Migrating frameworks/base BT files

Bug: 206121418
Test: Compile
Change-Id: Idb55371e9d678296fe46e5f4231ec2d12ec8b978

1 files changed, 0 insertions, 829 deletions

diff --git a/core/java/android/bluetooth/BluetoothLeAudio.java b/core/java/android/bluetooth/BluetoothLeAudio.java
deleted file mode 100644
index 15db686b3be4..000000000000
--- a/core/java/android/bluetooth/BluetoothLeAudio.java
+++ /dev/null
@@ -1,829 +0,0 @@
-/*
- * Copyright 2020 HIMSA II K/S - www.himsa.com.
- * Represented by EHIMA - www.ehima.com
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.bluetooth;
-
-import static android.bluetooth.BluetoothUtils.getSyncTimeout;
-
-import android.Manifest;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-import android.annotation.RequiresPermission;
-import android.annotation.SdkConstant;
-import android.annotation.SdkConstant.SdkConstantType;
-import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
-import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
-import android.content.AttributionSource;
-import android.content.Context;
-import android.os.IBinder;
-import android.os.RemoteException;
-import android.util.CloseGuard;
-import android.util.Log;
-
-import com.android.modules.utils.SynchronousResultReceiver;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.TimeoutException;
-
-/**
- * This class provides the public APIs to control the LeAudio profile.
- *
- * <p>BluetoothLeAudio is a proxy object for controlling the Bluetooth LE Audio
- * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
- * the BluetoothLeAudio proxy object.
- *
- * <p> Android only supports one set of connected Bluetooth LeAudio device at a time. Each
- * method is protected with its appropriate permission.
- */
-public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
-    private static final String TAG = "BluetoothLeAudio";
-    private static final boolean DBG = false;
-    private static final boolean VDBG = false;
-
-    private CloseGuard mCloseGuard;
-
-    /**
-     * Intent used to broadcast the change in connection state of the LeAudio
-     * profile. Please note that in the binaural case, there will be two different LE devices for
-     * the left and right side and each device will have their own connection state changes.
-     *
-     * <p>This intent will have 3 extras:
-     * <ul>
-     * <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
-     * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
-     * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
-     * </ul>
-     *
-     * <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}.
-     */
-    @RequiresLegacyBluetoothPermission
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
-    public static final String ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED =
-            "android.bluetooth.action.LE_AUDIO_CONNECTION_STATE_CHANGED";
-
-    /**
-     * Intent used to broadcast the selection of a connected device as active.
-     *
-     * <p>This intent will have one extra:
-     * <ul>
-     * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can
-     * be null if no device is active. </li>
-     * </ul>
-     *
-     * @hide
-     */
-    @RequiresLegacyBluetoothPermission
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    @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 unspecified audio content.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_UNSPECIFIED = 0x0001;
-
-    /**
-     * 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;
-
-    /**
-     * Indicates instructional audio as, for example, in navigation, traffic announcements
-     * or user guidance.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_INSTRUCTIONAL = 0x0008;
-
-    /**
-     * Indicates attention seeking audio as, for example, in beeps signalling arrival of a message
-     * or keyboard clicks.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_ATTENTION_SEEKING = 0x0010;
-
-    /**
-     * Indicates immediate alerts as, for example, in a low battery alarm, timer expiry or alarm
-     * clock.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_IMMEDIATE_ALERT = 0x0020;
-
-    /**
-     * Indicates man machine communication as, for example, with voice recognition or virtual
-     * assistant.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_MAN_MACHINE = 0x0040;
-
-    /**
-     * Indicates emergency alerts as, for example, with fire alarms or other urgent alerts.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_EMERGENCY_ALERT = 0x0080;
-
-    /**
-     * Indicates ringtone as in a call alert.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_RINGTONE = 0x0100;
-
-    /**
-     * Indicates audio associated with a television program and/or with metadata conforming to the
-     * Bluetooth Broadcast TV profile.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_TV = 0x0200;
-
-    /**
-     * Indicates audio associated with a low latency live audio stream.
-     *
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_LIVE = 0x0400;
-
-    /**
-     * Indicates audio associated with a video game stream.
-     * @hide
-     */
-    public static final int CONTEXT_TYPE_GAME = 0x0800;
-
-    /**
-     * This represents an invalid group ID.
-     *
-     * @hide
-     */
-    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_ACTIVE} </li>
-     * <li> {@link #GROUP_STATUS_INACTIVE} </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 final BluetoothAdapter mAdapter;
-    private final AttributionSource mAttributionSource;
-    /**
-     * Indicating that group is Active ( Audio device is available )
-     * @hide
-     */
-    public static final int GROUP_STATUS_ACTIVE = IBluetoothLeAudio.GROUP_STATUS_ACTIVE;
-
-    /**
-     * Indicating that group is Inactive ( Audio device is not available )
-     * @hide
-     */
-    public static final int GROUP_STATUS_INACTIVE = IBluetoothLeAudio.GROUP_STATUS_INACTIVE;
-
-    /**
-     * Indicating that node has been added to the group.
-     * @hide
-     */
-    public static final int GROUP_NODE_ADDED = IBluetoothLeAudio.GROUP_NODE_ADDED;
-
-    /**
-     * Indicating that node has been removed from the group.
-     * @hide
-     */
-    public static final int GROUP_NODE_REMOVED = IBluetoothLeAudio.GROUP_NODE_REMOVED;
-
-    private final BluetoothProfileConnector<IBluetoothLeAudio> mProfileConnector =
-            new BluetoothProfileConnector(this, BluetoothProfile.LE_AUDIO, "BluetoothLeAudio",
-                    IBluetoothLeAudio.class.getName()) {
-                @Override
-                public IBluetoothLeAudio getServiceInterface(IBinder service) {
-                    return IBluetoothLeAudio.Stub.asInterface(service);
-                }
-    };
-
-    /**
-     * Create a BluetoothLeAudio proxy object for interacting with the local
-     * Bluetooth LeAudio service.
-     */
-    /* package */ BluetoothLeAudio(Context context, ServiceListener listener,
-            BluetoothAdapter adapter) {
-        mAdapter = adapter;
-        mAttributionSource = adapter.getAttributionSource();
-        mProfileConnector.connect(context, listener);
-        mCloseGuard = new CloseGuard();
-        mCloseGuard.open("close");
-    }
-
-    /**
-     * @hide
-     */
-    public void close() {
-        mProfileConnector.disconnect();
-    }
-
-    private IBluetoothLeAudio getService() {
-        return mProfileConnector.getService();
-    }
-
-    protected void finalize() {
-        if (mCloseGuard != null) {
-            mCloseGuard.warnIfOpen();
-        }
-        close();
-    }
-
-    /**
-     * Initiate connection to a profile of the remote bluetooth device.
-     *
-     * <p> This API returns false in scenarios like the profile on the
-     * device is already connected or Bluetooth is not turned on.
-     * When this API returns true, it is guaranteed that
-     * connection state intent for the profile will be broadcasted with
-     * the state. Users can get the connection state of the profile
-     * from this intent.
-     *
-     *
-     * @param device Remote Bluetooth Device
-     * @return false on immediate error, true otherwise
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public boolean connect(@Nullable BluetoothDevice device) {
-        if (DBG) log("connect(" + device + ")");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && isValidDevice(device)) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.connect(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Initiate disconnection from a profile
-     *
-     * <p> This API will return false in scenarios like the profile on the
-     * Bluetooth device is not in connected state etc. When this API returns,
-     * true, it is guaranteed that the connection state change
-     * intent will be broadcasted with the state. Users can get the
-     * disconnection state of the profile from this intent.
-     *
-     * <p> If the disconnection is initiated by a remote device, the state
-     * will transition from {@link #STATE_CONNECTED} to
-     * {@link #STATE_DISCONNECTED}. If the disconnect is initiated by the
-     * host (local) device the state will transition from
-     * {@link #STATE_CONNECTED} to state {@link #STATE_DISCONNECTING} to
-     * state {@link #STATE_DISCONNECTED}. The transition to
-     * {@link #STATE_DISCONNECTING} can be used to distinguish between the
-     * two scenarios.
-     *
-     *
-     * @param device Remote Bluetooth Device
-     * @return false on immediate error, true otherwise
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public boolean disconnect(@Nullable BluetoothDevice device) {
-        if (DBG) log("disconnect(" + device + ")");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && isValidDevice(device)) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.disconnect(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public @NonNull List<BluetoothDevice> getConnectedDevices() {
-        if (VDBG) log("getConnectedDevices()");
-        final IBluetoothLeAudio service = getService();
-        final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<List<BluetoothDevice>> recv =
-                        new SynchronousResultReceiver();
-                service.getConnectedDevices(mAttributionSource, recv);
-                return Attributable.setAttributionSource(
-                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
-                        mAttributionSource);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public @NonNull List<BluetoothDevice> getDevicesMatchingConnectionStates(
-            @NonNull int[] states) {
-        if (VDBG) log("getDevicesMatchingStates()");
-        final IBluetoothLeAudio service = getService();
-        final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<List<BluetoothDevice>> recv =
-                        new SynchronousResultReceiver();
-                service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
-                return Attributable.setAttributionSource(
-                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
-                        mAttributionSource);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    @RequiresLegacyBluetoothPermission
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public @BtProfileState int getConnectionState(@NonNull BluetoothDevice device) {
-        if (VDBG) log("getState(" + device + ")");
-        final IBluetoothLeAudio service = getService();
-        final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && isValidDevice(device)) {
-            try {
-                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
-                service.getConnectionState(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Select a connected device as active.
-     *
-     * The active device selection is per profile. An active device's
-     * purpose is profile-specific. For example, LeAudio audio
-     * streaming is to the active LeAudio device. If a remote device
-     * is not connected, it cannot be selected as active.
-     *
-     * <p> This API returns false in scenarios like the profile on the
-     * device is not connected or Bluetooth is not turned on.
-     * When this API returns true, it is guaranteed that the
-     * {@link #ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED} intent will be broadcasted
-     * with the active device.
-     *
-     *
-     * @param device the remote Bluetooth device. Could be null to clear
-     * the active device and stop streaming audio to a Bluetooth device.
-     * @return false on immediate error, true otherwise
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public boolean setActiveDevice(@Nullable BluetoothDevice device) {
-        if (DBG) log("setActiveDevice(" + device + ")");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && ((device == null) || isValidDevice(device))) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.setActiveDevice(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Get the connected LeAudio devices that are active
-     *
-     * @return the list of active devices. Returns empty list on error.
-     * @hide
-     */
-    @NonNull
-    @RequiresLegacyBluetoothPermission
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public List<BluetoothDevice> getActiveDevices() {
-        if (VDBG) log("getActiveDevice()");
-        final IBluetoothLeAudio service = getService();
-        final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<List<BluetoothDevice>> recv =
-                        new SynchronousResultReceiver();
-                service.getActiveDevices(mAttributionSource, recv);
-                return Attributable.setAttributionSource(
-                        recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
-                        mAttributionSource);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Get device group id. Devices with same group id belong to same group (i.e left and right
-     * earbud)
-     * @param device LE Audio capable device
-     * @return group id that this device currently belongs to
-     */
-    @RequiresLegacyBluetoothPermission
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public int getGroupId(@NonNull BluetoothDevice device) {
-        if (VDBG) log("getGroupId()");
-        final IBluetoothLeAudio service = getService();
-        final int defaultValue = GROUP_ID_INVALID;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
-                service.getGroupId(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Set volume for the streaming devices
-     *
-     * @param volume volume to set
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED})
-    public void setVolume(int volume) {
-        if (VDBG) log("setVolume(vol: " + volume + " )");
-        final IBluetoothLeAudio service = getService();
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver recv = new SynchronousResultReceiver();
-                service.setVolume(volume, mAttributionSource, recv);
-                recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-    }
-
-    /**
-     * Add device to the given group.
-     * @param group_id group ID the device is being added to
-     * @param device the active device
-     * @return true on success, otherwise false
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(allOf = {
-            android.Manifest.permission.BLUETOOTH_CONNECT,
-            android.Manifest.permission.BLUETOOTH_PRIVILEGED
-    })
-    public boolean groupAddNode(int group_id, @NonNull BluetoothDevice device) {
-        if (VDBG) log("groupAddNode()");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.groupAddNode(group_id, device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Remove device from a given group.
-     * @param group_id group ID the device is being removed from
-     * @param device the active device
-     * @return true on success, otherwise false
-     *
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(allOf = {
-            android.Manifest.permission.BLUETOOTH_CONNECT,
-            android.Manifest.permission.BLUETOOTH_PRIVILEGED
-    })
-    public boolean groupRemoveNode(int group_id, @NonNull BluetoothDevice device) {
-        if (VDBG) log("groupRemoveNode()");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled()) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.groupRemoveNode(group_id, device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Set connection policy of the profile
-     *
-     * <p> The device should already be paired.
-     * Connection policy can be one of {@link #CONNECTION_POLICY_ALLOWED},
-     * {@link #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN}
-     *
-     * @param device Paired bluetooth device
-     * @param connectionPolicy is the connection policy to set to for this profile
-     * @return true if connectionPolicy is set, false on error
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(allOf = {
-            android.Manifest.permission.BLUETOOTH_CONNECT,
-            android.Manifest.permission.BLUETOOTH_PRIVILEGED,
-    })
-    public boolean setConnectionPolicy(@NonNull BluetoothDevice device,
-            @ConnectionPolicy int connectionPolicy) {
-        if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
-        final IBluetoothLeAudio service = getService();
-        final boolean defaultValue = false;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && isValidDevice(device)
-                    && (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
-                        || connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
-            try {
-                final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
-                service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-    /**
-     * Get the connection policy of the profile.
-     *
-     * <p> The connection policy can be any of:
-     * {@link #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN},
-     * {@link #CONNECTION_POLICY_UNKNOWN}
-     *
-     * @param device Bluetooth device
-     * @return connection policy of the device
-     * @hide
-     */
-    @RequiresBluetoothConnectPermission
-    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
-    public @ConnectionPolicy int getConnectionPolicy(@Nullable BluetoothDevice device) {
-        if (VDBG) log("getConnectionPolicy(" + device + ")");
-        final IBluetoothLeAudio service = getService();
-        final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
-        if (service == null) {
-            Log.w(TAG, "Proxy not attached to service");
-            if (DBG) log(Log.getStackTraceString(new Throwable()));
-        } else if (mAdapter.isEnabled() && isValidDevice(device)) {
-            try {
-                final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
-                service.getConnectionPolicy(device, mAttributionSource, recv);
-                return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
-            } catch (RemoteException | TimeoutException e) {
-                Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
-            }
-        }
-        return defaultValue;
-    }
-
-
-    /**
-     * Helper for converting a state to a string.
-     *
-     * For debug use only - strings are not internationalized.
-     *
-     * @hide
-     */
-    public static String stateToString(int state) {
-        switch (state) {
-            case STATE_DISCONNECTED:
-                return "disconnected";
-            case STATE_CONNECTING:
-                return "connecting";
-            case STATE_CONNECTED:
-                return "connected";
-            case STATE_DISCONNECTING:
-                return "disconnecting";
-            default:
-                return "<unknown state " + state + ">";
-        }
-    }
-
-    private boolean isValidDevice(@Nullable BluetoothDevice device) {
-        if (device == null) return false;
-
-        if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true;
-        return false;
-    }
-
-    private static void log(String msg) {
-        Log.d(TAG, msg);
-    }
-}