter} 58 * {@see BluetoothSocket} 59 */ 60 public final class BluetoothDevice implements Parcelable { 61 private static final String TAG = "BluetoothDevice"; 62 63 /** 64 * Sentinel error value for this class. Guaranteed to not equal any other 65 * integer constant in this class. Provided as a convenience for functions 66 * that require a sentinel error value, for example: 67 * <p><code>Intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, 68 * BluetoothDevice.ERROR)</code> 69 */ 70 public static final int ERROR = Integer.MIN_VALUE; 71 72 /** 73 * Broadcast Action: Remote device discovered. 74 * <p>Sent when a remote device is found during discovery. 75 * <p>Always contains the extra fields {@link #EXTRA_DEVICE} and {@link 76 * #EXTRA_CLASS}. Can contain the extra fields {@link #EXTRA_NAME} and/or 77 * {@link #EXTRA_RSSI} if they are available. 78 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 79 */ 80 // TODO: Change API to not broadcast RSSI if not available (incoming connection) 81 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 82 public static final String ACTION_FOUND = 83 "android.bluetooth.device.action.FOUND"; 84 85 /** 86 * Broadcast Action: Remote device disappeared. 87 * <p>Sent when a remote device that was found in the last discovery is not 88 * found in the current discovery. 89 * <p>Always contains the extra field {@link #EXTRA_DEVICE}. 90 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 91 * @hide 92 */ 93 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 94 public static final String ACTION_DISAPPEARED = 95 "android.bluetooth.device.action.DISAPPEARED"; 96 97 /** 98 * Broadcast Action: Bluetooth class of a remote device has changed. 99 * <p>Always contains the extra fields {@link #EXTRA_DEVICE} and {@link 100 * #EXTRA_CLASS}. 101 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 102 * @see {@link BluetoothClass} 103 */ 104 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 105 public static final String ACTION_CLASS_CHANGED = 106 "android.bluetooth.device.action.CLASS_CHANGED"; 107 108 /** 109 * Broadcast Action: Indicates a low level (ACL) connection has been 110 * established with a remote device. 111 * <p>Always contains the extra field {@link #EXTRA_DEVICE}. 112 * <p>ACL connections are managed automatically by the Android Bluetooth 113 * stack. 114 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 115 */ 116 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 117 public static final String ACTION_ACL_CONNECTED = 118 "android.bluetooth.device.action.ACL_CONNECTED"; 119 120 /** 121 * Broadcast Action: Indicates that a low level (ACL) disconnection has 122 * been requested for a remote device, and it will soon be disconnected. 123 * <p>This is useful for graceful disconnection. Applications should use 124 * this intent as a hint to immediately terminate higher level connections 125 * (RFCOMM, L2CAP, or profile connections) to the remote device. 126 * <p>Always contains the extra field {@link #EXTRA_DEVICE}. 127 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 128 */ 129 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 130 public static final String ACTION_ACL_DISCONNECT_REQUESTED = 131 "android.bluetooth.device.action.ACL_DISCONNECT_REQUESTED"; 132 133 /** 134 * Broadcast Action: Indicates a low level (ACL) disconnection from a 135 * remote device. 136 * <p>Always contains the extra field {@link #EXTRA_DEVICE}. 137 * <p>ACL connections are managed automatically by the Android Bluetooth 138 * stack. 139 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 140 */ 141 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 142 public static final String ACTION_ACL_DISCONNECTED = 143 "android.bluetooth.device.action.ACL_DISCONNECTED"; 144 145 /** 146 * Broadcast Action: Indicates the friendly name of a remote device has 147 * been retrieved for the first time, or changed since the last retrieval. 148 * <p>Always contains the extra fields {@link #EXTRA_DEVICE} and {@link 149 * #EXTRA_NAME}. 150 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 151 */ 152 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 153 public static final String ACTION_NAME_CHANGED = 154 "android.bluetooth.device.action.NAME_CHANGED"; 155 156 /** 157 * Broadcast Action: Indicates a change in the bond state of a remote 158 * device. For example, if a device is bonded (paired). 159 * <p>Always contains the extra fields {@link #EXTRA_DEVICE}, {@link 160 * #EXTRA_BOND_STATE} and {@link #EXTRA_PREVIOUS_BOND_STATE}. 161 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 162 */ 163 // Note: When EXTRA_BOND_STATE is BOND_NONE then this will also 164 // contain a hidden extra field EXTRA_REASON with the result code. 165 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 166 public static final String ACTION_BOND_STATE_CHANGED = 167 "android.bluetooth.device.action.BOND_STATE_CHANGED"; 168 169 /** 170 * Used as a Parcelable {@link BluetoothDevice} extra field in every intent 171 * broadcast by this class. It contains the {@link BluetoothDevice} that 172 * the intent applies to. 173 */ 174 public static final String EXTRA_DEVICE = "android.bluetooth.device.extra.DEVICE"; 175 176 /** 177 * Used as a String extra field in {@link #ACTION_NAME_CHANGED} and {@link 178 * #ACTION_FOUND} intents. It contains the friendly Bluetooth name. 179 */ 180 public static final String EXTRA_NAME = "android.bluetooth.device.extra.NAME"; 181 182 /** 183 * Used as an optional short extra field in {@link #ACTION_FOUND} intents. 184 * Contains the RSSI value of the remote device as reported by the 185 * Bluetooth hardware. 186 */ 187 public static final String EXTRA_RSSI = "android.bluetooth.device.extra.RSSI"; 188 189 /** 190 * Used as an Parcelable {@link BluetoothClass} extra field in {@link 191 * #ACTION_FOUND} and {@link #ACTION_CLASS_CHANGED} intents. 192 */ 193 public static final String EXTRA_CLASS = "android.bluetooth.device.extra.CLASS"; 194 195 /** 196 * Used as an int extra field in {@link #ACTION_BOND_STATE_CHANGED} intents. 197 * Contains the bond state of the remote device. 198 * <p>Possible values are: 199 * {@link #BOND_NONE}, 200 * {@link #BOND_BONDING}, 201 * {@link #BOND_BONDED}. 202 */ 203 public static final String EXTRA_BOND_STATE = "android.bluetooth.device.extra.BOND_STATE"; 204 /** 205 * Used as an int extra field in {@link #ACTION_BOND_STATE_CHANGED} intents. 206 * Contains the previous bond state of the remote device. 207 * <p>Possible values are: 208 * {@link #BOND_NONE}, 209 * {@link #BOND_BONDING}, 210 * {@link #BOND_BONDED}. 211 */ 212 public static final String EXTRA_PREVIOUS_BOND_STATE = 213 "android.bluetooth.device.extra.PREVIOUS_BOND_STATE"; 214 /** 215 * Indicates the remote device is not bonded (paired). 216 * <p>There is no shared link key with the remote device, so communication 217 * (if it is allowed at all) will be unauthenticated and unencrypted. 218 */ 219 public static final int BOND_NONE = 10; 220 /** 221 * Indicates bonding (pairing) is in progress with the remote device. 222 */ 223 public static final int BOND_BONDING = 11; 224 /** 225 * Indicates the remote device is bonded (paired). 226 * <p>A shared link keys exists locally for the remote device, so 227 * communication can be authenticated and encrypted. 228 * <p><i>Being bonded (paired) with a remote device does not necessarily 229 * mean the device is currently connected. It just means that the pending 230 * procedure was completed at some earlier time, and the link key is still 231 * stored locally, ready to use on the next connection. 232 * </i> 233 */ 234 public static final int BOND_BONDED = 12; 235 236 /** @hide */ 237 public static final String EXTRA_REASON = "android.bluetooth.device.extra.REASON"; 238 /** @hide */ 239 public static final String EXTRA_PAIRING_VARIANT = 240 "android.bluetooth.device.extra.PAIRING_VARIANT"; 241 /** @hide */ 242 public static final String EXTRA_PASSKEY = "android.bluetooth.device.extra.PASSKEY"; 243 244 /** 245 * Broadcast Action: This intent is used to broadcast the {@link UUID} 246 * wrapped as a {@link android.os.ParcelUuid} of the remote device after it 247 * has been fetched. This intent is sent only when the UUIDs of the remote 248 * device are requested to be fetched using Service Discovery Protocol 249 * <p> Always contains the extra field {@link #EXTRA_DEVICE} 250 * <p> Always contains the extra filed {@link #EXTRA_UUID} 251 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 252 * @hide 253 */ 254 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 255 public static final String ACTION_UUID = 256 "android.bleutooth.device.action.UUID"; 257 258 /** 259 * Broadcast Action: Indicates a failure to retrieve the name of a remote 260 * device. 261 * <p>Always contains the extra field {@link #EXTRA_DEVICE}. 262 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 263 * @hide 264 */ 265 //TODO: is this actually useful? 266 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 267 public static final String ACTION_NAME_FAILED = 268 "android.bluetooth.device.action.NAME_FAILED"; 269 270 /** @hide */ 271 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 272 public static final String ACTION_PAIRING_REQUEST = 273 "android.bluetooth.device.action.PAIRING_REQUEST"; 274 /** @hide */ 275 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 276 public static final String ACTION_PAIRING_CANCEL = 277 "android.bluetooth.device.action.PAIRING_CANCEL"; 278 279 /** A bond attempt succeeded 280 * @hide */ 281 public static final int BOND_SUCCESS = 0; 282 /** A bond attempt failed because pins did not match, or remote device did 283 * not respond to pin request in time 284 * @hide */ 285 public static final int UNBOND_REASON_AUTH_FAILED = 1; 286 /** A bond attempt failed because the other side explicitly rejected 287 * bonding 288 * @hide */ 289 public static final int UNBOND_REASON_AUTH_REJECTED = 2; 290 /** A bond attempt failed because we canceled the bonding process 291 * @hide */ 292 public static final int UNBOND_REASON_AUTH_CANCELED = 3; 293 /** A bond attempt failed because we could not contact the remote device 294 * @hide */ 295 public static final int UNBOND_REASON_REMOTE_DEVICE_DOWN = 4; 296 /** A bond attempt failed because a discovery is in progress 297 * @hide */ 298 public static final int UNBOND_REASON_DISCOVERY_IN_PROGRESS = 5; 299 /** A bond attempt failed because of authentication timeout 300 * @hide */ 301 public static final int UNBOND_REASON_AUTH_TIMEOUT = 6; 302 /** A bond attempt failed because of repeated attempts 303 * @hide */ 304 public static final int UNBOND_REASON_REPEATED_ATTEMPTS = 7; 305 /** A bond attempt failed because we received an Authentication Cancel 306 * by remote end 307 * @hide */ 308 public static final int UNBOND_REASON_REMOTE_AUTH_CANCELED = 8; 309 /** An existing bond was explicitly revoked 310 * @hide */ 311 public static final int UNBOND_REASON_REMOVED = 9; 312 313 /** The user will be prompted to enter a pin 314 * @hide */ 315 public static final int PAIRING_VARIANT_PIN = 0; 316 /** The user will be prompted to enter a passkey 317 * @hide */ 318 public static final int PAIRING_VARIANT_PASSKEY = 1; 319 /** The user will be prompted to confirm the passkey displayed on the screen 320 * @hide */ 321 public static final int PAIRING_VARIANT_PASSKEY_CONFIRMATION = 2; 322 /** The user will be prompted to accept or deny the incoming pairing request 323 * @hide */ 324 public static final int PAIRING_VARIANT_CONSENT = 3; 325 /** The user will be prompted to enter the passkey displayed on remote device 326 * @hide */ 327 public static final int PAIRING_VARIANT_DISPLAY_PASSKEY = 4; 328 /** The user will be prompted to accept or deny the OOB pairing request 329 * @hide */ 330 public static final int PAIRING_VARIANT_OOB_CONSENT = 5; 331 /** 332 * Used as an extra field in {@link #ACTION_UUID} intents, 333 * Contains the {@link android.os.ParcelUuid}s of the remote device which 334 * is a parcelable version of {@link UUID}. 335 * @hide 336 */ 337 public static final String EXTRA_UUID = "android.bluetooth.device.extra.UUID"; 338 339 /** 340 * Lazy initialization. Guaranteed final after first object constructed, or 341 * getService() called. 342 * TODO: Unify implementation of sService amongst BluetoothFoo API's 343 */ 344 private static IBluetooth sService; 345 346 private final String mAddress; 347 348 /*package*/ static IBluetooth getService() { 349 synchronized (BluetoothDevice.class) { 350 if (sService == null) { 351 IBinder b = ServiceManager.getService(BluetoothAdapter.BLUETOOTH_SERVICE); 352 if (b == null) { 353 throw new RuntimeException("Bluetooth service not available"); 354 } 355 sService = IBluetooth.Stub.asInterface(b); 356 } 357 } 358 return sService; 359 } 360 361 /** 362 * Create a new BluetoothDevice 363 * Bluetooth MAC address must be upper case, such as "00:11:22:33:AA:BB", 364 * and is validated in this constructor. 365 * @param address valid Bluetooth MAC address 366 * @throws RuntimeException Bluetooth is not available on this platform 367 * @throws IllegalArgumentException address is invalid 368 * @hide 369 */ 370 /*package*/ BluetoothDevice(String address) { 371 getService(); // ensures sService is initialized 372 if (!BluetoothAdapter.checkBluetoothAddress(address)) { 373 throw new IllegalArgumentException(address + " is not a valid Bluetooth address"); 374 } 375 376 mAddress = address; 377 } 378 379 @Override 380 public boolean equals(Object o) { 381 if (o instanceof BluetoothDevice) { 382 return mAddress.equals(((BluetoothDevice)o).getAddress()); 383 } 384 return false; 385 } 386 387 @Override 388 public int hashCode() { 389 return mAddress.hashCode(); 390 } 391 392 /** 393 * Returns a string representation of this BluetoothDevice. 394 * <p>Currently this is the Bluetooth hardware address, for example 395 * "00:11:22:AA:BB:CC". However, you should always use {@link #getAddress} 396 * if you explicitly require the Bluetooth hardware address in case the 397 * {@link #toString} representation changes in the future. 398 * @return string representation of this BluetoothDevice 399 */ 400 @Override 401 public String toString() { 402 return mAddress; 403 } 404 405 public int describeContents() { 406 return 0; 407 } 408 409 public static final Parcelable.Creator<BluetoothDevice> CREATOR = 410 new Parcelable.Creator<BluetoothDevice>() { 411 public BluetoothDevice createFromParcel(Parcel in) { 412 return new BluetoothDevice(in.readString()); 413 } 414 public BluetoothDevice[] newArray(int size) { 415 return new BluetoothDevice[size]; 416 } 417 }; 418 419 public void writeToParcel(Parcel out, int flags) { 420 out.writeString(mAddress); 421 } 422 423 /** 424 * Returns the hardware address of this BluetoothDevice. 425 * <p> For example, "00:11:22:AA:BB:CC". 426 * @return Bluetooth hardware address as string 427 */ 428 public String getAddress() { 429 return mAddress; 430 } 431 432 /** 433 * Get the friendly Bluetooth name of the remote device. 434 * 435 * <p>The local adapter will automatically retrieve remote names when 436 * performing a device scan, and will cache them. This method just returns 437 * the name for this device from the cache. 438 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 439 * 440 * @return the Bluetooth name, or null if there was a problem. 441 */ 442 public String getName() { 443 try { 444 return sService.getRemoteName(mAddress); 445 } catch (RemoteException e) {Log.e(TAG, "", e);} 446 return null; 447 } 448 449 /** 450 * Start the bonding (pairing) process with the remote device. 451 * <p>This is an asynchronous call, it will return immediately. Register 452 * for {@link #ACTION_BOND_STATE_CHANGED} intents to be notified when 453 * the bonding process completes, and its result. 454 * <p>Android system services will handle the necessary user interactions 455 * to confirm and complete the bonding process. 456 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 457 * 458 * @return false on immediate error, true if bonding will begin 459 * @hide 460 */ 461 public boolean createBond() { 462 try { 463 return sService.createBond(mAddress); 464 } catch (RemoteException e) {Log.e(TAG, "", e);} 465 return false; 466 } 467 468 /** 469 * Start the bonding (pairing) process with the remote device using the 470 * Out Of Band mechanism. 471 * 472 * <p>This is an asynchronous call, it will return immediately. Register 473 * for {@link #ACTION_BOND_STATE_CHANGED} intents to be notified when 474 * the bonding process completes, and its result. 475 * 476 * <p>Android system services will handle the necessary user interactions 477 * to confirm and complete the bonding process. 478 * 479 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 480 * 481 * @param hash - Simple Secure pairing hash 482 * @param randomizer - The random key obtained using OOB 483 * @return false on immediate error, true if bonding will begin 484 * 485 * @hide 486 */ 487 public boolean createBondOutOfBand(byte[] hash, byte[] randomizer) { 488 try { 489 return sService.createBondOutOfBand(mAddress, hash, randomizer); 490 } catch (RemoteException e) {Log.e(TAG, "", e);} 491 return false; 492 } 493 494 /** 495 * Set the Out Of Band data for a remote device to be used later 496 * in the pairing mechanism. Users can obtain this data through other 497 * trusted channels 498 * 499 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 500 * 501 * @param hash Simple Secure pairing hash 502 * @param randomizer The random key obtained using OOB 503 * @return false on error; true otherwise 504 * 505 * @hide 506 */ 507 public boolean setDeviceOutOfBandData(byte[] hash, byte[] randomizer) { 508 try { 509 return sService.setDeviceOutOfBandData(mAddress, hash, randomizer); 510 } catch (RemoteException e) {Log.e(TAG, "", e);} 511 return false; 512 } 513 514 /** 515 * Cancel an in-progress bonding request started with {@link #createBond}. 516 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 517 * 518 * @return true on success, false on error 519 * @hide 520 */ 521 public boolean cancelBondProcess() { 522 try { 523 return sService.cancelBondProcess(mAddress); 524 } catch (RemoteException e) {Log.e(TAG, "", e);} 525 return false; 526 } 527 528 /** 529 * Remove bond (pairing) with the remote device. 530 * <p>Delete the link key associated with the remote device, and 531 * immediately terminate connections to that device that require 532 * authentication and encryption. 533 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 534 * 535 * @return true on success, false on error 536 * @hide 537 */ 538 public boolean removeBond() { 539 try { 540 return sService.removeBond(mAddress); 541 } catch (RemoteException e) {Log.e(TAG, "", e);} 542 return false; 543 } 544 545 /** 546 * Get the bond state of the remote device. 547 * <p>Possible values for the bond state are: 548 * {@link #BOND_NONE}, 549 * {@link #BOND_BONDING}, 550 * {@link #BOND_BONDED}. 551 * <p>Requires {@link android.Manifest.permission#BLUETOOTH}. 552 * 553 * @return the bond state 554 */ 555 public int getBondState() { 556 try { 557 return sService.getBondState(mAddress); 558 } catch (RemoteException e) {Log.e(TAG, "", e);} 559 return BOND_NONE; 560 } 561 562 /** 563 * Get the Bluetooth class of the remote device. 564 * <p>Requires {@link android.Manifest.permission#BLUETOOTH}. 565 * 566 * @return Bluetooth class object, or null on error 567 */ 568 public BluetoothClass getBluetoothClass() { 569 try { 570 int classInt = sService.getRemoteClass(mAddress); 571 if (classInt == BluetoothClass.ERROR) return null; 572 return new BluetoothClass(classInt); 573 } catch (RemoteException e) {Log.e(TAG, "", e);} 574 return null; 575 } 576 577 /** 578 * Get trust state of a remote device. 579 * <p>Requires {@link android.Manifest.permission#BLUETOOTH}. 580 * @hide 581 */ 582 public boolean getTrustState() { 583 try { 584 return sService.getTrustState(mAddress); 585 } catch (RemoteException e) { 586 Log.e(TAG, "", e); 587 } 588 return false; 589 } 590 591 /** 592 * Set trust state for a remote device. 593 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 594 * @param value the trust state value (true or false) 595 * @hide 596 */ 597 public boolean setTrust(boolean value) { 598 try { 599 return sService.setTrust(mAddress, value); 600 } catch (RemoteException e) { 601 Log.e(TAG, "", e); 602 } 603 return false; 604 } 605 606 /** @hide */ 607 public ParcelUuid[] getUuids() { 608 try { 609 return sService.getRemoteUuids(mAddress); 610 } catch (RemoteException e) {Log.e(TAG, "", e);} 611 return null; 612 } 613 614 /** 615 * Perform a SDP query on the remote device to get the UUIDs 616 * supported. This API is asynchronous and an Intent is sent, 617 * with the UUIDs supported by the remote end. If there is an error 618 * in getting the SDP records or if the process takes a long time, 619 * an Intent is sent with the UUIDs that is currently present in the 620 * cache. Clients should use the {@link #getUuids} to get UUIDs 621 * is SDP is not to be performed. 622 * 623 * @return False if the sanity check fails, True if the process 624 * of initiating an ACL connection to the remote device 625 * was started. 626 * @hide 627 */ 628 public boolean fetchUuidsWithSdp() { 629 try { 630 return sService.fetchRemoteUuids(mAddress, null, null); 631 } catch (RemoteException e) {Log.e(TAG, "", e);} 632 return false; 633 } 634 635 /** @hide */ 636 public int getServiceChannel(ParcelUuid uuid) { 637 try { 638 return sService.getRemoteServiceChannel(mAddress, uuid); 639 } catch (RemoteException e) {Log.e(TAG, "", e);} 640 return BluetoothDevice.ERROR; 641 } 642 643 /** @hide */ 644 public boolean setPin(byte[] pin) { 645 try { 646 return sService.setPin(mAddress, pin); 647 } catch (RemoteException e) {Log.e(TAG, "", e);} 648 return false; 649 } 650 651 /** @hide */ 652 public boolean setPasskey(int passkey) { 653 try { 654 return sService.setPasskey(mAddress, passkey); 655 } catch (RemoteException e) {Log.e(TAG, "", e);} 656 return false; 657 } 658 659 /** @hide */ 660 public boolean setPairingConfirmation(boolean confirm) { 661 try { 662 return sService.setPairingConfirmation(mAddress, confirm); 663 } catch (RemoteException e) {Log.e(TAG, "", e);} 664 return false; 665 } 666 667 /** @hide */ 668 public boolean setRemoteOutOfBandData() { 669 try { 670 return sService.setRemoteOutOfBandData(mAddress); 671 } catch (RemoteException e) {Log.e(TAG, "", e);} 672 return false; 673 } 674 675 /** @hide */ 676 public boolean cancelPairingUserInput() { 677 try { 678 return sService.cancelPairingUserInput(mAddress); 679 } catch (RemoteException e) {Log.e(TAG, "", e);} 680 return false; 681 } 682 683 /** @hide */ 684 public boolean isBluetoothDock() { 685 try { 686 return sService.isBluetoothDock(mAddress); 687 } catch (RemoteException e) {Log.e(TAG, "", e);} 688 return false; 689 } 690 691 /** 692 * Create an RFCOMM {@link BluetoothSocket} ready to start a secure 693 * outgoing connection to this remote device on given channel. 694 * <p>The remote device will be authenticated and communication on this 695 * socket will be encrypted. 696 * <p>Use {@link BluetoothSocket#connect} to initiate the outgoing 697 * connection. 698 * <p>Valid RFCOMM channels are in range 1 to 30. 699 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 700 * 701 * @param channel RFCOMM channel to connect to 702 * @return a RFCOMM BluetoothServerSocket ready for an outgoing connection 703 * @throws IOException on error, for example Bluetooth not available, or 704 * insufficient permissions 705 * @hide 706 */ 707 public BluetoothSocket createRfcommSocket(int channel) throws IOException { 708 return new BluetoothSocket(BluetoothSocket.TYPE_RFCOMM, -1, true, true, this, channel, 709 null); 710 } 711 712 /** 713 * Create an RFCOMM {@link BluetoothSocket} ready to start a secure 714 * outgoing connection to this remote device using SDP lookup of uuid. 715 * <p>This is designed to be used with {@link 716 * BluetoothAdapter#listenUsingRfcommWithServiceRecord} for peer-peer 717 * Bluetooth applications. 718 * <p>Use {@link BluetoothSocket#connect} to initiate the outgoing 719 * connection. This will also perform an SDP lookup of the given uuid to 720 * determine which channel to connect to. 721 * <p>The remote device will be authenticated and communication on this 722 * socket will be encrypted. 723 * <p>Hint: If you are connecting to a Bluetooth serial board then try 724 * using the well-known SPP UUID 00001101-0000-1000-8000-00805F9B34FB. 725 * However if you are connecting to an Android peer then please generate 726 * your own unique UUID. 727 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 728 * 729 * @param uuid service record uuid to lookup RFCOMM channel 730 * @return a RFCOMM BluetoothServerSocket ready for an outgoing connection 731 * @throws IOException on error, for example Bluetooth not available, or 732 * insufficient permissions 733 */ 734 public BluetoothSocket createRfcommSocketToServiceRecord(UUID uuid) throws IOException { 735 return new BluetoothSocket(BluetoothSocket.TYPE_RFCOMM, -1, true, true, this, -1, 736 new ParcelUuid(uuid)); 737 } 738 739 /** 740 * Construct an insecure RFCOMM socket ready to start an outgoing 741 * connection. 742 * Call #connect on the returned #BluetoothSocket to begin the connection. 743 * The remote device will not be authenticated and communication on this 744 * socket will not be encrypted. 745 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} 746 * 747 * @param port remote port 748 * @return An RFCOMM BluetoothSocket 749 * @throws IOException On error, for example Bluetooth not available, or 750 * insufficient permissions. 751 * @hide 752 */ 753 public BluetoothSocket createInsecureRfcommSocket(int port) throws IOException { 754 return new BluetoothSocket(BluetoothSocket.TYPE_RFCOMM, -1, false, false, this, port, 755 null); 756 } 757 758 /** 759 * Construct a SCO socket ready to start an outgoing connection. 760 * Call #connect on the returned #BluetoothSocket to begin the connection. 761 * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} 762 * 763 * @return a SCO BluetoothSocket 764 * @throws IOException on error, for example Bluetooth not available, or 765 * insufficient permissions. 766 * @hide 767 */ 768 public BluetoothSocket createScoSocket() throws IOException { 769 return new BluetoothSocket(BluetoothSocket.TYPE_SCO, -1, true, true, this, -1, null); 770 } 771 772 /** 773 * Check that a pin is valid and convert to byte array. 774 * 775 * Bluetooth pin's are 1 to 16 bytes of UTF-8 characters. 776 * @param pin pin as java String 777 * @return the pin code as a UTF-8 byte array, or null if it is an invalid 778 * Bluetooth pin. 779 * @hide 780 */ 781 public static byte[] convertPinToBytes(String pin) { 782 if (pin == null) { 783 return null; 784 } 785 byte[] pinBytes; 786 try { 787 pinBytes = pin.getBytes("UTF-8"); 788 } catch (UnsupportedEncodingException uee) { 789 Log.e(TAG, "UTF-8 not supported?!?"); // this should not happen 790 return null; 791 } 792 if (pinBytes.length <= 0 || pinBytes.length > 16) { 793 return null; 794 } 795 return pinBytes; 796 } 797 798 } 799
