| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media; |
| |
| import android.Manifest; |
| import android.annotation.SdkConstant; |
| import android.annotation.SdkConstant.SdkConstantType; |
| import android.app.PendingIntent; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.media.RemoteController.OnClientUpdateListener; |
| import android.media.session.MediaSessionLegacyHelper; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.ServiceManager; |
| import android.provider.Settings; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| |
| import java.util.HashMap; |
| import java.util.ArrayList; |
| |
| |
| /** |
| * AudioManager provides access to volume and ringer mode control. |
| * <p> |
| * Use <code>Context.getSystemService(Context.AUDIO_SERVICE)</code> to get |
| * an instance of this class. |
| */ |
| public class AudioManager { |
| |
| // If we should use the new sessions APIs. |
| private final static boolean USE_SESSIONS = true; |
| // If we should use the legacy APIs. If both are true information will be |
| // duplicated through both paths. Currently this flag isn't used. |
| private final static boolean USE_LEGACY = true; |
| |
| private final Context mContext; |
| private long mVolumeKeyUpTime; |
| private final boolean mUseMasterVolume; |
| private final boolean mUseVolumeKeySounds; |
| private final Binder mToken = new Binder(); |
| private static String TAG = "AudioManager"; |
| AudioPortEventHandler mAudioPortEventHandler; |
| |
| /** |
| * Broadcast intent, a hint for applications that audio is about to become |
| * 'noisy' due to a change in audio outputs. For example, this intent may |
| * be sent when a wired headset is unplugged, or when an A2DP audio |
| * sink is disconnected, and the audio system is about to automatically |
| * switch audio route to the speaker. Applications that are controlling |
| * audio streams may consider pausing, reducing volume or some other action |
| * on receipt of this intent so as not to surprise the user with audio |
| * from the speaker. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_AUDIO_BECOMING_NOISY = "android.media.AUDIO_BECOMING_NOISY"; |
| |
| /** |
| * Sticky broadcast intent action indicating that the ringer mode has |
| * changed. Includes the new ringer mode. |
| * |
| * @see #EXTRA_RINGER_MODE |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String RINGER_MODE_CHANGED_ACTION = "android.media.RINGER_MODE_CHANGED"; |
| |
| /** |
| * The new ringer mode. |
| * |
| * @see #RINGER_MODE_CHANGED_ACTION |
| * @see #RINGER_MODE_NORMAL |
| * @see #RINGER_MODE_SILENT |
| * @see #RINGER_MODE_VIBRATE |
| */ |
| public static final String EXTRA_RINGER_MODE = "android.media.EXTRA_RINGER_MODE"; |
| |
| /** |
| * Broadcast intent action indicating that the vibrate setting has |
| * changed. Includes the vibrate type and its new setting. |
| * |
| * @see #EXTRA_VIBRATE_TYPE |
| * @see #EXTRA_VIBRATE_SETTING |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String VIBRATE_SETTING_CHANGED_ACTION = |
| "android.media.VIBRATE_SETTING_CHANGED"; |
| |
| /** |
| * @hide Broadcast intent when the volume for a particular stream type changes. |
| * Includes the stream, the new volume and previous volumes. |
| * Notes: |
| * - for internal platform use only, do not make public, |
| * - never used for "remote" volume changes |
| * |
| * @see #EXTRA_VOLUME_STREAM_TYPE |
| * @see #EXTRA_VOLUME_STREAM_VALUE |
| * @see #EXTRA_PREV_VOLUME_STREAM_VALUE |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String VOLUME_CHANGED_ACTION = "android.media.VOLUME_CHANGED_ACTION"; |
| |
| /** |
| * @hide Broadcast intent when the master volume changes. |
| * Includes the new volume |
| * |
| * @see #EXTRA_MASTER_VOLUME_VALUE |
| * @see #EXTRA_PREV_MASTER_VOLUME_VALUE |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String MASTER_VOLUME_CHANGED_ACTION = |
| "android.media.MASTER_VOLUME_CHANGED_ACTION"; |
| |
| /** |
| * @hide Broadcast intent when the master mute state changes. |
| * Includes the the new volume |
| * |
| * @see #EXTRA_MASTER_VOLUME_MUTED |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String MASTER_MUTE_CHANGED_ACTION = |
| "android.media.MASTER_MUTE_CHANGED_ACTION"; |
| |
| /** |
| * The new vibrate setting for a particular type. |
| * |
| * @see #VIBRATE_SETTING_CHANGED_ACTION |
| * @see #EXTRA_VIBRATE_TYPE |
| * @see #VIBRATE_SETTING_ON |
| * @see #VIBRATE_SETTING_OFF |
| * @see #VIBRATE_SETTING_ONLY_SILENT |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. |
| */ |
| public static final String EXTRA_VIBRATE_SETTING = "android.media.EXTRA_VIBRATE_SETTING"; |
| |
| /** |
| * The vibrate type whose setting has changed. |
| * |
| * @see #VIBRATE_SETTING_CHANGED_ACTION |
| * @see #VIBRATE_TYPE_NOTIFICATION |
| * @see #VIBRATE_TYPE_RINGER |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode and listen to {@link #RINGER_MODE_CHANGED_ACTION} instead. |
| */ |
| public static final String EXTRA_VIBRATE_TYPE = "android.media.EXTRA_VIBRATE_TYPE"; |
| |
| /** |
| * @hide The stream type for the volume changed intent. |
| */ |
| public static final String EXTRA_VOLUME_STREAM_TYPE = "android.media.EXTRA_VOLUME_STREAM_TYPE"; |
| |
| /** |
| * @hide The volume associated with the stream for the volume changed intent. |
| */ |
| public static final String EXTRA_VOLUME_STREAM_VALUE = |
| "android.media.EXTRA_VOLUME_STREAM_VALUE"; |
| |
| /** |
| * @hide The previous volume associated with the stream for the volume changed intent. |
| */ |
| public static final String EXTRA_PREV_VOLUME_STREAM_VALUE = |
| "android.media.EXTRA_PREV_VOLUME_STREAM_VALUE"; |
| |
| /** |
| * @hide The new master volume value for the master volume changed intent. |
| * Value is integer between 0 and 100 inclusive. |
| */ |
| public static final String EXTRA_MASTER_VOLUME_VALUE = |
| "android.media.EXTRA_MASTER_VOLUME_VALUE"; |
| |
| /** |
| * @hide The previous master volume value for the master volume changed intent. |
| * Value is integer between 0 and 100 inclusive. |
| */ |
| public static final String EXTRA_PREV_MASTER_VOLUME_VALUE = |
| "android.media.EXTRA_PREV_MASTER_VOLUME_VALUE"; |
| |
| /** |
| * @hide The new master volume mute state for the master mute changed intent. |
| * Value is boolean |
| */ |
| public static final String EXTRA_MASTER_VOLUME_MUTED = |
| "android.media.EXTRA_MASTER_VOLUME_MUTED"; |
| |
| /** The audio stream for phone calls */ |
| public static final int STREAM_VOICE_CALL = AudioSystem.STREAM_VOICE_CALL; |
| /** The audio stream for system sounds */ |
| public static final int STREAM_SYSTEM = AudioSystem.STREAM_SYSTEM; |
| /** The audio stream for the phone ring */ |
| public static final int STREAM_RING = AudioSystem.STREAM_RING; |
| /** The audio stream for music playback */ |
| public static final int STREAM_MUSIC = AudioSystem.STREAM_MUSIC; |
| /** The audio stream for alarms */ |
| public static final int STREAM_ALARM = AudioSystem.STREAM_ALARM; |
| /** The audio stream for notifications */ |
| public static final int STREAM_NOTIFICATION = AudioSystem.STREAM_NOTIFICATION; |
| /** @hide The audio stream for phone calls when connected to bluetooth */ |
| public static final int STREAM_BLUETOOTH_SCO = AudioSystem.STREAM_BLUETOOTH_SCO; |
| /** @hide The audio stream for enforced system sounds in certain countries (e.g camera in Japan) */ |
| public static final int STREAM_SYSTEM_ENFORCED = AudioSystem.STREAM_SYSTEM_ENFORCED; |
| /** The audio stream for DTMF Tones */ |
| public static final int STREAM_DTMF = AudioSystem.STREAM_DTMF; |
| /** @hide The audio stream for text to speech (TTS) */ |
| public static final int STREAM_TTS = AudioSystem.STREAM_TTS; |
| /** Number of audio streams */ |
| /** |
| * @deprecated Use AudioSystem.getNumStreamTypes() instead |
| */ |
| @Deprecated public static final int NUM_STREAMS = AudioSystem.NUM_STREAMS; |
| |
| |
| /** @hide Default volume index values for audio streams */ |
| public static final int[] DEFAULT_STREAM_VOLUME = new int[] { |
| 4, // STREAM_VOICE_CALL |
| 7, // STREAM_SYSTEM |
| 5, // STREAM_RING |
| 11, // STREAM_MUSIC |
| 6, // STREAM_ALARM |
| 5, // STREAM_NOTIFICATION |
| 7, // STREAM_BLUETOOTH_SCO |
| 7, // STREAM_SYSTEM_ENFORCED |
| 11, // STREAM_DTMF |
| 11 // STREAM_TTS |
| }; |
| |
| /** |
| * Increase the ringer volume. |
| * |
| * @see #adjustVolume(int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| */ |
| public static final int ADJUST_RAISE = 1; |
| |
| /** |
| * Decrease the ringer volume. |
| * |
| * @see #adjustVolume(int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| */ |
| public static final int ADJUST_LOWER = -1; |
| |
| /** |
| * Maintain the previous ringer volume. This may be useful when needing to |
| * show the volume toast without actually modifying the volume. |
| * |
| * @see #adjustVolume(int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| */ |
| public static final int ADJUST_SAME = 0; |
| |
| // Flags should be powers of 2! |
| |
| /** |
| * Show a toast containing the current volume. |
| * |
| * @see #adjustStreamVolume(int, int, int) |
| * @see #adjustVolume(int, int) |
| * @see #setStreamVolume(int, int, int) |
| * @see #setRingerMode(int) |
| */ |
| public static final int FLAG_SHOW_UI = 1 << 0; |
| |
| /** |
| * Whether to include ringer modes as possible options when changing volume. |
| * For example, if true and volume level is 0 and the volume is adjusted |
| * with {@link #ADJUST_LOWER}, then the ringer mode may switch the silent or |
| * vibrate mode. |
| * <p> |
| * By default this is on for the ring stream. If this flag is included, |
| * this behavior will be present regardless of the stream type being |
| * affected by the ringer mode. |
| * |
| * @see #adjustVolume(int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| */ |
| public static final int FLAG_ALLOW_RINGER_MODES = 1 << 1; |
| |
| /** |
| * Whether to play a sound when changing the volume. |
| * <p> |
| * If this is given to {@link #adjustVolume(int, int)} or |
| * {@link #adjustSuggestedStreamVolume(int, int, int)}, it may be ignored |
| * in some cases (for example, the decided stream type is not |
| * {@link AudioManager#STREAM_RING}, or the volume is being adjusted |
| * downward). |
| * |
| * @see #adjustStreamVolume(int, int, int) |
| * @see #adjustVolume(int, int) |
| * @see #setStreamVolume(int, int, int) |
| */ |
| public static final int FLAG_PLAY_SOUND = 1 << 2; |
| |
| /** |
| * Removes any sounds/vibrate that may be in the queue, or are playing (related to |
| * changing volume). |
| */ |
| public static final int FLAG_REMOVE_SOUND_AND_VIBRATE = 1 << 3; |
| |
| /** |
| * Whether to vibrate if going into the vibrate ringer mode. |
| */ |
| public static final int FLAG_VIBRATE = 1 << 4; |
| |
| /** |
| * Indicates to VolumePanel that the volume slider should be disabled as user |
| * cannot change the stream volume |
| * @hide |
| */ |
| public static final int FLAG_FIXED_VOLUME = 1 << 5; |
| |
| /** |
| * Indicates the volume set/adjust call is for Bluetooth absolute volume |
| * @hide |
| */ |
| public static final int FLAG_BLUETOOTH_ABS_VOLUME = 1 << 6; |
| |
| /** |
| * Adjusting the volume was prevented due to silent mode, display a hint in the UI. |
| * @hide |
| */ |
| public static final int FLAG_SHOW_SILENT_HINT = 1 << 7; |
| |
| /** |
| * Ringer mode that will be silent and will not vibrate. (This overrides the |
| * vibrate setting.) |
| * |
| * @see #setRingerMode(int) |
| * @see #getRingerMode() |
| */ |
| public static final int RINGER_MODE_SILENT = 0; |
| |
| /** |
| * Ringer mode that will be silent and will vibrate. (This will cause the |
| * phone ringer to always vibrate, but the notification vibrate to only |
| * vibrate if set.) |
| * |
| * @see #setRingerMode(int) |
| * @see #getRingerMode() |
| */ |
| public static final int RINGER_MODE_VIBRATE = 1; |
| |
| /** |
| * Ringer mode that may be audible and may vibrate. It will be audible if |
| * the volume before changing out of this mode was audible. It will vibrate |
| * if the vibrate setting is on. |
| * |
| * @see #setRingerMode(int) |
| * @see #getRingerMode() |
| */ |
| public static final int RINGER_MODE_NORMAL = 2; |
| |
| // maximum valid ringer mode value. Values must start from 0 and be contiguous. |
| private static final int RINGER_MODE_MAX = RINGER_MODE_NORMAL; |
| |
| /** |
| * Vibrate type that corresponds to the ringer. |
| * |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @see #shouldVibrate(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public static final int VIBRATE_TYPE_RINGER = 0; |
| |
| /** |
| * Vibrate type that corresponds to notifications. |
| * |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @see #shouldVibrate(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public static final int VIBRATE_TYPE_NOTIFICATION = 1; |
| |
| /** |
| * Vibrate setting that suggests to never vibrate. |
| * |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public static final int VIBRATE_SETTING_OFF = 0; |
| |
| /** |
| * Vibrate setting that suggests to vibrate when possible. |
| * |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public static final int VIBRATE_SETTING_ON = 1; |
| |
| /** |
| * Vibrate setting that suggests to only vibrate when in the vibrate ringer |
| * mode. |
| * |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public static final int VIBRATE_SETTING_ONLY_SILENT = 2; |
| |
| /** |
| * Suggests using the default stream type. This may not be used in all |
| * places a stream type is needed. |
| */ |
| public static final int USE_DEFAULT_STREAM_TYPE = Integer.MIN_VALUE; |
| |
| private static IAudioService sService; |
| |
| /** |
| * @hide |
| */ |
| public AudioManager(Context context) { |
| mContext = context; |
| mUseMasterVolume = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_useMasterVolume); |
| mUseVolumeKeySounds = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_useVolumeKeySounds); |
| mAudioPortEventHandler = new AudioPortEventHandler(this); |
| } |
| |
| private static IAudioService getService() |
| { |
| if (sService != null) { |
| return sService; |
| } |
| IBinder b = ServiceManager.getService(Context.AUDIO_SERVICE); |
| sService = IAudioService.Stub.asInterface(b); |
| return sService; |
| } |
| |
| /** |
| * Sends a simulated key event for a media button. |
| * To simulate a key press, you must first send a KeyEvent built with a |
| * {@link KeyEvent#ACTION_DOWN} action, then another event with the {@link KeyEvent#ACTION_UP} |
| * action. |
| * <p>The key event will be sent to the current media key event consumer which registered with |
| * {@link AudioManager#registerMediaButtonEventReceiver(PendingIntent)}. |
| * @param keyEvent a {@link KeyEvent} instance whose key code is one of |
| * {@link KeyEvent#KEYCODE_MUTE}, |
| * {@link KeyEvent#KEYCODE_HEADSETHOOK}, |
| * {@link KeyEvent#KEYCODE_MEDIA_PLAY}, |
| * {@link KeyEvent#KEYCODE_MEDIA_PAUSE}, |
| * {@link KeyEvent#KEYCODE_MEDIA_PLAY_PAUSE}, |
| * {@link KeyEvent#KEYCODE_MEDIA_STOP}, |
| * {@link KeyEvent#KEYCODE_MEDIA_NEXT}, |
| * {@link KeyEvent#KEYCODE_MEDIA_PREVIOUS}, |
| * {@link KeyEvent#KEYCODE_MEDIA_REWIND}, |
| * {@link KeyEvent#KEYCODE_MEDIA_RECORD}, |
| * {@link KeyEvent#KEYCODE_MEDIA_FAST_FORWARD}, |
| * {@link KeyEvent#KEYCODE_MEDIA_CLOSE}, |
| * {@link KeyEvent#KEYCODE_MEDIA_EJECT}, |
| * or {@link KeyEvent#KEYCODE_MEDIA_AUDIO_TRACK}. |
| */ |
| public void dispatchMediaKeyEvent(KeyEvent keyEvent) { |
| if (USE_SESSIONS) { |
| MediaSessionLegacyHelper helper = MediaSessionLegacyHelper.getHelper(mContext); |
| helper.sendMediaButtonEvent(keyEvent, false); |
| } else { |
| IAudioService service = getService(); |
| try { |
| service.dispatchMediaKeyEvent(keyEvent); |
| } catch (RemoteException e) { |
| Log.e(TAG, "dispatchMediaKeyEvent threw exception ", e); |
| } |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void preDispatchKeyEvent(KeyEvent event, int stream) { |
| /* |
| * If the user hits another key within the play sound delay, then |
| * cancel the sound |
| */ |
| int keyCode = event.getKeyCode(); |
| if (keyCode != KeyEvent.KEYCODE_VOLUME_DOWN && keyCode != KeyEvent.KEYCODE_VOLUME_UP |
| && keyCode != KeyEvent.KEYCODE_VOLUME_MUTE |
| && mVolumeKeyUpTime + AudioService.PLAY_SOUND_DELAY |
| > SystemClock.uptimeMillis()) { |
| /* |
| * The user has hit another key during the delay (e.g., 300ms) |
| * since the last volume key up, so cancel any sounds. |
| */ |
| if (mUseMasterVolume) { |
| adjustMasterVolume(ADJUST_SAME, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE); |
| } else { |
| adjustSuggestedStreamVolume(ADJUST_SAME, |
| stream, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE); |
| } |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void handleKeyDown(KeyEvent event, int stream) { |
| int keyCode = event.getKeyCode(); |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_VOLUME_UP: |
| case KeyEvent.KEYCODE_VOLUME_DOWN: |
| /* |
| * Adjust the volume in on key down since it is more |
| * responsive to the user. |
| */ |
| int flags = FLAG_SHOW_UI | FLAG_VIBRATE; |
| |
| if (mUseMasterVolume) { |
| adjustMasterVolume( |
| keyCode == KeyEvent.KEYCODE_VOLUME_UP |
| ? ADJUST_RAISE |
| : ADJUST_LOWER, |
| flags); |
| } else { |
| adjustSuggestedStreamVolume( |
| keyCode == KeyEvent.KEYCODE_VOLUME_UP |
| ? ADJUST_RAISE |
| : ADJUST_LOWER, |
| stream, |
| flags); |
| } |
| break; |
| case KeyEvent.KEYCODE_VOLUME_MUTE: |
| if (event.getRepeatCount() == 0) { |
| if (mUseMasterVolume) { |
| setMasterMute(!isMasterMute()); |
| } else { |
| // TODO: Actually handle MUTE. |
| } |
| } |
| break; |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void handleKeyUp(KeyEvent event, int stream) { |
| int keyCode = event.getKeyCode(); |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_VOLUME_UP: |
| case KeyEvent.KEYCODE_VOLUME_DOWN: |
| /* |
| * Play a sound. This is done on key up since we don't want the |
| * sound to play when a user holds down volume down to mute. |
| */ |
| if (mUseVolumeKeySounds) { |
| if (mUseMasterVolume) { |
| adjustMasterVolume(ADJUST_SAME, FLAG_PLAY_SOUND); |
| } else { |
| int flags = FLAG_PLAY_SOUND; |
| adjustSuggestedStreamVolume( |
| ADJUST_SAME, |
| stream, |
| flags); |
| } |
| } |
| mVolumeKeyUpTime = SystemClock.uptimeMillis(); |
| break; |
| } |
| } |
| |
| /** |
| * Adjusts the volume of a particular stream by one step in a direction. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param streamType The stream type to adjust. One of {@link #STREAM_VOICE_CALL}, |
| * {@link #STREAM_SYSTEM}, {@link #STREAM_RING}, {@link #STREAM_MUSIC} or |
| * {@link #STREAM_ALARM} |
| * @param direction The direction to adjust the volume. One of |
| * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or |
| * {@link #ADJUST_SAME}. |
| * @param flags One or more flags. |
| * @see #adjustVolume(int, int) |
| * @see #setStreamVolume(int, int, int) |
| */ |
| public void adjustStreamVolume(int streamType, int direction, int flags) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| service.adjustMasterVolume(direction, flags, mContext.getOpPackageName()); |
| } else { |
| service.adjustStreamVolume(streamType, direction, flags, |
| mContext.getOpPackageName()); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in adjustStreamVolume", e); |
| } |
| } |
| |
| /** |
| * Adjusts the volume of the most relevant stream. For example, if a call is |
| * active, it will have the highest priority regardless of if the in-call |
| * screen is showing. Another example, if music is playing in the background |
| * and a call is not active, the music stream will be adjusted. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param direction The direction to adjust the volume. One of |
| * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or |
| * {@link #ADJUST_SAME}. |
| * @param flags One or more flags. |
| * @see #adjustSuggestedStreamVolume(int, int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| * @see #setStreamVolume(int, int, int) |
| */ |
| public void adjustVolume(int direction, int flags) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| service.adjustMasterVolume(direction, flags, mContext.getOpPackageName()); |
| } else { |
| if (USE_SESSIONS) { |
| MediaSessionLegacyHelper helper = MediaSessionLegacyHelper.getHelper(mContext); |
| helper.sendAdjustVolumeBy(USE_DEFAULT_STREAM_TYPE, direction, flags); |
| } else { |
| service.adjustVolume(direction, flags, mContext.getOpPackageName()); |
| } |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in adjustVolume", e); |
| } |
| } |
| |
| /** |
| * Adjusts the volume of the most relevant stream, or the given fallback |
| * stream. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param direction The direction to adjust the volume. One of |
| * {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or |
| * {@link #ADJUST_SAME}. |
| * @param suggestedStreamType The stream type that will be used if there |
| * isn't a relevant stream. {@link #USE_DEFAULT_STREAM_TYPE} is valid here. |
| * @param flags One or more flags. |
| * @see #adjustVolume(int, int) |
| * @see #adjustStreamVolume(int, int, int) |
| * @see #setStreamVolume(int, int, int) |
| */ |
| public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| service.adjustMasterVolume(direction, flags, mContext.getOpPackageName()); |
| } else { |
| if (USE_SESSIONS) { |
| MediaSessionLegacyHelper helper = MediaSessionLegacyHelper.getHelper(mContext); |
| helper.sendAdjustVolumeBy(suggestedStreamType, direction, flags); |
| } else { |
| service.adjustSuggestedStreamVolume(direction, suggestedStreamType, flags, |
| mContext.getOpPackageName()); |
| } |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in adjustSuggestedStreamVolume", e); |
| } |
| } |
| |
| /** |
| * Adjusts the master volume for the device's audio amplifier. |
| * <p> |
| * |
| * @param steps The number of volume steps to adjust. A positive |
| * value will raise the volume. |
| * @param flags One or more flags. |
| * @hide |
| */ |
| public void adjustMasterVolume(int steps, int flags) { |
| IAudioService service = getService(); |
| try { |
| service.adjustMasterVolume(steps, flags, mContext.getOpPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in adjustMasterVolume", e); |
| } |
| } |
| |
| /** |
| * Returns the current ringtone mode. |
| * |
| * @return The current ringtone mode, one of {@link #RINGER_MODE_NORMAL}, |
| * {@link #RINGER_MODE_SILENT}, or {@link #RINGER_MODE_VIBRATE}. |
| * @see #setRingerMode(int) |
| */ |
| public int getRingerMode() { |
| IAudioService service = getService(); |
| try { |
| return service.getRingerMode(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getRingerMode", e); |
| return RINGER_MODE_NORMAL; |
| } |
| } |
| |
| /** |
| * Checks valid ringer mode values. |
| * |
| * @return true if the ringer mode indicated is valid, false otherwise. |
| * |
| * @see #setRingerMode(int) |
| * @hide |
| */ |
| public static boolean isValidRingerMode(int ringerMode) { |
| if (ringerMode < 0 || ringerMode > RINGER_MODE_MAX) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Returns the maximum volume index for a particular stream. |
| * |
| * @param streamType The stream type whose maximum volume index is returned. |
| * @return The maximum valid volume index for the stream. |
| * @see #getStreamVolume(int) |
| */ |
| public int getStreamMaxVolume(int streamType) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| return service.getMasterMaxVolume(); |
| } else { |
| return service.getStreamMaxVolume(streamType); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getStreamMaxVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Returns the current volume index for a particular stream. |
| * |
| * @param streamType The stream type whose volume index is returned. |
| * @return The current volume index for the stream. |
| * @see #getStreamMaxVolume(int) |
| * @see #setStreamVolume(int, int, int) |
| */ |
| public int getStreamVolume(int streamType) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| return service.getMasterVolume(); |
| } else { |
| return service.getStreamVolume(streamType); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getStreamVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Get last audible volume before stream was muted. |
| * |
| * @hide |
| */ |
| public int getLastAudibleStreamVolume(int streamType) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| return service.getLastAudibleMasterVolume(); |
| } else { |
| return service.getLastAudibleStreamVolume(streamType); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getLastAudibleStreamVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Get the stream type whose volume is driving the UI sounds volume. |
| * UI sounds are screen lock/unlock, camera shutter, key clicks... |
| * @hide |
| */ |
| public int getMasterStreamType() { |
| IAudioService service = getService(); |
| try { |
| return service.getMasterStreamType(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getMasterStreamType", e); |
| return STREAM_RING; |
| } |
| } |
| |
| /** |
| * Sets the ringer mode. |
| * <p> |
| * Silent mode will mute the volume and will not vibrate. Vibrate mode will |
| * mute the volume and vibrate. Normal mode will be audible and may vibrate |
| * according to user settings. |
| * |
| * @param ringerMode The ringer mode, one of {@link #RINGER_MODE_NORMAL}, |
| * {@link #RINGER_MODE_SILENT}, or {@link #RINGER_MODE_VIBRATE}. |
| * @see #getRingerMode() |
| */ |
| public void setRingerMode(int ringerMode) { |
| if (!isValidRingerMode(ringerMode)) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.setRingerMode(ringerMode); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setRingerMode", e); |
| } |
| } |
| |
| /** |
| * Sets the volume index for a particular stream. |
| * |
| * @param streamType The stream whose volume index should be set. |
| * @param index The volume index to set. See |
| * {@link #getStreamMaxVolume(int)} for the largest valid value. |
| * @param flags One or more flags. |
| * @see #getStreamMaxVolume(int) |
| * @see #getStreamVolume(int) |
| */ |
| public void setStreamVolume(int streamType, int index, int flags) { |
| IAudioService service = getService(); |
| try { |
| if (mUseMasterVolume) { |
| service.setMasterVolume(index, flags, mContext.getOpPackageName()); |
| } else { |
| service.setStreamVolume(streamType, index, flags, mContext.getOpPackageName()); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setStreamVolume", e); |
| } |
| } |
| |
| /** |
| * Returns the maximum volume index for master volume. |
| * |
| * @hide |
| */ |
| public int getMasterMaxVolume() { |
| IAudioService service = getService(); |
| try { |
| return service.getMasterMaxVolume(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getMasterMaxVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Returns the current volume index for master volume. |
| * |
| * @return The current volume index for master volume. |
| * @hide |
| */ |
| public int getMasterVolume() { |
| IAudioService service = getService(); |
| try { |
| return service.getMasterVolume(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getMasterVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Get last audible volume before master volume was muted. |
| * |
| * @hide |
| */ |
| public int getLastAudibleMasterVolume() { |
| IAudioService service = getService(); |
| try { |
| return service.getLastAudibleMasterVolume(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getLastAudibleMasterVolume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Sets the volume index for master volume. |
| * |
| * @param index The volume index to set. See |
| * {@link #getMasterMaxVolume()} for the largest valid value. |
| * @param flags One or more flags. |
| * @see #getMasterMaxVolume() |
| * @see #getMasterVolume() |
| * @hide |
| */ |
| public void setMasterVolume(int index, int flags) { |
| IAudioService service = getService(); |
| try { |
| service.setMasterVolume(index, flags, mContext.getOpPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setMasterVolume", e); |
| } |
| } |
| |
| /** |
| * Solo or unsolo a particular stream. All other streams are muted. |
| * <p> |
| * The solo command is protected against client process death: if a process |
| * with an active solo request on a stream dies, all streams that were muted |
| * because of this request will be unmuted automatically. |
| * <p> |
| * The solo requests for a given stream are cumulative: the AudioManager |
| * can receive several solo requests from one or more clients and the stream |
| * will be unsoloed only when the same number of unsolo requests are received. |
| * <p> |
| * For a better user experience, applications MUST unsolo a soloed stream |
| * in onPause() and solo is again in onResume() if appropriate. |
| * |
| * @param streamType The stream to be soloed/unsoloed. |
| * @param state The required solo state: true for solo ON, false for solo OFF |
| */ |
| public void setStreamSolo(int streamType, boolean state) { |
| IAudioService service = getService(); |
| try { |
| service.setStreamSolo(streamType, state, mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setStreamSolo", e); |
| } |
| } |
| |
| /** |
| * Mute or unmute an audio stream. |
| * <p> |
| * The mute command is protected against client process death: if a process |
| * with an active mute request on a stream dies, this stream will be unmuted |
| * automatically. |
| * <p> |
| * The mute requests for a given stream are cumulative: the AudioManager |
| * can receive several mute requests from one or more clients and the stream |
| * will be unmuted only when the same number of unmute requests are received. |
| * <p> |
| * For a better user experience, applications MUST unmute a muted stream |
| * in onPause() and mute is again in onResume() if appropriate. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param streamType The stream to be muted/unmuted. |
| * @param state The required mute state: true for mute ON, false for mute OFF |
| */ |
| public void setStreamMute(int streamType, boolean state) { |
| IAudioService service = getService(); |
| try { |
| service.setStreamMute(streamType, state, mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setStreamMute", e); |
| } |
| } |
| |
| /** |
| * get stream mute state. |
| * |
| * @hide |
| */ |
| public boolean isStreamMute(int streamType) { |
| IAudioService service = getService(); |
| try { |
| return service.isStreamMute(streamType); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isStreamMute", e); |
| return false; |
| } |
| } |
| |
| /** |
| * set master mute state. |
| * |
| * @hide |
| */ |
| public void setMasterMute(boolean state) { |
| setMasterMute(state, FLAG_SHOW_UI); |
| } |
| |
| /** |
| * set master mute state with optional flags. |
| * |
| * @hide |
| */ |
| public void setMasterMute(boolean state, int flags) { |
| IAudioService service = getService(); |
| try { |
| service.setMasterMute(state, flags, mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setMasterMute", e); |
| } |
| } |
| |
| /** |
| * get master mute state. |
| * |
| * @hide |
| */ |
| public boolean isMasterMute() { |
| IAudioService service = getService(); |
| try { |
| return service.isMasterMute(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isMasterMute", e); |
| return false; |
| } |
| } |
| |
| /** |
| * forces the stream controlled by hard volume keys |
| * specifying streamType == -1 releases control to the |
| * logic. |
| * |
| * @hide |
| */ |
| public void forceVolumeControlStream(int streamType) { |
| IAudioService service = getService(); |
| try { |
| service.forceVolumeControlStream(streamType, mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in forceVolumeControlStream", e); |
| } |
| } |
| |
| /** |
| * Returns whether a particular type should vibrate according to user |
| * settings and the current ringer mode. |
| * <p> |
| * This shouldn't be needed by most clients that use notifications to |
| * vibrate. The notification manager will not vibrate if the policy doesn't |
| * allow it, so the client should always set a vibrate pattern and let the |
| * notification manager control whether or not to actually vibrate. |
| * |
| * @param vibrateType The type of vibrate. One of |
| * {@link #VIBRATE_TYPE_NOTIFICATION} or |
| * {@link #VIBRATE_TYPE_RINGER}. |
| * @return Whether the type should vibrate at the instant this method is |
| * called. |
| * @see #setVibrateSetting(int, int) |
| * @see #getVibrateSetting(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public boolean shouldVibrate(int vibrateType) { |
| IAudioService service = getService(); |
| try { |
| return service.shouldVibrate(vibrateType); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in shouldVibrate", e); |
| return false; |
| } |
| } |
| |
| /** |
| * Returns whether the user's vibrate setting for a vibrate type. |
| * <p> |
| * This shouldn't be needed by most clients that want to vibrate, instead |
| * see {@link #shouldVibrate(int)}. |
| * |
| * @param vibrateType The type of vibrate. One of |
| * {@link #VIBRATE_TYPE_NOTIFICATION} or |
| * {@link #VIBRATE_TYPE_RINGER}. |
| * @return The vibrate setting, one of {@link #VIBRATE_SETTING_ON}, |
| * {@link #VIBRATE_SETTING_OFF}, or |
| * {@link #VIBRATE_SETTING_ONLY_SILENT}. |
| * @see #setVibrateSetting(int, int) |
| * @see #shouldVibrate(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public int getVibrateSetting(int vibrateType) { |
| IAudioService service = getService(); |
| try { |
| return service.getVibrateSetting(vibrateType); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getVibrateSetting", e); |
| return VIBRATE_SETTING_OFF; |
| } |
| } |
| |
| /** |
| * Sets the setting for when the vibrate type should vibrate. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param vibrateType The type of vibrate. One of |
| * {@link #VIBRATE_TYPE_NOTIFICATION} or |
| * {@link #VIBRATE_TYPE_RINGER}. |
| * @param vibrateSetting The vibrate setting, one of |
| * {@link #VIBRATE_SETTING_ON}, |
| * {@link #VIBRATE_SETTING_OFF}, or |
| * {@link #VIBRATE_SETTING_ONLY_SILENT}. |
| * @see #getVibrateSetting(int) |
| * @see #shouldVibrate(int) |
| * @deprecated Applications should maintain their own vibrate policy based on |
| * current ringer mode that can be queried via {@link #getRingerMode()}. |
| */ |
| public void setVibrateSetting(int vibrateType, int vibrateSetting) { |
| IAudioService service = getService(); |
| try { |
| service.setVibrateSetting(vibrateType, vibrateSetting); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setVibrateSetting", e); |
| } |
| } |
| |
| /** |
| * Sets the speakerphone on or off. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param on set <var>true</var> to turn on speakerphone; |
| * <var>false</var> to turn it off |
| */ |
| public void setSpeakerphoneOn(boolean on){ |
| IAudioService service = getService(); |
| try { |
| service.setSpeakerphoneOn(on); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setSpeakerphoneOn", e); |
| } |
| } |
| |
| /** |
| * Checks whether the speakerphone is on or off. |
| * |
| * @return true if speakerphone is on, false if it's off |
| */ |
| public boolean isSpeakerphoneOn() { |
| IAudioService service = getService(); |
| try { |
| return service.isSpeakerphoneOn(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isSpeakerphoneOn", e); |
| return false; |
| } |
| } |
| |
| //==================================================================== |
| // Bluetooth SCO control |
| /** |
| * Sticky broadcast intent action indicating that the bluetoooth SCO audio |
| * connection state has changed. The intent contains on extra {@link #EXTRA_SCO_AUDIO_STATE} |
| * indicating the new state which is either {@link #SCO_AUDIO_STATE_DISCONNECTED} |
| * or {@link #SCO_AUDIO_STATE_CONNECTED} |
| * |
| * @see #startBluetoothSco() |
| * @deprecated Use {@link #ACTION_SCO_AUDIO_STATE_UPDATED} instead |
| */ |
| @Deprecated |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_SCO_AUDIO_STATE_CHANGED = |
| "android.media.SCO_AUDIO_STATE_CHANGED"; |
| |
| /** |
| * Sticky broadcast intent action indicating that the bluetoooth SCO audio |
| * connection state has been updated. |
| * <p>This intent has two extras: |
| * <ul> |
| * <li> {@link #EXTRA_SCO_AUDIO_STATE} - The new SCO audio state. </li> |
| * <li> {@link #EXTRA_SCO_AUDIO_PREVIOUS_STATE}- The previous SCO audio state. </li> |
| * </ul> |
| * <p> EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE can be any of: |
| * <ul> |
| * <li> {@link #SCO_AUDIO_STATE_DISCONNECTED}, </li> |
| * <li> {@link #SCO_AUDIO_STATE_CONNECTING} or </li> |
| * <li> {@link #SCO_AUDIO_STATE_CONNECTED}, </li> |
| * </ul> |
| * @see #startBluetoothSco() |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_SCO_AUDIO_STATE_UPDATED = |
| "android.media.ACTION_SCO_AUDIO_STATE_UPDATED"; |
| |
| /** |
| * Extra for intent {@link #ACTION_SCO_AUDIO_STATE_CHANGED} or |
| * {@link #ACTION_SCO_AUDIO_STATE_UPDATED} containing the new bluetooth SCO connection state. |
| */ |
| public static final String EXTRA_SCO_AUDIO_STATE = |
| "android.media.extra.SCO_AUDIO_STATE"; |
| |
| /** |
| * Extra for intent {@link #ACTION_SCO_AUDIO_STATE_UPDATED} containing the previous |
| * bluetooth SCO connection state. |
| */ |
| public static final String EXTRA_SCO_AUDIO_PREVIOUS_STATE = |
| "android.media.extra.SCO_AUDIO_PREVIOUS_STATE"; |
| |
| /** |
| * Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE |
| * indicating that the SCO audio channel is not established |
| */ |
| public static final int SCO_AUDIO_STATE_DISCONNECTED = 0; |
| /** |
| * Value for extra {@link #EXTRA_SCO_AUDIO_STATE} or {@link #EXTRA_SCO_AUDIO_PREVIOUS_STATE} |
| * indicating that the SCO audio channel is established |
| */ |
| public static final int SCO_AUDIO_STATE_CONNECTED = 1; |
| /** |
| * Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE |
| * indicating that the SCO audio channel is being established |
| */ |
| public static final int SCO_AUDIO_STATE_CONNECTING = 2; |
| /** |
| * Value for extra EXTRA_SCO_AUDIO_STATE indicating that |
| * there was an error trying to obtain the state |
| */ |
| public static final int SCO_AUDIO_STATE_ERROR = -1; |
| |
| |
| /** |
| * Indicates if current platform supports use of SCO for off call use cases. |
| * Application wanted to use bluetooth SCO audio when the phone is not in call |
| * must first call this method to make sure that the platform supports this |
| * feature. |
| * @return true if bluetooth SCO can be used for audio when not in call |
| * false otherwise |
| * @see #startBluetoothSco() |
| */ |
| public boolean isBluetoothScoAvailableOffCall() { |
| return mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_bluetooth_sco_off_call); |
| } |
| |
| /** |
| * Start bluetooth SCO audio connection. |
| * <p>Requires Permission: |
| * {@link android.Manifest.permission#MODIFY_AUDIO_SETTINGS}. |
| * <p>This method can be used by applications wanting to send and received audio |
| * to/from a bluetooth SCO headset while the phone is not in call. |
| * <p>As the SCO connection establishment can take several seconds, |
| * applications should not rely on the connection to be available when the method |
| * returns but instead register to receive the intent {@link #ACTION_SCO_AUDIO_STATE_UPDATED} |
| * and wait for the state to be {@link #SCO_AUDIO_STATE_CONNECTED}. |
| * <p>As the ACTION_SCO_AUDIO_STATE_UPDATED intent is sticky, the application can check the SCO |
| * audio state before calling startBluetoothSco() by reading the intent returned by the receiver |
| * registration. If the state is already CONNECTED, no state change will be received via the |
| * intent after calling startBluetoothSco(). It is however useful to call startBluetoothSco() |
| * so that the connection stays active in case the current initiator stops the connection. |
| * <p>Unless the connection is already active as described above, the state will always |
| * transition from DISCONNECTED to CONNECTING and then either to CONNECTED if the connection |
| * succeeds or back to DISCONNECTED if the connection fails (e.g no headset is connected). |
| * <p>When finished with the SCO connection or if the establishment fails, the application must |
| * call {@link #stopBluetoothSco()} to clear the request and turn down the bluetooth connection. |
| * <p>Even if a SCO connection is established, the following restrictions apply on audio |
| * output streams so that they can be routed to SCO headset: |
| * <p>NOTE: up to and including API version |
| * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1}, this method initiates a virtual |
| * voice call to the bluetooth headset. |
| * After API version {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR2} only a raw SCO audio |
| * connection is established. |
| * <ul> |
| * <li> the stream type must be {@link #STREAM_VOICE_CALL} </li> |
| * <li> the format must be mono </li> |
| * <li> the sampling must be 16kHz or 8kHz </li> |
| * </ul> |
| * <p>The following restrictions apply on input streams: |
| * <ul> |
| * <li> the format must be mono </li> |
| * <li> the sampling must be 8kHz </li> |
| * </ul> |
| * <p>Note that the phone application always has the priority on the usage of the SCO |
| * connection for telephony. If this method is called while the phone is in call |
| * it will be ignored. Similarly, if a call is received or sent while an application |
| * is using the SCO connection, the connection will be lost for the application and NOT |
| * returned automatically when the call ends. |
| * @see #stopBluetoothSco() |
| * @see #ACTION_SCO_AUDIO_STATE_UPDATED |
| */ |
| public void startBluetoothSco(){ |
| IAudioService service = getService(); |
| try { |
| service.startBluetoothSco(mICallBack, mContext.getApplicationInfo().targetSdkVersion); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in startBluetoothSco", e); |
| } |
| } |
| |
| /** |
| * Stop bluetooth SCO audio connection. |
| * <p>Requires Permission: |
| * {@link android.Manifest.permission#MODIFY_AUDIO_SETTINGS}. |
| * <p>This method must be called by applications having requested the use of |
| * bluetooth SCO audio with {@link #startBluetoothSco()} |
| * when finished with the SCO connection or if connection fails. |
| * @see #startBluetoothSco() |
| */ |
| public void stopBluetoothSco(){ |
| IAudioService service = getService(); |
| try { |
| service.stopBluetoothSco(mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in stopBluetoothSco", e); |
| } |
| } |
| |
| /** |
| * Request use of Bluetooth SCO headset for communications. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param on set <var>true</var> to use bluetooth SCO for communications; |
| * <var>false</var> to not use bluetooth SCO for communications |
| */ |
| public void setBluetoothScoOn(boolean on){ |
| IAudioService service = getService(); |
| try { |
| service.setBluetoothScoOn(on); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setBluetoothScoOn", e); |
| } |
| } |
| |
| /** |
| * Checks whether communications use Bluetooth SCO. |
| * |
| * @return true if SCO is used for communications; |
| * false if otherwise |
| */ |
| public boolean isBluetoothScoOn() { |
| IAudioService service = getService(); |
| try { |
| return service.isBluetoothScoOn(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isBluetoothScoOn", e); |
| return false; |
| } |
| } |
| |
| /** |
| * @param on set <var>true</var> to route A2DP audio to/from Bluetooth |
| * headset; <var>false</var> disable A2DP audio |
| * @deprecated Do not use. |
| */ |
| @Deprecated public void setBluetoothA2dpOn(boolean on){ |
| } |
| |
| /** |
| * Checks whether A2DP audio routing to the Bluetooth headset is on or off. |
| * |
| * @return true if A2DP audio is being routed to/from Bluetooth headset; |
| * false if otherwise |
| */ |
| public boolean isBluetoothA2dpOn() { |
| if (AudioSystem.getDeviceConnectionState(DEVICE_OUT_BLUETOOTH_A2DP,"") |
| == AudioSystem.DEVICE_STATE_UNAVAILABLE) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * Sets audio routing to the wired headset on or off. |
| * |
| * @param on set <var>true</var> to route audio to/from wired |
| * headset; <var>false</var> disable wired headset audio |
| * @deprecated Do not use. |
| */ |
| @Deprecated public void setWiredHeadsetOn(boolean on){ |
| } |
| |
| /** |
| * Checks whether a wired headset is connected or not. |
| * <p>This is not a valid indication that audio playback is |
| * actually over the wired headset as audio routing depends on other conditions. |
| * |
| * @return true if a wired headset is connected. |
| * false if otherwise |
| * @deprecated Use only to check is a headset is connected or not. |
| */ |
| public boolean isWiredHeadsetOn() { |
| if (AudioSystem.getDeviceConnectionState(DEVICE_OUT_WIRED_HEADSET,"") |
| == AudioSystem.DEVICE_STATE_UNAVAILABLE && |
| AudioSystem.getDeviceConnectionState(DEVICE_OUT_WIRED_HEADPHONE,"") |
| == AudioSystem.DEVICE_STATE_UNAVAILABLE) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * Sets the microphone mute on or off. |
| * <p> |
| * This method should only be used by applications that replace the platform-wide |
| * management of audio settings or the main telephony application. |
| * |
| * @param on set <var>true</var> to mute the microphone; |
| * <var>false</var> to turn mute off |
| */ |
| public void setMicrophoneMute(boolean on){ |
| AudioSystem.muteMicrophone(on); |
| } |
| |
| /** |
| * Checks whether the microphone mute is on or off. |
| * |
| * @return true if microphone is muted, false if it's not |
| */ |
| public boolean isMicrophoneMute() { |
| return AudioSystem.isMicrophoneMuted(); |
| } |
| |
| /** |
| * Sets the audio mode. |
| * <p> |
| * The audio mode encompasses audio routing AND the behavior of |
| * the telephony layer. Therefore this method should only be used by applications that |
| * replace the platform-wide management of audio settings or the main telephony application. |
| * In particular, the {@link #MODE_IN_CALL} mode should only be used by the telephony |
| * application when it places a phone call, as it will cause signals from the radio layer |
| * to feed the platform mixer. |
| * |
| * @param mode the requested audio mode ({@link #MODE_NORMAL}, {@link #MODE_RINGTONE}, |
| * {@link #MODE_IN_CALL} or {@link #MODE_IN_COMMUNICATION}). |
| * Informs the HAL about the current audio state so that |
| * it can route the audio appropriately. |
| */ |
| public void setMode(int mode) { |
| IAudioService service = getService(); |
| try { |
| service.setMode(mode, mICallBack); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setMode", e); |
| } |
| } |
| |
| /** |
| * Returns the current audio mode. |
| * |
| * @return the current audio mode ({@link #MODE_NORMAL}, {@link #MODE_RINGTONE}, |
| * {@link #MODE_IN_CALL} or {@link #MODE_IN_COMMUNICATION}). |
| * Returns the current current audio state from the HAL. |
| */ |
| public int getMode() { |
| IAudioService service = getService(); |
| try { |
| return service.getMode(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in getMode", e); |
| return MODE_INVALID; |
| } |
| } |
| |
| /* modes for setMode/getMode/setRoute/getRoute */ |
| /** |
| * Audio harware modes. |
| */ |
| /** |
| * Invalid audio mode. |
| */ |
| public static final int MODE_INVALID = AudioSystem.MODE_INVALID; |
| /** |
| * Current audio mode. Used to apply audio routing to current mode. |
| */ |
| public static final int MODE_CURRENT = AudioSystem.MODE_CURRENT; |
| /** |
| * Normal audio mode: not ringing and no call established. |
| */ |
| public static final int MODE_NORMAL = AudioSystem.MODE_NORMAL; |
| /** |
| * Ringing audio mode. An incoming is being signaled. |
| */ |
| public static final int MODE_RINGTONE = AudioSystem.MODE_RINGTONE; |
| /** |
| * In call audio mode. A telephony call is established. |
| */ |
| public static final int MODE_IN_CALL = AudioSystem.MODE_IN_CALL; |
| /** |
| * In communication audio mode. An audio/video chat or VoIP call is established. |
| */ |
| public static final int MODE_IN_COMMUNICATION = AudioSystem.MODE_IN_COMMUNICATION; |
| |
| /* Routing bits for setRouting/getRouting API */ |
| /** |
| * Routing audio output to earpiece |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_EARPIECE = AudioSystem.ROUTE_EARPIECE; |
| /** |
| * Routing audio output to speaker |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_SPEAKER = AudioSystem.ROUTE_SPEAKER; |
| /** |
| * @deprecated use {@link #ROUTE_BLUETOOTH_SCO} |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_BLUETOOTH = AudioSystem.ROUTE_BLUETOOTH_SCO; |
| /** |
| * Routing audio output to bluetooth SCO |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_BLUETOOTH_SCO = AudioSystem.ROUTE_BLUETOOTH_SCO; |
| /** |
| * Routing audio output to headset |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_HEADSET = AudioSystem.ROUTE_HEADSET; |
| /** |
| * Routing audio output to bluetooth A2DP |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_BLUETOOTH_A2DP = AudioSystem.ROUTE_BLUETOOTH_A2DP; |
| /** |
| * Used for mask parameter of {@link #setRouting(int,int,int)}. |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated public static final int ROUTE_ALL = AudioSystem.ROUTE_ALL; |
| |
| /** |
| * Sets the audio routing for a specified mode |
| * |
| * @param mode audio mode to change route. E.g., MODE_RINGTONE. |
| * @param routes bit vector of routes requested, created from one or |
| * more of ROUTE_xxx types. Set bits indicate that route should be on |
| * @param mask bit vector of routes to change, created from one or more of |
| * ROUTE_xxx types. Unset bits indicate the route should be left unchanged |
| * |
| * @deprecated Do not set audio routing directly, use setSpeakerphoneOn(), |
| * setBluetoothScoOn() methods instead. |
| */ |
| @Deprecated |
| public void setRouting(int mode, int routes, int mask) { |
| } |
| |
| /** |
| * Returns the current audio routing bit vector for a specified mode. |
| * |
| * @param mode audio mode to get route (e.g., MODE_RINGTONE) |
| * @return an audio route bit vector that can be compared with ROUTE_xxx |
| * bits |
| * @deprecated Do not query audio routing directly, use isSpeakerphoneOn(), |
| * isBluetoothScoOn(), isBluetoothA2dpOn() and isWiredHeadsetOn() methods instead. |
| */ |
| @Deprecated |
| public int getRouting(int mode) { |
| return -1; |
| } |
| |
| /** |
| * Checks whether any music is active. |
| * |
| * @return true if any music tracks are active. |
| */ |
| public boolean isMusicActive() { |
| return AudioSystem.isStreamActive(STREAM_MUSIC, 0); |
| } |
| |
| /** |
| * @hide |
| * Checks whether any music or media is actively playing on a remote device (e.g. wireless |
| * display). Note that BT audio sinks are not considered remote devices. |
| * @return true if {@link AudioManager#STREAM_MUSIC} is active on a remote device |
| */ |
| public boolean isMusicActiveRemotely() { |
| return AudioSystem.isStreamActiveRemotely(STREAM_MUSIC, 0); |
| } |
| |
| /** |
| * @hide |
| * Checks whether any local or remote media playback is active. |
| * Local playback refers to playback for instance on the device's speakers or wired headphones. |
| * Remote playback refers to playback for instance on a wireless display mirroring the |
| * devices's, or on a device using a Cast-like protocol. |
| * @return true if media playback, from which the device is aware, is active. |
| */ |
| public boolean isLocalOrRemoteMusicActive() { |
| IAudioService service = getService(); |
| try { |
| return service.isLocalOrRemoteMusicActive(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isLocalOrRemoteMusicActive()", e); |
| return false; |
| } |
| } |
| |
| /** |
| * @hide |
| * Checks whether the current audio focus is exclusive. |
| * @return true if the top of the audio focus stack requested focus |
| * with {@link #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE} |
| */ |
| public boolean isAudioFocusExclusive() { |
| IAudioService service = getService(); |
| try { |
| return service.getCurrentAudioFocus() == AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in isAudioFocusExclusive()", e); |
| return false; |
| } |
| } |
| |
| /** |
| * @hide |
| * If the stream is active locally or remotely, adjust its volume according to the enforced |
| * priority rules. |
| * Note: only AudioManager.STREAM_MUSIC is supported at the moment |
| */ |
| public void adjustLocalOrRemoteStreamVolume(int streamType, int direction) { |
| if (streamType != STREAM_MUSIC) { |
| Log.w(TAG, "adjustLocalOrRemoteStreamVolume() doesn't support stream " + streamType); |
| } |
| IAudioService service = getService(); |
| try { |
| service.adjustLocalOrRemoteStreamVolume(streamType, direction, |
| mContext.getOpPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in adjustLocalOrRemoteStreamVolume", e); |
| } |
| } |
| |
| /* |
| * Sets a generic audio configuration parameter. The use of these parameters |
| * are platform dependant, see libaudio |
| * |
| * ** Temporary interface - DO NOT USE |
| * |
| * TODO: Replace with a more generic key:value get/set mechanism |
| * |
| * param key name of parameter to set. Must not be null. |
| * param value value of parameter. Must not be null. |
| */ |
| /** |
| * @hide |
| * @deprecated Use {@link #setParameters(String)} instead |
| */ |
| @Deprecated public void setParameter(String key, String value) { |
| setParameters(key+"="+value); |
| } |
| |
| /** |
| * Sets a variable number of parameter values to audio hardware. |
| * |
| * @param keyValuePairs list of parameters key value pairs in the form: |
| * key1=value1;key2=value2;... |
| * |
| */ |
| public void setParameters(String keyValuePairs) { |
| AudioSystem.setParameters(keyValuePairs); |
| } |
| |
| /** |
| * Gets a variable number of parameter values from audio hardware. |
| * |
| * @param keys list of parameters |
| * @return list of parameters key value pairs in the form: |
| * key1=value1;key2=value2;... |
| */ |
| public String getParameters(String keys) { |
| return AudioSystem.getParameters(keys); |
| } |
| |
| /* Sound effect identifiers */ |
| /** |
| * Keyboard and direction pad click sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEY_CLICK = 0; |
| /** |
| * Focus has moved up |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_FOCUS_NAVIGATION_UP = 1; |
| /** |
| * Focus has moved down |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_FOCUS_NAVIGATION_DOWN = 2; |
| /** |
| * Focus has moved left |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_FOCUS_NAVIGATION_LEFT = 3; |
| /** |
| * Focus has moved right |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_FOCUS_NAVIGATION_RIGHT = 4; |
| /** |
| * IME standard keypress sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEYPRESS_STANDARD = 5; |
| /** |
| * IME spacebar keypress sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEYPRESS_SPACEBAR = 6; |
| /** |
| * IME delete keypress sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEYPRESS_DELETE = 7; |
| /** |
| * IME return_keypress sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEYPRESS_RETURN = 8; |
| |
| /** |
| * Invalid keypress sound |
| * @see #playSoundEffect(int) |
| */ |
| public static final int FX_KEYPRESS_INVALID = 9; |
| /** |
| * @hide Number of sound effects |
| */ |
| public static final int NUM_SOUND_EFFECTS = 10; |
| |
| /** |
| * Plays a sound effect (Key clicks, lid open/close...) |
| * @param effectType The type of sound effect. One of |
| * {@link #FX_KEY_CLICK}, |
| * {@link #FX_FOCUS_NAVIGATION_UP}, |
| * {@link #FX_FOCUS_NAVIGATION_DOWN}, |
| * {@link #FX_FOCUS_NAVIGATION_LEFT}, |
| * {@link #FX_FOCUS_NAVIGATION_RIGHT}, |
| * {@link #FX_KEYPRESS_STANDARD}, |
| * {@link #FX_KEYPRESS_SPACEBAR}, |
| * {@link #FX_KEYPRESS_DELETE}, |
| * {@link #FX_KEYPRESS_RETURN}, |
| * {@link #FX_KEYPRESS_INVALID}, |
| * NOTE: This version uses the UI settings to determine |
| * whether sounds are heard or not. |
| */ |
| public void playSoundEffect(int effectType) { |
| if (effectType < 0 || effectType >= NUM_SOUND_EFFECTS) { |
| return; |
| } |
| |
| if (!querySoundEffectsEnabled()) { |
| return; |
| } |
| |
| IAudioService service = getService(); |
| try { |
| service.playSoundEffect(effectType); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in playSoundEffect"+e); |
| } |
| } |
| |
| /** |
| * Plays a sound effect (Key clicks, lid open/close...) |
| * @param effectType The type of sound effect. One of |
| * {@link #FX_KEY_CLICK}, |
| * {@link #FX_FOCUS_NAVIGATION_UP}, |
| * {@link #FX_FOCUS_NAVIGATION_DOWN}, |
| * {@link #FX_FOCUS_NAVIGATION_LEFT}, |
| * {@link #FX_FOCUS_NAVIGATION_RIGHT}, |
| * {@link #FX_KEYPRESS_STANDARD}, |
| * {@link #FX_KEYPRESS_SPACEBAR}, |
| * {@link #FX_KEYPRESS_DELETE}, |
| * {@link #FX_KEYPRESS_RETURN}, |
| * {@link #FX_KEYPRESS_INVALID}, |
| * @param volume Sound effect volume. |
| * The volume value is a raw scalar so UI controls should be scaled logarithmically. |
| * If a volume of -1 is specified, the AudioManager.STREAM_MUSIC stream volume minus 3dB will be used. |
| * NOTE: This version is for applications that have their own |
| * settings panel for enabling and controlling volume. |
| */ |
| public void playSoundEffect(int effectType, float volume) { |
| if (effectType < 0 || effectType >= NUM_SOUND_EFFECTS) { |
| return; |
| } |
| |
| IAudioService service = getService(); |
| try { |
| service.playSoundEffectVolume(effectType, volume); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in playSoundEffect"+e); |
| } |
| } |
| |
| /** |
| * Settings has an in memory cache, so this is fast. |
| */ |
| private boolean querySoundEffectsEnabled() { |
| return Settings.System.getInt(mContext.getContentResolver(), Settings.System.SOUND_EFFECTS_ENABLED, 0) != 0; |
| } |
| |
| |
| /** |
| * Load Sound effects. |
| * This method must be called when sound effects are enabled. |
| */ |
| public void loadSoundEffects() { |
| IAudioService service = getService(); |
| try { |
| service.loadSoundEffects(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in loadSoundEffects"+e); |
| } |
| } |
| |
| /** |
| * Unload Sound effects. |
| * This method can be called to free some memory when |
| * sound effects are disabled. |
| */ |
| public void unloadSoundEffects() { |
| IAudioService service = getService(); |
| try { |
| service.unloadSoundEffects(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unloadSoundEffects"+e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Used to indicate no audio focus has been gained or lost. |
| */ |
| public static final int AUDIOFOCUS_NONE = 0; |
| |
| /** |
| * Used to indicate a gain of audio focus, or a request of audio focus, of unknown duration. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) |
| */ |
| public static final int AUDIOFOCUS_GAIN = 1; |
| /** |
| * Used to indicate a temporary gain or request of audio focus, anticipated to last a short |
| * amount of time. Examples of temporary changes are the playback of driving directions, or an |
| * event notification. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) |
| */ |
| public static final int AUDIOFOCUS_GAIN_TRANSIENT = 2; |
| /** |
| * Used to indicate a temporary request of audio focus, anticipated to last a short |
| * amount of time, and where it is acceptable for other audio applications to keep playing |
| * after having lowered their output level (also referred to as "ducking"). |
| * Examples of temporary changes are the playback of driving directions where playback of music |
| * in the background is acceptable. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) |
| */ |
| public static final int AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK = 3; |
| /** |
| * Used to indicate a temporary request of audio focus, anticipated to last a short |
| * amount of time, during which no other applications, or system components, should play |
| * anything. Examples of exclusive and transient audio focus requests are voice |
| * memo recording and speech recognition, during which the system shouldn't play any |
| * notifications, and media playback should have paused. |
| * @see #requestAudioFocus(OnAudioFocusChangeListener, int, int) |
| */ |
| public static final int AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE = 4; |
| /** |
| * Used to indicate a loss of audio focus of unknown duration. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| */ |
| public static final int AUDIOFOCUS_LOSS = -1 * AUDIOFOCUS_GAIN; |
| /** |
| * Used to indicate a transient loss of audio focus. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| */ |
| public static final int AUDIOFOCUS_LOSS_TRANSIENT = -1 * AUDIOFOCUS_GAIN_TRANSIENT; |
| /** |
| * Used to indicate a transient loss of audio focus where the loser of the audio focus can |
| * lower its output volume if it wants to continue playing (also referred to as "ducking"), as |
| * the new focus owner doesn't require others to be silent. |
| * @see OnAudioFocusChangeListener#onAudioFocusChange(int) |
| */ |
| public static final int AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK = |
| -1 * AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK; |
| |
| /** |
| * Interface definition for a callback to be invoked when the audio focus of the system is |
| * updated. |
| */ |
| public interface OnAudioFocusChangeListener { |
| /** |
| * Called on the listener to notify it the audio focus for this listener has been changed. |
| * The focusChange value indicates whether the focus was gained, |
| * whether the focus was lost, and whether that loss is transient, or whether the new focus |
| * holder will hold it for an unknown amount of time. |
| * When losing focus, listeners can use the focus change information to decide what |
| * behavior to adopt when losing focus. A music player could for instance elect to lower |
| * the volume of its music stream (duck) for transient focus losses, and pause otherwise. |
| * @param focusChange the type of focus change, one of {@link AudioManager#AUDIOFOCUS_GAIN}, |
| * {@link AudioManager#AUDIOFOCUS_LOSS}, {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT} |
| * and {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK}. |
| */ |
| public void onAudioFocusChange(int focusChange); |
| } |
| |
| /** |
| * Map to convert focus event listener IDs, as used in the AudioService audio focus stack, |
| * to actual listener objects. |
| */ |
| private final HashMap<String, OnAudioFocusChangeListener> mAudioFocusIdListenerMap = |
| new HashMap<String, OnAudioFocusChangeListener>(); |
| /** |
| * Lock to prevent concurrent changes to the list of focus listeners for this AudioManager |
| * instance. |
| */ |
| private final Object mFocusListenerLock = new Object(); |
| |
| private OnAudioFocusChangeListener findFocusListener(String id) { |
| return mAudioFocusIdListenerMap.get(id); |
| } |
| |
| /** |
| * Handler for audio focus events coming from the audio service. |
| */ |
| private final FocusEventHandlerDelegate mAudioFocusEventHandlerDelegate = |
| new FocusEventHandlerDelegate(); |
| |
| /** |
| * Helper class to handle the forwarding of audio focus events to the appropriate listener |
| */ |
| private class FocusEventHandlerDelegate { |
| private final Handler mHandler; |
| |
| FocusEventHandlerDelegate() { |
| Looper looper; |
| if ((looper = Looper.myLooper()) == null) { |
| looper = Looper.getMainLooper(); |
| } |
| |
| if (looper != null) { |
| // implement the event handler delegate to receive audio focus events |
| mHandler = new Handler(looper) { |
| @Override |
| public void handleMessage(Message msg) { |
| OnAudioFocusChangeListener listener = null; |
| synchronized(mFocusListenerLock) { |
| listener = findFocusListener((String)msg.obj); |
| } |
| if (listener != null) { |
| listener.onAudioFocusChange(msg.what); |
| } |
| } |
| }; |
| } else { |
| mHandler = null; |
| } |
| } |
| |
| Handler getHandler() { |
| return mHandler; |
| } |
| } |
| |
| private final IAudioFocusDispatcher mAudioFocusDispatcher = new IAudioFocusDispatcher.Stub() { |
| |
| public void dispatchAudioFocusChange(int focusChange, String id) { |
| Message m = mAudioFocusEventHandlerDelegate.getHandler().obtainMessage(focusChange, id); |
| mAudioFocusEventHandlerDelegate.getHandler().sendMessage(m); |
| } |
| |
| }; |
| |
| private String getIdForAudioFocusListener(OnAudioFocusChangeListener l) { |
| if (l == null) { |
| return new String(this.toString()); |
| } else { |
| return new String(this.toString() + l.toString()); |
| } |
| } |
| |
| /** |
| * @hide |
| * Registers a listener to be called when audio focus changes. Calling this method is optional |
| * before calling {@link #requestAudioFocus(OnAudioFocusChangeListener, int, int)}, as it |
| * will register the listener as well if it wasn't registered already. |
| * @param l the listener to be notified of audio focus changes. |
| */ |
| public void registerAudioFocusListener(OnAudioFocusChangeListener l) { |
| synchronized(mFocusListenerLock) { |
| if (mAudioFocusIdListenerMap.containsKey(getIdForAudioFocusListener(l))) { |
| return; |
| } |
| mAudioFocusIdListenerMap.put(getIdForAudioFocusListener(l), l); |
| } |
| } |
| |
| /** |
| * @hide |
| * Causes the specified listener to not be called anymore when focus is gained or lost. |
| * @param l the listener to unregister. |
| */ |
| public void unregisterAudioFocusListener(OnAudioFocusChangeListener l) { |
| |
| // remove locally |
| synchronized(mFocusListenerLock) { |
| mAudioFocusIdListenerMap.remove(getIdForAudioFocusListener(l)); |
| } |
| } |
| |
| |
| /** |
| * A failed focus change request. |
| */ |
| public static final int AUDIOFOCUS_REQUEST_FAILED = 0; |
| /** |
| * A successful focus change request. |
| */ |
| public static final int AUDIOFOCUS_REQUEST_GRANTED = 1; |
| |
| |
| /** |
| * Request audio focus. |
| * Send a request to obtain the audio focus |
| * @param l the listener to be notified of audio focus changes |
| * @param streamType the main audio stream type affected by the focus request |
| * @param durationHint use {@link #AUDIOFOCUS_GAIN_TRANSIENT} to indicate this focus request |
| * is temporary, and focus will be abandonned shortly. Examples of transient requests are |
| * for the playback of driving directions, or notifications sounds. |
| * Use {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} to indicate also that it's ok for |
| * the previous focus owner to keep playing if it ducks its audio output. |
| * Alternatively use {@link #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE} for a temporary request |
| * that benefits from the system not playing disruptive sounds like notifications, for |
| * usecases such as voice memo recording, or speech recognition. |
| * Use {@link #AUDIOFOCUS_GAIN} for a focus request of unknown duration such |
| * as the playback of a song or a video. |
| * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED} |
| */ |
| public int requestAudioFocus(OnAudioFocusChangeListener l, int streamType, int durationHint) { |
| int status = AUDIOFOCUS_REQUEST_FAILED; |
| if ((durationHint < AUDIOFOCUS_GAIN) || |
| (durationHint > AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE)) { |
| Log.e(TAG, "Invalid duration hint, audio focus request denied"); |
| return status; |
| } |
| registerAudioFocusListener(l); |
| //TODO protect request by permission check? |
| IAudioService service = getService(); |
| try { |
| status = service.requestAudioFocus(streamType, durationHint, mICallBack, |
| mAudioFocusDispatcher, getIdForAudioFocusListener(l), |
| mContext.getOpPackageName() /* package name */); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call requestAudioFocus() on AudioService due to "+e); |
| } |
| return status; |
| } |
| |
| /** |
| * @hide |
| * Used internally by telephony package to request audio focus. Will cause the focus request |
| * to be associated with the "voice communication" identifier only used in AudioService |
| * to identify this use case. |
| * @param streamType use STREAM_RING for focus requests when ringing, VOICE_CALL for |
| * the establishment of the call |
| * @param durationHint the type of focus request. AUDIOFOCUS_GAIN_TRANSIENT is recommended so |
| * media applications resume after a call |
| */ |
| public void requestAudioFocusForCall(int streamType, int durationHint) { |
| IAudioService service = getService(); |
| try { |
| service.requestAudioFocus(streamType, durationHint, mICallBack, null, |
| MediaFocusControl.IN_VOICE_COMM_FOCUS_ID, |
| mContext.getOpPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call requestAudioFocusForCall() on AudioService due to "+e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Used internally by telephony package to abandon audio focus, typically after a call or |
| * when ringing ends and the call is rejected or not answered. |
| * Should match one or more calls to {@link #requestAudioFocusForCall(int, int)}. |
| */ |
| public void abandonAudioFocusForCall() { |
| IAudioService service = getService(); |
| try { |
| service.abandonAudioFocus(null, MediaFocusControl.IN_VOICE_COMM_FOCUS_ID); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call abandonAudioFocusForCall() on AudioService due to "+e); |
| } |
| } |
| |
| /** |
| * Abandon audio focus. Causes the previous focus owner, if any, to receive focus. |
| * @param l the listener with which focus was requested. |
| * @return {@link #AUDIOFOCUS_REQUEST_FAILED} or {@link #AUDIOFOCUS_REQUEST_GRANTED} |
| */ |
| public int abandonAudioFocus(OnAudioFocusChangeListener l) { |
| int status = AUDIOFOCUS_REQUEST_FAILED; |
| unregisterAudioFocusListener(l); |
| IAudioService service = getService(); |
| try { |
| status = service.abandonAudioFocus(mAudioFocusDispatcher, |
| getIdForAudioFocusListener(l)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't call abandonAudioFocus() on AudioService due to "+e); |
| } |
| return status; |
| } |
| |
| |
| //==================================================================== |
| // Remote Control |
| /** |
| * Register a component to be the sole receiver of MEDIA_BUTTON intents. |
| * @param eventReceiver identifier of a {@link android.content.BroadcastReceiver} |
| * that will receive the media button intent. This broadcast receiver must be declared |
| * in the application manifest. The package of the component must match that of |
| * the context you're registering from. |
| */ |
| public void registerMediaButtonEventReceiver(ComponentName eventReceiver) { |
| if (eventReceiver == null) { |
| return; |
| } |
| if (!eventReceiver.getPackageName().equals(mContext.getPackageName())) { |
| Log.e(TAG, "registerMediaButtonEventReceiver() error: " + |
| "receiver and context package names don't match"); |
| return; |
| } |
| // construct a PendingIntent for the media button and register it |
| Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| // the associated intent will be handled by the component being registered |
| mediaButtonIntent.setComponent(eventReceiver); |
| PendingIntent pi = PendingIntent.getBroadcast(mContext, |
| 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); |
| registerMediaButtonIntent(pi, eventReceiver); |
| } |
| |
| /** |
| * Register a component to be the sole receiver of MEDIA_BUTTON intents. This is like |
| * {@link #registerMediaButtonEventReceiver(android.content.ComponentName)}, but allows |
| * the buttons to go to any PendingIntent. Note that you should only use this form if |
| * you know you will continue running for the full time until unregistering the |
| * PendingIntent. |
| * @param eventReceiver target that will receive media button intents. The PendingIntent |
| * will be sent as-is when a media button action occurs, with {@link Intent#EXTRA_KEY_EVENT} |
| * added and holding the key code of the media button that was pressed. |
| */ |
| public void registerMediaButtonEventReceiver(PendingIntent eventReceiver) { |
| if (eventReceiver == null) { |
| return; |
| } |
| registerMediaButtonIntent(eventReceiver, null); |
| } |
| |
| /** |
| * @hide |
| * no-op if (pi == null) or (eventReceiver == null) |
| */ |
| public void registerMediaButtonIntent(PendingIntent pi, ComponentName eventReceiver) { |
| if (pi == null) { |
| Log.e(TAG, "Cannot call registerMediaButtonIntent() with a null parameter"); |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| // pi != null |
| service.registerMediaButtonIntent(pi, eventReceiver, |
| eventReceiver == null ? mToken : null); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in registerMediaButtonIntent"+e); |
| } |
| if (USE_SESSIONS) { |
| MediaSessionLegacyHelper helper = MediaSessionLegacyHelper.getHelper(mContext); |
| helper.addMediaButtonListener(pi, mContext); |
| } |
| } |
| |
| /** |
| * @hide |
| * Used internally by telephony package to register an intent receiver for ACTION_MEDIA_BUTTON. |
| * @param eventReceiver the component that will receive the media button key events, |
| * no-op if eventReceiver is null |
| */ |
| public void registerMediaButtonEventReceiverForCalls(ComponentName eventReceiver) { |
| if (eventReceiver == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| // eventReceiver != null |
| service.registerMediaButtonEventReceiverForCalls(eventReceiver); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in registerMediaButtonEventReceiverForCalls", e); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void unregisterMediaButtonEventReceiverForCalls() { |
| IAudioService service = getService(); |
| try { |
| service.unregisterMediaButtonEventReceiverForCalls(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unregisterMediaButtonEventReceiverForCalls", e); |
| } |
| } |
| |
| /** |
| * Unregister the receiver of MEDIA_BUTTON intents. |
| * @param eventReceiver identifier of a {@link android.content.BroadcastReceiver} |
| * that was registered with {@link #registerMediaButtonEventReceiver(ComponentName)}. |
| */ |
| public void unregisterMediaButtonEventReceiver(ComponentName eventReceiver) { |
| if (eventReceiver == null) { |
| return; |
| } |
| // construct a PendingIntent for the media button and unregister it |
| Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON); |
| // the associated intent will be handled by the component being registered |
| mediaButtonIntent.setComponent(eventReceiver); |
| PendingIntent pi = PendingIntent.getBroadcast(mContext, |
| 0/*requestCode, ignored*/, mediaButtonIntent, 0/*flags*/); |
| unregisterMediaButtonIntent(pi); |
| } |
| |
| /** |
| * Unregister the receiver of MEDIA_BUTTON intents. |
| * @param eventReceiver same PendingIntent that was registed with |
| * {@link #registerMediaButtonEventReceiver(PendingIntent)}. |
| */ |
| public void unregisterMediaButtonEventReceiver(PendingIntent eventReceiver) { |
| if (eventReceiver == null) { |
| return; |
| } |
| unregisterMediaButtonIntent(eventReceiver); |
| } |
| |
| /** |
| * @hide |
| */ |
| public void unregisterMediaButtonIntent(PendingIntent pi) { |
| IAudioService service = getService(); |
| try { |
| service.unregisterMediaButtonIntent(pi); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unregisterMediaButtonIntent"+e); |
| } |
| if (USE_SESSIONS) { |
| MediaSessionLegacyHelper helper = MediaSessionLegacyHelper.getHelper(mContext); |
| helper.removeMediaButtonListener(pi); |
| } |
| } |
| |
| /** |
| * Registers the remote control client for providing information to display on the remote |
| * controls. |
| * @param rcClient The remote control client from which remote controls will receive |
| * information to display. |
| * @see RemoteControlClient |
| */ |
| public void registerRemoteControlClient(RemoteControlClient rcClient) { |
| if ((rcClient == null) || (rcClient.getRcMediaIntent() == null)) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| int rcseId = service.registerRemoteControlClient( |
| rcClient.getRcMediaIntent(), /* mediaIntent */ |
| rcClient.getIRemoteControlClient(),/* rcClient */ |
| // used to match media button event receiver and audio focus |
| mContext.getPackageName()); /* packageName */ |
| rcClient.setRcseId(rcseId); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in registerRemoteControlClient"+e); |
| } |
| if (USE_SESSIONS) { |
| rcClient.registerWithSession(MediaSessionLegacyHelper.getHelper(mContext)); |
| } |
| } |
| |
| /** |
| * Unregisters the remote control client that was providing information to display on the |
| * remote controls. |
| * @param rcClient The remote control client to unregister. |
| * @see #registerRemoteControlClient(RemoteControlClient) |
| */ |
| public void unregisterRemoteControlClient(RemoteControlClient rcClient) { |
| if ((rcClient == null) || (rcClient.getRcMediaIntent() == null)) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.unregisterRemoteControlClient(rcClient.getRcMediaIntent(), /* mediaIntent */ |
| rcClient.getIRemoteControlClient()); /* rcClient */ |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unregisterRemoteControlClient"+e); |
| } |
| if (USE_SESSIONS) { |
| rcClient.unregisterWithSession(MediaSessionLegacyHelper.getHelper(mContext)); |
| } |
| } |
| |
| /** |
| * Registers a {@link RemoteController} instance for it to receive media metadata updates |
| * and playback state information from applications using {@link RemoteControlClient}, and |
| * control their playback. |
| * <p>Registration requires the {@link OnClientUpdateListener} listener to be one of the |
| * enabled notification listeners (see |
| * {@link android.service.notification.NotificationListenerService}). |
| * @param rctlr the object to register. |
| * @return true if the {@link RemoteController} was successfully registered, false if an |
| * error occurred, due to an internal system error, or insufficient permissions. |
| */ |
| public boolean registerRemoteController(RemoteController rctlr) { |
| if (rctlr == null) { |
| return false; |
| } |
| IAudioService service = getService(); |
| final RemoteController.OnClientUpdateListener l = rctlr.getUpdateListener(); |
| final ComponentName listenerComponent = new ComponentName(mContext, l.getClass()); |
| try { |
| int[] artworkDimensions = rctlr.getArtworkSize(); |
| boolean reg = service.registerRemoteController(rctlr.getRcDisplay(), |
| artworkDimensions[0]/*w*/, artworkDimensions[1]/*h*/, |
| listenerComponent); |
| rctlr.setIsRegistered(reg); |
| return reg; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in registerRemoteController " + e); |
| return false; |
| } |
| } |
| |
| /** |
| * Unregisters a {@link RemoteController}, causing it to no longer receive media metadata and |
| * playback state information, and no longer be capable of controlling playback. |
| * @param rctlr the object to unregister. |
| */ |
| public void unregisterRemoteController(RemoteController rctlr) { |
| if (rctlr == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.unregisterRemoteControlDisplay(rctlr.getRcDisplay()); |
| rctlr.setIsRegistered(false); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unregisterRemoteControlDisplay " + e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Registers a remote control display that will be sent information by remote control clients. |
| * Use this method if your IRemoteControlDisplay is not going to display artwork, otherwise |
| * use {@link #registerRemoteControlDisplay(IRemoteControlDisplay, int, int)} to pass the |
| * artwork size directly, or |
| * {@link #remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay, int, int)} later if artwork |
| * is not yet needed. |
| * <p>Registration requires the {@link Manifest.permission#MEDIA_CONTENT_CONTROL} permission. |
| * @param rcd the IRemoteControlDisplay |
| */ |
| public void registerRemoteControlDisplay(IRemoteControlDisplay rcd) { |
| // passing a negative value for art work width and height as they are unknown at this stage |
| registerRemoteControlDisplay(rcd, /*w*/-1, /*h*/ -1); |
| } |
| |
| /** |
| * @hide |
| * Registers a remote control display that will be sent information by remote control clients. |
| * <p>Registration requires the {@link Manifest.permission#MEDIA_CONTENT_CONTROL} permission. |
| * @param rcd |
| * @param w the maximum width of the expected bitmap. Negative values indicate it is |
| * useless to send artwork. |
| * @param h the maximum height of the expected bitmap. Negative values indicate it is |
| * useless to send artwork. |
| */ |
| public void registerRemoteControlDisplay(IRemoteControlDisplay rcd, int w, int h) { |
| if (rcd == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.registerRemoteControlDisplay(rcd, w, h); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in registerRemoteControlDisplay " + e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Unregisters a remote control display that was sent information by remote control clients. |
| * @param rcd |
| */ |
| public void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { |
| if (rcd == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.unregisterRemoteControlDisplay(rcd); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in unregisterRemoteControlDisplay " + e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Sets the artwork size a remote control display expects when receiving bitmaps. |
| * @param rcd |
| * @param w the maximum width of the expected bitmap. Negative values indicate it is |
| * useless to send artwork. |
| * @param h the maximum height of the expected bitmap. Negative values indicate it is |
| * useless to send artwork. |
| */ |
| public void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { |
| if (rcd == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.remoteControlDisplayUsesBitmapSize(rcd, w, h); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in remoteControlDisplayUsesBitmapSize " + e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Controls whether a remote control display needs periodic checks of the RemoteControlClient |
| * playback position to verify that the estimated position has not drifted from the actual |
| * position. By default the check is not performed. |
| * The IRemoteControlDisplay must have been previously registered for this to have any effect. |
| * @param rcd the IRemoteControlDisplay for which the anti-drift mechanism will be enabled |
| * or disabled. No effect is null. |
| * @param wantsSync if true, RemoteControlClient instances which expose their playback position |
| * to the framework will regularly compare the estimated playback position with the actual |
| * position, and will update the IRemoteControlDisplay implementation whenever a drift is |
| * detected. |
| */ |
| public void remoteControlDisplayWantsPlaybackPositionSync(IRemoteControlDisplay rcd, |
| boolean wantsSync) { |
| if (rcd == null) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.remoteControlDisplayWantsPlaybackPositionSync(rcd, wantsSync); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in remoteControlDisplayWantsPlaybackPositionSync " + e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Request the user of a RemoteControlClient to seek to the given playback position. |
| * @param generationId the RemoteControlClient generation counter for which this request is |
| * issued. Requests for an older generation than current one will be ignored. |
| * @param timeMs the time in ms to seek to, must be positive. |
| */ |
| public void setRemoteControlClientPlaybackPosition(int generationId, long timeMs) { |
| if (timeMs < 0) { |
| return; |
| } |
| IAudioService service = getService(); |
| try { |
| service.setRemoteControlClientPlaybackPosition(generationId, timeMs); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setRccPlaybackPosition("+ generationId + ", " |
| + timeMs + ")", e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Notify the user of a RemoteControlClient that it should update its metadata with the |
| * new value for the given key. |
| * @param generationId the RemoteControlClient generation counter for which this request is |
| * issued. Requests for an older generation than current one will be ignored. |
| * @param key the metadata key for which a new value exists |
| * @param value the new metadata value |
| */ |
| public void updateRemoteControlClientMetadata(int generationId, int key, |
| Rating value) { |
| IAudioService service = getService(); |
| try { |
| service.updateRemoteControlClientMetadata(generationId, key, value); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in updateRemoteControlClientMetadata("+ generationId + ", " |
| + key +", " + value + ")", e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Reload audio settings. This method is called by Settings backup |
| * agent when audio settings are restored and causes the AudioService |
| * to read and apply restored settings. |
| */ |
| public void reloadAudioSettings() { |
| IAudioService service = getService(); |
| try { |
| service.reloadAudioSettings(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in reloadAudioSettings"+e); |
| } |
| } |
| |
| /** |
| * @hide |
| * Notifies AudioService that it is connected to an A2DP device that supports absolute volume, |
| * so that AudioService can send volume change events to the A2DP device, rather than handling |
| * them. |
| */ |
| public void avrcpSupportsAbsoluteVolume(String address, boolean support) { |
| IAudioService service = getService(); |
| try { |
| service.avrcpSupportsAbsoluteVolume(address, support); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in avrcpSupportsAbsoluteVolume", e); |
| } |
| } |
| |
| /** |
| * {@hide} |
| */ |
| private final IBinder mICallBack = new Binder(); |
| |
| /** |
| * Checks whether the phone is in silent mode, with or without vibrate. |
| * |
| * @return true if phone is in silent mode, with or without vibrate. |
| * |
| * @see #getRingerMode() |
| * |
| * @hide pending API Council approval |
| */ |
| public boolean isSilentMode() { |
| int ringerMode = getRingerMode(); |
| boolean silentMode = |
| (ringerMode == RINGER_MODE_SILENT) || |
| (ringerMode == RINGER_MODE_VIBRATE); |
| return silentMode; |
| } |
| |
| // This section re-defines new output device constants from AudioSystem, because the AudioSystem |
| // class is not used by other parts of the framework, which instead use definitions and methods |
| // from AudioManager. AudioSystem is an internal class used by AudioManager and AudioService. |
| |
| /** @hide |
| * The audio output device code for the small speaker at the front of the device used |
| * when placing calls. Does not refer to an in-ear headphone without attached microphone, |
| * such as earbuds, earphones, or in-ear monitors (IEM). Those would be handled as a |
| * {@link #DEVICE_OUT_WIRED_HEADPHONE}. |
| */ |
| public static final int DEVICE_OUT_EARPIECE = AudioSystem.DEVICE_OUT_EARPIECE; |
| /** @hide |
| * The audio output device code for the built-in speaker */ |
| public static final int DEVICE_OUT_SPEAKER = AudioSystem.DEVICE_OUT_SPEAKER; |
| /** @hide |
| * The audio output device code for a wired headset with attached microphone */ |
| public static final int DEVICE_OUT_WIRED_HEADSET = AudioSystem.DEVICE_OUT_WIRED_HEADSET; |
| /** @hide |
| * The audio output device code for a wired headphone without attached microphone */ |
| public static final int DEVICE_OUT_WIRED_HEADPHONE = AudioSystem.DEVICE_OUT_WIRED_HEADPHONE; |
| /** @hide |
| * The audio output device code for generic Bluetooth SCO, for voice */ |
| public static final int DEVICE_OUT_BLUETOOTH_SCO = AudioSystem.DEVICE_OUT_BLUETOOTH_SCO; |
| /** @hide |
| * The audio output device code for Bluetooth SCO Headset Profile (HSP) and |
| * Hands-Free Profile (HFP), for voice |
| */ |
| public static final int DEVICE_OUT_BLUETOOTH_SCO_HEADSET = |
| AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET; |
| /** @hide |
| * The audio output device code for Bluetooth SCO car audio, for voice */ |
| public static final int DEVICE_OUT_BLUETOOTH_SCO_CARKIT = |
| AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT; |
| /** @hide |
| * The audio output device code for generic Bluetooth A2DP, for music */ |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP = AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP; |
| /** @hide |
| * The audio output device code for Bluetooth A2DP headphones, for music */ |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = |
| AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; |
| /** @hide |
| * The audio output device code for Bluetooth A2DP external speaker, for music */ |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = |
| AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; |
| /** @hide |
| * The audio output device code for S/PDIF (legacy) or HDMI |
| * Deprecated: replaced by {@link #DEVICE_OUT_HDMI} */ |
| public static final int DEVICE_OUT_AUX_DIGITAL = AudioSystem.DEVICE_OUT_AUX_DIGITAL; |
| /** @hide |
| * The audio output device code for HDMI */ |
| public static final int DEVICE_OUT_HDMI = AudioSystem.DEVICE_OUT_HDMI; |
| /** @hide |
| * The audio output device code for an analog wired headset attached via a |
| * docking station |
| */ |
| public static final int DEVICE_OUT_ANLG_DOCK_HEADSET = AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET; |
| /** @hide |
| * The audio output device code for a digital wired headset attached via a |
| * docking station |
| */ |
| public static final int DEVICE_OUT_DGTL_DOCK_HEADSET = AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET; |
| /** @hide |
| * The audio output device code for a USB audio accessory. The accessory is in USB host |
| * mode and the Android device in USB device mode |
| */ |
| public static final int DEVICE_OUT_USB_ACCESSORY = AudioSystem.DEVICE_OUT_USB_ACCESSORY; |
| /** @hide |
| * The audio output device code for a USB audio device. The device is in USB device |
| * mode and the Android device in USB host mode |
| */ |
| public static final int DEVICE_OUT_USB_DEVICE = AudioSystem.DEVICE_OUT_USB_DEVICE; |
| /** @hide |
| * The audio output device code for projection output. |
| */ |
| public static final int DEVICE_OUT_REMOTE_SUBMIX = AudioSystem.DEVICE_OUT_REMOTE_SUBMIX; |
| /** @hide |
| * The audio output device code the telephony voice TX path. |
| */ |
| public static final int DEVICE_OUT_TELEPHONY_TX = AudioSystem.DEVICE_OUT_TELEPHONY_TX; |
| /** @hide |
| * The audio output device code for an analog jack with line impedance detected. |
| */ |
| public static final int DEVICE_OUT_LINE = AudioSystem.DEVICE_OUT_LINE; |
| /** @hide |
| * The audio output device code for HDMI Audio Return Channel. |
| */ |
| public static final int DEVICE_OUT_HDMI_ARC = AudioSystem.DEVICE_OUT_HDMI_ARC; |
| /** @hide |
| * The audio output device code for S/PDIF digital connection. |
| */ |
| public static final int DEVICE_OUT_SPDIF = AudioSystem.DEVICE_OUT_SPDIF; |
| /** @hide |
| * The audio output device code for built-in FM transmitter. |
| */ |
| public static final int DEVICE_OUT_FM = AudioSystem.DEVICE_OUT_FM; |
| /** @hide |
| * This is not used as a returned value from {@link #getDevicesForStream}, but could be |
| * used in the future in a set method to select whatever default device is chosen by the |
| * platform-specific implementation. |
| */ |
| public static final int DEVICE_OUT_DEFAULT = AudioSystem.DEVICE_OUT_DEFAULT; |
| |
| /** @hide |
| * The audio input device code for default built-in microphone |
| */ |
| public static final int DEVICE_IN_BUILTIN_MIC = AudioSystem.DEVICE_IN_BUILTIN_MIC; |
| /** @hide |
| * The audio input device code for a Bluetooth SCO headset |
| */ |
| public static final int DEVICE_IN_BLUETOOTH_SCO_HEADSET = |
| AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| /** @hide |
| * The audio input device code for wired headset microphone |
| */ |
| public static final int DEVICE_IN_WIRED_HEADSET = |
| AudioSystem.DEVICE_IN_WIRED_HEADSET; |
| /** @hide |
| * The audio input device code for HDMI |
| */ |
| public static final int DEVICE_IN_HDMI = |
| AudioSystem.DEVICE_IN_HDMI; |
| /** @hide |
| * The audio input device code for telephony voice RX path |
| */ |
| public static final int DEVICE_IN_TELEPHONY_RX = |
| AudioSystem.DEVICE_IN_TELEPHONY_RX; |
| /** @hide |
| * The audio input device code for built-in microphone pointing to the back |
| */ |
| public static final int DEVICE_IN_BACK_MIC = |
| AudioSystem.DEVICE_IN_BACK_MIC; |
| /** @hide |
| * The audio input device code for analog from a docking station |
| */ |
| public static final int DEVICE_IN_ANLG_DOCK_HEADSET = |
| AudioSystem.DEVICE_IN_ANLG_DOCK_HEADSET; |
| /** @hide |
| * The audio input device code for digital from a docking station |
| */ |
| public static final int DEVICE_IN_DGTL_DOCK_HEADSET = |
| AudioSystem.DEVICE_IN_DGTL_DOCK_HEADSET; |
| /** @hide |
| * The audio input device code for a USB audio accessory. The accessory is in USB host |
| * mode and the Android device in USB device mode |
| */ |
| public static final int DEVICE_IN_USB_ACCESSORY = |
| AudioSystem.DEVICE_IN_USB_ACCESSORY; |
| /** @hide |
| * The audio input device code for a USB audio device. The device is in USB device |
| * mode and the Android device in USB host mode |
| */ |
| public static final int DEVICE_IN_USB_DEVICE = |
| AudioSystem.DEVICE_IN_USB_DEVICE; |
| /** @hide |
| * The audio input device code for a FM radio tuner |
| */ |
| public static final int DEVICE_IN_FM_TUNER = AudioSystem.DEVICE_IN_FM_TUNER; |
| /** @hide |
| * The audio input device code for a TV tuner |
| */ |
| public static final int DEVICE_IN_TV_TUNER = AudioSystem.DEVICE_IN_TV_TUNER; |
| /** @hide |
| * The audio input device code for an analog jack with line impedance detected |
| */ |
| public static final int DEVICE_IN_LINE = AudioSystem.DEVICE_IN_LINE; |
| /** @hide |
| * The audio input device code for a S/PDIF digital connection |
| */ |
| public static final int DEVICE_IN_SPDIF = AudioSystem.DEVICE_IN_SPDIF; |
| |
| /** |
| * Return true if the device code corresponds to an output device. |
| * @hide |
| */ |
| public static boolean isOutputDevice(int device) |
| { |
| return (device & AudioSystem.DEVICE_BIT_IN) == 0; |
| } |
| |
| /** |
| * Return true if the device code corresponds to an input device. |
| * @hide |
| */ |
| public static boolean isInputDevice(int device) |
| { |
| return (device & AudioSystem.DEVICE_BIT_IN) == AudioSystem.DEVICE_BIT_IN; |
| } |
| |
| |
| /** |
| * Return the enabled devices for the specified output stream type. |
| * |
| * @param streamType The stream type to query. One of |
| * {@link #STREAM_VOICE_CALL}, |
| * {@link #STREAM_SYSTEM}, |
| * {@link #STREAM_RING}, |
| * {@link #STREAM_MUSIC}, |
| * {@link #STREAM_ALARM}, |
| * {@link #STREAM_NOTIFICATION}, |
| * {@link #STREAM_DTMF}. |
| * |
| * @return The bit-mask "or" of audio output device codes for all enabled devices on this |
| * stream. Zero or more of |
| * {@link #DEVICE_OUT_EARPIECE}, |
| * {@link #DEVICE_OUT_SPEAKER}, |
| * {@link #DEVICE_OUT_WIRED_HEADSET}, |
| * {@link #DEVICE_OUT_WIRED_HEADPHONE}, |
| * {@link #DEVICE_OUT_BLUETOOTH_SCO}, |
| * {@link #DEVICE_OUT_BLUETOOTH_SCO_HEADSET}, |
| * {@link #DEVICE_OUT_BLUETOOTH_SCO_CARKIT}, |
| * {@link #DEVICE_OUT_BLUETOOTH_A2DP}, |
| * {@link #DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES}, |
| * {@link #DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER}, |
| * {@link #DEVICE_OUT_HDMI}, |
| * {@link #DEVICE_OUT_ANLG_DOCK_HEADSET}, |
| * {@link #DEVICE_OUT_DGTL_DOCK_HEADSET}. |
| * {@link #DEVICE_OUT_USB_ACCESSORY}. |
| * {@link #DEVICE_OUT_USB_DEVICE}. |
| * {@link #DEVICE_OUT_REMOTE_SUBMIX}. |
| * {@link #DEVICE_OUT_TELEPHONY_TX}. |
| * {@link #DEVICE_OUT_LINE}. |
| * {@link #DEVICE_OUT_HDMI_ARC}. |
| * {@link #DEVICE_OUT_SPDIF}. |
| * {@link #DEVICE_OUT_FM}. |
| * {@link #DEVICE_OUT_DEFAULT} is not used here. |
| * |
| * The implementation may support additional device codes beyond those listed, so |
| * the application should ignore any bits which it does not recognize. |
| * Note that the information may be imprecise when the implementation |
| * cannot distinguish whether a particular device is enabled. |
| * |
| * {@hide} |
| */ |
| public int getDevicesForStream(int streamType) { |
| switch (streamType) { |
| case STREAM_VOICE_CALL: |
| case STREAM_SYSTEM: |
| case STREAM_RING: |
| case STREAM_MUSIC: |
| case STREAM_ALARM: |
| case STREAM_NOTIFICATION: |
| case STREAM_DTMF: |
| return AudioSystem.getDevicesForStream(streamType); |
| default: |
| return 0; |
| } |
| } |
| |
| /** |
| * Indicate wired accessory connection state change. |
| * @param device type of device connected/disconnected (AudioManager.DEVICE_OUT_xxx) |
| * @param state new connection state: 1 connected, 0 disconnected |
| * @param name device name |
| * {@hide} |
| */ |
| public void setWiredDeviceConnectionState(int device, int state, String name) { |
| IAudioService service = getService(); |
| try { |
| service.setWiredDeviceConnectionState(device, state, name); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setWiredDeviceConnectionState "+e); |
| } |
| } |
| |
| /** |
| * Indicate A2DP source or sink connection state change. |
| * @param device Bluetooth device connected/disconnected |
| * @param state new connection state (BluetoothProfile.STATE_xxx) |
| * @param profile profile for the A2DP device |
| * (either {@link android.bluetooth.BluetoothProfile.A2DP} or |
| * {@link android.bluetooth.BluetoothProfile.A2DP_SINK}) |
| * @return a delay in ms that the caller should wait before broadcasting |
| * BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED intent. |
| * {@hide} |
| */ |
| public int setBluetoothA2dpDeviceConnectionState(BluetoothDevice device, int state, |
| int profile) { |
| IAudioService service = getService(); |
| int delay = 0; |
| try { |
| delay = service.setBluetoothA2dpDeviceConnectionState(device, state, profile); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Dead object in setBluetoothA2dpDeviceConnectionState "+e); |
| } finally { |
| return delay; |
| } |
| } |
| |
| /** {@hide} */ |
| public IRingtonePlayer getRingtonePlayer() { |
| try { |
| return getService().getRingtonePlayer(); |
| } catch (RemoteException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Used as a key for {@link #getProperty} to request the native or optimal output sample rate |
| * for this device's primary output stream, in decimal Hz. |
| */ |
| public static final String PROPERTY_OUTPUT_SAMPLE_RATE = |
| "android.media.property.OUTPUT_SAMPLE_RATE"; |
| |
| /** |
| * Used as a key for {@link #getProperty} to request the native or optimal output buffer size |
| * for this device's primary output stream, in decimal PCM frames. |
| */ |
| public static final String PROPERTY_OUTPUT_FRAMES_PER_BUFFER = |
| "android.media.property.OUTPUT_FRAMES_PER_BUFFER"; |
| |
| /** |
| * Returns the value of the property with the specified key. |
| * @param key One of the strings corresponding to a property key: either |
| * {@link #PROPERTY_OUTPUT_SAMPLE_RATE} or |
| * {@link #PROPERTY_OUTPUT_FRAMES_PER_BUFFER} |
| * @return A string representing the associated value for that property key, |
| * or null if there is no value for that key. |
| */ |
| public String getProperty(String key) { |
| if (PROPERTY_OUTPUT_SAMPLE_RATE.equals(key)) { |
| int outputSampleRate = AudioSystem.getPrimaryOutputSamplingRate(); |
| return outputSampleRate > 0 ? Integer.toString(outputSampleRate) : null; |
| } else if (PROPERTY_OUTPUT_FRAMES_PER_BUFFER.equals(key)) { |
| int outputFramesPerBuffer = AudioSystem.getPrimaryOutputFrameCount(); |
| return outputFramesPerBuffer > 0 ? Integer.toString(outputFramesPerBuffer) : null; |
| } else { |
| // null or unknown key |
| return null; |
| } |
| } |
| |
| /** |
| * Returns the estimated latency for the given stream type in milliseconds. |
| * |
| * DO NOT UNHIDE. The existing approach for doing A/V sync has too many problems. We need |
| * a better solution. |
| * @hide |
| */ |
| public int getOutputLatency(int streamType) { |
| return AudioSystem.getOutputLatency(streamType); |
| } |
| |
| /** |
| * Registers a global volume controller interface. Currently limited to SystemUI. |
| * |
| * @hide |
| */ |
| public void setVolumeController(IVolumeController controller) { |
| try { |
| getService().setVolumeController(controller); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error setting volume controller", e); |
| } |
| } |
| |
| /** |
| * Only useful for volume controllers. |
| * @hide |
| */ |
| public int getRemoteStreamVolume() { |
| try { |
| return getService().getRemoteStreamVolume(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error getting remote stream volume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Only useful for volume controllers. |
| * @hide |
| */ |
| public int getRemoteStreamMaxVolume() { |
| try { |
| return getService().getRemoteStreamMaxVolume(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error getting remote stream max volume", e); |
| return 0; |
| } |
| } |
| |
| /** |
| * Only useful for volume controllers. |
| * @hide |
| */ |
| public void setRemoteStreamVolume(int index) { |
| try { |
| getService().setRemoteStreamVolume(index); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error setting remote stream volume", e); |
| } |
| } |
| |
| /** |
| * Only useful for volume controllers. |
| * @hide |
| */ |
| public boolean isStreamAffectedByRingerMode(int streamType) { |
| try { |
| return getService().isStreamAffectedByRingerMode(streamType); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error calling isStreamAffectedByRingerMode", e); |
| return false; |
| } |
| } |
| |
| /** |
| * Only useful for volume controllers. |
| * @hide |
| */ |
| public void disableSafeMediaVolume() { |
| try { |
| getService().disableSafeMediaVolume(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "Error disabling safe media volume", e); |
| } |
| } |
| |
| /** |
| * Return codes for listAudioPorts(), createAudioPatch() ... |
| */ |
| |
| /** @hide |
| */ |
| public static final int SUCCESS = AudioSystem.SUCCESS; |
| /** @hide |
| */ |
| public static final int ERROR = AudioSystem.ERROR; |
| /** @hide |
| */ |
| public static final int ERROR_BAD_VALUE = AudioSystem.BAD_VALUE; |
| /** @hide |
| */ |
| public static final int ERROR_INVALID_OPERATION = AudioSystem.INVALID_OPERATION; |
| /** @hide |
| */ |
| public static final int ERROR_PERMISSION_DENIED = AudioSystem.PERMISSION_DENIED; |
| /** @hide |
| */ |
| public static final int ERROR_NO_INIT = AudioSystem.NO_INIT; |
| /** @hide |
| */ |
| public static final int ERROR_DEAD_OBJECT = AudioSystem.DEAD_OBJECT; |
| |
| /** |
| * Returns a list of descriptors for all audio ports managed by the audio framework. |
| * Audio ports are nodes in the audio framework or audio hardware that can be configured |
| * or connected and disconnected with createAudioPatch() or releaseAudioPatch(). |
| * See AudioPort for a list of attributes of each audio port. |
| * @param ports An AudioPort ArrayList where the list will be returned. |
| * @hide |
| */ |
| public int listAudioPorts(ArrayList<AudioPort> ports) { |
| return updateAudioPortCache(ports, null); |
| } |
| |
| /** |
| * Specialized version of listAudioPorts() listing only audio devices (AudioDevicePort) |
| * @see listAudioPorts(ArrayList<AudioPort>) |
| * @hide |
| */ |
| public int listAudioDevicePorts(ArrayList<AudioPort> devices) { |
| ArrayList<AudioPort> ports = new ArrayList<AudioPort>(); |
| int status = updateAudioPortCache(ports, null); |
| if (status == SUCCESS) { |
| devices.clear(); |
| for (int i = 0; i < ports.size(); i++) { |
| if (ports.get(i) instanceof AudioDevicePort) { |
| devices.add(ports.get(i)); |
| } |
| } |
| } |
| return status; |
| } |
| |
| /** |
| * Create a connection between two or more devices. The framework will reject the request if |
| * device types are not compatible or the implementation does not support the requested |
| * configuration. |
| * NOTE: current implementation is limited to one source and one sink per patch. |
| * @param patch AudioPatch array where the newly created patch will be returned. |
| * As input, if patch[0] is not null, the specified patch will be replaced by the |
| * new patch created. This avoids calling releaseAudioPatch() when modifying a |
| * patch and allows the implementation to optimize transitions. |
| * @param sources List of source audio ports. All must be AudioPort.ROLE_SOURCE. |
| * @param sinks List of sink audio ports. All must be AudioPort.ROLE_SINK. |
| * |
| * @return - {@link #SUCCESS} if connection is successful. |
| * - {@link #ERROR_BAD_VALUE} if incompatible device types are passed. |
| * - {@link #ERROR_INVALID_OPERATION} if the requested connection is not supported. |
| * - {@link #ERROR_PERMISSION_DENIED} if the client does not have permission to create |
| * a patch. |
| * - {@link #ERROR_DEAD_OBJECT} if the server process is dead |
| * - {@link #ERROR} if patch cannot be connected for any other reason. |
| * |
| * patch[0] contains the newly created patch |
| * @hide |
| */ |
| public int createAudioPatch(AudioPatch[] patch, |
| AudioPortConfig[] sources, |
| AudioPortConfig[] sinks) { |
| return AudioSystem.createAudioPatch(patch, sources, sinks); |
| } |
| |
| /** |
| * Releases an existing audio patch connection. |
| * @param patch The audio patch to disconnect. |
| * @return - {@link #SUCCESS} if disconnection is successful. |
| * - {@link #ERROR_BAD_VALUE} if the specified patch does not exist. |
| * - {@link #ERROR_PERMISSION_DENIED} if the client does not have permission to release |
| * a patch. |
| * - {@link #ERROR_DEAD_OBJECT} if the server process is dead |
| * - {@link #ERROR} if patch cannot be released for any other reason. |
| * @hide |
| */ |
| public int releaseAudioPatch(AudioPatch patch) { |
| return AudioSystem.releaseAudioPatch(patch); |
| } |
| |
| /** |
| * List all existing connections between audio ports. |
| * @param patches An AudioPatch array where the list will be returned. |
| * @hide |
| */ |
| public int listAudioPatches(ArrayList<AudioPatch> patches) { |
| return updateAudioPortCache(null, patches); |
| } |
| |
| /** |
| * Set the gain on the specified AudioPort. The AudioGainConfig config is build by |
| * AudioGain.buildConfig() |
| * @hide |
| */ |
| public int setAudioPortGain(AudioPort port, AudioGainConfig gain) { |
| if (port == null || gain == null) { |
| return ERROR_BAD_VALUE; |
| } |
| AudioPortConfig activeConfig = port.activeConfig(); |
| AudioPortConfig config = new AudioPortConfig(port, activeConfig.samplingRate(), |
| activeConfig.channelMask(), activeConfig.format(), gain); |
| config.mConfigMask = AudioPortConfig.GAIN; |
| return AudioSystem.setAudioPortConfig(config); |
| } |
| |
| /** |
| * Listener registered by client to be notified upon new audio port connections, |
| * disconnections or attributes update. |
| * @hide |
| */ |
| public interface OnAudioPortUpdateListener { |
| /** |
| * Callback method called upon audio port list update. |
| * @param portList the updated list of audio ports |
| */ |
| public void OnAudioPortListUpdate(AudioPort[] portList); |
| |
| /** |
| * Callback method called upon audio patch list update. |
| * @param patchList the updated list of audio patches |
| */ |
| public void OnAudioPatchListUpdate(AudioPatch[] patchList); |
| |
| /** |
| * Callback method called when the mediaserver dies |
| */ |
| public void OnServiceDied(); |
| } |
| |
| /** |
| * Register an audio port list update listener. |
| * @hide |
| */ |
| public void registerAudioPortUpdateListener(OnAudioPortUpdateListener l) { |
| mAudioPortEventHandler.registerListener(l); |
| } |
| |
| /** |
| * Unregister an audio port list update listener. |
| * @hide |
| */ |
| public void unregisterAudioPortUpdateListener(OnAudioPortUpdateListener l) { |
| mAudioPortEventHandler.unregisterListener(l); |
| } |
| |
| // |
| // AudioPort implementation |
| // |
| |
| static final int AUDIOPORT_GENERATION_INIT = 0; |
| Integer mAudioPortGeneration = new Integer(AUDIOPORT_GENERATION_INIT); |
| ArrayList<AudioPort> mAudioPortsCached = new ArrayList<AudioPort>(); |
| ArrayList<AudioPatch> mAudioPatchesCached = new ArrayList<AudioPatch>(); |
| |
| int resetAudioPortGeneration() { |
| int generation; |
| synchronized (mAudioPortGeneration) { |
| generation = mAudioPortGeneration; |
| mAudioPortGeneration = AUDIOPORT_GENERATION_INIT; |
| } |
| return generation; |
| } |
| |
| int updateAudioPortCache(ArrayList<AudioPort> ports, ArrayList<AudioPatch> patches) { |
| synchronized (mAudioPortGeneration) { |
| |
| if (mAudioPortGeneration == AUDIOPORT_GENERATION_INIT) { |
| int[] patchGeneration = new int[1]; |
| int[] portGeneration = new int[1]; |
| int status; |
| ArrayList<AudioPort> newPorts = new ArrayList<AudioPort>(); |
| ArrayList<AudioPatch> newPatches = new ArrayList<AudioPatch>(); |
| |
| do { |
| newPorts.clear(); |
| status = AudioSystem.listAudioPorts(newPorts, portGeneration); |
| if (status != SUCCESS) { |
| return status; |
| } |
| newPatches.clear(); |
| status = AudioSystem.listAudioPatches(newPatches, patchGeneration); |
| if (status != SUCCESS) { |
| return status; |
| } |
| } while (patchGeneration[0] != portGeneration[0]); |
| |
| for (int i = 0; i < newPatches.size(); i++) { |
| for (int j = 0; j < newPatches.get(i).sources().length; j++) { |
| AudioPortConfig portCfg = updatePortConfig(newPatches.get(i).sources()[j], |
| newPorts); |
| if (portCfg == null) { |
| return ERROR; |
| } |
| newPatches.get(i).sources()[j] = portCfg; |
| } |
| for (int j = 0; j < newPatches.get(i).sinks().length; j++) { |
| AudioPortConfig portCfg = updatePortConfig(newPatches.get(i).sinks()[j], |
| newPorts); |
| if (portCfg == null) { |
| return ERROR; |
| } |
| newPatches.get(i).sinks()[j] = portCfg; |
| } |
| } |
| |
| mAudioPortsCached = newPorts; |
| mAudioPatchesCached = newPatches; |
| mAudioPortGeneration = portGeneration[0]; |
| } |
| if (ports != null) { |
| ports.clear(); |
| ports.addAll(mAudioPortsCached); |
| } |
| if (patches != null) { |
| patches.clear(); |
| patches.addAll(mAudioPatchesCached); |
| } |
| } |
| return SUCCESS; |
| } |
| |
| AudioPortConfig updatePortConfig(AudioPortConfig portCfg, ArrayList<AudioPort> ports) { |
| AudioPort port = portCfg.port(); |
| int k; |
| for (k = 0; k < ports.size(); k++) { |
| // compare handles because the port returned by JNI is not of the correct |
| // subclass |
| if (ports.get(k).handle().equals(port.handle())) { |
| port = ports.get(k); |
| break; |
| } |
| } |
| if (k == ports.size()) { |
| // this hould never happen |
| Log.e(TAG, "updatePortConfig port not found for handle: "+port.handle().id()); |
| return null; |
| } |
| AudioGainConfig gainCfg = portCfg.gain(); |
| if (gainCfg != null) { |
| AudioGain gain = port.gain(gainCfg.index()); |
| gainCfg = gain.buildConfig(gainCfg.mode(), |
| gainCfg.channelMask(), |
| gainCfg.values(), |
| gainCfg.rampDurationMs()); |
| } |
| return port.buildConfig(portCfg.samplingRate(), |
| portCfg.channelMask(), |
| portCfg.format(), |
| gainCfg); |
| } |
| } |