summaryrefslogtreecommitdiff
path: root/framework/java/android/bluetooth/BluetoothHapClient.java
diff options
context:
space:
mode:
Diffstat (limited to 'framework/java/android/bluetooth/BluetoothHapClient.java')
-rw-r--r--framework/java/android/bluetooth/BluetoothHapClient.java1030
1 files changed, 1030 insertions, 0 deletions
diff --git a/framework/java/android/bluetooth/BluetoothHapClient.java b/framework/java/android/bluetooth/BluetoothHapClient.java
new file mode 100644
index 0000000000..992e906963
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothHapClient.java
@@ -0,0 +1,1030 @@
+/*
+ * Copyright 2021 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.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
+import android.annotation.SdkConstant;
+import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
+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 a public APIs to control the Bluetooth Hearing Access Profile client service.
+ *
+ * <p>BluetoothHapClient is a proxy object for controlling the Bluetooth HAP
+ * Service client via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the
+ * BluetoothHapClient proxy object.
+ */
+public final class BluetoothHapClient implements BluetoothProfile, AutoCloseable {
+ private static final String TAG = "BluetoothHapClient";
+ 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 Hearing Access Profile Client
+ * service. 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}.
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_CONNECTION_STATE_CHANGED =
+ "android.bluetooth.action.HAP_CONNECTION_STATE_CHANGED";
+
+ /**
+ * Intent used to broadcast the device availability change and the availability of its
+ * presets. 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 availability event.
+ *
+ * <p>This intent will have 2 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_FEATURES} - Supported features map. </li>
+ * </ul>
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_DEVICE_AVAILABLE =
+ "android.bluetooth.action.HAP_DEVICE_AVAILABLE";
+
+ /**
+ * Intent used to broadcast HA device's feature set.
+ *
+ * <p>This intent will have 2 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_FEATURES}- The feature set integer with these possible bit numbers
+ * set: {@link #FEATURE_BIT_NUM_TYPE_MONAURAL}, {@link #FEATURE_BIT_NUM_TYPE_BANDED},
+ * {@link #FEATURE_BIT_NUM_SYNCHRONIZATED_PRESETS},
+ * {@link #FEATURE_BIT_NUM_INDEPENDENT_PRESETS}, {@link #FEATURE_BIT_NUM_DYNAMIC_PRESETS},
+ * {@link #FEATURE_BIT_NUM_WRITABLE_PRESETS}.</li>
+ * </ul>
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_DEVICE_FEATURES =
+ "android.bluetooth.action.HAP_ON_DEVICE_FEATURES";
+
+ /**
+ * Intent used to broadcast the change of a HA device's active preset.
+ *
+ * <p>This intent will have 2 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_PRESET_INDEX}- The currently active preset.</li>
+ * </ul>
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_ACTIVE_PRESET =
+ "android.bluetooth.action.HAP_ON_ACTIVE_PRESET";
+
+ /**
+ * Intent used to broadcast the result of a failed preset change attempt.
+ *
+ * <p>This intent will have 2 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_STATUS_CODE}- Failure reason.</li>
+ * </ul>
+ *
+ * <p>{@link #EXTRA_HAP_STATUS_CODE} can be any of {@link #STATUS_INVALID_PRESET_INDEX},
+ * {@link #STATUS_OPERATION_NOT_POSSIBLE},{@link #STATUS_OPERATION_NOT_SUPPORTED}.
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_ACTIVE_PRESET_SELECT_ERROR =
+ "android.bluetooth.action.HAP_ON_ACTIVE_PRESET_SELECT_ERROR";
+
+ /**
+ * Intent used to broadcast preset name change.
+ *
+ * <p>This intent will have 4 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_PRESET_INFO}- List of preset informations </li>
+ * <li> {@link #EXTRA_HAP_PRESET_INFO_REASON}- Why this preset info notification was sent </li>
+ * notifications or the user should expect more to come. </li>
+ * </ul>
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_PRESET_INFO =
+ "android.bluetooth.action.HAP_ON_PRESET_INFO";
+
+ /**
+ * Intent used to broadcast result of a failed rename attempt.
+ *
+ * <p>This intent will have 3 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_PRESET_INDEX}- The currently active preset.</li>
+ * <li> {@link #EXTRA_HAP_STATUS_CODE}- Failure reason code.</li>
+ * </ul>
+ *
+ * <p>{@link #EXTRA_HAP_STATUS_CODE} can be any of {@link #STATUS_SET_NAME_NOT_ALLOWED},
+ * {@link #STATUS_INVALID_PRESET_INDEX}, {@link #STATUS_INVALID_PRESET_NAME_LENGTH}.
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_PRESET_NAME_SET_ERROR =
+ "android.bluetooth.action.HAP_ON_PRESET_NAME_SET_ERROR";
+
+ /**
+ * Intent used to broadcast the result of a failed name get attempt.
+ *
+ * <p>This intent will have 3 extras:
+ * <ul>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * <li> {@link #EXTRA_HAP_PRESET_INDEX}- The currently active preset.</li>
+ * <li> {@link #EXTRA_HAP_STATUS_CODE}- Failure reason code.</li>
+ * </ul>
+ *
+ * <p>{@link #EXTRA_HAP_STATUS_CODE} can be any of {@link #STATUS_INVALID_PRESET_INDEX},
+ * {@link #STATUS_OPERATION_NOT_POSSIBLE}.
+ *
+ * @hide
+ */
+ @RequiresPermission(allOf = {
+ android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED,
+ })
+ @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_HAP_ON_PRESET_INFO_GET_ERROR =
+ "android.bluetooth.action.HAP_ON_PRESET_INFO_GET_ERROR";
+
+ /**
+ * Contains a list of all available presets
+ * @hide
+ */
+ public static final String EXTRA_HAP_FEATURES = "android.bluetooth.extra.HAP_FEATURES";
+
+ /**
+ * Contains a preset identifier
+ * @hide
+ */
+ public static final String EXTRA_HAP_PRESET_INDEX = "android.bluetooth.extra.HAP_PRESET_INDEX";
+
+ /**
+ * Used to report failure reasons.
+ * @hide
+ */
+ public static final String EXTRA_HAP_STATUS_CODE = "android.bluetooth.extra.HAP_STATUS_CODE";
+
+ /**
+ * Used by group events.
+ * @hide
+ */
+ public static final String EXTRA_HAP_GROUP_ID = "android.bluetooth.extra.HAP_GROUP_ID";
+
+ /**
+ * Preset Info reason.
+ * Possible values:
+ * {@link #PRESET_INFO_REASON_ALL_PRESET_INFO} or
+ * {@link #PRESET_INFO_REASON_PRESET_INFO_UPDATE} or
+ * {@link #PRESET_INFO_REASON_PRESET_DELETED} or
+ * {@link #PRESET_INFO_REASON_PRESET_AVAILABILITY_CHANGED} or
+ * {@link #PRESET_INFO_REASON_PRESET_INFO_REQUEST_RESPONSE}
+ * @hide
+ */
+ public static final String EXTRA_HAP_PRESET_INFO_REASON =
+ "android.bluetooth.extra.HAP_PRESET_INFO_REASON";
+
+ /**
+ * Preset Info.
+ * @hide
+ */
+ public static final String EXTRA_HAP_PRESET_INFO = "android.bluetooth.extra.HAP_PRESET_INFO";
+
+ /**
+ * Preset name change failure due to preset being read-only.
+ * @hide
+ */
+ public static final int STATUS_SET_NAME_NOT_ALLOWED =
+ IBluetoothHapClient.STATUS_SET_NAME_NOT_ALLOWED;
+
+ /**
+ * Means that the requested operation is not supported by the HA device.
+ *
+ * <p> It could mean that the requested name change is not supported on
+ * a given preset or the device does not support presets at all.
+ * @hide
+ */
+ public static final int STATUS_OPERATION_NOT_SUPPORTED =
+ IBluetoothHapClient.STATUS_OPERATION_NOT_SUPPORTED;
+
+ /**
+ * Usually means a temporary denial of certain operation. Peer device may report this
+ * status due to various implementation specific reasons. It's different than
+ * the {@link #STATUS_OPERATION_NOT_SUPPORTED} which represents more of a
+ * permanent inability to perform some of the operations.
+ * @hide
+ */
+ public static final int STATUS_OPERATION_NOT_POSSIBLE =
+ IBluetoothHapClient.STATUS_OPERATION_NOT_POSSIBLE;
+
+ /**
+ * Used when preset name change failed due to the passed name parameter being to long.
+ * @hide
+ */
+ public static final int STATUS_INVALID_PRESET_NAME_LENGTH =
+ IBluetoothHapClient.STATUS_INVALID_PRESET_NAME_LENGTH;
+
+ /**
+ * Group operations are not supported.
+ * @hide
+ */
+ public static final int STATUS_GROUP_OPERATION_NOT_SUPPORTED =
+ IBluetoothHapClient.STATUS_GROUP_OPERATION_NOT_SUPPORTED;
+
+ /**
+ * Procedure is already in progress.
+ * @hide
+ */
+ public static final int STATUS_PROCEDURE_ALREADY_IN_PROGRESS =
+ IBluetoothHapClient.STATUS_PROCEDURE_ALREADY_IN_PROGRESS;
+
+ /**
+ * Invalid preset index input parameter used in one of the API calls.
+ * @hide
+ */
+ public static final int STATUS_INVALID_PRESET_INDEX =
+ IBluetoothHapClient.STATUS_INVALID_PRESET_INDEX;
+
+ /**
+ * Represets an invalid index value. This is usually value returned in a currently
+ * active preset request for a device which is not connected. This value shouldn't be used
+ * in the API calls.
+ * @hide
+ */
+ public static final int PRESET_INDEX_UNAVAILABLE = IBluetoothHapClient.PRESET_INDEX_UNAVAILABLE;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_TYPE_MONAURAL =
+ IBluetoothHapClient.FEATURE_BIT_NUM_TYPE_MONAURAL;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_TYPE_BANDED =
+ IBluetoothHapClient.FEATURE_BIT_NUM_TYPE_BANDED;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_SYNCHRONIZATED_PRESETS =
+ IBluetoothHapClient.FEATURE_BIT_NUM_SYNCHRONIZATED_PRESETS;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_INDEPENDENT_PRESETS =
+ IBluetoothHapClient.FEATURE_BIT_NUM_INDEPENDENT_PRESETS;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_DYNAMIC_PRESETS =
+ IBluetoothHapClient.FEATURE_BIT_NUM_DYNAMIC_PRESETS;
+
+ /**
+ * Feature bit.
+ * @hide
+ */
+ public static final int FEATURE_BIT_NUM_WRITABLE_PRESETS =
+ IBluetoothHapClient.FEATURE_BIT_NUM_WRITABLE_PRESETS;
+
+ /**
+ * Preset Info notification reason.
+ * @hide
+ */
+ public static final int PRESET_INFO_REASON_ALL_PRESET_INFO =
+ IBluetoothHapClient.PRESET_INFO_REASON_ALL_PRESET_INFO;
+
+ /**
+ * Preset Info notification reason.
+ * @hide
+ */
+ public static final int PRESET_INFO_REASON_PRESET_INFO_UPDATE =
+ IBluetoothHapClient.PRESET_INFO_REASON_PRESET_INFO_UPDATE;
+
+ /**
+ * Preset Info notification reason.
+ * @hide
+ */
+ public static final int PRESET_INFO_REASON_PRESET_DELETED =
+ IBluetoothHapClient.PRESET_INFO_REASON_PRESET_DELETED;
+
+ /**
+ * Preset Info notification reason.
+ * @hide
+ */
+ public static final int PRESET_INFO_REASON_PRESET_AVAILABILITY_CHANGED =
+ IBluetoothHapClient.PRESET_INFO_REASON_PRESET_AVAILABILITY_CHANGED;
+
+ /**
+ * Preset Info notification reason.
+ * @hide
+ */
+ public static final int PRESET_INFO_REASON_PRESET_INFO_REQUEST_RESPONSE =
+ IBluetoothHapClient.PRESET_INFO_REASON_PRESET_INFO_REQUEST_RESPONSE;
+
+ /**
+ * Represents invalid group identifier. It's returned when user requests a group identifier
+ * for a device which is not part of any group. This value shouldn't be used in the API calls.
+ * @hide
+ */
+ public static final int HAP_GROUP_UNAVAILABLE = IBluetoothHapClient.GROUP_ID_UNAVAILABLE;
+
+ private final BluetoothAdapter mAdapter;
+ private final AttributionSource mAttributionSource;
+ private final BluetoothProfileConnector<IBluetoothHapClient> mProfileConnector =
+ new BluetoothProfileConnector(this, BluetoothProfile.HAP_CLIENT, "BluetoothHapClient",
+ IBluetoothHapClient.class.getName()) {
+ @Override
+ public IBluetoothHapClient getServiceInterface(IBinder service) {
+ return IBluetoothHapClient.Stub.asInterface(service);
+ }
+ };
+
+ /**
+ * Create a BluetoothHapClient proxy object for interacting with the local
+ * Bluetooth Hearing Access Profile (HAP) client.
+ */
+ /*package*/ BluetoothHapClient(Context context, ServiceListener listener) {
+ mAdapter = BluetoothAdapter.getDefaultAdapter();
+ mAttributionSource = mAdapter.getAttributionSource();
+ mProfileConnector.connect(context, listener);
+ mCloseGuard = new CloseGuard();
+ mCloseGuard.open("close");
+ }
+
+ /**
+ * @hide
+ */
+ protected void finalize() {
+ if (mCloseGuard != null) {
+ mCloseGuard.warnIfOpen();
+ }
+ close();
+ }
+
+ /**
+ * @hide
+ */
+ public void close() {
+ mProfileConnector.disconnect();
+ }
+
+ private IBluetoothHapClient getService() {
+ return mProfileConnector.getService();
+ }
+
+ /**
+ * 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 IBluetoothHapClient 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 IBluetoothHapClient 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;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+ public @NonNull List<BluetoothDevice> getConnectedDevices() {
+ if (VDBG) Log.d(TAG, "getConnectedDevices()");
+ final IBluetoothHapClient service = getService();
+ final List defaultValue = new ArrayList<BluetoothDevice>();
+ if (service == null) {
+ Log.w(TAG, "Proxy not attached to service");
+ if (DBG) log(Log.getStackTraceString(new Throwable()));
+ } else if (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<List> recv = new SynchronousResultReceiver();
+ service.getConnectedDevices(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> getDevicesMatchingConnectionStates(
+ @NonNull int[] states) {
+ if (VDBG) Log.d(TAG, "getDevicesMatchingConnectionStates()");
+ final IBluetoothHapClient service = getService();
+ final List defaultValue = new ArrayList<BluetoothDevice>();
+ if (service == null) {
+ Log.w(TAG, "Proxy not attached to service");
+ if (DBG) log(Log.getStackTraceString(new Throwable()));
+ } else if (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<List> recv = new SynchronousResultReceiver();
+ service.getDevicesMatchingConnectionStates(states, 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 @BluetoothProfile.BtProfileState int getConnectionState(
+ @NonNull BluetoothDevice device) {
+ if (VDBG) Log.d(TAG, "getConnectionState(" + device + ")");
+ final IBluetoothHapClient 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 (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;
+ }
+
+ /**
+ * Gets the group identifier, which can be used in the group related part of
+ * the API.
+ *
+ * <p>Users are expected to get group identifier for each of the connected
+ * device to discover the device grouping. This allows them to make an informed
+ * decision which devices can be controlled by single group API call and which
+ * require individual device calls.
+ *
+ * <p>Note that some binaural HA devices may not support group operations,
+ * therefore are not considered a valid HAP group. In such case the
+ * {@link #HAP_GROUP_UNAVAILABLE} is returned even when such
+ * device is a valid Le Audio Coordinated Set member.
+ *
+ * @param device
+ * @return valid group identifier or {@link #HAP_GROUP_UNAVAILABLE}
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+ public int getHapGroup(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient service = getService();
+ final int defaultValue = HAP_GROUP_UNAVAILABLE;
+ if (service == null) {
+ Log.w(TAG, "Proxy not attached to service");
+ if (DBG) log(Log.getStackTraceString(new Throwable()));
+ } else if (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
+ service.getHapGroup(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;
+ }
+
+ /**
+ * Gets the currently active preset for a HA device
+ *
+ * @param device is the device for which we want to set the active preset
+ * @return active preset index
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
+ public boolean getActivePresetIndex(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.getActivePresetIndex(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;
+ }
+
+ /**
+ * Selects the currently active preset for a HA device
+ *
+ * @param device is the device for which we want to set the active preset
+ * @param presetIndex is an index of one of the available presets
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean selectActivePreset(@NonNull BluetoothDevice device, int presetIndex) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.selectActivePreset(device, presetIndex, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Selects the currently active preset for a HA device group.
+ *
+ * <p> This group call may replace multiple device calls if those are part of the
+ * valid HAS group. Note that binaural HA devices may or may not support group.
+ *
+ * @param groupId is the device group identifier for which want to set the active preset
+ * @param presetIndex is an index of one of the available presets
+ * @return true if valid group request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean groupSelectActivePreset(int groupId, int presetIndex) {
+ final IBluetoothHapClient 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 (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.groupSelectActivePreset(groupId, presetIndex, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Sets the next preset as a currently active preset for a HA device
+ *
+ * <p> Note that the meaning of 'next' is HA device implementation specific and
+ * does not necessarily mean a higher preset index.
+ *
+ * @param device is the device for which we want to set the active preset
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean nextActivePreset(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.nextActivePreset(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;
+ }
+
+ /**
+ * Sets the next preset as a currently active preset for a HA device group
+ *
+ * <p> Note that the meaning of 'next' is HA device implementation specific and
+ * does not necessarily mean a higher preset index.
+ * <p> This group call may replace multiple device calls if those are part of the
+ * valid HAS group. Note that binaural HA devices may or may not support group.
+ *
+ * @param groupId is the device group identifier for which want to set the active preset
+ * @return true if valid group request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean groupNextActivePreset(int groupId) {
+ final IBluetoothHapClient 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 (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.groupNextActivePreset(groupId, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Sets the previous preset as a currently active preset for a HA device.
+ *
+ * <p> Note that the meaning of 'previous' is HA device implementation specific and
+ * does not necessarily mean a lower preset index.
+ *
+ * @param device is the device for which we want to set the active preset
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean previousActivePreset(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.previousActivePreset(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;
+ }
+
+ /**
+ * Sets the previous preset as a currently active preset for a HA device group
+ *
+ * <p> Note the meaning of 'previous' is HA device implementation specific and
+ * does not necessarily mean a lower preset index.
+ * <p> This group call may replace multiple device calls if those are part of the
+ * valid HAS group. Note that binaural HA devices may or may not support group.
+ *
+ * @param groupId is the device group identifier for which want to set the active preset
+ * @return true if valid group request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean groupPreviousActivePreset(int groupId) {
+ final IBluetoothHapClient 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 (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.groupPreviousActivePreset(groupId, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Requests the preset info
+ *
+ * @param device is the device for which we want to get the preset name
+ * @param presetIndex is an index of one of the available presets
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean getPresetInfo(@NonNull BluetoothDevice device, int presetIndex) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.getPresetInfo(device, presetIndex, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Requests all presets info
+ *
+ * @param device is the device for which we want to get all presets info
+ * @return true if request was processed, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean getAllPresetsInfo(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.getAllPresetsInfo(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;
+ }
+
+ /**
+ * Requests HAP features
+ *
+ * @param device is the device for which we want to get features for
+ * @return true if request was processed, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean getFeatures(@NonNull BluetoothDevice device) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.getFeatures(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;
+ }
+
+ /**
+ * Sets the preset name
+ *
+ * <p> Note that the name length is restricted to 30 characters.
+ *
+ * @param device is the device for which we want to get the preset name
+ * @param presetIndex is an index of one of the available presets
+ * @param name is a new name for a preset
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean setPresetName(@NonNull BluetoothDevice device, int presetIndex,
+ @NonNull String name) {
+ final IBluetoothHapClient 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 (isEnabled() && isValidDevice(device)) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.setPresetName(device, presetIndex, name, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Sets the preset name
+ *
+ * <p> Note that the name length is restricted to 30 characters.
+ *
+ * @param groupId is the device group identifier
+ * @param presetIndex is an index of one of the available presets
+ * @param name is a new name for a preset
+ * @return true if valid request was sent, false otherwise
+ * @hide
+ */
+ @RequiresBluetoothConnectPermission
+ @RequiresPermission(allOf = { android.Manifest.permission.BLUETOOTH_CONNECT,
+ android.Manifest.permission.BLUETOOTH_PRIVILEGED })
+ public boolean groupSetPresetName(int groupId, int presetIndex, @NonNull String name) {
+ final IBluetoothHapClient 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 (isEnabled()) {
+ try {
+ final SynchronousResultReceiver<Boolean> recv = new SynchronousResultReceiver();
+ service.groupSetPresetName(groupId, presetIndex, name, mAttributionSource, recv);
+ return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
+ } catch (RemoteException | TimeoutException e) {
+ Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
+ }
+ }
+ return defaultValue;
+ }
+
+ private boolean isEnabled() {
+ if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true;
+ return false;
+ }
+
+ private boolean isValidDevice(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);
+ }
+}