Added in API level 1

AudioManager


open class AudioManager
kotlin.Any
   ↳ android.media.AudioManager

AudioManager provides access to volume and ringer mode control.

Summary

Nested classes
abstract

Interface for receiving update notifications about the playback activity on the system.

abstract

Interface for receiving update notifications about the recording configuration.

abstract

Interface definition for a callback to be invoked when the audio focus of the system is updated.

abstract

Listener registered by client to be notified upon communication audio device change.

abstract

Interface definition of a callback that is notified when the audio mode changes

abstract

Interface to be notified of changes in the preferred mixer attributes.

Constants
static String

Broadcast intent, a hint for applications that audio is about to become 'noisy' due to a change in audio outputs.

static String

Broadcast Action: A sticky broadcast indicating an HDMI cable was plugged or unplugged.

static String

Broadcast Action: Wired Headset plugged in or unplugged.

static String

Broadcast Action: microphone muting state changed.

static String

Sticky broadcast intent action indicating that the Bluetooth SCO audio connection state has changed.

static String

Sticky broadcast intent action indicating that the Bluetooth SCO audio connection state has been updated.

static String

Broadcast Action: speakerphone state changed.

static Int

Decrease the ringer volume.

static Int

Mute the volume.

static Int

Increase the ringer volume.

static Int

Maintain the previous ringer volume.

static Int

Toggle the mute state.

static Int

Unmute the volume.

static Int

Used to indicate a gain of audio focus, or a request of audio focus, of unknown duration.

static Int

Used to indicate a temporary gain or request of audio focus, anticipated to last a short amount of time.

static Int

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.

static Int

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").

static Int

Used to indicate a loss of audio focus of unknown duration.

static Int

Used to indicate a transient loss of audio focus.

static Int

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.

static Int

Used to indicate no audio focus has been gained or lost, or requested.

static Int

A focus change request whose granting is delayed: the request was successful, but the requester will only be granted audio focus once the condition that prevented immediate granting has ended.

static Int

A failed focus change request.

static Int

A successful focus change request.

static Int

A special audio session ID to indicate that the audio session ID isn't known and the framework should generate a new value.

static Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct playback supported.

static Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct playback not supported.

static Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct offload playback supported with gapless transitions.

static Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct offload playback supported.

static Int

The surround sound formats are ALWAYS available, even if they are not detected by the hardware.

static Int

The surround sound formats are available for use if they are detected.

static Int

Surround sound formats are available according to the choice of user, even if they are not detected by the hardware.

static Int

The surround sound formats are NEVER available, even if they are detected by the hardware.

static Int

The mode for surround sound formats is unknown.

static Int

A default error code.

static Int

An error code indicating that the object reporting it is no longer valid and needs to be recreated.

static String

Extra used in ACTION_HDMI_AUDIO_PLUG to communicate whether HDMI is plugged in or unplugged.

static String

Extra used in ACTION_HDMI_AUDIO_PLUG to define the audio encodings supported by the connected HDMI device.

static String

Extra used in ACTION_HDMI_AUDIO_PLUG to define the maximum number of channels supported by the HDMI device.

static String

The new ringer mode.

static String

Extra for intent ACTION_SCO_AUDIO_STATE_UPDATED containing the previous bluetooth SCO connection state.

static String

Extra for intent ACTION_SCO_AUDIO_STATE_CHANGED or ACTION_SCO_AUDIO_STATE_UPDATED containing the new bluetooth SCO connection state.

static String

The new vibrate setting for a particular type.

static String

The vibrate type whose setting has changed.

static Int

Whether to include ringer modes as possible options when changing volume.

static Int

Whether to play a sound when changing the volume.

static Int

Removes any sounds/vibrate that may be in the queue, or are playing (related to changing volume).

static Int

Show a toast containing the current volume.

static Int

Whether to vibrate if going into the vibrate ringer mode.

static Int

Back sound

static Int

Focus has moved down

static Int

Focus has moved left

static Int

Focus has moved right

static Int

Focus has moved up

static Int

IME delete keypress sound

static Int

Invalid keypress sound

static Int

IME return_keypress sound

static Int

IME spacebar keypress sound

static Int

IME standard keypress sound

static Int

Keyboard and direction pad click sound

static Int

Specifies to the AudioManager#getDevices(int) method to include both source and sink devices.

static Int

Specifies to the AudioManager#getDevices(int) method to include source (i.e. input) audio devices.

static Int

Specifies to the AudioManager#getDevices(int) method to include sink (i.e. output) audio devices.

static Int

A telephony call is established and its audio is being redirected to another device.

static Int

Call screening in progress.

static Int

An audio/video chat or VoIP call is established and its audio is being redirected to another device.

static Int

Current audio mode.

static Int

Invalid audio mode.

static Int

In call audio mode.

static Int

In communication audio mode.

static Int

Normal audio mode: not ringing and no call established.

static Int

Ringing audio mode.

static Int

static Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback supported with gapless transitions

static Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback not supported

static Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback supported

static String

Used as a key for getProperty to request the native or optimal output buffer size for this device's low latency output stream, in decimal PCM frames.

static String

Used as a key for getProperty to request the native or optimal output sample rate for this device's low latency output stream, in decimal Hz.

static String

Used as a key for getProperty to determine if the unprocessed audio source is available and supported with the expected frequency range and level response.

static String

Used as a key for getProperty to determine if the default microphone audio source supports near-ultrasound frequencies (range of 18 - 21 kHz).

static String

Used as a key for getProperty to determine if the default speaker audio path supports near-ultrasound frequencies (range of 18 - 21 kHz).

static String

Sticky broadcast intent action indicating that the ringer mode has changed.

static Int

Ringer mode that may be audible and may vibrate.

static Int

Ringer mode that will be silent and will not vibrate.

static Int

Ringer mode that will be silent and will vibrate.

static Int

Used for mask parameter of setRouting(int,int,int).

static Int

static Int

Routing audio output to bluetooth A2DP

static Int

Routing audio output to bluetooth SCO

static Int

Routing audio output to earpiece

static Int

Routing audio output to headset

static Int

Routing audio output to speaker

static Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is established

static Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is being established

static Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is not established

static Int

Value for extra EXTRA_SCO_AUDIO_STATE indicating that there was an error trying to obtain the state

static Int

Used to identify the volume of audio streams for accessibility prompts

static Int

Used to identify the volume of audio streams for alarms

static Int

Used to identify the volume of audio streams for DTMF Tones

static Int

Used to identify the volume of audio streams for music playback

static Int

Used to identify the volume of audio streams for notifications

static Int

Used to identify the volume of audio streams for the phone ring

static Int

Used to identify the volume of audio streams for system sounds

static Int

Used to identify the volume of audio streams for phone calls

static Int

Suggests using the default stream type.

static String

Broadcast intent action indicating that the vibrate setting has changed.

static Int

Vibrate setting that suggests to never vibrate.

static Int

Vibrate setting that suggests to vibrate when possible.

static Int

Vibrate setting that suggests to only vibrate when in the vibrate ringer mode.

static Int

Vibrate type that corresponds to notifications.

static Int

Vibrate type that corresponds to the ringer.

Public methods
open Int

Abandon audio focus.

open Int

Abandon audio focus.

open Unit

Adds a listener for being notified of changes to the communication audio device.

open Unit

Adds a listener to be notified of changes to the audio mode.

open Unit

Adds a listener for being notified of changes to the preferred mixer attributes.

open Unit
adjustStreamVolume(streamType: Int, direction: Int, flags: Int)

Adjusts the volume of a particular stream by one step in a direction.

open Unit
adjustSuggestedStreamVolume(direction: Int, suggestedStreamType: Int, flags: Int)

Adjusts the volume of the most relevant stream, or the given fallback stream.

open Unit
adjustVolume(direction: Int, flags: Int)

Adjusts the volume of the most relevant stream.

open Unit
adjustVolumeGroupVolume(groupId: Int, direction: Int, flags: Int)

Adjusts the volume of a particular group associated to given id by one step in a direction.

open Unit

Cancels previous communication device selection made with setCommunicationDevice(android.media.AudioDeviceInfo).

open Boolean

Clears the current preferred mixer attributes that were previously set via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes)
Requires android.Manifest.permission#MODIFY_AUDIO_SETTINGS

open Unit

Sends a simulated key event for a media button.

open Int

Return a new audio session identifier not associated with any player or effect.

open MutableList<AudioPlaybackConfiguration!>

Returns the current active audio playback configurations of the device

open MutableList<AudioRecordingConfiguration!>

Returns the current active audio recording configurations of the device.

open Int

Return the capture policy.

open MutableList<AudioDeviceInfo!>

Get the audio devices that would be used for the routing of the given audio attributes.

open Int

Retrieves the Hardware A/V synchronization ID corresponding to the given audio session ID.

open MutableList<AudioDeviceInfo!>

Returns a list of audio devices that can be selected for communication use cases via setCommunicationDevice(android.media.AudioDeviceInfo).

open AudioDeviceInfo?

Returns currently selected audio device for communication.

open Array<AudioDeviceInfo!>!
getDevices(flags: Int)

Returns an array of AudioDeviceInfo objects corresponding to the audio devices currently connected to the system and meeting the criteria specified in the flags parameter.

open static Int

Returns a bitfield representing the different forms of direct playback currently available for a given audio format.

open MutableList<AudioProfile!>

Returns a list of direct AudioProfile that are supported for the specified AudioAttributes.

open Int

Gets the surround sound mode.

open MutableList<MicrophoneInfo!>!

Returns a list of MicrophoneInfo that corresponds to the characteristics of all available microphones.

open Int

Returns the current audio mode.

open String!

Gets a variable number of parameter values from audio hardware.

open static Int

Returns whether offloaded playback of an audio format is supported on the device or not and when supported whether gapless transitions are possible or not.

open AudioMixerAttributes?

Returns current preferred mixer attributes that is set via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes)

open String!

Returns the value of the property with the specified key.

open Int

Returns the current ringtone mode.

open Int
getRouting(mode: Int)

Returns the current audio routing bit vector for a specified mode.

open Spatializer

Return a handle to the optional platform's Spatializer

open Int
getStreamMaxVolume(streamType: Int)

Returns the maximum volume index for a particular stream.

open Int
getStreamMinVolume(streamType: Int)

Returns the minimum volume index for a particular stream.

open Int
getStreamVolume(streamType: Int)

Returns the current volume index for a particular stream.

open Float
getStreamVolumeDb(streamType: Int, index: Int, deviceType: Int)

Returns the volume in dB (decibel) for the given stream type at the given volume index, on the given type of audio output device.

open MutableSet<Int!>

Returns a Set of unique Integers corresponding to audio device type identifiers that can potentially be connected to the system and meeting the criteria specified in the direction parameter.

open MutableList<AudioMixerAttributes!>

Returns the AudioMixerAttributes that can be used to set as preferred mixer attributes via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes).

open Int
getVibrateSetting(vibrateType: Int)

Returns whether the user's vibrate setting for a vibrate type.

open Int

Returns the volume group id associated to the given AudioAttributes.

open Boolean

Checks whether a Bluetooth A2DP audio peripheral is connected or not.

open Boolean

Indicates if current platform supports use of SCO for off call use cases.

open Boolean

Checks whether communications use Bluetooth SCO.

open Boolean

Indicates if the platform supports a special call screening and call monitoring mode.

open static Boolean

Return if audio haptic coupled playback is supported or not.

open Boolean

Checks whether the microphone mute is on or off.

open Boolean

Checks whether any music is active.

open static Boolean

Returns whether offloaded playback of an audio format is supported on the device.

open Boolean

Returns the current user setting for ramping ringer on incoming phone call ringtone.

open Boolean

Checks whether the speakerphone is on or off.

open Boolean
isStreamMute(streamType: Int)

Returns the current mute state for a particular stream.

open Boolean

Gets whether a certain surround format is enabled or not.

open Boolean

Indicates if the device implements a fixed volume policy.

open Boolean

Returns the current mute state for a particular volume group associated to the given id.

open Boolean

Checks whether a wired headset is connected or not.

open Unit

Load Sound effects.

open Unit
playSoundEffect(effectType: Int)

Plays a sound effect (Key clicks, lid open/close...)

open Unit
playSoundEffect(effectType: Int, volume: Float)

Plays a sound effect (Key clicks, lid open/close...)

open Unit

Registers an AudioDeviceCallback object to receive notifications of changes to the set of connected audio devices.

open Unit

Register a callback to be notified of audio playback changes through AudioPlaybackCallback

open Unit

Register a callback to be notified of audio recording changes through AudioRecordingCallback

open Unit

Register a component to be the sole receiver of MEDIA_BUTTON intents.

open Unit

Register a component to be the sole receiver of MEDIA_BUTTON intents.

open Unit

Registers the remote control client for providing information to display on the remote controls.

open Boolean

Registers a RemoteController instance for it to receive media metadata updates and playback state information from applications using RemoteControlClient, and control their playback.

open Unit

Removes a previously added listener of changes to the communication audio device.

open Unit

Removes a previously added listener for changes to audio mode.

open Unit

Removes a previously added listener of changes to the preferred mixer attributes.

open Int

Request audio focus.

open Int

Request audio focus.

open Unit
setAllowedCapturePolicy(capturePolicy: Int)

Specifies whether the audio played by this app may or may not be captured by other apps or the system.

open Unit

open Unit

Request use of Bluetooth SCO headset for communications.

open Boolean

Selects the audio device that should be used for communication use cases, for instance voice or video calls.

open Boolean

Sets the surround sound mode.

open Unit

Sets the microphone mute on or off.

open Unit
setMode(mode: Int)

Sets the audio mode.

open Unit
setParameters(keyValuePairs: String!)

Sets a variable number of parameter values to audio hardware.

open Boolean

Configures the mixer attributes for a particular AudioAttributes over a given AudioDeviceInfo.

open Unit
setRingerMode(ringerMode: Int)

Sets the ringer mode.

open Unit
setRouting(mode: Int, routes: Int, mask: Int)

Sets the audio routing for a specified mode

open Unit

Sets the speakerphone on or off.

open Unit
setStreamMute(streamType: Int, state: Boolean)

Mute or unmute an audio stream.

open Unit
setStreamSolo(streamType: Int, state: Boolean)

Solo or unsolo a particular stream.

open Unit
setStreamVolume(streamType: Int, index: Int, flags: Int)

Sets the volume index for a particular stream.

open Boolean
setSurroundFormatEnabled(audioFormat: Int, enabled: Boolean)

Sets and persists a certain surround format as enabled or not.

open Unit
setVibrateSetting(vibrateType: Int, vibrateSetting: Int)

Sets the setting for when the vibrate type should vibrate.

open Unit

Sets audio routing to the wired headset on or off.

open Boolean
shouldVibrate(vibrateType: Int)

Returns whether a particular type should vibrate according to user settings and the current ringer mode.

open Unit

Start bluetooth SCO audio connection.

open Unit

Stop bluetooth SCO audio connection.

open Unit

Unload Sound effects.

open Unit

Unregisters an AudioDeviceCallback object which has been previously registered to receive notifications of changes to the set of connected audio devices.

open Unit

Unregister an audio playback callback previously registered with registerAudioPlaybackCallback(android.media.AudioManager.AudioPlaybackCallback,android.os.Handler).

open Unit

Unregister an audio recording callback previously registered with registerAudioRecordingCallback(android.media.AudioManager.AudioRecordingCallback,android.os.Handler).

open Unit

Unregister the receiver of MEDIA_BUTTON intents.

open Unit

Unregister the receiver of MEDIA_BUTTON intents.

open Unit

Unregisters the remote control client that was providing information to display on the remote controls.

open Unit

Unregisters a RemoteController, causing it to no longer receive media metadata and playback state information, and no longer be capable of controlling playback.

Constants

ACTION_AUDIO_BECOMING_NOISY

Added in API level 3
static val ACTION_AUDIO_BECOMING_NOISY: String

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.

Value: "android.media.AUDIO_BECOMING_NOISY"

ACTION_HDMI_AUDIO_PLUG

Added in API level 21
static val ACTION_HDMI_AUDIO_PLUG: String

Broadcast Action: A sticky broadcast indicating an HDMI cable was plugged or unplugged. The intent will have the following extra values: EXTRA_AUDIO_PLUG_STATE, EXTRA_MAX_CHANNEL_COUNT, EXTRA_ENCODINGS.

It can only be received by explicitly registering for it with android.content.Context#registerReceiver(BroadcastReceiver,IntentFilter).

Value: "android.media.action.HDMI_AUDIO_PLUG"

ACTION_HEADSET_PLUG

Added in API level 21
static val ACTION_HEADSET_PLUG: String

Broadcast Action: Wired Headset plugged in or unplugged. You cannot receive this through components declared in manifests, only by explicitly registering for it with android.content.Context#registerReceiver(BroadcastReceiver,IntentFilter).

The intent will have the following extra values:

  • state - 0 for unplugged, 1 for plugged.
  • name - Headset type, human readable string
  • microphone - 1 if headset has a microphone, 0 otherwise
Value: "android.intent.action.HEADSET_PLUG"

ACTION_MICROPHONE_MUTE_CHANGED

Added in API level 28
static val ACTION_MICROPHONE_MUTE_CHANGED: String

Broadcast Action: microphone muting state changed. You cannot receive this through components declared in manifests, only by explicitly registering for it with android.content.Context#registerReceiver(BroadcastReceiver,IntentFilter).

The intent has no extra values, use isMicrophoneMute to check whether the microphone is muted.

Value: "android.media.action.MICROPHONE_MUTE_CHANGED"

ACTION_SCO_AUDIO_STATE_CHANGED

Added in API level 8
Deprecated in API level 15
static val ACTION_SCO_AUDIO_STATE_CHANGED: String

Deprecated: Use ACTION_SCO_AUDIO_STATE_UPDATED instead

Sticky broadcast intent action indicating that the Bluetooth SCO audio connection state has changed. The intent contains on extra EXTRA_SCO_AUDIO_STATE indicating the new state which is either SCO_AUDIO_STATE_DISCONNECTED or SCO_AUDIO_STATE_CONNECTED

Value: "android.media.SCO_AUDIO_STATE_CHANGED"

ACTION_SCO_AUDIO_STATE_UPDATED

Added in API level 14
static val ACTION_SCO_AUDIO_STATE_UPDATED: String

Sticky broadcast intent action indicating that the Bluetooth SCO audio connection state has been updated.

This intent has two extras:

EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE can be any of:

Value: "android.media.ACTION_SCO_AUDIO_STATE_UPDATED"

ACTION_SPEAKERPHONE_STATE_CHANGED

Added in API level 29
static val ACTION_SPEAKERPHONE_STATE_CHANGED: String

Broadcast Action: speakerphone state changed. You cannot receive this through components declared in manifests, only by explicitly registering for it with android.content.Context#registerReceiver(BroadcastReceiver,IntentFilter).

The intent has no extra values, use isSpeakerphoneOn to check whether the speakerphone functionality is enabled or not.

Value: "android.media.action.SPEAKERPHONE_STATE_CHANGED"

ADJUST_LOWER

Added in API level 1
static val ADJUST_LOWER: Int

Decrease the ringer volume.

Value: -1

ADJUST_MUTE

Added in API level 23
static val ADJUST_MUTE: Int

Mute the volume. Has no effect if the stream is already muted.

Value: -100

ADJUST_RAISE

Added in API level 1
static val ADJUST_RAISE: Int

Increase the ringer volume.

Value: 1

ADJUST_SAME

Added in API level 1
static val ADJUST_SAME: Int

Maintain the previous ringer volume. This may be useful when needing to show the volume toast without actually modifying the volume.

Value: 0

ADJUST_TOGGLE_MUTE

Added in API level 23
static val ADJUST_TOGGLE_MUTE: Int

Toggle the mute state. If muted the stream will be unmuted. If not muted the stream will be muted.

Value: 101

ADJUST_UNMUTE

Added in API level 23
static val ADJUST_UNMUTE: Int

Unmute the volume. Has no effect if the stream is not muted.

Value: 100

AUDIOFOCUS_GAIN

Added in API level 8
static val AUDIOFOCUS_GAIN: Int

Used to indicate a gain of audio focus, or a request of audio focus, of unknown duration.

Value: 1

AUDIOFOCUS_GAIN_TRANSIENT

Added in API level 8
static val AUDIOFOCUS_GAIN_TRANSIENT: Int

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.

Value: 2

AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE

Added in API level 19
static val AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE: Int

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.

Value: 4

AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK

Added in API level 8
static val AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK: Int

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.

Value: 3

AUDIOFOCUS_LOSS

Added in API level 8
static val AUDIOFOCUS_LOSS: Int

Used to indicate a loss of audio focus of unknown duration.

Value: -1

AUDIOFOCUS_LOSS_TRANSIENT

Added in API level 8
static val AUDIOFOCUS_LOSS_TRANSIENT: Int

Used to indicate a transient loss of audio focus.

Value: -2

AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK

Added in API level 8
static val AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK: Int

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.

Value: -3

AUDIOFOCUS_NONE

Added in API level 26
static val AUDIOFOCUS_NONE: Int

Used to indicate no audio focus has been gained or lost, or requested.

Value: 0

AUDIOFOCUS_REQUEST_DELAYED

Added in API level 26
static val AUDIOFOCUS_REQUEST_DELAYED: Int

A focus change request whose granting is delayed: the request was successful, but the requester will only be granted audio focus once the condition that prevented immediate granting has ended. See requestAudioFocus(android.media.AudioFocusRequest) and AudioFocusRequest.Builder#setAcceptsDelayedFocusGain(boolean)

Value: 2

AUDIOFOCUS_REQUEST_FAILED

Added in API level 8
static val AUDIOFOCUS_REQUEST_FAILED: Int

A failed focus change request.

Value: 0

AUDIOFOCUS_REQUEST_GRANTED

Added in API level 8
static val AUDIOFOCUS_REQUEST_GRANTED: Int

A successful focus change request.

Value: 1

AUDIO_SESSION_ID_GENERATE

Added in API level 21
static val AUDIO_SESSION_ID_GENERATE: Int

A special audio session ID to indicate that the audio session ID isn't known and the framework should generate a new value. This can be used when building a new AudioTrack instance with AudioTrack#AudioTrack(AudioAttributes, AudioFormat, int, int, int).

Value: 0

DIRECT_PLAYBACK_BITSTREAM_SUPPORTED

Added in API level 33
static val DIRECT_PLAYBACK_BITSTREAM_SUPPORTED: Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct playback supported. This value covers direct playback that is bitstream pass-through such as compressed pass-through.

Value: 4

DIRECT_PLAYBACK_NOT_SUPPORTED

Added in API level 33
static val DIRECT_PLAYBACK_NOT_SUPPORTED: Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct playback not supported.

Value: 0

DIRECT_PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED

Added in API level 33
static val DIRECT_PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED: Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct offload playback supported with gapless transitions. Compressed offload is a variant of direct playback. It is the feature that allows audio processing tasks to be done on the Android device but not on the application processor, instead, it is handled by dedicated hardware such as audio DSPs. That will allow the application processor to be idle as much as possible, which is good for power saving. Compressed offload playback supports AudioTrack.StreamEventCallback for event notifications. Gapless transitions indicates the ability to play consecutive audio tracks without an audio silence in between.

Value: 3

DIRECT_PLAYBACK_OFFLOAD_SUPPORTED

Added in API level 33
static val DIRECT_PLAYBACK_OFFLOAD_SUPPORTED: Int

Return value for getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes): direct offload playback supported. Compressed offload is a variant of direct playback. It is the feature that allows audio processing tasks to be done on the Android device but not on the application processor, instead, it is handled by dedicated hardware such as audio DSPs. That will allow the application processor to be idle as much as possible, which is good for power saving. Compressed offload playback supports AudioTrack.StreamEventCallback for event notifications.

Value: 1

ENCODED_SURROUND_OUTPUT_ALWAYS

Added in API level 31
static val ENCODED_SURROUND_OUTPUT_ALWAYS: Int

The surround sound formats are ALWAYS available, even if they are not detected by the hardware. Those formats will be reported as part of the HDMI output capability. Applications are then free to use either PCM or encoded output.

Value: 2

ENCODED_SURROUND_OUTPUT_AUTO

Added in API level 31
static val ENCODED_SURROUND_OUTPUT_AUTO: Int

The surround sound formats are available for use if they are detected. This is the default mode.

Value: 0

ENCODED_SURROUND_OUTPUT_MANUAL

Added in API level 31
static val ENCODED_SURROUND_OUTPUT_MANUAL: Int

Surround sound formats are available according to the choice of user, even if they are not detected by the hardware. Those formats will be reported as part of the HDMI output capability. Applications are then free to use either PCM or encoded output.

Value: 3

ENCODED_SURROUND_OUTPUT_NEVER

Added in API level 31
static val ENCODED_SURROUND_OUTPUT_NEVER: Int

The surround sound formats are NEVER available, even if they are detected by the hardware. Those formats will not be reported.

Value: 1

ENCODED_SURROUND_OUTPUT_UNKNOWN

Added in API level 31
static val ENCODED_SURROUND_OUTPUT_UNKNOWN: Int

The mode for surround sound formats is unknown.

Value: -1

ERROR

Added in API level 21
static val ERROR: Int

A default error code.

Value: -1

ERROR_DEAD_OBJECT

Added in API level 21
static val ERROR_DEAD_OBJECT: Int

An error code indicating that the object reporting it is no longer valid and needs to be recreated.

Value: -6

EXTRA_AUDIO_PLUG_STATE

Added in API level 21
static val EXTRA_AUDIO_PLUG_STATE: String

Extra used in ACTION_HDMI_AUDIO_PLUG to communicate whether HDMI is plugged in or unplugged. An integer value of 1 indicates a plugged-in state, 0 is unplugged.

Value: "android.media.extra.AUDIO_PLUG_STATE"

EXTRA_ENCODINGS

Added in API level 21
static val EXTRA_ENCODINGS: String

Extra used in ACTION_HDMI_AUDIO_PLUG to define the audio encodings supported by the connected HDMI device. The corresponding array of encoding values is only available when the device is plugged in (as expressed by EXTRA_AUDIO_PLUG_STATE). Encoding values are defined in AudioFormat (for instance see AudioFormat#ENCODING_PCM_16BIT). Use android.content.Intent#getIntArrayExtra(String) to retrieve the encoding values.

Value: "android.media.extra.ENCODINGS"

EXTRA_MAX_CHANNEL_COUNT

Added in API level 21
static val EXTRA_MAX_CHANNEL_COUNT: String

Extra used in ACTION_HDMI_AUDIO_PLUG to define the maximum number of channels supported by the HDMI device. The corresponding integer value is only available when the device is plugged in (as expressed by EXTRA_AUDIO_PLUG_STATE).

Value: "android.media.extra.MAX_CHANNEL_COUNT"

EXTRA_RINGER_MODE

Added in API level 1
static val EXTRA_RINGER_MODE: String

The new ringer mode.

Value: "android.media.EXTRA_RINGER_MODE"

EXTRA_SCO_AUDIO_PREVIOUS_STATE

Added in API level 14
static val EXTRA_SCO_AUDIO_PREVIOUS_STATE: String

Extra for intent ACTION_SCO_AUDIO_STATE_UPDATED containing the previous bluetooth SCO connection state.

Value: "android.media.extra.SCO_AUDIO_PREVIOUS_STATE"

EXTRA_SCO_AUDIO_STATE

Added in API level 8
static val EXTRA_SCO_AUDIO_STATE: String

Extra for intent ACTION_SCO_AUDIO_STATE_CHANGED or ACTION_SCO_AUDIO_STATE_UPDATED containing the new bluetooth SCO connection state.

Value: "android.media.extra.SCO_AUDIO_STATE"

EXTRA_VIBRATE_SETTING

Added in API level 1
Deprecated in API level 16
static val EXTRA_VIBRATE_SETTING: String

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode and listen to RINGER_MODE_CHANGED_ACTION instead.

The new vibrate setting for a particular type.

Value: "android.media.EXTRA_VIBRATE_SETTING"

EXTRA_VIBRATE_TYPE

Added in API level 1
Deprecated in API level 16
static val EXTRA_VIBRATE_TYPE: String

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode and listen to RINGER_MODE_CHANGED_ACTION instead.

The vibrate type whose setting has changed.

Value: "android.media.EXTRA_VIBRATE_TYPE"

FLAG_ALLOW_RINGER_MODES

Added in API level 1
static val FLAG_ALLOW_RINGER_MODES: Int

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 ADJUST_LOWER, then the ringer mode may switch the silent or vibrate mode.

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.

Value: 2

FLAG_PLAY_SOUND

Added in API level 1
static val FLAG_PLAY_SOUND: Int

Whether to play a sound when changing the volume.

If this is given to adjustVolume(int,int) or adjustSuggestedStreamVolume(int,int,int), it may be ignored in some cases (for example, the decided stream type is not AudioManager#STREAM_RING, or the volume is being adjusted downward).

Value: 4

FLAG_REMOVE_SOUND_AND_VIBRATE

Added in API level 1
static val FLAG_REMOVE_SOUND_AND_VIBRATE: Int

Removes any sounds/vibrate that may be in the queue, or are playing (related to changing volume).

Value: 8

FLAG_SHOW_UI

Added in API level 1
static val FLAG_SHOW_UI: Int

Show a toast containing the current volume.

Value: 1

FLAG_VIBRATE

Added in API level 1
static val FLAG_VIBRATE: Int

Whether to vibrate if going into the vibrate ringer mode.

Value: 16

FX_BACK

Added in API level 31
static val FX_BACK: Int

Back sound

Value: 10

FX_FOCUS_NAVIGATION_DOWN

Added in API level 1
static val FX_FOCUS_NAVIGATION_DOWN: Int

Focus has moved down

Value: 2

FX_FOCUS_NAVIGATION_LEFT

Added in API level 1
static val FX_FOCUS_NAVIGATION_LEFT: Int

Focus has moved left

Value: 3

FX_FOCUS_NAVIGATION_RIGHT

Added in API level 1
static val FX_FOCUS_NAVIGATION_RIGHT: Int

Focus has moved right

Value: 4

FX_FOCUS_NAVIGATION_UP

Added in API level 1
static val FX_FOCUS_NAVIGATION_UP: Int

Focus has moved up

Value: 1

FX_KEYPRESS_DELETE

Added in API level 3
static val FX_KEYPRESS_DELETE: Int

IME delete keypress sound

Value: 7

FX_KEYPRESS_INVALID

Added in API level 19
static val FX_KEYPRESS_INVALID: Int

Invalid keypress sound

Value: 9

FX_KEYPRESS_RETURN

Added in API level 3
static val FX_KEYPRESS_RETURN: Int

IME return_keypress sound

Value: 8

FX_KEYPRESS_SPACEBAR

Added in API level 3
static val FX_KEYPRESS_SPACEBAR: Int

IME spacebar keypress sound

Value: 6

FX_KEYPRESS_STANDARD

Added in API level 3
static val FX_KEYPRESS_STANDARD: Int

IME standard keypress sound

Value: 5

FX_KEY_CLICK

Added in API level 1
static val FX_KEY_CLICK: Int

Keyboard and direction pad click sound

Value: 0

GET_DEVICES_ALL

Added in API level 23
static val GET_DEVICES_ALL: Int

Specifies to the AudioManager#getDevices(int) method to include both source and sink devices.

Value: 3

GET_DEVICES_INPUTS

Added in API level 23
static val GET_DEVICES_INPUTS: Int

Specifies to the AudioManager#getDevices(int) method to include source (i.e. input) audio devices.

Value: 1

GET_DEVICES_OUTPUTS

Added in API level 23
static val GET_DEVICES_OUTPUTS: Int

Specifies to the AudioManager#getDevices(int) method to include sink (i.e. output) audio devices.

Value: 2

MODE_CALL_REDIRECT

Added in API level 33
static val MODE_CALL_REDIRECT: Int

A telephony call is established and its audio is being redirected to another device.

Value: 5

MODE_CALL_SCREENING

Added in API level 30
static val MODE_CALL_SCREENING: Int

Call screening in progress. Call is connected and audio is accessible to call screening applications but other audio use cases are still possible.

Value: 4

MODE_COMMUNICATION_REDIRECT

Added in API level 33
static val MODE_COMMUNICATION_REDIRECT: Int

An audio/video chat or VoIP call is established and its audio is being redirected to another device.

Value: 6

MODE_CURRENT

Added in API level 1
static val MODE_CURRENT: Int

Current audio mode. Used to apply audio routing to current mode.

Value: -1

MODE_INVALID

Added in API level 1
static val MODE_INVALID: Int

Invalid audio mode.

Value: -2

MODE_IN_CALL

Added in API level 1
static val MODE_IN_CALL: Int

In call audio mode. A telephony call is established.

Value: 2

MODE_IN_COMMUNICATION

Added in API level 11
static val MODE_IN_COMMUNICATION: Int

In communication audio mode. An audio/video chat or VoIP call is established.

Value: 3

MODE_NORMAL

Added in API level 1
static val MODE_NORMAL: Int

Normal audio mode: not ringing and no call established.

Value: 0

MODE_RINGTONE

Added in API level 1
static val MODE_RINGTONE: Int

Ringing audio mode. An incoming is being signaled.

Value: 1

NUM_STREAMS

Added in API level 1
Deprecated in API level 15
static val NUM_STREAMS: Int

Deprecated: Do not iterate on volume stream type values.

Value: 5

PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED

Added in API level 31
static val PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED: Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback supported with gapless transitions

Value: 2

PLAYBACK_OFFLOAD_NOT_SUPPORTED

Added in API level 31
static val PLAYBACK_OFFLOAD_NOT_SUPPORTED: Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback not supported

Value: 0

PLAYBACK_OFFLOAD_SUPPORTED

Added in API level 31
static val PLAYBACK_OFFLOAD_SUPPORTED: Int

Return value for getPlaybackOffloadSupport(android.media.AudioFormat,android.media.AudioAttributes): offload playback supported

Value: 1

PROPERTY_OUTPUT_FRAMES_PER_BUFFER

Added in API level 17
static val PROPERTY_OUTPUT_FRAMES_PER_BUFFER: String

Used as a key for getProperty to request the native or optimal output buffer size for this device's low latency output stream, in decimal PCM frames. Latency-sensitive apps should use this value as a minimum, and offer the user the option to override it. The low latency output stream is typically either the device's primary output stream, or another output stream with smaller buffers.

Value: "android.media.property.OUTPUT_FRAMES_PER_BUFFER"

PROPERTY_OUTPUT_SAMPLE_RATE

Added in API level 17
static val PROPERTY_OUTPUT_SAMPLE_RATE: String

Used as a key for getProperty to request the native or optimal output sample rate for this device's low latency output stream, in decimal Hz. Latency-sensitive apps should use this value as a default, and offer the user the option to override it. The low latency output stream is typically either the device's primary output stream, or another output stream with smaller buffers.

Value: "android.media.property.OUTPUT_SAMPLE_RATE"

PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED

Added in API level 24
static val PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED: String

Used as a key for getProperty to determine if the unprocessed audio source is available and supported with the expected frequency range and level response.

Value: "android.media.property.SUPPORT_AUDIO_SOURCE_UNPROCESSED"

PROPERTY_SUPPORT_MIC_NEAR_ULTRASOUND

Added in API level 23
static val PROPERTY_SUPPORT_MIC_NEAR_ULTRASOUND: String

Used as a key for getProperty to determine if the default microphone audio source supports near-ultrasound frequencies (range of 18 - 21 kHz).

Value: "android.media.property.SUPPORT_MIC_NEAR_ULTRASOUND"

PROPERTY_SUPPORT_SPEAKER_NEAR_ULTRASOUND

Added in API level 23
static val PROPERTY_SUPPORT_SPEAKER_NEAR_ULTRASOUND: String

Used as a key for getProperty to determine if the default speaker audio path supports near-ultrasound frequencies (range of 18 - 21 kHz).

Value: "android.media.property.SUPPORT_SPEAKER_NEAR_ULTRASOUND"

RINGER_MODE_CHANGED_ACTION

Added in API level 1
static val RINGER_MODE_CHANGED_ACTION: String

Sticky broadcast intent action indicating that the ringer mode has changed. Includes the new ringer mode.

Value: "android.media.RINGER_MODE_CHANGED"

RINGER_MODE_NORMAL

Added in API level 1
static val RINGER_MODE_NORMAL: Int

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.

Value: 2

RINGER_MODE_SILENT

Added in API level 1
static val RINGER_MODE_SILENT: Int

Ringer mode that will be silent and will not vibrate. (This overrides the vibrate setting.)

Value: 0

RINGER_MODE_VIBRATE

Added in API level 1
static val RINGER_MODE_VIBRATE: Int

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.)

Value: 1

ROUTE_ALL

Added in API level 1
Deprecated in API level 15
static val ROUTE_ALL: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Used for mask parameter of setRouting(int,int,int).

Value: -1

ROUTE_BLUETOOTH

Added in API level 1
Deprecated in API level 15
static val ROUTE_BLUETOOTH: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Value: 4

ROUTE_BLUETOOTH_A2DP

Added in API level 3
Deprecated in API level 15
static val ROUTE_BLUETOOTH_A2DP: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Routing audio output to bluetooth A2DP

Value: 16

ROUTE_BLUETOOTH_SCO

Added in API level 3
Deprecated in API level 15
static val ROUTE_BLUETOOTH_SCO: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Routing audio output to bluetooth SCO

Value: 4

ROUTE_EARPIECE

Added in API level 1
Deprecated in API level 15
static val ROUTE_EARPIECE: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Routing audio output to earpiece

Value: 1

ROUTE_HEADSET

Added in API level 1
Deprecated in API level 15
static val ROUTE_HEADSET: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Routing audio output to headset

Value: 8

ROUTE_SPEAKER

Added in API level 1
Deprecated in API level 15
static val ROUTE_SPEAKER: Int

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Routing audio output to speaker

Value: 2

SCO_AUDIO_STATE_CONNECTED

Added in API level 8
static val SCO_AUDIO_STATE_CONNECTED: Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is established

Value: 1

SCO_AUDIO_STATE_CONNECTING

Added in API level 14
static val SCO_AUDIO_STATE_CONNECTING: Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is being established

Value: 2

SCO_AUDIO_STATE_DISCONNECTED

Added in API level 8
static val SCO_AUDIO_STATE_DISCONNECTED: Int

Value for extra EXTRA_SCO_AUDIO_STATE or EXTRA_SCO_AUDIO_PREVIOUS_STATE indicating that the SCO audio channel is not established

Value: 0

SCO_AUDIO_STATE_ERROR

Added in API level 8
static val SCO_AUDIO_STATE_ERROR: Int

Value for extra EXTRA_SCO_AUDIO_STATE indicating that there was an error trying to obtain the state

Value: -1

STREAM_ACCESSIBILITY

Added in API level 26
static val STREAM_ACCESSIBILITY: Int

Used to identify the volume of audio streams for accessibility prompts

Value: 10

STREAM_ALARM

Added in API level 1
static val STREAM_ALARM: Int

Used to identify the volume of audio streams for alarms

Value: 4

STREAM_DTMF

Added in API level 5
static val STREAM_DTMF: Int

Used to identify the volume of audio streams for DTMF Tones

Value: 8

STREAM_MUSIC

Added in API level 1
static val STREAM_MUSIC: Int

Used to identify the volume of audio streams for music playback

Value: 3

STREAM_NOTIFICATION

Added in API level 3
static val STREAM_NOTIFICATION: Int

Used to identify the volume of audio streams for notifications

Value: 5

STREAM_RING

Added in API level 1
static val STREAM_RING: Int

Used to identify the volume of audio streams for the phone ring

Value: 2

STREAM_SYSTEM

Added in API level 1
static val STREAM_SYSTEM: Int

Used to identify the volume of audio streams for system sounds

Value: 1

STREAM_VOICE_CALL

Added in API level 1
static val STREAM_VOICE_CALL: Int

Used to identify the volume of audio streams for phone calls

Value: 0

USE_DEFAULT_STREAM_TYPE

Added in API level 1
static val USE_DEFAULT_STREAM_TYPE: Int

Suggests using the default stream type. This may not be used in all places a stream type is needed.

Value: -2147483648

VIBRATE_SETTING_CHANGED_ACTION

Added in API level 1
Deprecated in API level 16
static val VIBRATE_SETTING_CHANGED_ACTION: String

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode and listen to RINGER_MODE_CHANGED_ACTION instead.

Broadcast intent action indicating that the vibrate setting has changed. Includes the vibrate type and its new setting.

Value: "android.media.VIBRATE_SETTING_CHANGED"

VIBRATE_SETTING_OFF

Added in API level 1
Deprecated in API level 16
static val VIBRATE_SETTING_OFF: Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Vibrate setting that suggests to never vibrate.

Value: 0

VIBRATE_SETTING_ON

Added in API level 1
Deprecated in API level 16
static val VIBRATE_SETTING_ON: Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Vibrate setting that suggests to vibrate when possible.

Value: 1

VIBRATE_SETTING_ONLY_SILENT

Added in API level 1
Deprecated in API level 16
static val VIBRATE_SETTING_ONLY_SILENT: Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Vibrate setting that suggests to only vibrate when in the vibrate ringer mode.

Value: 2

VIBRATE_TYPE_NOTIFICATION

Added in API level 1
Deprecated in API level 16
static val VIBRATE_TYPE_NOTIFICATION: Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Vibrate type that corresponds to notifications.

Value: 1

VIBRATE_TYPE_RINGER

Added in API level 1
Deprecated in API level 16
static val VIBRATE_TYPE_RINGER: Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Vibrate type that corresponds to the ringer.

Value: 0

Public methods

abandonAudioFocus

Added in API level 8
Deprecated in API level 26
open fun abandonAudioFocus(l: AudioManager.OnAudioFocusChangeListener!): Int

Deprecated: use abandonAudioFocusRequest(android.media.AudioFocusRequest)

Abandon audio focus. Causes the previous focus owner, if any, to receive focus.

Parameters
l AudioManager.OnAudioFocusChangeListener!: the listener with which focus was requested.
Return
Int AUDIOFOCUS_REQUEST_FAILED or AUDIOFOCUS_REQUEST_GRANTED

abandonAudioFocusRequest

Added in API level 26
open fun abandonAudioFocusRequest(focusRequest: AudioFocusRequest): Int

Abandon audio focus. Causes the previous focus owner, if any, to receive focus.

Parameters
focusRequest AudioFocusRequest: the AudioFocusRequest that was used when requesting focus with requestAudioFocus(android.media.AudioFocusRequest). This value cannot be null.
Return
Int AUDIOFOCUS_REQUEST_FAILED or AUDIOFOCUS_REQUEST_GRANTED
Exceptions
java.lang.IllegalArgumentException if passed a null argument

addOnCommunicationDeviceChangedListener

Added in API level 31
open fun addOnCommunicationDeviceChangedListener(
    executor: Executor,
    listener: AudioManager.OnCommunicationDeviceChangedListener
): Unit

Adds a listener for being notified of changes to the communication audio device. See setCommunicationDevice(android.media.AudioDeviceInfo).

Parameters
executor Executor: This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
listener AudioManager.OnCommunicationDeviceChangedListener: This value cannot be null.

addOnModeChangedListener

Added in API level 31
open fun addOnModeChangedListener(
    executor: Executor,
    listener: AudioManager.OnModeChangedListener
): Unit

Adds a listener to be notified of changes to the audio mode. See getMode()

Parameters
executor Executor: This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
listener AudioManager.OnModeChangedListener: This value cannot be null.

addOnPreferredMixerAttributesChangedListener

Added in API level 34
open fun addOnPreferredMixerAttributesChangedListener(
    executor: Executor,
    listener: AudioManager.OnPreferredMixerAttributesChangedListener
): Unit

Adds a listener for being notified of changes to the preferred mixer attributes.

Parameters
executor Executor: the executor to execute the callback This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
listener AudioManager.OnPreferredMixerAttributesChangedListener: the listener to be notified of changes in the preferred mixer attributes. This value cannot be null.

adjustStreamVolume

Added in API level 1
open fun adjustStreamVolume(
    streamType: Int,
    direction: Int,
    flags: Int
): Unit

Adjusts the volume of a particular stream by one step in a direction.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed().

From N onward, ringer mode adjustments that would toggle Do Not Disturb are not allowed unless the app has been granted Do Not Disturb Access. See NotificationManager#isNotificationPolicyAccessGranted().

Parameters
streamType Int: The stream type to adjust. One of STREAM_VOICE_CALL, STREAM_SYSTEM, STREAM_RING, STREAM_MUSIC, STREAM_ALARM or STREAM_ACCESSIBILITY.
direction Int: The direction to adjust the volume. One of ADJUST_LOWER, ADJUST_RAISE, or ADJUST_SAME.
flags Int: Value is either 0 or a combination of android.media.AudioManager#FLAG_SHOW_UI, android.media.AudioManager#FLAG_ALLOW_RINGER_MODES, android.media.AudioManager#FLAG_PLAY_SOUND, android.media.AudioManager#FLAG_REMOVE_SOUND_AND_VIBRATE, and android.media.AudioManager#FLAG_VIBRATE
Exceptions
java.lang.SecurityException if the adjustment triggers a Do Not Disturb change and the caller is not granted notification policy access.

adjustSuggestedStreamVolume

Added in API level 1
open fun adjustSuggestedStreamVolume(
    direction: Int,
    suggestedStreamType: Int,
    flags: Int
): Unit

Adjusts the volume of the most relevant stream, or the given fallback stream.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed().

Parameters
direction Int: The direction to adjust the volume. One of ADJUST_LOWER, ADJUST_RAISE, ADJUST_SAME, ADJUST_MUTE, ADJUST_UNMUTE, or ADJUST_TOGGLE_MUTE.
suggestedStreamType Int: The stream type that will be used if there isn't a relevant stream. USE_DEFAULT_STREAM_TYPE is valid here.
flags Int: Value is either 0 or a combination of android.media.AudioManager#FLAG_SHOW_UI, android.media.AudioManager#FLAG_ALLOW_RINGER_MODES, android.media.AudioManager#FLAG_PLAY_SOUND, android.media.AudioManager#FLAG_REMOVE_SOUND_AND_VIBRATE, and android.media.AudioManager#FLAG_VIBRATE

adjustVolume

Added in API level 1
open fun adjustVolume(
    direction: Int,
    flags: Int
): Unit

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.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed().

Parameters
direction Int: The direction to adjust the volume. One of ADJUST_LOWER, ADJUST_RAISE, ADJUST_SAME, ADJUST_MUTE, ADJUST_UNMUTE, or ADJUST_TOGGLE_MUTE.
flags Int: Value is either 0 or a combination of android.media.AudioManager#FLAG_SHOW_UI, android.media.AudioManager#FLAG_ALLOW_RINGER_MODES, android.media.AudioManager#FLAG_PLAY_SOUND, android.media.AudioManager#FLAG_REMOVE_SOUND_AND_VIBRATE, and android.media.AudioManager#FLAG_VIBRATE

adjustVolumeGroupVolume

Added in API level 34
open fun adjustVolumeGroupVolume(
    groupId: Int,
    direction: Int,
    flags: Int
): Unit

Adjusts the volume of a particular group associated to given id by one step in a direction.

If the volume group is associated to a stream type, it fallbacks on adjustStreamVolume(int,int,int) for compatibility reason.

Call first in prior getVolumeGroupIdForAttributes(android.media.AudioAttributes) to retrieve the volume group id supporting the given AudioAttributes.

Parameters
groupId Int: of the audio volume group to consider.
direction Int: The direction to adjust the volume. One of ADJUST_LOWER, ADJUST_RAISE, or ADJUST_SAME.
flags Int: Value is either 0 or a combination of android.media.AudioManager#FLAG_SHOW_UI, android.media.AudioManager#FLAG_ALLOW_RINGER_MODES, android.media.AudioManager#FLAG_PLAY_SOUND, android.media.AudioManager#FLAG_REMOVE_SOUND_AND_VIBRATE, and android.media.AudioManager#FLAG_VIBRATE
Exceptions
java.lang.SecurityException if the adjustment triggers a Do Not Disturb change and the caller is not granted notification policy access.

clearCommunicationDevice

Added in API level 31
open fun clearCommunicationDevice(): Unit

Cancels previous communication device selection made with setCommunicationDevice(android.media.AudioDeviceInfo).

clearPreferredMixerAttributes

Added in API level 34
open fun clearPreferredMixerAttributes(
    attributes: AudioAttributes,
    device: AudioDeviceInfo
): Boolean

Clears the current preferred mixer attributes that were previously set via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes)
Requires android.Manifest.permission#MODIFY_AUDIO_SETTINGS

Parameters
attributes AudioAttributes: the AudioAttributes whose mixer attributes should be cleared. This value cannot be null.
device AudioDeviceInfo: the expected routing device This value cannot be null.
Return
Boolean true only if the preferred mixer attributes are removed successfully.

dispatchMediaKeyEvent

Added in API level 19
open fun dispatchMediaKeyEvent(keyEvent: KeyEvent!): Unit

Sends a simulated key event for a media button. To simulate a key press, you must first send a KeyEvent built with a KeyEvent#ACTION_DOWN action, then another event with the KeyEvent#ACTION_UP action.

The key event will be sent to the current media key event consumer which registered with AudioManager#registerMediaButtonEventReceiver(PendingIntent).

Parameters
keyEvent KeyEvent!: a media session KeyEvent, as defined by android.view.KeyEvent#isMediaSessionKey.

generateAudioSessionId

Added in API level 21
open fun generateAudioSessionId(): Int

Return a new audio session identifier not associated with any player or effect. An audio session identifier is a system wide unique identifier for a set of audio streams (one or more mixed together).

The primary use of the audio session ID is to associate audio effects to audio players, such as MediaPlayer or AudioTrack: all audio effects sharing the same audio session ID will be applied to the mixed audio content of the players that share the same audio session.

This method can for instance be used when creating one of the android.media.audiofx.AudioEffect objects to define the audio session of the effect, or to specify a session for a speech synthesis utterance in android.speech.tts.TextToSpeech.Engine.

Return
Int a new unclaimed and unused audio session identifier, or ERROR when the system failed to generate a new session, a condition in which audio playback or recording will subsequently fail as well.

getActivePlaybackConfigurations

Added in API level 26
open fun getActivePlaybackConfigurations(): MutableList<AudioPlaybackConfiguration!>

Returns the current active audio playback configurations of the device

Return
MutableList<AudioPlaybackConfiguration!> a non-null list of playback configurations. An empty list indicates there is no playback active when queried.

getActiveRecordingConfigurations

Added in API level 24
open fun getActiveRecordingConfigurations(): MutableList<AudioRecordingConfiguration!>

Returns the current active audio recording configurations of the device.

Return
MutableList<AudioRecordingConfiguration!> a non-null list of recording configurations. An empty list indicates there is no recording active when queried.

getAllowedCapturePolicy

Added in API level 29
open fun getAllowedCapturePolicy(): Int

Return the capture policy.

Return
Int the capture policy set by setAllowedCapturePolicy(int) or the default if it was not called. Value is android.media.AudioAttributes#ALLOW_CAPTURE_BY_ALL, android.media.AudioAttributes#ALLOW_CAPTURE_BY_SYSTEM, or android.media.AudioAttributes#ALLOW_CAPTURE_BY_NONE

getAudioDevicesForAttributes

Added in API level 33
open fun getAudioDevicesForAttributes(attributes: AudioAttributes): MutableList<AudioDeviceInfo!>

Get the audio devices that would be used for the routing of the given audio attributes. These are the devices anticipated to play sound from an AudioTrack created with the specified AudioAttributes. The audio routing can change if audio devices are physically connected or disconnected or concurrently through AudioRouting or MediaRouter.

Parameters
attributes AudioAttributes: the AudioAttributes for which the routing is being queried This value cannot be null.
Return
MutableList<AudioDeviceInfo!> an empty list if there was an issue with the request, a list of AudioDeviceInfo otherwise (typically one device, except for duplicated paths). This value cannot be null.

getAudioHwSyncForSession

Added in API level 31
open fun getAudioHwSyncForSession(sessionId: Int): Int

Retrieves the Hardware A/V synchronization ID corresponding to the given audio session ID. For more details on Hardware A/V synchronization please refer to media tunneling documentation.

Parameters
sessionId Int: the audio session ID for which the HW A/V sync ID is retrieved.
Return
Int the HW A/V sync ID for this audio session (an integer different from 0).
Exceptions
java.lang.UnsupportedOperationException if HW A/V synchronization is not supported.

getAvailableCommunicationDevices

Added in API level 31
open fun getAvailableCommunicationDevices(): MutableList<AudioDeviceInfo!>

Returns a list of audio devices that can be selected for communication use cases via setCommunicationDevice(android.media.AudioDeviceInfo).

Return
MutableList<AudioDeviceInfo!> a list of AudioDeviceInfo suitable for use with setCommunicationDevice(). This value cannot be null.

getCommunicationDevice

Added in API level 31
open fun getCommunicationDevice(): AudioDeviceInfo?

Returns currently selected audio device for communication.

This API replaces the following deprecated APIs:

Return
AudioDeviceInfo? an AudioDeviceInfo indicating which audio device is currently selected for communication use cases. Can be null on platforms not supporting android.content.pm.PackageManager#FEATURE_TELEPHONY. is used.

getDevices

Added in API level 23
open fun getDevices(flags: Int): Array<AudioDeviceInfo!>!

Returns an array of AudioDeviceInfo objects corresponding to the audio devices currently connected to the system and meeting the criteria specified in the flags parameter. Notes that Android audio framework only support one device per device type. In that case, if there are multiple audio device with the same device type connected to the Android device, only the last reported device will be known by Android audio framework and returned by this API.

Parameters
flags Int: A set of bitflags specifying the criteria to test. Value is either 0 or a combination of android.media.AudioManager#GET_DEVICES_INPUTS, and android.media.AudioManager#GET_DEVICES_OUTPUTS
Return
Array<AudioDeviceInfo!>! A (possibly zero-length) array of AudioDeviceInfo objects.

getDirectPlaybackSupport

Added in API level 33
open static fun getDirectPlaybackSupport(
    format: AudioFormat,
    attributes: AudioAttributes
): Int

Returns a bitfield representing the different forms of direct playback currently available for a given audio format.

Direct playback means that the audio stream is not altered by the framework. The audio stream will not be resampled, volume scaled, downmixed or mixed with other content by the framework. But it may be wrapped in a higher level protocol such as IEC61937 for passthrough.

Checking for direct support can help the app select the representation of audio content that most closely matches the capabilities of the device and peripherals (e.g. A/V receiver) connected to it. Note that the provided stream can still be re-encoded or mixed with other streams, if needed.

Parameters
format AudioFormat: the audio format (codec, sample rate, channels) being checked. This value cannot be null.
attributes AudioAttributes: the AudioAttributes to be used for playback This value cannot be null.
Return
Int the direct playback mode available with given format and attributes. The returned value will be DIRECT_PLAYBACK_NOT_SUPPORTED or a combination of DIRECT_PLAYBACK_OFFLOAD_SUPPORTED, DIRECT_PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED and DIRECT_PLAYBACK_BITSTREAM_SUPPORTED. Note that if DIRECT_PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED is present in the returned value, then DIRECT_PLAYBACK_OFFLOAD_SUPPORTED will be too. Value is either 0 or a combination of android.media.AudioManager#DIRECT_PLAYBACK_NOT_SUPPORTED, android.media.AudioManager#DIRECT_PLAYBACK_OFFLOAD_SUPPORTED, android.media.AudioManager#DIRECT_PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED, and android.media.AudioManager#DIRECT_PLAYBACK_BITSTREAM_SUPPORTED

getDirectProfilesForAttributes

Added in API level 33
open fun getDirectProfilesForAttributes(attributes: AudioAttributes): MutableList<AudioProfile!>

Returns a list of direct AudioProfile that are supported for the specified AudioAttributes. This can be empty in case of an error or if no direct playback is possible.

Direct playback means that the audio stream is not resampled or downmixed by the framework. Checking for direct support can help the app select the representation of audio content that most closely matches the capabilities of the device and peripherals (e.g. A/V receiver) connected to it. Note that the provided stream can still be re-encoded or mixed with other streams, if needed.

When using this information to inform your application which audio format to play, query again whenever audio output devices change (see AudioDeviceCallback).

Parameters
attributes AudioAttributes: a non-null AudioAttributes instance.
Return
MutableList<AudioProfile!> a list of AudioProfile This value cannot be null.

getMicrophones

Added in API level 28
open fun getMicrophones(): MutableList<MicrophoneInfo!>!

Returns a list of MicrophoneInfo that corresponds to the characteristics of all available microphones. The list is empty when no microphones are available on the device. An error during the query will result in an IOException being thrown.

Return
MutableList<MicrophoneInfo!>! a list that contains all microphones' characteristics
Exceptions
java.io.IOException if an error occurs.

getParameters

Added in API level 5
open fun getParameters(keys: String!): String!

Gets a variable number of parameter values from audio hardware.

Parameters
keys String!: list of parameters
Return
String! list of parameters key value pairs in the form: key1=value1;key2=value2;...

getPlaybackOffloadSupport

Added in API level 31
Deprecated in API level 33
open static fun getPlaybackOffloadSupport(
    format: AudioFormat,
    attributes: AudioAttributes
): Int

Deprecated: Use getDirectPlaybackSupport(android.media.AudioFormat,android.media.AudioAttributes) instead

Returns whether offloaded playback of an audio format is supported on the device or not and when supported whether gapless transitions are possible or not.

Offloaded playback is the feature where the decoding and playback of an audio stream is not competing with other software resources. In general, it is supported by dedicated hardware, such as audio DSPs.

Note that this query only provides information about the support of an audio format, it does not indicate whether the resources necessary for the offloaded playback are available at that instant.

Parameters
format AudioFormat: the audio format (codec, sample rate, channels) being checked. This value cannot be null.
attributes AudioAttributes: the AudioAttributes to be used for playback This value cannot be null.
Return
Int PLAYBACK_OFFLOAD_NOT_SUPPORTED if offload playback if not supported, PLAYBACK_OFFLOAD_SUPPORTED if offload playback is supported or PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED if gapless transitions are also supported. Value is android.media.AudioManager#PLAYBACK_OFFLOAD_NOT_SUPPORTED, android.media.AudioManager#PLAYBACK_OFFLOAD_SUPPORTED, or android.media.AudioManager#PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED

getPreferredMixerAttributes

Added in API level 34
open fun getPreferredMixerAttributes(
    attributes: AudioAttributes,
    device: AudioDeviceInfo
): AudioMixerAttributes?

Returns current preferred mixer attributes that is set via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes)

Parameters
attributes AudioAttributes: the AudioAttributes whose mixer attributes should be set. This value cannot be null.
device AudioDeviceInfo: the expected routing device This value cannot be null.
Return
AudioMixerAttributes? the preferred mixer attributes, which will be null when no preferred mixer attributes have been set, or when they have been cleared.

getProperty

Added in API level 17
open fun getProperty(key: String!): String!

Returns the value of the property with the specified key.

Parameters
key String!: One of the strings corresponding to a property key: either PROPERTY_OUTPUT_SAMPLE_RATE, PROPERTY_OUTPUT_FRAMES_PER_BUFFER, PROPERTY_SUPPORT_MIC_NEAR_ULTRASOUND, PROPERTY_SUPPORT_SPEAKER_NEAR_ULTRASOUND, or PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED.
Return
String! A string representing the associated value for that property key, or null if there is no value for that key.

getRingerMode

Added in API level 1
open fun getRingerMode(): Int

Returns the current ringtone mode.

Return
Int The current ringtone mode, one of RINGER_MODE_NORMAL, RINGER_MODE_SILENT, or RINGER_MODE_VIBRATE.

getRouting

Added in API level 1
Deprecated in API level 15
open fun getRouting(mode: Int): Int

Deprecated: Do not query audio routing directly, use isSpeakerphoneOn(), isBluetoothScoOn(), isBluetoothA2dpOn() and isWiredHeadsetOn() methods instead.

Returns the current audio routing bit vector for a specified mode.

Parameters
mode Int: audio mode to get route (e.g., MODE_RINGTONE)
Return
Int an audio route bit vector that can be compared with ROUTE_xxx bits

getSpatializer

Added in API level 32
open fun getSpatializer(): Spatializer

Return a handle to the optional platform's Spatializer

Return
Spatializer the Spatializer instance. This value cannot be null.

getStreamMaxVolume

Added in API level 1
open fun getStreamMaxVolume(streamType: Int): Int

Returns the maximum volume index for a particular stream.

Parameters
streamType Int: The stream type whose maximum volume index is returned.
Return
Int The maximum valid volume index for the stream.

getStreamMinVolume

Added in API level 28
open fun getStreamMinVolume(streamType: Int): Int

Returns the minimum volume index for a particular stream.

Parameters
streamType Int: The stream type whose minimum volume index is returned. Must be one of STREAM_VOICE_CALL, STREAM_SYSTEM, STREAM_RING, STREAM_MUSIC, STREAM_ALARM, STREAM_NOTIFICATION, STREAM_DTMF or STREAM_ACCESSIBILITY.
Return
Int The minimum valid volume index for the stream.

getStreamVolume

Added in API level 1
open fun getStreamVolume(streamType: Int): Int

Returns the current volume index for a particular stream.

Parameters
streamType Int: The stream type whose volume index is returned.
Return
Int The current volume index for the stream.

getStreamVolumeDb

Added in API level 28
open fun getStreamVolumeDb(
    streamType: Int,
    index: Int,
    deviceType: Int
): Float

Returns the volume in dB (decibel) for the given stream type at the given volume index, on the given type of audio output device.

Parameters
streamType Int: stream type for which the volume is queried. Value is android.media.AudioManager#STREAM_VOICE_CALL, android.media.AudioManager#STREAM_SYSTEM, android.media.AudioManager#STREAM_RING, android.media.AudioManager#STREAM_MUSIC, android.media.AudioManager#STREAM_ALARM, android.media.AudioManager#STREAM_NOTIFICATION, android.media.AudioManager#STREAM_DTMF, or android.media.AudioManager#STREAM_ACCESSIBILITY
index Int: the volume index for which the volume is queried. The index value must be between the minimum and maximum index values for the given stream type (see getStreamMinVolume(int) and getStreamMaxVolume(int)).
deviceType Int: the type of audio output device for which volume is queried. Value is android.media.AudioDeviceInfo#TYPE_BUILTIN_EARPIECE, android.media.AudioDeviceInfo#TYPE_BUILTIN_SPEAKER, android.media.AudioDeviceInfo#TYPE_WIRED_HEADSET, android.media.AudioDeviceInfo#TYPE_WIRED_HEADPHONES, android.media.AudioDeviceInfo#TYPE_BLUETOOTH_SCO, android.media.AudioDeviceInfo#TYPE_BLUETOOTH_A2DP, android.media.AudioDeviceInfo#TYPE_HDMI, android.media.AudioDeviceInfo#TYPE_DOCK, android.media.AudioDeviceInfo#TYPE_USB_ACCESSORY, android.media.AudioDeviceInfo#TYPE_USB_DEVICE, android.media.AudioDeviceInfo#TYPE_USB_HEADSET, android.media.AudioDeviceInfo#TYPE_TELEPHONY, android.media.AudioDeviceInfo#TYPE_LINE_ANALOG, android.media.AudioDeviceInfo#TYPE_HDMI_ARC, android.media.AudioDeviceInfo#TYPE_HDMI_EARC, android.media.AudioDeviceInfo#TYPE_LINE_DIGITAL, android.media.AudioDeviceInfo#TYPE_FM, android.media.AudioDeviceInfo#TYPE_AUX_LINE, android.media.AudioDeviceInfo#TYPE_IP, android.media.AudioDeviceInfo#TYPE_BUS, android.media.AudioDeviceInfo#TYPE_HEARING_AID, android.media.AudioDeviceInfo#TYPE_BUILTIN_SPEAKER_SAFE, android.media.AudioDeviceInfo#TYPE_BLE_HEADSET, android.media.AudioDeviceInfo#TYPE_BLE_SPEAKER, android.media.AudioDeviceInfo#TYPE_BLE_BROADCAST, or android.media.AudioDeviceInfo#TYPE_DOCK_ANALOG
Return
Float a volume expressed in dB. A negative value indicates the audio signal is attenuated. A typical maximum value at the maximum volume index is 0 dB (no attenuation nor amplification). Muting is reflected by a value of Float#NEGATIVE_INFINITY.

getSupportedDeviceTypes

Added in API level 35
open fun getSupportedDeviceTypes(direction: Int): MutableSet<Int!>

Returns a Set of unique Integers corresponding to audio device type identifiers that can potentially be connected to the system and meeting the criteria specified in the direction parameter. Note that this set contains AudioDeviceInfo device type identifiers for both devices currently available and those that can be available if the user connects an audio peripheral. Examples include TYPE_WIRED_HEADSET if the Android device supports an analog headset jack or TYPE_USB_DEVICE if the Android device supports a USB host-mode port. These are generally a superset of device type identifiers associated with the AudioDeviceInfo objects returned from AudioManager.getDevices().

Parameters
direction Int: The constant specifying whether input or output devices are queried. Value is either 0 or a combination of android.media.AudioManager#GET_DEVICES_INPUTS, and android.media.AudioManager#GET_DEVICES_OUTPUTS
Return
MutableSet<Int!> A (possibly zero-length) Set of Integer objects corresponding to the audio device types of devices supported by the implementation. This value cannot be null.
Exceptions
java.lang.IllegalArgumentException If an invalid direction constant is specified.

getSupportedMixerAttributes

Added in API level 34
open fun getSupportedMixerAttributes(device: AudioDeviceInfo): MutableList<AudioMixerAttributes!>

Returns the AudioMixerAttributes that can be used to set as preferred mixer attributes via setPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo,android.media.AudioMixerAttributes).

Note that only USB devices are guaranteed to expose configurable mixer attributes. An empty list may be returned for all other types of devices as they may not allow dynamic configuration.

Parameters
device AudioDeviceInfo: the device to query This value cannot be null.
Return
MutableList<AudioMixerAttributes!> a list of AudioMixerAttributes that can be used as preferred mixer attributes for the given device. This value cannot be null.

getVibrateSetting

Added in API level 1
Deprecated in API level 16
open fun getVibrateSetting(vibrateType: Int): Int

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Returns whether the user's vibrate setting for a vibrate type.

This shouldn't be needed by most clients that want to vibrate, instead see shouldVibrate(int).

Parameters
vibrateType Int: The type of vibrate. One of VIBRATE_TYPE_NOTIFICATION or VIBRATE_TYPE_RINGER.
Return
Int The vibrate setting, one of VIBRATE_SETTING_ON, VIBRATE_SETTING_OFF, or VIBRATE_SETTING_ONLY_SILENT.

getVolumeGroupIdForAttributes

Added in API level 34
open fun getVolumeGroupIdForAttributes(attributes: AudioAttributes): Int

Returns the volume group id associated to the given AudioAttributes.

Parameters
attributes AudioAttributes: The AudioAttributes to consider. This value cannot be null.
Return
Int audio volume group id supporting the given AudioAttributes if found, android.media.audiopolicy.AudioVolumeGroup.DEFAULT_VOLUME_GROUP otherwise.

isBluetoothA2dpOn

Added in API level 3
Deprecated in API level 26
open fun isBluetoothA2dpOn(): Boolean

Deprecated: Use AudioManager#getDevices(int) instead to list available audio devices.

Checks whether a Bluetooth A2DP audio peripheral is connected or not.

Return
Boolean true if a Bluetooth A2DP peripheral is connected false if otherwise

isBluetoothScoAvailableOffCall

Added in API level 8
open fun isBluetoothScoAvailableOffCall(): Boolean

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
Boolean true if bluetooth SCO can be used for audio when not in call false otherwise

isBluetoothScoOn

Added in API level 1
Deprecated in API level 34
open fun isBluetoothScoOn(): Boolean

Deprecated: Use AudioManager#getCommunicationDevice() instead.

Checks whether communications use Bluetooth SCO.

Return
Boolean true if SCO is used for communications; false if otherwise

isCallScreeningModeSupported

Added in API level 30
open fun isCallScreeningModeSupported(): Boolean

Indicates if the platform supports a special call screening and call monitoring mode.

When this mode is supported, it is possible to perform call screening and monitoring functions while other use cases like music or movie playback are active.

Use setMode(int) with mode MODE_CALL_SCREENING to place the platform in call screening mode.

If call screening mode is not supported, setting mode to MODE_CALL_SCREENING will be ignored and will not change current mode reported by getMode().

Return
Boolean true if call screening mode is supported, false otherwise.

isHapticPlaybackSupported

Added in API level 29
open static fun isHapticPlaybackSupported(): Boolean

Return if audio haptic coupled playback is supported or not.

Return
Boolean whether audio haptic playback supported.

isMicrophoneMute

Added in API level 1
open fun isMicrophoneMute(): Boolean

Checks whether the microphone mute is on or off.

Return
Boolean true if microphone is muted, false if it's not

isMusicActive

Added in API level 1
open fun isMusicActive(): Boolean

Checks whether any music is active.

Return
Boolean true if any music tracks are active.

isOffloadedPlaybackSupported

Added in API level 29
open static fun isOffloadedPlaybackSupported(
    format: AudioFormat,
    attributes: AudioAttributes
): Boolean

Returns whether offloaded playback of an audio format is supported on the device.

Offloaded playback is the feature where the decoding and playback of an audio stream is not competing with other software resources. In general, it is supported by dedicated hardware, such as audio DSPs.

Note that this query only provides information about the support of an audio format, it does not indicate whether the resources necessary for the offloaded playback are available at that instant.

Parameters
format AudioFormat: the audio format (codec, sample rate, channels) being checked. This value cannot be null.
attributes AudioAttributes: the AudioAttributes to be used for playback This value cannot be null.
Return
Boolean true if the given audio format can be offloaded.

isRampingRingerEnabled

Added in API level 33
open fun isRampingRingerEnabled(): Boolean

Returns the current user setting for ramping ringer on incoming phone call ringtone.

Return
Boolean true if the incoming phone call ringtone is configured to gradually increase its volume, false otherwise.

isSpeakerphoneOn

Added in API level 1
Deprecated in API level 34
open fun isSpeakerphoneOn(): Boolean

Deprecated: Use AudioManager#getCommunicationDevice() instead.

Checks whether the speakerphone is on or off.

Return
Boolean true if speakerphone is on, false if it's off

isStreamMute

Added in API level 23
open fun isStreamMute(streamType: Int): Boolean

Returns the current mute state for a particular stream.

Parameters
streamType Int: The stream to get mute state for.
Return
Boolean The mute state for the given stream.

isVolumeFixed

Added in API level 21
open fun isVolumeFixed(): Boolean

Indicates if the device implements a fixed volume policy.

Some devices may not have volume control and may operate at a fixed volume, and may not enable muting or changing the volume of audio streams. This method will return true on such devices.

The following APIs have no effect when volume is fixed:

isVolumeGroupMuted

Added in API level 34
open fun isVolumeGroupMuted(groupId: Int): Boolean

Returns the current mute state for a particular volume group associated to the given id.

Call first in prior getVolumeGroupIdForAttributes(android.media.AudioAttributes) to retrieve the volume group id supporting the given AudioAttributes.

Parameters
groupId Int: of the audio volume group to consider.
Return
Boolean The mute state for the given audio volume group id.

isWiredHeadsetOn

Added in API level 5
Deprecated in API level 15
open fun isWiredHeadsetOn(): Boolean

Deprecated: Use AudioManager#getDevices(int) instead to list available audio devices.

Checks whether a wired headset is connected or not.

This is not a valid indication that audio playback is actually over the wired headset as audio routing depends on other conditions.

Return
Boolean true if a wired headset is connected. false if otherwise

loadSoundEffects

Added in API level 1
open fun loadSoundEffects(): Unit

Load Sound effects. This method must be called when sound effects are enabled.

playSoundEffect

Added in API level 3
open fun playSoundEffect(
    effectType: Int,
    volume: Float
): Unit

Plays a sound effect (Key clicks, lid open/close...)

Parameters
effectType Int: The type of sound effect. Value is android.media.AudioManager#FX_KEY_CLICK, android.media.AudioManager#FX_FOCUS_NAVIGATION_UP, android.media.AudioManager#FX_FOCUS_NAVIGATION_DOWN, android.media.AudioManager#FX_FOCUS_NAVIGATION_LEFT, android.media.AudioManager#FX_FOCUS_NAVIGATION_RIGHT, android.media.AudioManager#FX_KEYPRESS_STANDARD, android.media.AudioManager#FX_KEYPRESS_SPACEBAR, android.media.AudioManager#FX_KEYPRESS_DELETE, android.media.AudioManager#FX_KEYPRESS_RETURN, android.media.AudioManager#FX_KEYPRESS_INVALID, or android.media.AudioManager#FX_BACK
volume Float: 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.

registerAudioDeviceCallback

Added in API level 23
open fun registerAudioDeviceCallback(
    callback: AudioDeviceCallback!,
    handler: Handler?
): Unit

Registers an AudioDeviceCallback object to receive notifications of changes to the set of connected audio devices.

Parameters
callback AudioDeviceCallback!: The AudioDeviceCallback object to receive connect/disconnect notifications.
handler Handler?: Specifies the Handler object for the thread on which to execute the callback. If null, the Handler associated with the main Looper will be used.

registerAudioPlaybackCallback

Added in API level 26
open fun registerAudioPlaybackCallback(
    cb: AudioManager.AudioPlaybackCallback,
    handler: Handler?
): Unit

Register a callback to be notified of audio playback changes through AudioPlaybackCallback

Parameters
cb AudioManager.AudioPlaybackCallback: non-null callback to register
handler Handler?: the Handler object for the thread on which to execute the callback. If null, the Handler associated with the main Looper will be used.

registerAudioRecordingCallback

Added in API level 24
open fun registerAudioRecordingCallback(
    cb: AudioManager.AudioRecordingCallback,
    handler: Handler?
): Unit

Register a callback to be notified of audio recording changes through AudioRecordingCallback

Parameters
cb AudioManager.AudioRecordingCallback: non-null callback to register
handler Handler?: the Handler object for the thread on which to execute the callback. If null, the Handler associated with the main Looper will be used.

registerMediaButtonEventReceiver

Added in API level 8
Deprecated in API level 21
open fun registerMediaButtonEventReceiver(eventReceiver: ComponentName!): Unit

Deprecated: Use MediaSession#setMediaButtonReceiver(PendingIntent) instead.

Register a component to be the sole receiver of MEDIA_BUTTON intents.

Parameters
eventReceiver ComponentName!: identifier of a 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.

registerMediaButtonEventReceiver

Added in API level 18
Deprecated in API level 21
open fun registerMediaButtonEventReceiver(eventReceiver: PendingIntent!): Unit

Deprecated: Use MediaSession#setMediaButtonReceiver(PendingIntent) instead.

Register a component to be the sole receiver of MEDIA_BUTTON intents. This is like 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.

Parameters
eventReceiver PendingIntent!: target that will receive media button intents. The PendingIntent will be sent an Intent#ACTION_MEDIA_BUTTON event when a media button action occurs, with Intent#EXTRA_KEY_EVENT added and holding the key code of the media button that was pressed.

registerRemoteControlClient

Added in API level 14
Deprecated in API level 21
open fun registerRemoteControlClient(rcClient: RemoteControlClient!): Unit

Deprecated: Use MediaSession instead.

Registers the remote control client for providing information to display on the remote controls.

Parameters
rcClient RemoteControlClient!: The remote control client from which remote controls will receive information to display.

registerRemoteController

Added in API level 19
Deprecated in API level 21
open fun registerRemoteController(rctlr: RemoteController!): Boolean

Deprecated: Use MediaSessionManager#addOnActiveSessionsChangedListener(android.media.session.MediaSessionManager.OnActiveSessionsChangedListener, ComponentName) and MediaController instead.

Registers a RemoteController instance for it to receive media metadata updates and playback state information from applications using RemoteControlClient, and control their playback.

Registration requires the RemoteController.OnClientUpdateListener listener to be one of the enabled notification listeners (see android.service.notification.NotificationListenerService).

Parameters
rctlr RemoteController!: the object to register.
Return
Boolean true if the RemoteController was successfully registered, false if an error occurred, due to an internal system error, or insufficient permissions.

removeOnCommunicationDeviceChangedListener

Added in API level 31
open fun removeOnCommunicationDeviceChangedListener(listener: AudioManager.OnCommunicationDeviceChangedListener): Unit

Removes a previously added listener of changes to the communication audio device. See setCommunicationDevice(android.media.AudioDeviceInfo).

Parameters
listener AudioManager.OnCommunicationDeviceChangedListener: This value cannot be null.

removeOnModeChangedListener

Added in API level 31
open fun removeOnModeChangedListener(listener: AudioManager.OnModeChangedListener): Unit

Removes a previously added listener for changes to audio mode. See getMode()

Parameters
listener AudioManager.OnModeChangedListener: This value cannot be null.

removeOnPreferredMixerAttributesChangedListener

Added in API level 34
open fun removeOnPreferredMixerAttributesChangedListener(listener: AudioManager.OnPreferredMixerAttributesChangedListener): Unit

Removes a previously added listener of changes to the preferred mixer attributes.

Parameters
listener AudioManager.OnPreferredMixerAttributesChangedListener: the listener to be notified of changes in the preferred mixer attributes, which were added via addOnPreferredMixerAttributesChangedListener(java.util.concurrent.Executor,android.media.AudioManager.OnPreferredMixerAttributesChangedListener). This value cannot be null.

requestAudioFocus

Added in API level 8
Deprecated in API level 26
open fun requestAudioFocus(
    l: AudioManager.OnAudioFocusChangeListener!,
    streamType: Int,
    durationHint: Int
): Int

Deprecated: use requestAudioFocus(android.media.AudioFocusRequest)

Request audio focus. Send a request to obtain the audio focus

Parameters
l AudioManager.OnAudioFocusChangeListener!: the listener to be notified of audio focus changes
streamType Int: the main audio stream type affected by the focus request
durationHint Int: use 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 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 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 AUDIOFOCUS_GAIN for a focus request of unknown duration such as the playback of a song or a video.
Return
Int AUDIOFOCUS_REQUEST_FAILED or AUDIOFOCUS_REQUEST_GRANTED

requestAudioFocus

Added in API level 26
open fun requestAudioFocus(focusRequest: AudioFocusRequest): Int

Request audio focus. See the AudioFocusRequest for information about the options available to configure your request, and notification of focus gain and loss.

Parameters
focusRequest AudioFocusRequest: a AudioFocusRequest instance used to configure how focus is requested. This value cannot be null.
Return
Int AUDIOFOCUS_REQUEST_FAILED, AUDIOFOCUS_REQUEST_GRANTED or AUDIOFOCUS_REQUEST_DELAYED.
Note that the return value is never AUDIOFOCUS_REQUEST_DELAYED when focus is requested without building the AudioFocusRequest with AudioFocusRequest.Builder#setAcceptsDelayedFocusGain(boolean) set to true.
Exceptions
java.lang.NullPointerException if passed a null argument

setAllowedCapturePolicy

Added in API level 29
open fun setAllowedCapturePolicy(capturePolicy: Int): Unit

Specifies whether the audio played by this app may or may not be captured by other apps or the system. The default is AudioAttributes#ALLOW_CAPTURE_BY_ALL. There are multiple ways to set this policy:

The most restrictive policy is always applied. See AudioPlaybackCaptureConfiguration for more details on which audio signals can be captured.

Parameters
capturePolicy Int: one of AudioAttributes#ALLOW_CAPTURE_BY_ALL, AudioAttributes#ALLOW_CAPTURE_BY_SYSTEM, AudioAttributes#ALLOW_CAPTURE_BY_NONE. Value is android.media.AudioAttributes#ALLOW_CAPTURE_BY_ALL, android.media.AudioAttributes#ALLOW_CAPTURE_BY_SYSTEM, or android.media.AudioAttributes#ALLOW_CAPTURE_BY_NONE
Exceptions
java.lang.RuntimeException if the argument is not a valid value.

setBluetoothA2dpOn

Added in API level 3
Deprecated in API level 15
open fun setBluetoothA2dpOn(on: Boolean): Unit

Deprecated: Use MediaRouter#selectRoute instead.

setBluetoothScoOn

Added in API level 1
open fun setBluetoothScoOn(on: Boolean): Unit

Request use of Bluetooth SCO headset for communications.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

Parameters
on Boolean: set true to use bluetooth SCO for communications; false to not use bluetooth SCO for communications

setCommunicationDevice

Added in API level 31
open fun setCommunicationDevice(device: AudioDeviceInfo): Boolean

Selects the audio device that should be used for communication use cases, for instance voice or video calls. This method can be used by voice or video chat applications to select a different audio device than the one selected by default by the platform.

The device selection is expressed as an AudioDeviceInfo among devices returned by getAvailableCommunicationDevices(). Note that only devices in a sink role (AKA output devices, see AudioDeviceInfo#isSink()) can be specified. The matching source device is selected automatically by the platform.

The selection is active as long as the requesting application process lives, until clearCommunicationDevice is called or until the device is disconnected. It is therefore important for applications to clear the request when a call ends or the the requesting activity or service is stopped or destroyed.

In case of simultaneous requests by multiple applications the priority is given to the application currently controlling the audio mode (see setMode(int)). This is the latest application having selected mode MODE_IN_COMMUNICATION or mode MODE_IN_CALL. Note that MODE_IN_CALL can only be selected by the main telephony application with permission Manifest.permission#MODIFY_PHONE_STATE.

If the requested devices is not currently available, the request will be rejected and the method will return false.

This API replaces the following deprecated APIs:

Example

The example below shows how to enable and disable speakerphone mode.

// Get an AudioManager instance
  AudioManager audioManager = Context.getSystemService(AudioManager.class);
  AudioDeviceInfo speakerDevice = null;
  List<audiodeviceinfo>
  devices = audioManager.getAvailableCommunicationDevices();
  for (AudioDeviceInfo device : devices) {
      if (device.getType() == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER) {
          speakerDevice = device;
          break;
      }
  }
  if (speakerDevice != null) {
      // Turn speakerphone ON.
      boolean result = audioManager.setCommunicationDevice(speakerDevice);
      if (!result) {
          // Handle error.
      }
      // Turn speakerphone OFF.
      audioManager.clearCommunicationDevice();
  }
  
</audiodeviceinfo>
Parameters
device AudioDeviceInfo: the requested audio device. This value cannot be null.
Return
Boolean true if the request was accepted, false otherwise.
Exceptions
java.lang.IllegalArgumentException If an invalid device is specified.

setMicrophoneMute

Added in API level 1
open fun setMicrophoneMute(on: Boolean): Unit

Sets the microphone mute on or off.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

Parameters
on Boolean: set true to mute the microphone; false to turn mute off

setMode

Added in API level 1
open fun setMode(mode: Int): Unit

Sets the audio mode.

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 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.

Parameters
mode Int: the requested audio mode. Informs the HAL about the current audio state so that it can route the audio appropriately. Value is android.media.AudioManager#MODE_NORMAL, android.media.AudioManager#MODE_RINGTONE, android.media.AudioManager#MODE_IN_CALL, android.media.AudioManager#MODE_IN_COMMUNICATION, android.media.AudioManager#MODE_CALL_SCREENING, android.media.AudioManager#MODE_CALL_REDIRECT, or android.media.AudioManager#MODE_COMMUNICATION_REDIRECT

setParameters

Added in API level 5
open fun setParameters(keyValuePairs: String!): Unit

Sets a variable number of parameter values to audio hardware.

Parameters
keyValuePairs String!: list of parameters key value pairs in the form: key1=value1;key2=value2;...

setPreferredMixerAttributes

Added in API level 34
open fun setPreferredMixerAttributes(
    attributes: AudioAttributes,
    device: AudioDeviceInfo,
    mixerAttributes: AudioMixerAttributes
): Boolean

Configures the mixer attributes for a particular AudioAttributes over a given AudioDeviceInfo.

Call getSupportedMixerAttributes(android.media.AudioDeviceInfo) to determine which mixer attributes can be used with the given device.

The ownership of preferred mixer attributes is recognized by uid. When a playback from the same uid is routed to the given audio device when calling this API, the output mixer/stream will be configured with the values previously set via this API.

Use clearPreferredMixerAttributes(android.media.AudioAttributes,android.media.AudioDeviceInfo) to cancel setting mixer attributes for this AudioAttributes.
Requires android.Manifest.permission#MODIFY_AUDIO_SETTINGS

Parameters
attributes AudioAttributes: the AudioAttributes whose mixer attributes should be set. Currently, only AudioAttributes#USAGE_MEDIA is supported. When playing audio targeted at the given device, use the same attributes for playback. This value cannot be null.
device AudioDeviceInfo: the device to be routed. Currently, only USB device will be allowed. This value cannot be null.
mixerAttributes AudioMixerAttributes: the preferred mixer attributes. When playing audio targeted at the given device, use the same AudioFormat for both playback and the mixer attributes. This value cannot be null.
Return
Boolean true only if the preferred mixer attributes are set successfully.

setRingerMode

Added in API level 1
open fun setRingerMode(ringerMode: Int): Unit

Sets the ringer mode.

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.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed(). *

From N onward, ringer mode adjustments that would toggle Do Not Disturb are not allowed unless the app has been granted Do Not Disturb Access. See NotificationManager#isNotificationPolicyAccessGranted().

Parameters
ringerMode Int: The ringer mode, one of RINGER_MODE_NORMAL, RINGER_MODE_SILENT, or RINGER_MODE_VIBRATE.

setRouting

Added in API level 1
Deprecated in API level 15
open fun setRouting(
    mode: Int,
    routes: Int,
    mask: Int
): Unit

Deprecated: Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.

Sets the audio routing for a specified mode

Parameters
mode Int: audio mode to change route. E.g., MODE_RINGTONE.
routes Int: bit vector of routes requested, created from one or more of ROUTE_xxx types. Set bits indicate that route should be on
mask Int: bit vector of routes to change, created from one or more of ROUTE_xxx types. Unset bits indicate the route should be left unchanged

setSpeakerphoneOn

Added in API level 1
Deprecated in API level 34
open fun setSpeakerphoneOn(on: Boolean): Unit

Deprecated: Use AudioManager#setCommunicationDevice(AudioDeviceInfo) or AudioManager#clearCommunicationDevice() instead.

Sets the speakerphone on or off.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

Parameters
on Boolean: set true to turn on speakerphone; false to turn it off

setStreamMute

Added in API level 1
Deprecated in API level 23
open fun setStreamMute(
    streamType: Int,
    state: Boolean
): Unit

Deprecated: Use adjustStreamVolume(int,int,int) with ADJUST_MUTE or ADJUST_UNMUTE instead.

Mute or unmute an audio stream.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed().

This method was deprecated in API level 22. Prior to API level 22 this method had significantly different behavior and should be used carefully. The following applies only to pre-22 platforms:

  • 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.
  • 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.
  • For a better user experience, applications MUST unmute a muted stream in onPause() and mute is again in onResume() if appropriate.
Parameters
streamType Int: The stream to be muted/unmuted.
state Boolean: The required mute state: true for mute ON, false for mute OFF

See Also

setStreamSolo

Added in API level 1
Deprecated in API level 23
open fun setStreamSolo(
    streamType: Int,
    state: Boolean
): Unit

Deprecated: Do not use. If you need exclusive audio playback use #requestAudioFocus.

Solo or unsolo a particular stream.

Do not use. This method has been deprecated and is now a no-op. #requestAudioFocus should be used for exclusive audio playback.

Parameters
streamType Int: The stream to be soloed/unsoloed.
state Boolean: The required solo state: true for solo ON, false for solo OFF

See Also

setStreamVolume

Added in API level 1
open fun setStreamVolume(
    streamType: Int,
    index: Int,
    flags: Int
): Unit

Sets the volume index for a particular stream.

This method has no effect if the device implements a fixed volume policy as indicated by isVolumeFixed().

From N onward, volume adjustments that would toggle Do Not Disturb are not allowed unless the app has been granted Do Not Disturb Access. See NotificationManager#isNotificationPolicyAccessGranted().

Parameters
streamType Int: The stream whose volume index should be set.
index Int: The volume index to set. See getStreamMaxVolume(int) for the largest valid value.
flags Int: Value is either 0 or a combination of android.media.AudioManager#FLAG_SHOW_UI, android.media.AudioManager#FLAG_ALLOW_RINGER_MODES, android.media.AudioManager#FLAG_PLAY_SOUND, android.media.AudioManager#FLAG_REMOVE_SOUND_AND_VIBRATE, and android.media.AudioManager#FLAG_VIBRATE
Exceptions
java.lang.SecurityException if the volume change triggers a Do Not Disturb change and the caller is not granted notification policy access.

setSurroundFormatEnabled

Added in API level 31
open fun setSurroundFormatEnabled(
    audioFormat: Int,
    enabled: Boolean
): Boolean

Sets and persists a certain surround format as enabled or not.

This API is called by TvSettings surround sound menu when user enables or disables a surround sound format. This setting is persisted as global user setting. Applications should revert their changes to surround sound settings unless they intend to modify the global user settings across all apps. The framework does not auto-revert an application's settings after a lifecycle event. Audio focus is not required to apply these settings.
Requires android.Manifest.permission#WRITE_SETTINGS

Parameters
enabled Boolean: the required surround format state, true for enabled, false for disabled
audioFormat Int: Value is android.media.AudioFormat#ENCODING_AC3, android.media.AudioFormat#ENCODING_E_AC3, android.media.AudioFormat#ENCODING_DTS, android.media.AudioFormat#ENCODING_DTS_HD, android.media.AudioFormat#ENCODING_AAC_LC, android.media.AudioFormat#ENCODING_DOLBY_TRUEHD, android.media.AudioFormat#ENCODING_AC4, android.media.AudioFormat#ENCODING_E_AC3_JOC, android.media.AudioFormat#ENCODING_DOLBY_MAT, android.media.AudioFormat#ENCODING_MPEGH_BL_L3, android.media.AudioFormat#ENCODING_MPEGH_BL_L4, android.media.AudioFormat#ENCODING_MPEGH_LC_L3, android.media.AudioFormat#ENCODING_MPEGH_LC_L4, android.media.AudioFormat#ENCODING_DTS_UHD_P1, android.media.AudioFormat#ENCODING_DRA, android.media.AudioFormat#ENCODING_DTS_HD_MA, or android.media.AudioFormat#ENCODING_DTS_UHD_P2
Return
Boolean true if successful, otherwise false

setVibrateSetting

Added in API level 1
Deprecated in API level 16
open fun setVibrateSetting(
    vibrateType: Int,
    vibrateSetting: Int
): Unit

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Sets the setting for when the vibrate type should vibrate.

This method should only be used by applications that replace the platform-wide management of audio settings or the main telephony application.

Parameters
vibrateType Int: The type of vibrate. One of VIBRATE_TYPE_NOTIFICATION or VIBRATE_TYPE_RINGER.
vibrateSetting Int: The vibrate setting, one of VIBRATE_SETTING_ON, VIBRATE_SETTING_OFF, or VIBRATE_SETTING_ONLY_SILENT.

setWiredHeadsetOn

Added in API level 5
Deprecated in API level 15
open fun setWiredHeadsetOn(on: Boolean): Unit

Deprecated: Do not use.

Sets audio routing to the wired headset on or off.

Parameters
on Boolean: set true to route audio to/from wired headset; false disable wired headset audio

shouldVibrate

Added in API level 1
Deprecated in API level 16
open fun shouldVibrate(vibrateType: Int): Boolean

Deprecated: Applications should maintain their own vibrate policy based on current ringer mode that can be queried via getRingerMode().

Returns whether a particular type should vibrate according to user settings and the current ringer mode.

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.

Parameters
vibrateType Int: The type of vibrate. One of VIBRATE_TYPE_NOTIFICATION or VIBRATE_TYPE_RINGER.
Return
Boolean Whether the type should vibrate at the instant this method is called.

startBluetoothSco

Added in API level 8
Deprecated in API level 34
open fun startBluetoothSco(): Unit

Deprecated: Use AudioManager#setCommunicationDevice(AudioDeviceInfo) instead.

Start bluetooth SCO audio connection.

Requires Permission: Manifest.permission#MODIFY_AUDIO_SETTINGS.

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.

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 ACTION_SCO_AUDIO_STATE_UPDATED and wait for the state to be SCO_AUDIO_STATE_CONNECTED.

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.

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).

When finished with the SCO connection or if the establishment fails, the application must call stopBluetoothSco() to clear the request and turn down the bluetooth connection.

Even if a SCO connection is established, the following restrictions apply on audio output streams so that they can be routed to SCO headset:

  • the stream type must be STREAM_VOICE_CALL
  • the format must be mono
  • the sampling must be 16kHz or 8kHz

The following restrictions apply on input streams:

  • the format must be mono
  • the sampling must be 8kHz

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.

NOTE: up to and including API version android.os.Build.VERSION_CODES#JELLY_BEAN_MR1, this method initiates a virtual voice call to the bluetooth headset. After API version android.os.Build.VERSION_CODES#JELLY_BEAN_MR2 only a raw SCO audio connection is established.

stopBluetoothSco

Added in API level 8
Deprecated in API level 34
open fun stopBluetoothSco(): Unit

Deprecated: Use AudioManager#clearCommunicationDevice() instead.

Stop bluetooth SCO audio connection.

Requires Permission: Manifest.permission#MODIFY_AUDIO_SETTINGS.

This method must be called by applications having requested the use of bluetooth SCO audio with startBluetoothSco() when finished with the SCO connection or if connection fails.

unloadSoundEffects

Added in API level 1
open fun unloadSoundEffects(): Unit

Unload Sound effects. This method can be called to free some memory when sound effects are disabled.

unregisterAudioDeviceCallback

Added in API level 23
open fun unregisterAudioDeviceCallback(callback: AudioDeviceCallback!): Unit

Unregisters an AudioDeviceCallback object which has been previously registered to receive notifications of changes to the set of connected audio devices.

Parameters
callback AudioDeviceCallback!: The AudioDeviceCallback object that was previously registered with AudioManager#registerAudioDeviceCallback to be unregistered.

unregisterAudioPlaybackCallback

Added in API level 26
open fun unregisterAudioPlaybackCallback(cb: AudioManager.AudioPlaybackCallback): Unit

Unregister an audio playback callback previously registered with registerAudioPlaybackCallback(android.media.AudioManager.AudioPlaybackCallback,android.os.Handler).

Parameters
cb AudioManager.AudioPlaybackCallback: non-null callback to unregister

unregisterAudioRecordingCallback

Added in API level 24
open fun unregisterAudioRecordingCallback(cb: AudioManager.AudioRecordingCallback): Unit

Unregister an audio recording callback previously registered with registerAudioRecordingCallback(android.media.AudioManager.AudioRecordingCallback,android.os.Handler).

Parameters
cb AudioManager.AudioRecordingCallback: non-null callback to unregister

unregisterMediaButtonEventReceiver

Added in API level 8
Deprecated in API level 21
open fun unregisterMediaButtonEventReceiver(eventReceiver: ComponentName!): Unit

Deprecated: Use MediaSession instead.

Unregister the receiver of MEDIA_BUTTON intents.

Parameters
eventReceiver ComponentName!: identifier of a android.content.BroadcastReceiver that was registered with registerMediaButtonEventReceiver(android.content.ComponentName).

unregisterMediaButtonEventReceiver

Added in API level 18
Deprecated in API level 21
open fun unregisterMediaButtonEventReceiver(eventReceiver: PendingIntent!): Unit

Deprecated: Use MediaSession instead.

Unregister the receiver of MEDIA_BUTTON intents.

Parameters
eventReceiver PendingIntent!: same PendingIntent that was registed with registerMediaButtonEventReceiver(android.app.PendingIntent).

unregisterRemoteControlClient

Added in API level 14
Deprecated in API level 21
open fun unregisterRemoteControlClient(rcClient: RemoteControlClient!): Unit

Deprecated: Use MediaSession instead.

Unregisters the remote control client that was providing information to display on the remote controls.

Parameters
rcClient RemoteControlClient!: The remote control client to unregister.

unregisterRemoteController

Added in API level 19
Deprecated in API level 21
open fun unregisterRemoteController(rctlr: RemoteController!): Unit

Deprecated: Use MediaSessionManager#removeOnActiveSessionsChangedListener(android.media.session.MediaSessionManager.OnActiveSessionsChangedListener) instead.

Unregisters a RemoteController, causing it to no longer receive media metadata and playback state information, and no longer be capable of controlling playback.

Parameters
rctlr RemoteController!: the object to unregister.