AudioManager.java revision 2c0044410ee30bdba19870931374338b36c33ce9
1/* 2 * Copyright (C) 2007 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.media; 18 19import android.annotation.SdkConstant; 20import android.annotation.SdkConstant.SdkConstantType; 21import android.app.PendingIntent; 22import android.bluetooth.BluetoothDevice; 23import android.content.ComponentName; 24import android.content.Context; 25import android.content.Intent; 26import android.os.Binder; 27import android.os.Handler; 28import android.os.IBinder; 29import android.os.Looper; 30import android.os.Message; 31import android.os.RemoteException; 32import android.os.SystemClock; 33import android.os.ServiceManager; 34import android.provider.Settings; 35import android.util.Log; 36import android.view.KeyEvent; 37import android.view.VolumePanel; 38 39import java.util.HashMap; 40 41/** 42 * AudioManager provides access to volume and ringer mode control. 43 * <p> 44 * Use <code>Context.getSystemService(Context.AUDIO_SERVICE)</code> to get 45 * an instance of this class. 46 */ 47public class AudioManager { 48 49 private final Context mContext; 50 private long mVolumeKeyUpTime; 51 private final boolean mUseMasterVolume; 52 private final boolean mUseVolumeKeySounds; 53 private static String TAG = "AudioManager"; 54 55 /** 56 * Broadcast intent, a hint for applications that audio is about to become 57 * 'noisy' due to a change in audio outputs. For example, this intent may 58 * be sent when a wired headset is unplugged, or when an A2DP audio 59 * sink is disconnected, and the audio system is about to automatically 60 * switch audio route to the speaker. Applications that are controlling 61 * audio streams may consider pausing, reducing volume or some other action 62 * on receipt of this intent so as not to surprise the user with audio 63 * from the speaker. 64 */ 65 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 66 public static final String ACTION_AUDIO_BECOMING_NOISY = "android.media.AUDIO_BECOMING_NOISY"; 67 68 /** 69 * Sticky broadcast intent action indicating that the ringer mode has 70 * changed. Includes the new ringer mode. 71 * 72 * @see #EXTRA_RINGER_MODE 73 */ 74 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 75 public static final String RINGER_MODE_CHANGED_ACTION = "android.media.RINGER_MODE_CHANGED"; 76 77 /** 78 * The new ringer mode. 79 * 80 * @see #RINGER_MODE_CHANGED_ACTION 81 * @see #RINGER_MODE_NORMAL 82 * @see #RINGER_MODE_SILENT 83 * @see #RINGER_MODE_VIBRATE 84 */ 85 public static final String EXTRA_RINGER_MODE = "android.media.EXTRA_RINGER_MODE"; 86 87 /** 88 * Broadcast intent action indicating that the vibrate setting has 89 * changed. Includes the vibrate type and its new setting. 90 * 91 * @see #EXTRA_VIBRATE_TYPE 92 * @see #EXTRA_VIBRATE_SETTING 93 * @deprecated Applications should maintain their own vibrate policy based on 94 * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. 95 */ 96 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 97 public static final String VIBRATE_SETTING_CHANGED_ACTION = 98 "android.media.VIBRATE_SETTING_CHANGED"; 99 100 /** 101 * @hide Broadcast intent when the volume for a particular stream type changes. 102 * Includes the stream, the new volume and previous volumes 103 * 104 * @see #EXTRA_VOLUME_STREAM_TYPE 105 * @see #EXTRA_VOLUME_STREAM_VALUE 106 * @see #EXTRA_PREV_VOLUME_STREAM_VALUE 107 */ 108 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 109 public static final String VOLUME_CHANGED_ACTION = "android.media.VOLUME_CHANGED_ACTION"; 110 111 /** 112 * @hide Broadcast intent when the master volume changes. 113 * Includes the new volume 114 * 115 * @see #EXTRA_MASTER_VOLUME_VALUE 116 * @see #EXTRA_PREV_MASTER_VOLUME_VALUE 117 */ 118 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 119 public static final String MASTER_VOLUME_CHANGED_ACTION = 120 "android.media.MASTER_VOLUME_CHANGED_ACTION"; 121 122 /** 123 * @hide Broadcast intent when the master mute state changes. 124 * Includes the the new volume 125 * 126 * @see #EXTRA_MASTER_VOLUME_MUTED 127 */ 128 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 129 public static final String MASTER_MUTE_CHANGED_ACTION = 130 "android.media.MASTER_MUTE_CHANGED_ACTION"; 131 132 /** 133 * The new vibrate setting for a particular type. 134 * 135 * @see #VIBRATE_SETTING_CHANGED_ACTION 136 * @see #EXTRA_VIBRATE_TYPE 137 * @see #VIBRATE_SETTING_ON 138 * @see #VIBRATE_SETTING_OFF 139 * @see #VIBRATE_SETTING_ONLY_SILENT 140 * @deprecated Applications should maintain their own vibrate policy based on 141 * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. 142 */ 143 public static final String EXTRA_VIBRATE_SETTING = "android.media.EXTRA_VIBRATE_SETTING"; 144 145 /** 146 * The vibrate type whose setting has changed. 147 * 148 * @see #VIBRATE_SETTING_CHANGED_ACTION 149 * @see #VIBRATE_TYPE_NOTIFICATION 150 * @see #VIBRATE_TYPE_RINGER 151 * @deprecated Applications should maintain their own vibrate policy based on 152 * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. 153 */ 154 public static final String EXTRA_VIBRATE_TYPE = "android.media.EXTRA_VIBRATE_TYPE"; 155 156 /** 157 * @hide The stream type for the volume changed intent. 158 */ 159 public static final String EXTRA_VOLUME_STREAM_TYPE = "android.media.EXTRA_VOLUME_STREAM_TYPE"; 160 161 /** 162 * @hide The volume associated with the stream for the volume changed intent. 163 */ 164 public static final String EXTRA_VOLUME_STREAM_VALUE = 165 "android.media.EXTRA_VOLUME_STREAM_VALUE"; 166 167 /** 168 * @hide The previous volume associated with the stream for the volume changed intent. 169 */ 170 public static final String EXTRA_PREV_VOLUME_STREAM_VALUE = 171 "android.media.EXTRA_PREV_VOLUME_STREAM_VALUE"; 172 173 /** 174 * @hide The new master volume value for the master volume changed intent. 175 * Value is integer between 0 and 100 inclusive. 176 */ 177 public static final String EXTRA_MASTER_VOLUME_VALUE = 178 "android.media.EXTRA_MASTER_VOLUME_VALUE"; 179 180 /** 181 * @hide The previous master volume value for the master volume changed intent. 182 * Value is integer between 0 and 100 inclusive. 183 */ 184 public static final String EXTRA_PREV_MASTER_VOLUME_VALUE = 185 "android.media.EXTRA_PREV_MASTER_VOLUME_VALUE"; 186 187 /** 188 * @hide The new master volume mute state for the master mute changed intent. 189 * Value is boolean 190 */ 191 public static final String EXTRA_MASTER_VOLUME_MUTED = 192 "android.media.EXTRA_MASTER_VOLUME_MUTED"; 193 194 /** The audio stream for phone calls */ 195 public static final int STREAM_VOICE_CALL = AudioSystem.STREAM_VOICE_CALL; 196 /** The audio stream for system sounds */ 197 public static final int STREAM_SYSTEM = AudioSystem.STREAM_SYSTEM; 198 /** The audio stream for the phone ring */ 199 public static final int STREAM_RING = AudioSystem.STREAM_RING; 200 /** The audio stream for music playback */ 201 public static final int STREAM_MUSIC = AudioSystem.STREAM_MUSIC; 202 /** The audio stream for alarms */ 203 public static final int STREAM_ALARM = AudioSystem.STREAM_ALARM; 204 /** The audio stream for notifications */ 205 public static final int STREAM_NOTIFICATION = AudioSystem.STREAM_NOTIFICATION; 206 /** @hide The audio stream for phone calls when connected to bluetooth */ 207 public static final int STREAM_BLUETOOTH_SCO = AudioSystem.STREAM_BLUETOOTH_SCO; 208 /** @hide The audio stream for enforced system sounds in certain countries (e.g camera in Japan) */ 209 public static final int STREAM_SYSTEM_ENFORCED = AudioSystem.STREAM_SYSTEM_ENFORCED; 210 /** The audio stream for DTMF Tones */ 211 public static final int STREAM_DTMF = AudioSystem.STREAM_DTMF; 212 /** @hide The audio stream for text to speech (TTS) */ 213 public static final int STREAM_TTS = AudioSystem.STREAM_TTS; 214 /** Number of audio streams */ 215 /** 216 * @deprecated Use AudioSystem.getNumStreamTypes() instead 217 */ 218 @Deprecated public static final int NUM_STREAMS = AudioSystem.NUM_STREAMS; 219 220 221 /** @hide Default volume index values for audio streams */ 222 public static final int[] DEFAULT_STREAM_VOLUME = new int[] { 223 4, // STREAM_VOICE_CALL 224 7, // STREAM_SYSTEM 225 5, // STREAM_RING 226 11, // STREAM_MUSIC 227 6, // STREAM_ALARM 228 5, // STREAM_NOTIFICATION 229 7, // STREAM_BLUETOOTH_SCO 230 7, // STREAM_SYSTEM_ENFORCED 231 11, // STREAM_DTMF 232 11 // STREAM_TTS 233 }; 234 235 /** 236 * Increase the ringer volume. 237 * 238 * @see #adjustVolume(int, int) 239 * @see #adjustStreamVolume(int, int, int) 240 */ 241 public static final int ADJUST_RAISE = 1; 242 243 /** 244 * Decrease the ringer volume. 245 * 246 * @see #adjustVolume(int, int) 247 * @see #adjustStreamVolume(int, int, int) 248 */ 249 public static final int ADJUST_LOWER = -1; 250 251 /** 252 * Maintain the previous ringer volume. This may be useful when needing to 253 * show the volume toast without actually modifying the volume. 254 * 255 * @see #adjustVolume(int, int) 256 * @see #adjustStreamVolume(int, int, int) 257 */ 258 public static final int ADJUST_SAME = 0; 259 260 // Flags should be powers of 2! 261 262 /** 263 * Show a toast containing the current volume. 264 * 265 * @see #adjustStreamVolume(int, int, int) 266 * @see #adjustVolume(int, int) 267 * @see #setStreamVolume(int, int, int) 268 * @see #setRingerMode(int) 269 */ 270 public static final int FLAG_SHOW_UI = 1 << 0; 271 272 /** 273 * Whether to include ringer modes as possible options when changing volume. 274 * For example, if true and volume level is 0 and the volume is adjusted 275 * with {@link #ADJUST_LOWER}, then the ringer mode may switch the silent or 276 * vibrate mode. 277 * <p> 278 * By default this is on for the ring stream. If this flag is included, 279 * this behavior will be present regardless of the stream type being 280 * affected by the ringer mode. 281 * 282 * @see #adjustVolume(int, int) 283 * @see #adjustStreamVolume(int, int, int) 284 */ 285 public static final int FLAG_ALLOW_RINGER_MODES = 1 << 1; 286 287 /** 288 * Whether to play a sound when changing the volume. 289 * <p> 290 * If this is given to {@link #adjustVolume(int, int)} or 291 * {@link #adjustSuggestedStreamVolume(int, int, int)}, it may be ignored 292 * in some cases (for example, the decided stream type is not 293 * {@link AudioManager#STREAM_RING}, or the volume is being adjusted 294 * downward). 295 * 296 * @see #adjustStreamVolume(int, int, int) 297 * @see #adjustVolume(int, int) 298 * @see #setStreamVolume(int, int, int) 299 */ 300 public static final int FLAG_PLAY_SOUND = 1 << 2; 301 302 /** 303 * Removes any sounds/vibrate that may be in the queue, or are playing (related to 304 * changing volume). 305 */ 306 public static final int FLAG_REMOVE_SOUND_AND_VIBRATE = 1 << 3; 307 308 /** 309 * Whether to vibrate if going into the vibrate ringer mode. 310 */ 311 public static final int FLAG_VIBRATE = 1 << 4; 312 313 /** 314 * Ringer mode that will be silent and will not vibrate. (This overrides the 315 * vibrate setting.) 316 * 317 * @see #setRingerMode(int) 318 * @see #getRingerMode() 319 */ 320 public static final int RINGER_MODE_SILENT = 0; 321 322 /** 323 * Ringer mode that will be silent and will vibrate. (This will cause the 324 * phone ringer to always vibrate, but the notification vibrate to only 325 * vibrate if set.) 326 * 327 * @see #setRingerMode(int) 328 * @see #getRingerMode() 329 */ 330 public static final int RINGER_MODE_VIBRATE = 1; 331 332 /** 333 * Ringer mode that may be audible and may vibrate. It will be audible if 334 * the volume before changing out of this mode was audible. It will vibrate 335 * if the vibrate setting is on. 336 * 337 * @see #setRingerMode(int) 338 * @see #getRingerMode() 339 */ 340 public static final int RINGER_MODE_NORMAL = 2; 341 342 // maximum valid ringer mode value. Values must start from 0 and be contiguous. 343 private static final int RINGER_MODE_MAX = RINGER_MODE_NORMAL; 344 345 /** 346 * Vibrate type that corresponds to the ringer. 347 * 348 * @see #setVibrateSetting(int, int) 349 * @see #getVibrateSetting(int) 350 * @see #shouldVibrate(int) 351 * @deprecated Applications should maintain their own vibrate policy based on 352 * current ringer mode that can be queried via {@link #getRingerMode()}. 353 */ 354 public static final int VIBRATE_TYPE_RINGER = 0; 355 356 /** 357 * Vibrate type that corresponds to notifications. 358 * 359 * @see #setVibrateSetting(int, int) 360 * @see #getVibrateSetting(int) 361 * @see #shouldVibrate(int) 362 * @deprecated Applications should maintain their own vibrate policy based on 363 * current ringer mode that can be queried via {@link #getRingerMode()}. 364 */ 365 public static final int VIBRATE_TYPE_NOTIFICATION = 1; 366 367 /** 368 * Vibrate setting that suggests to never vibrate. 369 * 370 * @see #setVibrateSetting(int, int) 371 * @see #getVibrateSetting(int) 372 * @deprecated Applications should maintain their own vibrate policy based on 373 * current ringer mode that can be queried via {@link #getRingerMode()}. 374 */ 375 public static final int VIBRATE_SETTING_OFF = 0; 376 377 /** 378 * Vibrate setting that suggests to vibrate when possible. 379 * 380 * @see #setVibrateSetting(int, int) 381 * @see #getVibrateSetting(int) 382 * @deprecated Applications should maintain their own vibrate policy based on 383 * current ringer mode that can be queried via {@link #getRingerMode()}. 384 */ 385 public static final int VIBRATE_SETTING_ON = 1; 386 387 /** 388 * Vibrate setting that suggests to only vibrate when in the vibrate ringer 389 * mode. 390 * 391 * @see #setVibrateSetting(int, int) 392 * @see #getVibrateSetting(int) 393 * @deprecated Applications should maintain their own vibrate policy based on 394 * current ringer mode that can be queried via {@link #getRingerMode()}. 395 */ 396 public static final int VIBRATE_SETTING_ONLY_SILENT = 2; 397 398 /** 399 * Suggests using the default stream type. This may not be used in all 400 * places a stream type is needed. 401 */ 402 public static final int USE_DEFAULT_STREAM_TYPE = Integer.MIN_VALUE; 403 404 private static IAudioService sService; 405 406 /** 407 * @hide 408 */ 409 public AudioManager(Context context) { 410 mContext = context; 411 mUseMasterVolume = mContext.getResources().getBoolean( 412 com.android.internal.R.bool.config_useMasterVolume); 413 mUseVolumeKeySounds = mContext.getResources().getBoolean( 414 com.android.internal.R.bool.config_useVolumeKeySounds); 415 } 416 417 private static IAudioService getService() 418 { 419 if (sService != null) { 420 return sService; 421 } 422 IBinder b = ServiceManager.getService(Context.AUDIO_SERVICE); 423 sService = IAudioService.Stub.asInterface(b); 424 return sService; 425 } 426 427 /** 428 * @hide 429 */ 430 public void preDispatchKeyEvent(KeyEvent event, int stream) { 431 /* 432 * If the user hits another key within the play sound delay, then 433 * cancel the sound 434 */ 435 int keyCode = event.getKeyCode(); 436 if (keyCode != KeyEvent.KEYCODE_VOLUME_DOWN && keyCode != KeyEvent.KEYCODE_VOLUME_UP 437 && keyCode != KeyEvent.KEYCODE_VOLUME_MUTE 438 && mVolumeKeyUpTime + VolumePanel.PLAY_SOUND_DELAY 439 > SystemClock.uptimeMillis()) { 440 /* 441 * The user has hit another key during the delay (e.g., 300ms) 442 * since the last volume key up, so cancel any sounds. 443 */ 444 if (mUseMasterVolume) { 445 adjustMasterVolume(ADJUST_SAME, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE); 446 } else { 447 adjustSuggestedStreamVolume(ADJUST_SAME, 448 stream, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE); 449 } 450 } 451 } 452 453 /** 454 * @hide 455 */ 456 public void handleKeyDown(KeyEvent event, int stream) { 457 int keyCode = event.getKeyCode(); 458 switch (keyCode) { 459 case KeyEvent.KEYCODE_VOLUME_UP: 460 case KeyEvent.KEYCODE_VOLUME_DOWN: 461 /* 462 * Adjust the volume in on key down since it is more 463 * responsive to the user. 464 */ 465 int flags = FLAG_SHOW_UI | FLAG_VIBRATE; 466 467 if (mUseMasterVolume) { 468 adjustMasterVolume( 469 keyCode == KeyEvent.KEYCODE_VOLUME_UP 470 ? ADJUST_RAISE 471 : ADJUST_LOWER, 472 flags); 473 } else { 474 adjustSuggestedStreamVolume( 475 keyCode == KeyEvent.KEYCODE_VOLUME_UP 476 ? ADJUST_RAISE 477 : ADJUST_LOWER, 478 stream, 479 flags); 480 } 481 break; 482 case KeyEvent.KEYCODE_VOLUME_MUTE: 483 if (event.getRepeatCount() == 0) { 484 if (mUseMasterVolume) { 485 setMasterMute(!isMasterMute()); 486 } else { 487 // TODO: Actually handle MUTE. 488 } 489 } 490 break; 491 } 492 } 493 494 /** 495 * @hide 496 */ 497 public void handleKeyUp(KeyEvent event, int stream) { 498 int keyCode = event.getKeyCode(); 499 switch (keyCode) { 500 case KeyEvent.KEYCODE_VOLUME_UP: 501 case KeyEvent.KEYCODE_VOLUME_DOWN: 502 /* 503 * Play a sound. This is done on key up since we don't want the 504 * sound to play when a user holds down volume down to mute. 505 */ 506 if (mUseVolumeKeySounds) { 507 if (mUseMasterVolume) { 508 adjustMasterVolume(ADJUST_SAME, FLAG_PLAY_SOUND); 509 } else { 510 int flags = FLAG_PLAY_SOUND; 511 adjustSuggestedStreamVolume( 512 ADJUST_SAME, 513 stream, 514 flags); 515 } 516 } 517 mVolumeKeyUpTime = SystemClock.uptimeMillis(); 518 break; 519 } 520 } 521 522 /** 523 * Adjusts the volume of a particular stream by one step in a direction. 524 * <p> 525 * This method should only be used by applications that replace the platform-wide 526 * management of audio settings or the main telephony application. 527 * 528 * @param streamType The stream type to adjust. One of {@link #STREAM_VOICE_CALL}, 529 * {@link #STREAM_SYSTEM}, {@link #STREAM_RING}, {@link #STREAM_MUSIC} or 530 * {@link #STREAM_ALARM} 531 * @param direction The direction to adjust the volume. One of 532 * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or 533 * {@link #ADJUST_SAME}. 534 * @param flags One or more flags. 535 * @see #adjustVolume(int, int) 536 * @see #setStreamVolume(int, int, int) 537 */ 538 public void adjustStreamVolume(int streamType, int direction, int flags) { 539 IAudioService service = getService(); 540 try { 541 if (mUseMasterVolume) { 542 service.adjustMasterVolume(direction, flags); 543 } else { 544 service.adjustStreamVolume(streamType, direction, flags); 545 } 546 } catch (RemoteException e) { 547 Log.e(TAG, "Dead object in adjustStreamVolume", e); 548 } 549 } 550 551 /** 552 * Adjusts the volume of the most relevant stream. For example, if a call is 553 * active, it will have the highest priority regardless of if the in-call 554 * screen is showing. Another example, if music is playing in the background 555 * and a call is not active, the music stream will be adjusted. 556 * <p> 557 * This method should only be used by applications that replace the platform-wide 558 * management of audio settings or the main telephony application. 559 * 560 * @param direction The direction to adjust the volume. One of 561 * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or 562 * {@link #ADJUST_SAME}. 563 * @param flags One or more flags. 564 * @see #adjustSuggestedStreamVolume(int, int, int) 565 * @see #adjustStreamVolume(int, int, int) 566 * @see #setStreamVolume(int, int, int) 567 */ 568 public void adjustVolume(int direction, int flags) { 569 IAudioService service = getService(); 570 try { 571 if (mUseMasterVolume) { 572 service.adjustMasterVolume(direction, flags); 573 } else { 574 service.adjustVolume(direction, flags); 575 } 576 } catch (RemoteException e) { 577 Log.e(TAG, "Dead object in adjustVolume", e); 578 } 579 } 580 581 /** 582 * Adjusts the volume of the most relevant stream, or the given fallback 583 * stream. 584 * <p> 585 * This method should only be used by applications that replace the platform-wide 586 * management of audio settings or the main telephony application. 587 * 588 * @param direction The direction to adjust the volume. One of 589 * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or 590 * {@link #ADJUST_SAME}. 591 * @param suggestedStreamType The stream type that will be used if there 592 * isn't a relevant stream. {@link #USE_DEFAULT_STREAM_TYPE} is valid here. 593 * @param flags One or more flags. 594 * @see #adjustVolume(int, int) 595 * @see #adjustStreamVolume(int, int, int) 596 * @see #setStreamVolume(int, int, int) 597 */ 598 public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { 599 IAudioService service = getService(); 600 try { 601 if (mUseMasterVolume) { 602 service.adjustMasterVolume(direction, flags); 603 } else { 604 service.adjustSuggestedStreamVolume(direction, suggestedStreamType, flags); 605 } 606 } catch (RemoteException e) { 607 Log.e(TAG, "Dead object in adjustSuggestedStreamVolume", e); 608 } 609 } 610 611 /** 612 * Adjusts the master volume for the device's audio amplifier. 613 * <p> 614 * 615 * @param steps The number of volume steps to adjust. A positive 616 * value will raise the volume. 617 * @param flags One or more flags. 618 * @hide 619 */ 620 public void adjustMasterVolume(int steps, int flags) { 621 IAudioService service = getService(); 622 try { 623 service.adjustMasterVolume(steps, flags); 624 } catch (RemoteException e) { 625 Log.e(TAG, "Dead object in adjustMasterVolume", e); 626 } 627 } 628 629 /** 630 * Returns the current ringtone mode. 631 * 632 * @return The current ringtone mode, one of {@link #RINGER_MODE_NORMAL}, 633 * {@link #RINGER_MODE_SILENT}, or {@link #RINGER_MODE_VIBRATE}. 634 * @see #setRingerMode(int) 635 */ 636 public int getRingerMode() { 637 IAudioService service = getService(); 638 try { 639 return service.getRingerMode(); 640 } catch (RemoteException e) { 641 Log.e(TAG, "Dead object in getRingerMode", e); 642 return RINGER_MODE_NORMAL; 643 } 644 } 645 646 /** 647 * Checks valid ringer mode values. 648 * 649 * @return true if the ringer mode indicated is valid, false otherwise. 650 * 651 * @see #setRingerMode(int) 652 * @hide 653 */ 654 public static boolean isValidRingerMode(int ringerMode) { 655 if (ringerMode < 0 || ringerMode > RINGER_MODE_MAX) { 656 return false; 657 } 658 return true; 659 } 660 661 /** 662 * Returns the maximum volume index for a particular stream. 663 * 664 * @param streamType The stream type whose maximum volume index is returned. 665 * @return The maximum valid volume index for the stream. 666 * @see #getStreamVolume(int) 667 */ 668 public int getStreamMaxVolume(int streamType) { 669 IAudioService service = getService(); 670 try { 671 if (mUseMasterVolume) { 672 return service.getMasterMaxVolume(); 673 } else { 674 return service.getStreamMaxVolume(streamType); 675 } 676 } catch (RemoteException e) { 677 Log.e(TAG, "Dead object in getStreamMaxVolume", e); 678 return 0; 679 } 680 } 681 682 /** 683 * Returns the current volume index for a particular stream. 684 * 685 * @param streamType The stream type whose volume index is returned. 686 * @return The current volume index for the stream. 687 * @see #getStreamMaxVolume(int) 688 * @see #setStreamVolume(int, int, int) 689 */ 690 public int getStreamVolume(int streamType) { 691 IAudioService service = getService(); 692 try { 693 if (mUseMasterVolume) { 694 return service.getMasterVolume(); 695 } else { 696 return service.getStreamVolume(streamType); 697 } 698 } catch (RemoteException e) { 699 Log.e(TAG, "Dead object in getStreamVolume", e); 700 return 0; 701 } 702 } 703 704 /** 705 * Get last audible volume before stream was muted. 706 * 707 * @hide 708 */ 709 public int getLastAudibleStreamVolume(int streamType) { 710 IAudioService service = getService(); 711 try { 712 if (mUseMasterVolume) { 713 return service.getLastAudibleMasterVolume(); 714 } else { 715 return service.getLastAudibleStreamVolume(streamType); 716 } 717 } catch (RemoteException e) { 718 Log.e(TAG, "Dead object in getLastAudibleStreamVolume", e); 719 return 0; 720 } 721 } 722 723 /** 724 * Get the stream type whose volume is driving the UI sounds volume. 725 * UI sounds are screen lock/unlock, camera shutter, key clicks... 726 * @hide 727 */ 728 public int getMasterStreamType() { 729 IAudioService service = getService(); 730 try { 731 return service.getMasterStreamType(); 732 } catch (RemoteException e) { 733 Log.e(TAG, "Dead object in getMasterStreamType", e); 734 return STREAM_RING; 735 } 736 } 737 738 /** 739 * Sets the ringer mode. 740 * <p> 741 * Silent mode will mute the volume and will not vibrate. Vibrate mode will 742 * mute the volume and vibrate. Normal mode will be audible and may vibrate 743 * according to user settings. 744 * 745 * @param ringerMode The ringer mode, one of {@link #RINGER_MODE_NORMAL}, 746 * {@link #RINGER_MODE_SILENT}, or {@link #RINGER_MODE_VIBRATE}. 747 * @see #getRingerMode() 748 */ 749 public void setRingerMode(int ringerMode) { 750 if (!isValidRingerMode(ringerMode)) { 751 return; 752 } 753 IAudioService service = getService(); 754 try { 755 service.setRingerMode(ringerMode); 756 } catch (RemoteException e) { 757 Log.e(TAG, "Dead object in setRingerMode", e); 758 } 759 } 760 761 /** 762 * Sets the volume index for a particular stream. 763 * 764 * @param streamType The stream whose volume index should be set. 765 * @param index The volume index to set. See 766 * {@link #getStreamMaxVolume(int)} for the largest valid value. 767 * @param flags One or more flags. 768 * @see #getStreamMaxVolume(int) 769 * @see #getStreamVolume(int) 770 */ 771 public void setStreamVolume(int streamType, int index, int flags) { 772 IAudioService service = getService(); 773 try { 774 if (mUseMasterVolume) { 775 service.setMasterVolume(index, flags); 776 } else { 777 service.setStreamVolume(streamType, index, flags); 778 } 779 } catch (RemoteException e) { 780 Log.e(TAG, "Dead object in setStreamVolume", e); 781 } 782 } 783 784 /** 785 * Returns the maximum volume index for master volume. 786 * 787 * @hide 788 */ 789 public int getMasterMaxVolume() { 790 IAudioService service = getService(); 791 try { 792 return service.getMasterMaxVolume(); 793 } catch (RemoteException e) { 794 Log.e(TAG, "Dead object in getMasterMaxVolume", e); 795 return 0; 796 } 797 } 798 799 /** 800 * Returns the current volume index for master volume. 801 * 802 * @return The current volume index for master volume. 803 * @hide 804 */ 805 public int getMasterVolume() { 806 IAudioService service = getService(); 807 try { 808 return service.getMasterVolume(); 809 } catch (RemoteException e) { 810 Log.e(TAG, "Dead object in getMasterVolume", e); 811 return 0; 812 } 813 } 814 815 /** 816 * Get last audible volume before master volume was muted. 817 * 818 * @hide 819 */ 820 public int getLastAudibleMasterVolume() { 821 IAudioService service = getService(); 822 try { 823 return service.getLastAudibleMasterVolume(); 824 } catch (RemoteException e) { 825 Log.e(TAG, "Dead object in getLastAudibleMasterVolume", e); 826 return 0; 827 } 828 } 829 830 /** 831 * Sets the volume index for master volume. 832 * 833 * @param index The volume index to set. See 834 * {@link #getMasterMaxVolume(int)} for the largest valid value. 835 * @param flags One or more flags. 836 * @see #getMasterMaxVolume(int) 837 * @see #getMasterVolume(int) 838 * @hide 839 */ 840 public void setMasterVolume(int index, int flags) { 841 IAudioService service = getService(); 842 try { 843 service.setMasterVolume(index, flags); 844 } catch (RemoteException e) { 845 Log.e(TAG, "Dead object in setMasterVolume", e); 846 } 847 } 848 849 /** 850 * Solo or unsolo a particular stream. All other streams are muted. 851 * <p> 852 * The solo command is protected against client process death: if a process 853 * with an active solo request on a stream dies, all streams that were muted 854 * because of this request will be unmuted automatically. 855 * <p> 856 * The solo requests for a given stream are cumulative: the AudioManager 857 * can receive several solo requests from one or more clients and the stream 858 * will be unsoloed only when the same number of unsolo requests are received. 859 * <p> 860 * For a better user experience, applications MUST unsolo a soloed stream 861 * in onPause() and solo is again in onResume() if appropriate. 862 * 863 * @param streamType The stream to be soloed/unsoloed. 864 * @param state The required solo state: true for solo ON, false for solo OFF 865 */ 866 public void setStreamSolo(int streamType, boolean state) { 867 IAudioService service = getService(); 868 try { 869 service.setStreamSolo(streamType, state, mICallBack); 870 } catch (RemoteException e) { 871 Log.e(TAG, "Dead object in setStreamSolo", e); 872 } 873 } 874 875 /** 876 * Mute or unmute an audio stream. 877 * <p> 878 * The mute command is protected against client process death: if a process 879 * with an active mute request on a stream dies, this stream will be unmuted 880 * automatically. 881 * <p> 882 * The mute requests for a given stream are cumulative: the AudioManager 883 * can receive several mute requests from one or more clients and the stream 884 * will be unmuted only when the same number of unmute requests are received. 885 * <p> 886 * For a better user experience, applications MUST unmute a muted stream 887 * in onPause() and mute is again in onResume() if appropriate. 888 * <p> 889 * This method should only be used by applications that replace the platform-wide 890 * management of audio settings or the main telephony application. 891 * 892 * @param streamType The stream to be muted/unmuted. 893 * @param state The required mute state: true for mute ON, false for mute OFF 894 */ 895 public void setStreamMute(int streamType, boolean state) { 896 IAudioService service = getService(); 897 try { 898 service.setStreamMute(streamType, state, mICallBack); 899 } catch (RemoteException e) { 900 Log.e(TAG, "Dead object in setStreamMute", e); 901 } 902 } 903 904 /** 905 * get stream mute state. 906 * 907 * @hide 908 */ 909 public boolean isStreamMute(int streamType) { 910 IAudioService service = getService(); 911 try { 912 return service.isStreamMute(streamType); 913 } catch (RemoteException e) { 914 Log.e(TAG, "Dead object in isStreamMute", e); 915 return false; 916 } 917 } 918 919 /** 920 * set master mute state. 921 * 922 * @hide 923 */ 924 public void setMasterMute(boolean state) { 925 setMasterMute(state, FLAG_SHOW_UI); 926 } 927 928 /** 929 * set master mute state with optional flags. 930 * 931 * @hide 932 */ 933 public void setMasterMute(boolean state, int flags) { 934 IAudioService service = getService(); 935 try { 936 service.setMasterMute(state, flags, mICallBack); 937 } catch (RemoteException e) { 938 Log.e(TAG, "Dead object in setMasterMute", e); 939 } 940 } 941 942 /** 943 * get master mute state. 944 * 945 * @hide 946 */ 947 public boolean isMasterMute() { 948 IAudioService service = getService(); 949 try { 950 return service.isMasterMute(); 951 } catch (RemoteException e) { 952 Log.e(TAG, "Dead object in isMasterMute", e); 953 return false; 954 } 955 } 956 957 /** 958 * forces the stream controlled by hard volume keys 959 * specifying streamType == -1 releases control to the 960 * logic. 961 * 962 * @hide 963 */ 964 public void forceVolumeControlStream(int streamType) { 965 IAudioService service = getService(); 966 try { 967 service.forceVolumeControlStream(streamType, mICallBack); 968 } catch (RemoteException e) { 969 Log.e(TAG, "Dead object in forceVolumeControlStream", e); 970 } 971 } 972 973 /** 974 * Returns whether a particular type should vibrate according to user 975 * settings and the current ringer mode. 976 * <p> 977 * This shouldn't be needed by most clients that use notifications to 978 * vibrate. The notification manager will not vibrate if the policy doesn't 979 * allow it, so the client should always set a vibrate pattern and let the 980 * notification manager control whether or not to actually vibrate. 981 * 982 * @param vibrateType The type of vibrate. One of 983 * {@link #VIBRATE_TYPE_NOTIFICATION} or 984 * {@link #VIBRATE_TYPE_RINGER}. 985 * @return Whether the type should vibrate at the instant this method is 986 * called. 987 * @see #setVibrateSetting(int, int) 988 * @see #getVibrateSetting(int) 989 * @deprecated Applications should maintain their own vibrate policy based on 990 * current ringer mode that can be queried via {@link #getRingerMode()}. 991 */ 992 public boolean shouldVibrate(int vibrateType) { 993 IAudioService service = getService(); 994 try { 995 return service.shouldVibrate(vibrateType); 996 } catch (RemoteException e) { 997 Log.e(TAG, "Dead object in shouldVibrate", e); 998 return false; 999 } 1000 } 1001 1002 /** 1003 * Returns whether the user's vibrate setting for a vibrate type. 1004 * <p> 1005 * This shouldn't be needed by most clients that want to vibrate, instead 1006 * see {@link #shouldVibrate(int)}. 1007 * 1008 * @param vibrateType The type of vibrate. One of 1009 * {@link #VIBRATE_TYPE_NOTIFICATION} or 1010 * {@link #VIBRATE_TYPE_RINGER}. 1011 * @return The vibrate setting, one of {@link #VIBRATE_SETTING_ON}, 1012 * {@link #VIBRATE_SETTING_OFF}, or 1013 * {@link #VIBRATE_SETTING_ONLY_SILENT}. 1014 * @see #setVibrateSetting(int, int) 1015 * @see #shouldVibrate(int) 1016 * @deprecated Applications should maintain their own vibrate policy based on 1017 * current ringer mode that can be queried via {@link #getRingerMode()}. 1018 */ 1019 public int getVibrateSetting(int vibrateType) { 1020 IAudioService service = getService(); 1021 try { 1022 return service.getVibrateSetting(vibrateType); 1023 } catch (RemoteException e) { 1024 Log.e(TAG, "Dead object in getVibrateSetting", e); 1025 return VIBRATE_SETTING_OFF; 1026 } 1027 } 1028 1029 /** 1030 * Sets the setting for when the vibrate type should vibrate. 1031 * <p> 1032 * This method should only be used by applications that replace the platform-wide 1033 * management of audio settings or the main telephony application. 1034 * 1035 * @param vibrateType The type of vibrate. One of 1036 * {@link #VIBRATE_TYPE_NOTIFICATION} or 1037 * {@link #VIBRATE_TYPE_RINGER}. 1038 * @param vibrateSetting The vibrate setting, one of 1039 * {@link #VIBRATE_SETTING_ON}, 1040 * {@link #VIBRATE_SETTING_OFF}, or 1041 * {@link #VIBRATE_SETTING_ONLY_SILENT}. 1042 * @see #getVibrateSetting(int) 1043 * @see #shouldVibrate(int) 1044 * @deprecated Applications should maintain their own vibrate policy based on 1045 * current ringer mode that can be queried via {@link #getRingerMode()}. 1046 */ 1047 public void setVibrateSetting(int vibrateType, int vibrateSetting) { 1048 IAudioService service = getService(); 1049 try { 1050 service.setVibrateSetting(vibrateType, vibrateSetting); 1051 } catch (RemoteException e) { 1052 Log.e(TAG, "Dead object in setVibrateSetting", e); 1053 } 1054 } 1055 1056 /** 1057 * Sets the speakerphone on or off. 1058 * <p> 1059 * This method should only be used by applications that replace the platform-wide 1060 * management of audio settings or the main telephony application. 1061 * 1062 * @param on set <var>true</var> to turn on speakerphone; 1063 * <var>false</var> to turn it off 1064 */ 1065 public void setSpeakerphoneOn(boolean on){ 1066 IAudioService service = getService(); 1067 try { 1068 service.setSpeakerphoneOn(on); 1069 } catch (RemoteException e) { 1070 Log.e(TAG, "Dead object in setSpeakerphoneOn", e); 1071 } 1072 } 1073 1074 /** 1075 * Checks whether the speakerphone is on or off. 1076 * 1077 * @return true if speakerphone is on, false if it's off 1078 */ 1079 public boolean isSpeakerphoneOn() { 1080 IAudioService service = getService(); 1081 try { 1082 return service.isSpeakerphoneOn(); 1083 } catch (RemoteException e) { 1084 Log.e(TAG, "Dead object in isSpeakerphoneOn", e); 1085 return false; 1086 } 1087 } 1088 1089 //==================================================================== 1090 // Bluetooth SCO control 1091 /** 1092 * Sticky broadcast intent action indicating that the bluetoooth SCO audio 1093 * connection state has changed. The intent contains on extra {@link #EXTRA_SCO_AUDIO_STATE} 1094 * indicating the new state which is either {@link #SCO_AUDIO_STATE_DISCONNECTED} 1095 * or {@link #SCO_AUDIO_STATE_CONNECTED} 1096 * 1097 * @see #startBluetoothSco() 1098 * @deprecated Use {@link #ACTION_SCO_AUDIO_STATE_UPDATED} instead 1099 */ 1100 @Deprecated 1101 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1102 public static final String ACTION_SCO_AUDIO_STATE_CHANGED = 1103 "android.media.SCO_AUDIO_STATE_CHANGED"; 1104 1105 /** 1106 * Sticky broadcast intent action indicating that the bluetoooth SCO audio 1107 * connection state has been updated. 1108 * <p>This intent has two extras: 1109 * <ul> 1110 * <li> {@link #EXTRA_SCO_AUDIO_STATE} - The new SCO audio state. </li> 1111 * <li> {@link #EXTRA_SCO_AUDIO_PREVIOUS_STATE}- The previous SCO audio state. </li> 1112 * </ul> 1113 * <p> EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE can be any of: 1114 * <ul> 1115 * <li> {@link #SCO_AUDIO_STATE_DISCONNECTED}, </li> 1116 * <li> {@link #SCO_AUDIO_STATE_CONNECTING} or </li> 1117 * <li> {@link #SCO_AUDIO_STATE_CONNECTED}, </li> 1118 * </ul> 1119 * @see #startBluetoothSco() 1120 */ 1121 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 1122 public static final String ACTION_SCO_AUDIO_STATE_UPDATED = 1123 "android.media.ACTION_SCO_AUDIO_STATE_UPDATED"; 1124 1125 /** 1126 * Extra for intent {@link #ACTION_SCO_AUDIO_STATE_CHANGED} or 1127 * {@link #ACTION_SCO_AUDIO_STATE_UPDATED} containing the new bluetooth SCO connection state. 1128 */ 1129 public static final String EXTRA_SCO_AUDIO_STATE = 1130 "android.media.extra.SCO_AUDIO_STATE"; 1131 1132 /** 1133 * Extra for intent {@link #ACTION_SCO_AUDIO_STATE_UPDATED} containing the previous 1134 * bluetooth SCO connection state. 1135 */ 1136 public static final String EXTRA_SCO_AUDIO_PREVIOUS_STATE = 1137 "android.media.extra.SCO_AUDIO_PREVIOUS_STATE"; 1138 1139 /** 1140 * Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE 1141 * indicating that the SCO audio channel is not established 1142 */ 1143 public static final int SCO_AUDIO_STATE_DISCONNECTED = 0; 1144 /** 1145 * Value for extra {@link #EXTRA_SCO_AUDIO_STATE} or {@link #EXTRA_SCO_AUDIO_PREVIOUS_STATE} 1146 * indicating that the SCO audio channel is established 1147 */ 1148 public static final int SCO_AUDIO_STATE_CONNECTED = 1; 1149 /** 1150 * Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE 1151 * indicating that the SCO audio channel is being established 1152 */ 1153 public static final int SCO_AUDIO_STATE_CONNECTING = 2; 1154 /** 1155 * Value for extra EXTRA_SCO_AUDIO_STATE indicating that 1156 * there was an error trying to obtain the state 1157 */ 1158 public static final int SCO_AUDIO_STATE_ERROR = -1; 1159 1160 1161 /** 1162 * Indicates if current platform supports use of SCO for off call use cases. 1163 * Application wanted to use bluetooth SCO audio when the phone is not in call 1164 * must first call thsi method to make sure that the platform supports this 1165 * feature. 1166 * @return true if bluetooth SCO can be used for audio when not in call 1167 * false otherwise 1168 * @see #startBluetoothSco() 1169 */ 1170 public boolean isBluetoothScoAvailableOffCall() { 1171 return mContext.getResources().getBoolean( 1172 com.android.internal.R.bool.config_bluetooth_sco_off_call); 1173 } 1174 1175 /** 1176 * Start bluetooth SCO audio connection. 1177 * <p>Requires Permission: 1178 * {@link android.Manifest.permission#MODIFY_AUDIO_SETTINGS}. 1179 * <p>This method can be used by applications wanting to send and received audio 1180 * to/from a bluetooth SCO headset while the phone is not in call. 1181 * <p>As the SCO connection establishment can take several seconds, 1182 * applications should not rely on the connection to be available when the method 1183 * returns but instead register to receive the intent {@link #ACTION_SCO_AUDIO_STATE_UPDATED} 1184 * and wait for the state to be {@link #SCO_AUDIO_STATE_CONNECTED}. 1185 * <p>As the ACTION_SCO_AUDIO_STATE_UPDATED intent is sticky, the application can check the SCO 1186 * audio state before calling startBluetoothSco() by reading the intent returned by the receiver 1187 * registration. If the state is already CONNECTED, no state change will be received via the 1188 * intent after calling startBluetoothSco(). It is however useful to call startBluetoothSco() 1189 * so that the connection stays active in case the current initiator stops the connection. 1190 * <p>Unless the connection is already active as described above, the state will always 1191 * transition from DISCONNECTED to CONNECTING and then either to CONNECTED if the connection 1192 * succeeds or back to DISCONNECTED if the connection fails (e.g no headset is connected). 1193 * <p>When finished with the SCO connection or if the establishment fails, the application must 1194 * call {@link #stopBluetoothSco()} to clear the request and turn down the bluetooth connection. 1195 * <p>Even if a SCO connection is established, the following restrictions apply on audio 1196 * output streams so that they can be routed to SCO headset: 1197 * <ul> 1198 * <li> the stream type must be {@link #STREAM_VOICE_CALL} </li> 1199 * <li> the format must be mono </li> 1200 * <li> the sampling must be 16kHz or 8kHz </li> 1201 * </ul> 1202 * <p>The following restrictions apply on input streams: 1203 * <ul> 1204 * <li> the format must be mono </li> 1205 * <li> the sampling must be 8kHz </li> 1206 * </ul> 1207 * <p>Note that the phone application always has the priority on the usage of the SCO 1208 * connection for telephony. If this method is called while the phone is in call 1209 * it will be ignored. Similarly, if a call is received or sent while an application 1210 * is using the SCO connection, the connection will be lost for the application and NOT 1211 * returned automatically when the call ends. 1212 * @see #stopBluetoothSco() 1213 * @see #ACTION_SCO_AUDIO_STATE_UPDATED 1214 */ 1215 public void startBluetoothSco(){ 1216 IAudioService service = getService(); 1217 try { 1218 service.startBluetoothSco(mICallBack); 1219 } catch (RemoteException e) { 1220 Log.e(TAG, "Dead object in startBluetoothSco", e); 1221 } 1222 } 1223 1224 /** 1225 * Stop bluetooth SCO audio connection. 1226 * <p>Requires Permission: 1227 * {@link android.Manifest.permission#MODIFY_AUDIO_SETTINGS}. 1228 * <p>This method must be called by applications having requested the use of 1229 * bluetooth SCO audio with {@link #startBluetoothSco()} 1230 * when finished with the SCO connection or if connection fails. 1231 * @see #startBluetoothSco() 1232 */ 1233 public void stopBluetoothSco(){ 1234 IAudioService service = getService(); 1235 try { 1236 service.stopBluetoothSco(mICallBack); 1237 } catch (RemoteException e) { 1238 Log.e(TAG, "Dead object in stopBluetoothSco", e); 1239 } 1240 } 1241 1242 /** 1243 * Request use of Bluetooth SCO headset for communications. 1244 * <p> 1245 * This method should only be used by applications that replace the platform-wide 1246 * management of audio settings or the main telephony application. 1247 * 1248 * @param on set <var>true</var> to use bluetooth SCO for communications; 1249 * <var>false</var> to not use bluetooth SCO for communications 1250 */ 1251 public void setBluetoothScoOn(boolean on){ 1252 IAudioService service = getService(); 1253 try { 1254 service.setBluetoothScoOn(on); 1255 } catch (RemoteException e) { 1256 Log.e(TAG, "Dead object in setBluetoothScoOn", e); 1257 } 1258 } 1259 1260 /** 1261 * Checks whether communications use Bluetooth SCO. 1262 * 1263 * @return true if SCO is used for communications; 1264 * false if otherwise 1265 */ 1266 public boolean isBluetoothScoOn() { 1267 IAudioService service = getService(); 1268 try { 1269 return service.isBluetoothScoOn(); 1270 } catch (RemoteException e) { 1271 Log.e(TAG, "Dead object in isBluetoothScoOn", e); 1272 return false; 1273 } 1274 } 1275 1276 /** 1277 * @param on set <var>true</var> to route A2DP audio to/from Bluetooth 1278 * headset; <var>false</var> disable A2DP audio 1279 * @deprecated Do not use. 1280 */ 1281 @Deprecated public void setBluetoothA2dpOn(boolean on){ 1282 } 1283 1284 /** 1285 * Checks whether A2DP audio routing to the Bluetooth headset is on or off. 1286 * 1287 * @return true if A2DP audio is being routed to/from Bluetooth headset; 1288 * false if otherwise 1289 */ 1290 public boolean isBluetoothA2dpOn() { 1291 if (AudioSystem.getDeviceConnectionState(DEVICE_OUT_BLUETOOTH_A2DP,"") 1292 == AudioSystem.DEVICE_STATE_UNAVAILABLE) { 1293 return false; 1294 } else { 1295 return true; 1296 } 1297 } 1298 1299 /** 1300 * Sets audio routing to the wired headset on or off. 1301 * 1302 * @param on set <var>true</var> to route audio to/from wired 1303 * headset; <var>false</var> disable wired headset audio 1304 * @deprecated Do not use. 1305 */ 1306 @Deprecated public void setWiredHeadsetOn(boolean on){ 1307 } 1308 1309 /** 1310 * Checks whether a wired headset is connected or not. 1311 * <p>This is not a valid indication that audio playback is 1312 * actually over the wired headset as audio routing depends on other conditions. 1313 * 1314 * @return true if a wired headset is connected. 1315 * false if otherwise 1316 * @deprecated Use only to check is a headset is connected or not. 1317 */ 1318 public boolean isWiredHeadsetOn() { 1319 if (AudioSystem.getDeviceConnectionState(DEVICE_OUT_WIRED_HEADSET,"") 1320 == AudioSystem.DEVICE_STATE_UNAVAILABLE && 1321 AudioSystem.getDeviceConnectionState(DEVICE_OUT_WIRED_HEADPHONE,"") 1322 == AudioSystem.DEVICE_STATE_UNAVAILABLE) { 1323 return false; 1324 } else { 1325 return true; 1326 } 1327 } 1328 1329 /** 1330 * Sets the microphone mute on or off. 1331 * <p> 1332 * This method should only be used by applications that replace the platform-wide 1333 * management of audio settings or the main telephony application. 1334 * 1335 * @param on set <var>true</var> to mute the microphone; 1336 * <var>false</var> to turn mute off 1337 */ 1338 public void setMicrophoneMute(boolean on){ 1339 AudioSystem.muteMicrophone(on); 1340 } 1341 1342 /** 1343 * Checks whether the microphone mute is on or off. 1344 * 1345 * @return true if microphone is muted, false if it's not 1346 */ 1347 public boolean isMicrophoneMute() { 1348 return AudioSystem.isMicrophoneMuted(); 1349 } 1350 1351 /** 1352 * Sets the audio mode. 1353 * <p> 1354 * The audio mode encompasses audio routing AND the behavior of 1355 * the telephony layer. Therefore this method should only be used by applications that 1356 * replace the platform-wide management of audio settings or the main telephony application. 1357 * In particular, the {@link #MODE_IN_CALL} mode should only be used by the telephony 1358 * application when it places a phone call, as it will cause signals from the radio layer 1359 * to feed the platform mixer. 1360 * 1361 * @param mode the requested audio mode ({@link #MODE_NORMAL}, {@link #MODE_RINGTONE}, 1362 * {@link #MODE_IN_CALL} or {@link #MODE_IN_COMMUNICATION}). 1363 * Informs the HAL about the current audio state so that 1364 * it can route the audio appropriately. 1365 */ 1366 public void setMode(int mode) { 1367 IAudioService service = getService(); 1368 try { 1369 service.setMode(mode, mICallBack); 1370 } catch (RemoteException e) { 1371 Log.e(TAG, "Dead object in setMode", e); 1372 } 1373 } 1374 1375 /** 1376 * Returns the current audio mode. 1377 * 1378 * @return the current audio mode ({@link #MODE_NORMAL}, {@link #MODE_RINGTONE}, 1379 * {@link #MODE_IN_CALL} or {@link #MODE_IN_COMMUNICATION}). 1380 * Returns the current current audio state from the HAL. 1381 */ 1382 public int getMode() { 1383 IAudioService service = getService(); 1384 try { 1385 return service.getMode(); 1386 } catch (RemoteException e) { 1387 Log.e(TAG, "Dead object in getMode", e); 1388 return MODE_INVALID; 1389 } 1390 } 1391 1392 /* modes for setMode/getMode/setRoute/getRoute */ 1393 /** 1394 * Audio harware modes. 1395 */ 1396 /** 1397 * Invalid audio mode. 1398 */ 1399 public static final int MODE_INVALID = AudioSystem.MODE_INVALID; 1400 /** 1401 * Current audio mode. Used to apply audio routing to current mode. 1402 */ 1403 public static final int MODE_CURRENT = AudioSystem.MODE_CURRENT; 1404 /** 1405 * Normal audio mode: not ringing and no call established. 1406 */ 1407 public static final int MODE_NORMAL = AudioSystem.MODE_NORMAL; 1408 /** 1409 * Ringing audio mode. An incoming is being signaled. 1410 */ 1411 public static final int MODE_RINGTONE = AudioSystem.MODE_RINGTONE; 1412 /** 1413 * In call audio mode. A telephony call is established. 1414 */ 1415 public static final int MODE_IN_CALL = AudioSystem.MODE_IN_CALL; 1416 /** 1417 * In communication audio mode. An audio/video chat or VoIP call is established. 1418 */ 1419 public static final int MODE_IN_COMMUNICATION = AudioSystem.MODE_IN_COMMUNICATION; 1420 1421 /* Routing bits for setRouting/getRouting API */ 1422 /** 1423 * Routing audio output to earpiece 1424 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1425 * setBluetoothScoOn() methods instead. 1426 */ 1427 @Deprecated public static final int ROUTE_EARPIECE = AudioSystem.ROUTE_EARPIECE; 1428 /** 1429 * Routing audio output to speaker 1430 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1431 * setBluetoothScoOn() methods instead. 1432 */ 1433 @Deprecated public static final int ROUTE_SPEAKER = AudioSystem.ROUTE_SPEAKER; 1434 /** 1435 * @deprecated use {@link #ROUTE_BLUETOOTH_SCO} 1436 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1437 * setBluetoothScoOn() methods instead. 1438 */ 1439 @Deprecated public static final int ROUTE_BLUETOOTH = AudioSystem.ROUTE_BLUETOOTH_SCO; 1440 /** 1441 * Routing audio output to bluetooth SCO 1442 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1443 * setBluetoothScoOn() methods instead. 1444 */ 1445 @Deprecated public static final int ROUTE_BLUETOOTH_SCO = AudioSystem.ROUTE_BLUETOOTH_SCO; 1446 /** 1447 * Routing audio output to headset 1448 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1449 * setBluetoothScoOn() methods instead. 1450 */ 1451 @Deprecated public static final int ROUTE_HEADSET = AudioSystem.ROUTE_HEADSET; 1452 /** 1453 * Routing audio output to bluetooth A2DP 1454 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1455 * setBluetoothScoOn() methods instead. 1456 */ 1457 @Deprecated public static final int ROUTE_BLUETOOTH_A2DP = AudioSystem.ROUTE_BLUETOOTH_A2DP; 1458 /** 1459 * Used for mask parameter of {@link #setRouting(int,int,int)}. 1460 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1461 * setBluetoothScoOn() methods instead. 1462 */ 1463 @Deprecated public static final int ROUTE_ALL = AudioSystem.ROUTE_ALL; 1464 1465 /** 1466 * Sets the audio routing for a specified mode 1467 * 1468 * @param mode audio mode to change route. E.g., MODE_RINGTONE. 1469 * @param routes bit vector of routes requested, created from one or 1470 * more of ROUTE_xxx types. Set bits indicate that route should be on 1471 * @param mask bit vector of routes to change, created from one or more of 1472 * ROUTE_xxx types. Unset bits indicate the route should be left unchanged 1473 * 1474 * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), 1475 * setBluetoothScoOn() methods instead. 1476 */ 1477 @Deprecated 1478 public void setRouting(int mode, int routes, int mask) { 1479 } 1480 1481 /** 1482 * Returns the current audio routing bit vector for a specified mode. 1483 * 1484 * @param mode audio mode to get route (e.g., MODE_RINGTONE) 1485 * @return an audio route bit vector that can be compared with ROUTE_xxx 1486 * bits 1487 * @deprecated Do not query audio routing directly, use isSpeakerphoneOn(), 1488 * isBluetoothScoOn(), isBluetoothA2dpOn() and isWiredHeadsetOn() methods instead. 1489 */ 1490 @Deprecated 1491 public int getRouting(int mode) { 1492 return -1; 1493 } 1494 1495 /** 1496 * Checks whether any music is active. 1497 * 1498 * @return true if any music tracks are active. 1499 */ 1500 public boolean isMusicActive() { 1501 return AudioSystem.isStreamActive(STREAM_MUSIC, 0); 1502 } 1503 1504 /* 1505 * Sets a generic audio configuration parameter. The use of these parameters 1506 * are platform dependant, see libaudio 1507 * 1508 * ** Temporary interface - DO NOT USE 1509 * 1510 * TODO: Replace with a more generic key:value get/set mechanism 1511 * 1512 * param key name of parameter to set. Must not be null. 1513 * param value value of parameter. Must not be null. 1514 */ 1515 /** 1516 * @hide 1517 * @deprecated Use {@link #setPrameters(String)} instead 1518 */ 1519 @Deprecated public void setParameter(String key, String value) { 1520 setParameters(key+"="+value); 1521 } 1522 1523 /** 1524 * Sets a variable number of parameter values to audio hardware. 1525 * 1526 * @param keyValuePairs list of parameters key value pairs in the form: 1527 * key1=value1;key2=value2;... 1528 * 1529 */ 1530 public void setParameters(String keyValuePairs) { 1531 AudioSystem.setParameters(keyValuePairs); 1532 } 1533 1534 /** 1535 * Sets a varaible number of parameter values to audio hardware. 1536 * 1537 * @param keys list of parameters 1538 * @return list of parameters key value pairs in the form: 1539 * key1=value1;key2=value2;... 1540 */ 1541 public String getParameters(String keys) { 1542 return AudioSystem.getParameters(keys); 1543 } 1544 1545 /* Sound effect identifiers */ 1546 /** 1547 * Keyboard and direction pad click sound 1548 * @see #playSoundEffect(int) 1549 */ 1550 public static final int FX_KEY_CLICK = 0; 1551 /** 1552 * Focus has moved up 1553 * @see #playSoundEffect(int) 1554 */ 1555 public static final int FX_FOCUS_NAVIGATION_UP = 1; 1556 /** 1557 * Focus has moved down 1558 * @see #playSoundEffect(int) 1559 */ 1560 public static final int FX_FOCUS_NAVIGATION_DOWN = 2; 1561 /** 1562 * Focus has moved left 1563 * @see #playSoundEffect(int) 1564 */ 1565 public static final int FX_FOCUS_NAVIGATION_LEFT = 3; 1566 /** 1567 * Focus has moved right 1568 * @see #playSoundEffect(int) 1569 */ 1570 public static final int FX_FOCUS_NAVIGATION_RIGHT = 4; 1571 /** 1572 * IME standard keypress sound 1573 * @see #playSoundEffect(int) 1574 */ 1575 public static final int FX_KEYPRESS_STANDARD = 5; 1576 /** 1577 * IME spacebar keypress sound 1578 * @see #playSoundEffect(int) 1579 */ 1580 public static final int FX_KEYPRESS_SPACEBAR = 6; 1581 /** 1582 * IME delete keypress sound 1583 * @see #playSoundEffect(int) 1584 */ 1585 public static final int FX_KEYPRESS_DELETE = 7; 1586 /** 1587 * IME return_keypress sound 1588 * @see #playSoundEffect(int) 1589 */ 1590 public static final int FX_KEYPRESS_RETURN = 8; 1591 /** 1592 * @hide Number of sound effects 1593 */ 1594 public static final int NUM_SOUND_EFFECTS = 9; 1595 1596 /** 1597 * Plays a sound effect (Key clicks, lid open/close...) 1598 * @param effectType The type of sound effect. One of 1599 * {@link #FX_KEY_CLICK}, 1600 * {@link #FX_FOCUS_NAVIGATION_UP}, 1601 * {@link #FX_FOCUS_NAVIGATION_DOWN}, 1602 * {@link #FX_FOCUS_NAVIGATION_LEFT}, 1603 * {@link #FX_FOCUS_NAVIGATION_RIGHT}, 1604 * {@link #FX_KEYPRESS_STANDARD}, 1605 * {@link #FX_KEYPRESS_SPACEBAR}, 1606 * {@link #FX_KEYPRESS_DELETE}, 1607 * {@link #FX_KEYPRESS_RETURN}, 1608 * NOTE: This version uses the UI settings to determine 1609 * whether sounds are heard or not. 1610 */ 1611 public void playSoundEffect(int effectType) { 1612 if (effectType < 0 || effectType >= NUM_SOUND_EFFECTS) { 1613 return; 1614 } 1615 1616 if (!querySoundEffectsEnabled()) { 1617 return; 1618 } 1619 1620 IAudioService service = getService(); 1621 try { 1622 service.playSoundEffect(effectType); 1623 } catch (RemoteException e) { 1624 Log.e(TAG, "Dead object in playSoundEffect"+e); 1625 } 1626 } 1627 1628 /** 1629 * Plays a sound effect (Key clicks, lid open/close...) 1630 * @param effectType The type of sound effect. One of 1631 * {@link #FX_KEY_CLICK}, 1632 * {@link #FX_FOCUS_NAVIGATION_UP}, 1633 * {@link #FX_FOCUS_NAVIGATION_DOWN}, 1634 * {@link #FX_FOCUS_NAVIGATION_LEFT}, 1635 * {@link #FX_FOCUS_NAVIGATION_RIGHT}, 1636 * {@link #FX_KEYPRESS_STANDARD}, 1637 * {@link #FX_KEYPRESS_SPACEBAR}, 1638 * {@link #FX_KEYPRESS_DELETE}, 1639 * {@link #FX_KEYPRESS_RETURN}, 1640 * @param volume Sound effect volume. 1641 * The volume value is a raw scalar so UI controls should be scaled logarithmically. 1642 * If a volume of -1 is specified, the AudioManager.STREAM_MUSIC stream volume minus 3dB will be used. 1643 * NOTE: This version is for applications that have their own 1644 * settings panel for enabling and controlling volume. 1645 */ 1646 public void playSoundEffect(int effectType, float volume) { 1647 if (effectType < 0 || effectType >= NUM_SOUND_EFFECTS) { 1648 return; 1649 } 1650 1651 IAudioService service = getService(); 1652 try { 1653 service.playSoundEffectVolume(effectType, volume); 1654 } catch (RemoteException e) { 1655 Log.e(TAG, "Dead object in playSoundEffect"+e); 1656 } 1657 } 1658 1659 /** 1660 * Settings has an in memory cache, so this is fast. 1661 */ 1662 private boolean querySoundEffectsEnabled() { 1663 return Settings.System.getInt(mContext.getContentResolver(), Settings.System.SOUND_EFFECTS_ENABLED, 0) != 0; 1664 } 1665 1666 1667 /** 1668 * Load Sound effects. 1669 * This method must be called when sound effects are enabled. 1670 */ 1671 public void loadSoundEffects() { 1672 IAudioService service = getService(); 1673 try { 1674 service.loadSoundEffects(); 1675 } catch (RemoteException e) { 1676 Log.e(TAG, "Dead object in loadSoundEffects"+e); 1677 } 1678 } 1679 1680 /** 1681 * Unload Sound effects. 1682 * This method can be called to free some memory when 1683 * sound effects are disabled. 1684 */ 1685 public void unloadSoundEffects() { 1686 IAudioService service = getService(); 1687 try { 1688 service.unloadSoundEffects(); 1689 } catch (RemoteException e) { 1690 Log.e(TAG, "Dead object in unloadSoundEffects"+e); 1691 } 1692 } 1693 1694 /** 1695 * Used to indicate a gain of audio focus, or a request of audio focus, of unknown duration. 1696 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1697 * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) 1698 */ 1699 public static final int AUDIOFOCUS_GAIN = 1; 1700 /** 1701 * Used to indicate a temporary gain or request of audio focus, anticipated to last a short 1702 * amount of time. Examples of temporary changes are the playback of driving directions, or an 1703 * event notification. 1704 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1705 * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) 1706 */ 1707 public static final int AUDIOFOCUS_GAIN_TRANSIENT = 2; 1708 /** 1709 * Used to indicate a temporary request of audio focus, anticipated to last a short 1710 * amount of time, and where it is acceptable for other audio applications to keep playing 1711 * after having lowered their output level (also referred to as "ducking"). 1712 * Examples of temporary changes are the playback of driving directions where playback of music 1713 * in the background is acceptable. 1714 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1715 * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) 1716 */ 1717 public static final int AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK = 3; 1718 /** 1719 * Used to indicate a loss of audio focus of unknown duration. 1720 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1721 */ 1722 public static final int AUDIOFOCUS_LOSS = -1 * AUDIOFOCUS_GAIN; 1723 /** 1724 * Used to indicate a transient loss of audio focus. 1725 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1726 */ 1727 public static final int AUDIOFOCUS_LOSS_TRANSIENT = -1 * AUDIOFOCUS_GAIN_TRANSIENT; 1728 /** 1729 * Used to indicate a transient loss of audio focus where the loser of the audio focus can 1730 * lower its output volume if it wants to continue playing (also referred to as "ducking"), as 1731 * the new focus owner doesn't require others to be silent. 1732 * @see OnAudioFocusChangeListener#onAudioFocusChange(int) 1733 */ 1734 public static final int AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK = 1735 -1 * AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK; 1736 1737 /** 1738 * Interface definition for a callback to be invoked when the audio focus of the system is 1739 * updated. 1740 */ 1741 public interface OnAudioFocusChangeListener { 1742 /** 1743 * Called on the listener to notify it the audio focus for this listener has been changed. 1744 * The focusChange value indicates whether the focus was gained, 1745 * whether the focus was lost, and whether that loss is transient, or whether the new focus 1746 * holder will hold it for an unknown amount of time. 1747 * When losing focus, listeners can use the focus change information to decide what 1748 * behavior to adopt when losing focus. A music player could for instance elect to lower 1749 * the volume of its music stream (duck) for transient focus losses, and pause otherwise. 1750 * @param focusChange the type of focus change, one of {@link AudioManager#AUDIOFOCUS_GAIN}, 1751 * {@link AudioManager#AUDIOFOCUS_LOSS}, {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT} 1752 * and {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK}. 1753 */ 1754 public void onAudioFocusChange(int focusChange); 1755 } 1756 1757 /** 1758 * Map to convert focus event listener IDs, as used in the AudioService audio focus stack, 1759 * to actual listener objects. 1760 */ 1761 private final HashMap<String, OnAudioFocusChangeListener> mAudioFocusIdListenerMap = 1762 new HashMap<String, OnAudioFocusChangeListener>(); 1763 /** 1764 * Lock to prevent concurrent changes to the list of focus listeners for this AudioManager 1765 * instance. 1766 */ 1767 private final Object mFocusListenerLock = new Object(); 1768 1769 private OnAudioFocusChangeListener findFocusListener(String id) { 1770 return mAudioFocusIdListenerMap.get(id); 1771 } 1772 1773 /** 1774 * Handler for audio focus events coming from the audio service. 1775 */ 1776 private final FocusEventHandlerDelegate mAudioFocusEventHandlerDelegate = 1777 new FocusEventHandlerDelegate(); 1778 1779 /** 1780 * Helper class to handle the forwarding of audio focus events to the appropriate listener 1781 */ 1782 private class FocusEventHandlerDelegate { 1783 private final Handler mHandler; 1784 1785 FocusEventHandlerDelegate() { 1786 Looper looper; 1787 if ((looper = Looper.myLooper()) == null) { 1788 looper = Looper.getMainLooper(); 1789 } 1790 1791 if (looper != null) { 1792 // implement the event handler delegate to receive audio focus events 1793 mHandler = new Handler(looper) { 1794 @Override 1795 public void handleMessage(Message msg) { 1796 OnAudioFocusChangeListener listener = null; 1797 synchronized(mFocusListenerLock) { 1798 listener = findFocusListener((String)msg.obj); 1799 } 1800 if (listener != null) { 1801 listener.onAudioFocusChange(msg.what); 1802 } 1803 } 1804 }; 1805 } else { 1806 mHandler = null; 1807 } 1808 } 1809 1810 Handler getHandler() { 1811 return mHandler; 1812 } 1813 } 1814 1815 private final IAudioFocusDispatcher mAudioFocusDispatcher = new IAudioFocusDispatcher.Stub() { 1816 1817 public void dispatchAudioFocusChange(int focusChange, String id) { 1818 Message m = mAudioFocusEventHandlerDelegate.getHandler().obtainMessage(focusChange, id); 1819 mAudioFocusEventHandlerDelegate.getHandler().sendMessage(m); 1820 } 1821 1822 }; 1823 1824 private String getIdForAudioFocusListener(OnAudioFocusChangeListener l) { 1825 if (l == null) { 1826 return new String(this.toString()); 1827 } else { 1828 return new String(this.toString() + l.toString()); 1829 } 1830 } 1831 1832 /** 1833 * @hide 1834 * Registers a listener to be called when audio focus changes. Calling this method is optional 1835 * before calling {@link #requestAudioFocus(OnAudioFocusChangeListener, int, int)}, as it 1836 * will register the listener as well if it wasn't registered already. 1837 * @param l the listener to be notified of audio focus changes. 1838 */ 1839 public void registerAudioFocusListener(OnAudioFocusChangeListener l) { 1840 synchronized(mFocusListenerLock) { 1841 if (mAudioFocusIdListenerMap.containsKey(getIdForAudioFocusListener(l))) { 1842 return; 1843 } 1844 mAudioFocusIdListenerMap.put(getIdForAudioFocusListener(l), l); 1845 } 1846 } 1847 1848 /** 1849 * @hide 1850 * Causes the specified listener to not be called anymore when focus is gained or lost. 1851 * @param l the listener to unregister. 1852 */ 1853 public void unregisterAudioFocusListener(OnAudioFocusChangeListener l) { 1854 1855 // remove locally 1856 synchronized(mFocusListenerLock) { 1857 mAudioFocusIdListenerMap.remove(getIdForAudioFocusListener(l)); 1858 } 1859 } 1860 1861 1862 /** 1863 * A failed focus change request. 1864 */ 1865 public static final int AUDIOFOCUS_REQUEST_FAILED = 0; 1866 /** 1867 * A successful focus change request. 1868 */ 1869 public static final int AUDIOFOCUS_REQUEST_GRANTED = 1; 1870 1871 1872 /** 1873 * Request audio focus. 1874 * Send a request to obtain the audio focus 1875 * @param l the listener to be notified of audio focus changes 1876 * @param streamType the main audio stream type affected by the focus request 1877 * @param durationHint use {@link #AUDIOFOCUS_GAIN_TRANSIENT} to indicate this focus request 1878 * is temporary, and focus will be abandonned shortly. Examples of transient requests are 1879 * for the playback of driving directions, or notifications sounds. 1880 * Use {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} to indicate also that it's ok for 1881 * the previous focus owner to keep playing if it ducks its audio output. 1882 * Use {@link #AUDIOFOCUS_GAIN} for a focus request of unknown duration such 1883 * as the playback of a song or a video. 1884 * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED} 1885 */ 1886 public int requestAudioFocus(OnAudioFocusChangeListener l, int streamType, int durationHint) { 1887 int status = AUDIOFOCUS_REQUEST_FAILED; 1888 if ((durationHint < AUDIOFOCUS_GAIN) || (durationHint > AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK)) 1889 { 1890 Log.e(TAG, "Invalid duration hint, audio focus request denied"); 1891 return status; 1892 } 1893 registerAudioFocusListener(l); 1894 //TODO protect request by permission check? 1895 IAudioService service = getService(); 1896 try { 1897 status = service.requestAudioFocus(streamType, durationHint, mICallBack, 1898 mAudioFocusDispatcher, getIdForAudioFocusListener(l), 1899 mContext.getPackageName() /* package name */); 1900 } catch (RemoteException e) { 1901 Log.e(TAG, "Can't call requestAudioFocus() on AudioService due to "+e); 1902 } 1903 return status; 1904 } 1905 1906 /** 1907 * @hide 1908 * Used internally by telephony package to request audio focus. Will cause the focus request 1909 * to be associated with the "voice communication" identifier only used in AudioService 1910 * to identify this use case. 1911 * @param streamType use STREAM_RING for focus requests when ringing, VOICE_CALL for 1912 * the establishment of the call 1913 * @param durationHint the type of focus request. AUDIOFOCUS_GAIN_TRANSIENT is recommended so 1914 * media applications resume after a call 1915 */ 1916 public void requestAudioFocusForCall(int streamType, int durationHint) { 1917 IAudioService service = getService(); 1918 try { 1919 service.requestAudioFocus(streamType, durationHint, mICallBack, null, 1920 AudioService.IN_VOICE_COMM_FOCUS_ID, 1921 "system" /* dump-friendly package name */); 1922 } catch (RemoteException e) { 1923 Log.e(TAG, "Can't call requestAudioFocusForCall() on AudioService due to "+e); 1924 } 1925 } 1926 1927 /** 1928 * @hide 1929 * Used internally by telephony package to abandon audio focus, typically after a call or 1930 * when ringing ends and the call is rejected or not answered. 1931 * Should match one or more calls to {@link #requestAudioFocusForCall(int, int)}. 1932 */ 1933 public void abandonAudioFocusForCall() { 1934 IAudioService service = getService(); 1935 try { 1936 service.abandonAudioFocus(null, AudioService.IN_VOICE_COMM_FOCUS_ID); 1937 } catch (RemoteException e) { 1938 Log.e(TAG, "Can't call abandonAudioFocusForCall() on AudioService due to "+e); 1939 } 1940 } 1941 1942 /** 1943 * Abandon audio focus. Causes the previous focus owner, if any, to receive focus. 1944 * @param l the listener with which focus was requested. 1945 * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED} 1946 */ 1947 public int abandonAudioFocus(OnAudioFocusChangeListener l) { 1948 int status = AUDIOFOCUS_REQUEST_FAILED; 1949 unregisterAudioFocusListener(l); 1950 IAudioService service = getService(); 1951 try { 1952 status = service.abandonAudioFocus(mAudioFocusDispatcher, 1953 getIdForAudioFocusListener(l)); 1954 } catch (RemoteException e) { 1955 Log.e(TAG, "Can't call abandonAudioFocus() on AudioService due to "+e); 1956 } 1957 return status; 1958 } 1959 1960 1961 //==================================================================== 1962 // Remote Control 1963 /** 1964 * Register a component to be the sole receiver of MEDIA_BUTTON intents. 1965 * @param eventReceiver identifier of a {@link android.content.BroadcastReceiver} 1966 * that will receive the media button intent. This broadcast receiver must be declared 1967 * in the application manifest. The package of the component must match that of 1968 * the context you're registering from. 1969 */ 1970 public void registerMediaButtonEventReceiver(ComponentName eventReceiver) { 1971 if (eventReceiver == null) { 1972 return; 1973 } 1974 if (!eventReceiver.getPackageName().equals(mContext.getPackageName())) { 1975 Log.e(TAG, "registerMediaButtonEventReceiver() error: " + 1976 "receiver and context package names don't match"); 1977 return; 1978 } 1979 // construct a PendingIntent for the media button and register it 1980 Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 1981 // the associated intent will be handled by the component being registered 1982 mediaButtonIntent.setComponent(eventReceiver); 1983 PendingIntent pi = PendingIntent.getBroadcast(mContext, 1984 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); 1985 registerMediaButtonIntent(pi, eventReceiver); 1986 } 1987 1988 /** 1989 * @hide 1990 * no-op if (pi == null) or (eventReceiver == null) 1991 */ 1992 public void registerMediaButtonIntent(PendingIntent pi, ComponentName eventReceiver) { 1993 if ((pi == null) || (eventReceiver == null)) { 1994 Log.e(TAG, "Cannot call registerMediaButtonIntent() with a null parameter"); 1995 return; 1996 } 1997 IAudioService service = getService(); 1998 try { 1999 // pi != null 2000 service.registerMediaButtonIntent(pi, eventReceiver); 2001 } catch (RemoteException e) { 2002 Log.e(TAG, "Dead object in registerMediaButtonIntent"+e); 2003 } 2004 } 2005 2006 /** 2007 * @hide 2008 * Used internally by telephony package to register an intent receiver for ACTION_MEDIA_BUTTON. 2009 * @param eventReceiver the component that will receive the media button key events, 2010 * no-op if eventReceiver is null 2011 */ 2012 public void registerMediaButtonEventReceiverForCalls(ComponentName eventReceiver) { 2013 if (eventReceiver == null) { 2014 return; 2015 } 2016 IAudioService service = getService(); 2017 try { 2018 // eventReceiver != null 2019 service.registerMediaButtonEventReceiverForCalls(eventReceiver); 2020 } catch (RemoteException e) { 2021 Log.e(TAG, "Dead object in registerMediaButtonEventReceiverForCalls", e); 2022 } 2023 } 2024 2025 /** 2026 * @hide 2027 */ 2028 public void unregisterMediaButtonEventReceiverForCalls() { 2029 IAudioService service = getService(); 2030 try { 2031 service.unregisterMediaButtonEventReceiverForCalls(); 2032 } catch (RemoteException e) { 2033 Log.e(TAG, "Dead object in unregisterMediaButtonEventReceiverForCalls", e); 2034 } 2035 } 2036 2037 /** 2038 * Unregister the receiver of MEDIA_BUTTON intents. 2039 * @param eventReceiver identifier of a {@link android.content.BroadcastReceiver} 2040 * that was registered with {@link #registerMediaButtonEventReceiver(ComponentName)}. 2041 */ 2042 public void unregisterMediaButtonEventReceiver(ComponentName eventReceiver) { 2043 if (eventReceiver == null) { 2044 return; 2045 } 2046 // construct a PendingIntent for the media button and unregister it 2047 Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); 2048 // the associated intent will be handled by the component being registered 2049 mediaButtonIntent.setComponent(eventReceiver); 2050 PendingIntent pi = PendingIntent.getBroadcast(mContext, 2051 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); 2052 unregisterMediaButtonIntent(pi, eventReceiver); 2053 } 2054 2055 /** 2056 * @hide 2057 */ 2058 public void unregisterMediaButtonIntent(PendingIntent pi, ComponentName eventReceiver) { 2059 IAudioService service = getService(); 2060 try { 2061 service.unregisterMediaButtonIntent(pi, eventReceiver); 2062 } catch (RemoteException e) { 2063 Log.e(TAG, "Dead object in unregisterMediaButtonIntent"+e); 2064 } 2065 } 2066 2067 /** 2068 * Registers the remote control client for providing information to display on the remote 2069 * controls. 2070 * @param rcClient The remote control client from which remote controls will receive 2071 * information to display. 2072 * @see RemoteControlClient 2073 */ 2074 public void registerRemoteControlClient(RemoteControlClient rcClient) { 2075 if ((rcClient == null) || (rcClient.getRcMediaIntent() == null)) { 2076 return; 2077 } 2078 IAudioService service = getService(); 2079 try { 2080 service.registerRemoteControlClient(rcClient.getRcMediaIntent(), /* mediaIntent */ 2081 rcClient.getIRemoteControlClient(), /* rcClient */ 2082 // used to match media button event receiver and audio focus 2083 mContext.getPackageName()); /* packageName */ 2084 } catch (RemoteException e) { 2085 Log.e(TAG, "Dead object in registerRemoteControlClient"+e); 2086 } 2087 } 2088 2089 /** 2090 * Unregisters the remote control client that was providing information to display on the 2091 * remote controls. 2092 * @param rcClient The remote control client to unregister. 2093 * @see #registerRemoteControlClient(RemoteControlClient) 2094 */ 2095 public void unregisterRemoteControlClient(RemoteControlClient rcClient) { 2096 if ((rcClient == null) || (rcClient.getRcMediaIntent() == null)) { 2097 return; 2098 } 2099 IAudioService service = getService(); 2100 try { 2101 service.unregisterRemoteControlClient(rcClient.getRcMediaIntent(), /* mediaIntent */ 2102 rcClient.getIRemoteControlClient()); /* rcClient */ 2103 } catch (RemoteException e) { 2104 Log.e(TAG, "Dead object in unregisterRemoteControlClient"+e); 2105 } 2106 } 2107 2108 /** 2109 * @hide 2110 * Registers a remote control display that will be sent information by remote control clients. 2111 * @param rcd 2112 */ 2113 public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { 2114 if (rcd == null) { 2115 return; 2116 } 2117 IAudioService service = getService(); 2118 try { 2119 service.registerRemoteControlDisplay(rcd); 2120 } catch (RemoteException e) { 2121 Log.e(TAG, "Dead object in registerRemoteControlDisplay " + e); 2122 } 2123 } 2124 2125 /** 2126 * @hide 2127 * Unregisters a remote control display that was sent information by remote control clients. 2128 * @param rcd 2129 */ 2130 public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { 2131 if (rcd == null) { 2132 return; 2133 } 2134 IAudioService service = getService(); 2135 try { 2136 service.unregisterRemoteControlDisplay(rcd); 2137 } catch (RemoteException e) { 2138 Log.e(TAG, "Dead object in unregisterRemoteControlDisplay " + e); 2139 } 2140 } 2141 2142 /** 2143 * @hide 2144 * Sets the artwork size a remote control display expects when receiving bitmaps. 2145 * @param rcd 2146 * @param w the maximum width of the expected bitmap. Negative values indicate it is 2147 * useless to send artwork. 2148 * @param h the maximum height of the expected bitmap. Negative values indicate it is 2149 * useless to send artwork. 2150 */ 2151 public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { 2152 if (rcd == null) { 2153 return; 2154 } 2155 IAudioService service = getService(); 2156 try { 2157 service.remoteControlDisplayUsesBitmapSize(rcd, w, h); 2158 } catch (RemoteException e) { 2159 Log.e(TAG, "Dead object in remoteControlDisplayUsesBitmapSize " + e); 2160 } 2161 } 2162 2163 // FIXME remove because we are not using intents anymore between AudioService and RcDisplay 2164 /** 2165 * @hide 2166 * Broadcast intent action indicating that the displays on the remote controls 2167 * should be updated because a new remote control client is now active. If there is no 2168 * {@link #EXTRA_REMOTE_CONTROL_CLIENT}, the remote control display should be cleared 2169 * because there is no valid client to supply it with information. 2170 * 2171 * @see #EXTRA_REMOTE_CONTROL_CLIENT 2172 */ 2173 public static final String REMOTE_CONTROL_CLIENT_CHANGED = 2174 "android.media.REMOTE_CONTROL_CLIENT_CHANGED"; 2175 2176 // FIXME remove because we are not using intents anymore between AudioService and RcDisplay 2177 /** 2178 * @hide 2179 * The IRemoteControlClientDispatcher monotonically increasing generation counter. 2180 * 2181 * @see #REMOTE_CONTROL_CLIENT_CHANGED_ACTION 2182 */ 2183 public static final String EXTRA_REMOTE_CONTROL_CLIENT_GENERATION = 2184 "android.media.EXTRA_REMOTE_CONTROL_CLIENT_GENERATION"; 2185 2186 // FIXME remove because we are not using intents anymore between AudioService and RcDisplay 2187 /** 2188 * @hide 2189 * The name of the RemoteControlClient. 2190 * This String is passed as the client name when calling methods from the 2191 * IRemoteControlClientDispatcher interface. 2192 * 2193 * @see #REMOTE_CONTROL_CLIENT_CHANGED_ACTION 2194 */ 2195 public static final String EXTRA_REMOTE_CONTROL_CLIENT_NAME = 2196 "android.media.EXTRA_REMOTE_CONTROL_CLIENT_NAME"; 2197 2198 // FIXME remove because we are not using intents anymore between AudioService and RcDisplay 2199 /** 2200 * @hide 2201 * The media button event receiver associated with the RemoteControlClient. 2202 * The {@link android.content.ComponentName} value of the event receiver can be retrieved with 2203 * {@link android.content.ComponentName#unflattenFromString(String)} 2204 * 2205 * @see #REMOTE_CONTROL_CLIENT_CHANGED_ACTION 2206 */ 2207 public static final String EXTRA_REMOTE_CONTROL_EVENT_RECEIVER = 2208 "android.media.EXTRA_REMOTE_CONTROL_EVENT_RECEIVER"; 2209 2210 // FIXME remove because we are not using intents anymore between AudioService and RcDisplay 2211 /** 2212 * @hide 2213 * The flags describing what information has changed in the current remote control client. 2214 * 2215 * @see #REMOTE_CONTROL_CLIENT_CHANGED_ACTION 2216 */ 2217 public static final String EXTRA_REMOTE_CONTROL_CLIENT_INFO_CHANGED = 2218 "android.media.EXTRA_REMOTE_CONTROL_CLIENT_INFO_CHANGED"; 2219 2220 /** 2221 * @hide 2222 * Reload audio settings. This method is called by Settings backup 2223 * agent when audio settings are restored and causes the AudioService 2224 * to read and apply restored settings. 2225 */ 2226 public void reloadAudioSettings() { 2227 IAudioService service = getService(); 2228 try { 2229 service.reloadAudioSettings(); 2230 } catch (RemoteException e) { 2231 Log.e(TAG, "Dead object in reloadAudioSettings"+e); 2232 } 2233 } 2234 2235 /** 2236 * {@hide} 2237 */ 2238 private final IBinder mICallBack = new Binder(); 2239 2240 /** 2241 * Checks whether the phone is in silent mode, with or without vibrate. 2242 * 2243 * @return true if phone is in silent mode, with or without vibrate. 2244 * 2245 * @see #getRingerMode() 2246 * 2247 * @hide pending API Council approval 2248 */ 2249 public boolean isSilentMode() { 2250 int ringerMode = getRingerMode(); 2251 boolean silentMode = 2252 (ringerMode == RINGER_MODE_SILENT) || 2253 (ringerMode == RINGER_MODE_VIBRATE); 2254 return silentMode; 2255 } 2256 2257 // This section re-defines new output device constants from AudioSystem, because the AudioSystem 2258 // class is not used by other parts of the framework, which instead use definitions and methods 2259 // from AudioManager. AudioSystem is an internal class used by AudioManager and AudioService. 2260 2261 /** {@hide} The audio output device code for the small speaker at the front of the device used 2262 * when placing calls. Does not refer to an in-ear headphone without attached microphone, 2263 * such as earbuds, earphones, or in-ear monitors (IEM). Those would be handled as a 2264 * {@link #DEVICE_OUT_WIRED_HEADPHONE}. 2265 */ 2266 public static final int DEVICE_OUT_EARPIECE = AudioSystem.DEVICE_OUT_EARPIECE; 2267 /** {@hide} The audio output device code for the built-in speaker */ 2268 public static final int DEVICE_OUT_SPEAKER = AudioSystem.DEVICE_OUT_SPEAKER; 2269 /** {@hide} The audio output device code for a wired headset with attached microphone */ 2270 public static final int DEVICE_OUT_WIRED_HEADSET = AudioSystem.DEVICE_OUT_WIRED_HEADSET; 2271 /** {@hide} The audio output device code for a wired headphone without attached microphone */ 2272 public static final int DEVICE_OUT_WIRED_HEADPHONE = AudioSystem.DEVICE_OUT_WIRED_HEADPHONE; 2273 /** {@hide} The audio output device code for generic Bluetooth SCO, for voice */ 2274 public static final int DEVICE_OUT_BLUETOOTH_SCO = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; 2275 /** {@hide} The audio output device code for Bluetooth SCO Headset Profile (HSP) and 2276 * Hands-Free Profile (HFP), for voice 2277 */ 2278 public static final int DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 2279 AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; 2280 /** {@hide} The audio output device code for Bluetooth SCO car audio, for voice */ 2281 public static final int DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 2282 AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; 2283 /** {@hide} The audio output device code for generic Bluetooth A2DP, for music */ 2284 public static final int DEVICE_OUT_BLUETOOTH_A2DP = AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP; 2285 /** {@hide} The audio output device code for Bluetooth A2DP headphones, for music */ 2286 public static final int DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 2287 AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; 2288 /** {@hide} The audio output device code for Bluetooth A2DP external speaker, for music */ 2289 public static final int DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 2290 AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; 2291 /** {@hide} The audio output device code for S/PDIF or HDMI */ 2292 public static final int DEVICE_OUT_AUX_DIGITAL = AudioSystem.DEVICE_OUT_AUX_DIGITAL; 2293 /** {@hide} The audio output device code for an analog wired headset attached via a 2294 * docking station 2295 */ 2296 public static final int DEVICE_OUT_ANLG_DOCK_HEADSET = AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET; 2297 /** {@hide} The audio output device code for a digital wired headset attached via a 2298 * docking station 2299 */ 2300 public static final int DEVICE_OUT_DGTL_DOCK_HEADSET = AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET; 2301 /** {@hide} The audio output device code for a USB audio accessory. The accessory is in USB host 2302 * mode and the Android device in USB device mode 2303 */ 2304 public static final int DEVICE_OUT_USB_ACCESSORY = AudioSystem.DEVICE_OUT_USB_ACCESSORY; 2305 /** {@hide} The audio output device code for a USB audio device. The device is in USB device 2306 * mode and the Android device in USB host mode 2307 */ 2308 public static final int DEVICE_OUT_USB_DEVICE = AudioSystem.DEVICE_OUT_USB_DEVICE; 2309 /** {@hide} This is not used as a returned value from {@link #getDevicesForStream}, but could be 2310 * used in the future in a set method to select whatever default device is chosen by the 2311 * platform-specific implementation. 2312 */ 2313 public static final int DEVICE_OUT_DEFAULT = AudioSystem.DEVICE_OUT_DEFAULT; 2314 2315 /** 2316 * Return the enabled devices for the specified output stream type. 2317 * 2318 * @param streamType The stream type to query. One of 2319 * {@link #STREAM_VOICE_CALL}, 2320 * {@link #STREAM_SYSTEM}, 2321 * {@link #STREAM_RING}, 2322 * {@link #STREAM_MUSIC}, 2323 * {@link #STREAM_ALARM}, 2324 * {@link #STREAM_NOTIFICATION}, 2325 * {@link #STREAM_DTMF}. 2326 * 2327 * @return The bit-mask "or" of audio output device codes for all enabled devices on this 2328 * stream. Zero or more of 2329 * {@link #DEVICE_OUT_EARPIECE}, 2330 * {@link #DEVICE_OUT_SPEAKER}, 2331 * {@link #DEVICE_OUT_WIRED_HEADSET}, 2332 * {@link #DEVICE_OUT_WIRED_HEADPHONE}, 2333 * {@link #DEVICE_OUT_BLUETOOTH_SCO}, 2334 * {@link #DEVICE_OUT_BLUETOOTH_SCO_HEADSET}, 2335 * {@link #DEVICE_OUT_BLUETOOTH_SCO_CARKIT}, 2336 * {@link #DEVICE_OUT_BLUETOOTH_A2DP}, 2337 * {@link #DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES}, 2338 * {@link #DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER}, 2339 * {@link #DEVICE_OUT_AUX_DIGITAL}, 2340 * {@link #DEVICE_OUT_ANLG_DOCK_HEADSET}, 2341 * {@link #DEVICE_OUT_DGTL_DOCK_HEADSET}. 2342 * {@link #DEVICE_OUT_DEFAULT} is not used here. 2343 * 2344 * The implementation may support additional device codes beyond those listed, so 2345 * the application should ignore any bits which it does not recognize. 2346 * Note that the information may be imprecise when the implementation 2347 * cannot distinguish whether a particular device is enabled. 2348 * 2349 * {@hide} 2350 */ 2351 public int getDevicesForStream(int streamType) { 2352 switch (streamType) { 2353 case STREAM_VOICE_CALL: 2354 case STREAM_SYSTEM: 2355 case STREAM_RING: 2356 case STREAM_MUSIC: 2357 case STREAM_ALARM: 2358 case STREAM_NOTIFICATION: 2359 case STREAM_DTMF: 2360 return AudioSystem.getDevicesForStream(streamType); 2361 default: 2362 return 0; 2363 } 2364 } 2365 2366 /** 2367 * Indicate wired accessory connection state change. 2368 * @param device type of device connected/disconnected (AudioManager.DEVICE_OUT_xxx) 2369 * @param state new connection state: 1 connected, 0 disconnected 2370 * @param name device name 2371 * {@hide} 2372 */ 2373 public void setWiredDeviceConnectionState(int device, int state, String name) { 2374 IAudioService service = getService(); 2375 try { 2376 service.setWiredDeviceConnectionState(device, state, name); 2377 } catch (RemoteException e) { 2378 Log.e(TAG, "Dead object in setWiredDeviceConnectionState "+e); 2379 } 2380 } 2381 2382 /** 2383 * Indicate A2DP sink connection state change. 2384 * @param device Bluetooth device connected/disconnected 2385 * @param state new connection state (BluetoothProfile.STATE_xxx) 2386 * @return a delay in ms that the caller should wait before broadcasting 2387 * BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED intent. 2388 * {@hide} 2389 */ 2390 public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state) { 2391 IAudioService service = getService(); 2392 int delay = 0; 2393 try { 2394 delay = service.setBluetoothA2dpDeviceConnectionState(device, state); 2395 } catch (RemoteException e) { 2396 Log.e(TAG, "Dead object in setBluetoothA2dpDeviceConnectionState "+e); 2397 } finally { 2398 return delay; 2399 } 2400 } 2401 2402 /** {@hide} */ 2403 public IRingtonePlayer getRingtonePlayer() { 2404 try { 2405 return getService().getRingtonePlayer(); 2406 } catch (RemoteException e) { 2407 return null; 2408 } 2409 } 2410} 2411