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Commit be39b604 authored by Grzegorz Kołodziejczyk's avatar Grzegorz Kołodziejczyk Committed by Jakub Pawlowski
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le_audio: Introduce connection state handling for LE Audio group 

Patch implements connection state handling for LE Audio device group.

Tag: #feature
Test: Set LE audio device as active
Sponsor: jpawlowski@
Bug: 150670922
Merged-In: I11222ca07e265ac8b6dc3c21650874ebeffa473c
Change-Id: I11222ca07e265ac8b6dc3c21650874ebeffa473c
parent 30e401f9

framework/java/android/bluetooth/BluetoothLeAudio.java

+136 −6
Original line number Diff line number Diff line
@@ -65,9 +65,6 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
     * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of

     * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},

     * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.

     *

     * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to

     * receive.

     */

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED =
@@ -82,15 +79,83 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
     * be null if no device is active. </li>

     * </ul>

     *

     * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to

     * receive.

     *

     * @hide

     */

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED =

            "android.bluetooth.action.LE_AUDIO_ACTIVE_DEVICE_CHANGED";



    /**

     * Intent used to broadcast group node status information.

     *

     * <p>This intent will have 3 extra:

     * <ul>

     * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can

     * be null if no device is active. </li>

     * <li> {@link #EXTRA_LE_AUDIO_GROUP_ID} - Group id. </li>

     * <li> {@link #EXTRA_LE_AUDIO_GROUP_NODE_STATUS} - Group node status. </li>

     * </ul>

     *

     * @hide

     */

    @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED =

            "android.bluetooth.action.LE_AUDIO_GROUP_NODE_STATUS_CHANGED";





    /**

     * Intent used to broadcast group status information.

     *

     * <p>This intent will have 4 extra:

     * <ul>

     * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can

     * be null if no device is active. </li>

     * <li> {@link #EXTRA_LE_AUDIO_GROUP_ID} - Group id. </li>

     * <li> {@link #EXTRA_LE_AUDIO_GROUP_STATUS} - Group status. </li>

     * </ul>

     *

     * @hide

     */

    @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_LE_AUDIO_GROUP_STATUS_CHANGED =

            "android.bluetooth.action.LE_AUDIO_GROUP_STATUS_CHANGED";



    /**

     * Intent used to broadcast group audio configuration changed information.

     *

     * <p>This intent will have 5 extra:

     * <ul>

     * <li> {@link #EXTRA_LE_AUDIO_GROUP_ID} - Group id. </li>

     * <li> {@link #EXTRA_LE_AUDIO_DIRECTION} - Direction as bit mask. </li>

     * <li> {@link #EXTRA_LE_AUDIO_SINK_LOCATION} - Sink location as per Bluetooth Assigned

     * Numbers </li>

     * <li> {@link #EXTRA_LE_AUDIO_SOURCE_LOCATION} - Source location as per Bluetooth Assigned

     * Numbers </li>

     * <li> {@link #EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS} - Available contexts for group as per

     * Bluetooth Assigned Numbers </li>

     * </ul>

     *

     * @hide

     */

    @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_LE_AUDIO_CONF_CHANGED =

            "android.bluetooth.action.LE_AUDIO_CONF_CHANGED";



    /**

     * Indicates conversation between humans as, for example, in telephony or video calls.

     * @hide

     */

    public static final int CONTEXT_TYPE_COMMUNICATION = 0x0002;



    /**

     * Indicates media as, for example, in music, public radio, podcast or video soundtrack.

     * @hide

     */

    public static final int CONTEXT_TYPE_MEDIA = 0x0004;



    /**

     * This represents an invalid group ID.

     *
@@ -98,6 +163,71 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
     */

    public static final int GROUP_ID_INVALID = IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID;



    /**

     * Contains group id.

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_GROUP_ID =

            "android.bluetooth.extra.LE_AUDIO_GROUP_ID";



    /**

     * Contains group node status, can be any of

     * <p>

     * <ul>

     * <li> {@link #GROUP_NODE_ADDED} </li>

     * <li> {@link #GROUP_NODE_REMOVED} </li>

     * </ul>

     * <p>

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_GROUP_NODE_STATUS =

            "android.bluetooth.extra.LE_AUDIO_GROUP_NODE_STATUS";



    /**

     * Contains group status, can be any of

     *

     * <p>

     * <ul>

     * <li> {@link #GROUP_STATUS_IDLE} </li>

     * <li> {@link #GROUP_STATUS_STREAMING} </li>

     * <li> {@link #GROUP_STATUS_SUSPENDED} </li>

     * <li> {@link #GROUP_STATUS_RECONFIGURED} </li>

     * <li> {@link #GROUP_STATUS_DESTROYED} </li>

     * </ul>

     * <p>

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_GROUP_STATUS =

            "android.bluetooth.extra.LE_AUDIO_GROUP_STATUS";



    /**

     * Contains bit mask for direction, bit 0 set when Sink, bit 1 set when Source.

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_DIRECTION =

            "android.bluetooth.extra.LE_AUDIO_DIRECTION";



    /**

     * Contains source location as per Bluetooth Assigned Numbers

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_SOURCE_LOCATION =

            "android.bluetooth.extra.LE_AUDIO_SOURCE_LOCATION";



    /**

     * Contains sink location as per Bluetooth Assigned Numbers

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_SINK_LOCATION =

            "android.bluetooth.extra.LE_AUDIO_SINK_LOCATION";



    /**

     * Contains available context types for group as per Bluetooth Assigned Numbers

     * @hide

     */

    public static final String EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS =

            "android.bluetooth.extra.LE_AUDIO_AVAILABLE_CONTEXTS";



    private BluetoothAdapter mAdapter;

    private final BluetoothProfileConnector<IBluetoothLeAudio> mProfileConnector =

            new BluetoothProfileConnector(this, BluetoothProfile.LE_AUDIO, "BluetoothLeAudio",