Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Constants](https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#constants) \| [Inherited Constants](https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#inhconstants) \| [Methods](https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#inhmethods)

# BluetoothA2dp

*** ** * ** ***


`
public

final

class
BluetoothA2dp
`


`

extends https://developer.android.com/reference/java/lang/Object


`

`


implements

https://developer.android.com/reference/android/bluetooth/BluetoothProfile


`

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.bluetooth.BluetoothA2dp |

<br />

*** ** * ** ***

This class provides the public APIs to control the Bluetooth A2DP profile.

BluetoothA2dp is a proxy object for controlling the Bluetooth A2DP Service via IPC. Use `https://developer.android.com/reference/android/bluetooth/BluetoothAdapter#getProfileProxy(android.content.Context,%20android.bluetooth.BluetoothProfile.ServiceListener,%20int)` to get the BluetoothA2dp proxy object.

Android only supports one connected Bluetooth A2dp device at a time. Each method is protected
with its appropriate permission.

## Summary

| ### Constants ||
|---|---|
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_CONNECTION_STATE_CHANGED` Intent used to broadcast the change in connection state of the A2DP profile. |
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_PLAYING_STATE_CHANGED` Intent used to broadcast the change in the Playing state of the A2DP profile. |
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#EXTRA_DISCONNECTED_REASON` Used as an int extra field in `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_CONNECTION_STATE_CHANGED` intents for connection failure reason. |
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#STATE_NOT_PLAYING` A2DP sink device is NOT streaming music. |
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#STATE_PLAYING` A2DP sink device is streaming music. |

### Inherited constants

From interface `https://developer.android.com/reference/android/bluetooth/BluetoothProfile` `int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#A2DP`

Advanced Audio Distribution Profile (A2DP)


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#CSIP_SET_COORDINATOR`

Coordinated Set Identification Profile (CSIP) set coordinator


`https://developer.android.com/reference/java/lang/String` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE`

Extra for the connection state intents of the individual profiles.


`https://developer.android.com/reference/java/lang/String` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PROFILE`

Extra for the `https://developer.android.com/reference/android/bluetooth/BluetoothProfile` that the intent applies to.


`https://developer.android.com/reference/java/lang/String` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE`

Extra for the connection state intents of the individual profiles.


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#GATT`

Generic Attribute Profile (GATT)


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#GATT_SERVER`

Generic Attribute Profile (GATT) Server


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#HAP_CLIENT`


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#HEADSET`

Headset and Handsfree profile


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#HEALTH`

*This constant was deprecated
in API level 29.
Health Device Profile (HDP) and MCAP protocol are no longer used. New apps should
use Bluetooth Low Energy based solutions such as `https://developer.android.com/reference/android/bluetooth/BluetoothGatt`, `https://developer.android.com/reference/android/bluetooth/BluetoothAdapter#listenUsingL2capChannel()`, or `https://developer.android.com/reference/android/bluetooth/BluetoothDevice#createL2capChannel(int)`*


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#HEARING_AID`

Hearing Aid Device


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#HID_DEVICE`

Human Interface Device (HID) Device


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#LE_AUDIO`

LE Audio Device


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#SAP`

SIM Access Profile (SAP)


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`

The profile is in connected state


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTING`

The profile is in connecting state


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTED`

The profile is in disconnected state


`int` `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTING`

The profile is in disconnecting state


| ### Public methods ||
|---|---|
| ` void` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#finalize()() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. |
| ` https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#getConnectedDevices()() ` Get connected devices for this specific profile. For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`. |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#getConnectionState(android.bluetooth.BluetoothDevice)(https://developer.android.com/reference/android/bluetooth/BluetoothDevice device) ` Get the current connection state of the profile For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`. |
| ` https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#getDevicesMatchingConnectionStates(int[])(int[] states) ` Get a list of devices that match any of the given connection states. For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`. |
| ` https://developer.android.com/reference/java/util/Collection<https://developer.android.com/reference/android/bluetooth/BluetoothCodecType>` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#getSupportedCodecTypes()() ` Returns the list of source codecs that are supported by the current platform. |
| ` boolean` | ` https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#isA2dpPlaying(android.bluetooth.BluetoothDevice)(https://developer.android.com/reference/android/bluetooth/BluetoothDevice device) ` Check if A2DP profile is streaming music. |

### Inherited methods

From class `

https://developer.android.com/reference/java/lang/Object

` `


https://developer.android.com/reference/java/lang/Object` `
https://developer.android.com/reference/java/lang/Object#clone()()
`

Creates and returns a copy of this object.


`


boolean` `
https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj)
`

Indicates whether some other object is "equal to" this one.


`


void` `
https://developer.android.com/reference/java/lang/Object#finalize()()
`

Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.


`


final

https://developer.android.com/reference/java/lang/Class<?>` `
https://developer.android.com/reference/java/lang/Object#getClass()()
`

Returns the runtime class of this `Object`.


`


int` `
https://developer.android.com/reference/java/lang/Object#hashCode()()
`

Returns a hash code value for the object.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#notify()()
`

Wakes up a single thread that is waiting on this object's
monitor.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#notifyAll()()
`

Wakes up all threads that are waiting on this object's monitor.


`


https://developer.android.com/reference/java/lang/String` `
https://developer.android.com/reference/java/lang/Object#toString()()
`

Returns a string representation of the object.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos)
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*, or until a
certain amount of real time has elapsed.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis)
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*, or until a
certain amount of real time has elapsed.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait()()
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*.


From interface `

https://developer.android.com/reference/android/bluetooth/BluetoothProfile

` `
abstract


https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` `
https://developer.android.com/reference/android/bluetooth/BluetoothProfile#getConnectedDevices()()
`

Get connected devices for this specific profile.


`
abstract


int` `
https://developer.android.com/reference/android/bluetooth/BluetoothProfile#getConnectionState(android.bluetooth.BluetoothDevice)(https://developer.android.com/reference/android/bluetooth/BluetoothDevice device)
`

Get the current connection state of the profile


`
abstract


https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` `
https://developer.android.com/reference/android/bluetooth/BluetoothProfile#getDevicesMatchingConnectionStates(int[])(int[] states)
`

Get a list of devices that match any of the given connection states.


## Constants

### ACTION_CONNECTION_STATE_CHANGED

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String ACTION_CONNECTION_STATE_CHANGED
```

Intent used to broadcast the change in connection state of the A2DP profile.

This intent will have the following extras:

- `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` - The current state of the profile.
- `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE`- The previous state of the profile.
- `https://developer.android.com/reference/android/bluetooth/BluetoothDevice#EXTRA_DEVICE` - The remote device.
- `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#EXTRA_DISCONNECTED_REASON` - The reason for the profile disconnection in case the new state is `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTED`.
- `https://developer.android.com/reference/android/bluetooth/BluetoothDevice#EXTRA_CLASS` - The class of the remote device, if available, when the new state is `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`.
- `https://developer.android.com/reference/android/bluetooth/BluetoothDevice#EXTRA_LE_APPEARANCE` - The LE appearance of the remote device, if available, when the new state is `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`.

`https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` or `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE` can be any of `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTED`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTING`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTING`.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#R` or lower, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH` permission which can be gained with a simple `<uses-permission>` manifest tag.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

Constant Value:

"android.bluetooth.a2dp.profile.action.CONNECTION_STATE_CHANGED"


### ACTION_PLAYING_STATE_CHANGED

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String ACTION_PLAYING_STATE_CHANGED
```

Intent used to broadcast the change in the Playing state of the A2DP profile.

This intent will have 3 extras:

- `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` - The current state of the profile.
- `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE`- The previous state of the profile.
- `https://developer.android.com/reference/android/bluetooth/BluetoothDevice#EXTRA_DEVICE` - The remote device.

`https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` or `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE` can be any of `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#STATE_PLAYING`, `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#STATE_NOT_PLAYING`,.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#R` or lower, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH` permission which can be gained with a simple `<uses-permission>` manifest tag.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

Constant Value:

"android.bluetooth.a2dp.profile.action.PLAYING_STATE_CHANGED"


### EXTRA_DISCONNECTED_REASON

Added in [API level 37](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String EXTRA_DISCONNECTED_REASON
```

Used as an int extra field in `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_CONNECTION_STATE_CHANGED` intents
for connection failure reason. The value is one of

- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#SUCCESS`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_UNKNOWN`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_INSUFFICIENT_RESOURCES`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_SDP_DISCOVERY_FAILED`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_STREAM_CONNECTION_FAILED`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_ROLE_SWITCH_FAILED`,
- `https://developer.android.com/reference/android/bluetooth/BluetoothStatusCodes#ERROR_AVDTP_DISCOVERY_FAILED`.

<br />

<br />

Constant Value:

"android.bluetooth.a2dp.extra.DISCONNECTED_REASON"


### STATE_NOT_PLAYING

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int STATE_NOT_PLAYING
```

A2DP sink device is NOT streaming music. This state can be one of `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` or
`https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE` of `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_PLAYING_STATE_CHANGED` intent.

<br />

Constant Value:

11
(0x0000000b)


### STATE_PLAYING

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int STATE_PLAYING
```

A2DP sink device is streaming music. This state can be one of `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_STATE` or `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#EXTRA_PREVIOUS_STATE` of `https://developer.android.com/reference/android/bluetooth/BluetoothA2dp#ACTION_PLAYING_STATE_CHANGED` intent.

<br />

Constant Value:

10
(0x0000000a)


## Public methods

### finalize

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void finalize ()
```

Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
A subclass overrides the `finalize` method to dispose of
system resources or to perform other cleanup.


The general contract of `finalize` is that it is invoked
if and when the Java virtual
machine has determined that there is no longer any
means by which this object can be accessed by any thread that has
not yet died, except as a result of an action taken by the
finalization of some other object or class which is ready to be
finalized. The `finalize` method may take any action, including
making this object available again to other threads; the usual purpose
of `finalize`, however, is to perform cleanup actions before
the object is irrevocably discarded. For example, the finalize method
for an object that represents an input/output connection might perform
explicit I/O transactions to break the connection before the object is
permanently discarded.


The `finalize` method of class `Object` performs no
special action; it simply returns normally. Subclasses of
`Object` may override this definition.


The Java programming language does not guarantee which thread will
invoke the `finalize` method for any given object. It is
guaranteed, however, that the thread that invokes finalize will not
be holding any user-visible synchronization locks when finalize is
invoked. If an uncaught exception is thrown by the finalize method,
the exception is ignored and finalization of that object terminates.


After the `finalize` method has been invoked for an object, no
further action is taken until the Java virtual machine has again
determined that there is no longer any means by which this object can
be accessed by any thread that has not yet died, including possible
actions by other objects or classes which are ready to be finalized,
at which point the object may be discarded.


The `finalize` method is never invoked more than once by a Java
virtual machine for any given object.


Any exception thrown by the `finalize` method causes
the finalization of this object to be halted, but is otherwise
ignored.

<br />

### getConnectedDevices

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public List<BluetoothDevice> getConnectedDevices ()
```

Get connected devices for this specific profile.

Return the set of devices which are in state `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` | List of devices. The list will be empty on error. <br /> |

### getConnectionState

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getConnectionState (BluetoothDevice device)
```

Get the current connection state of the profile


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

| Parameters ||
|---|---|
| `device` | `BluetoothDevice`: Remote bluetooth device. <br /> |

| Returns ||
|---|---|
| `int` | Value is one of the following: - `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTED` - `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTING` - `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED` - `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTING` |

### getDevicesMatchingConnectionStates

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public List<BluetoothDevice> getDevicesMatchingConnectionStates (int[] states)
```

Get a list of devices that match any of the given connection states.

If none of the devices match any of the given states, an empty list will be returned.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

| Parameters ||
|---|---|
| `states` | `int`: Array of states. States can be one of `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTED`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_CONNECTING`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTED`, `https://developer.android.com/reference/android/bluetooth/BluetoothProfile#STATE_DISCONNECTING`, <br /> |

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/bluetooth/BluetoothDevice>` | List of devices. The list will be empty on error. <br /> |

### getSupportedCodecTypes

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public Collection<BluetoothCodecType> getSupportedCodecTypes ()
```

Returns the list of source codecs that are supported by the current platform.

The list always includes the mandatory SBC codec, and may include optional proprietary
codecs.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#R` or lower, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH` permission which can be gained with a simple `<uses-permission>` manifest tag.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_PRIVILEGED`

<br />

| Returns ||
|---|---|
| `https://developer.android.com/reference/java/util/Collection<https://developer.android.com/reference/android/bluetooth/BluetoothCodecType>` | list of supported source codec types. This value cannot be `null`. <br /> |

### isA2dpPlaying

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public boolean isA2dpPlaying (BluetoothDevice device)
```

Check if A2DP profile is streaming music.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#R` or lower, this requires the `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH` permission which can be gained with a simple `<uses-permission>` manifest tag.


For apps targeting `https://developer.android.com/reference/android/os/Build.VERSION_CODES#S` or or higher, this requires the
`https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT` permission which can be gained with `https://developer.android.com/reference/android/app/Activity#requestPermissions(java.lang.String[],%20int)`.


Requires `https://developer.android.com/reference/android/Manifest.permission#BLUETOOTH_CONNECT`

<br />

| Parameters ||
|---|---|
| `device` | `BluetoothDevice`: BluetoothDevice device <br /> |

| Returns ||
|---|---|
| `boolean` | <br /> |