| /* | |
| * Copyright (C) 2018 The Android Open Source Project | |
| * | |
| * 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.Manifest.permission.BLUETOOTH_CONNECT; | |
| import static android.Manifest.permission.BLUETOOTH_PRIVILEGED; | |
| import static android.Manifest.permission.BLUETOOTH_SCAN; | |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; | |
| import static android.bluetooth.BluetoothProfile.STATE_DISCONNECTED; | |
| import static android.bluetooth.BluetoothUtils.isValidDevice; | |
| import android.annotation.Hide; | |
| import android.annotation.IntDef; | |
| import android.annotation.NonNull; | |
| import android.annotation.Nullable; | |
| import android.annotation.RequiresNoPermission; | |
| import android.annotation.RequiresPermission; | |
| import android.annotation.SdkConstant; | |
| import android.annotation.SdkConstant.SdkConstantType; | |
| import android.annotation.SuppressLint; | |
| import android.annotation.SystemApi; | |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; | |
| import android.bluetooth.annotations.RequiresBluetoothScanPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothAdminPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothPermission; | |
| import android.compat.annotation.UnsupportedAppUsage; | |
| import android.content.AttributionSource; | |
| import android.content.Context; | |
| import android.os.Build; | |
| import android.os.IBinder; | |
| import android.os.Parcel; | |
| import android.os.Parcelable; | |
| import android.os.RemoteException; | |
| import android.util.Log; | |
| import java.lang.annotation.Retention; | |
| import java.lang.annotation.RetentionPolicy; | |
| import java.util.Collections; | |
| import java.util.List; | |
| /** | |
| * This class provides the public APIs to control the Hearing Aid profile. | |
| * | |
| * <p>BluetoothHearingAid is a proxy object for controlling the Bluetooth Hearing Aid Service via | |
| * IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the BluetoothHearingAid proxy object. | |
| * | |
| * <p>Android only supports one set of connected Bluetooth Hearing Aid device at a time. Each method | |
| * is protected with its appropriate permission. | |
| */ | |
| public final class BluetoothHearingAid implements BluetoothProfile { | |
| private static final String TAG = BluetoothHearingAid.class.getSimpleName(); | |
| private static final boolean VDBG = Log.isLoggable("bluetooth", Log.VERBOSE); | |
| /** | |
| * This class provides the APIs to get device's advertisement data. The advertisement data might | |
| * be incomplete or not available. | |
| * | |
| * <p><a | |
| * href=https://source.android.com/docs/core/connect/bluetooth/asha#advertisements-for-asha-gatt-service> | |
| * documentation can be found here</a> | |
| */ | |
| @Hide | |
| @SystemApi | |
| public static final class AdvertisementServiceData implements Parcelable { | |
| private static final String TAG = AdvertisementServiceData.class.getSimpleName(); | |
| private final int mCapability; | |
| private final int mTruncatedHiSyncId; | |
| /** | |
| * Construct AdvertisementServiceData. | |
| * | |
| * @param capability hearing aid's capability | |
| * @param truncatedHiSyncId truncated HiSyncId | |
| */ | |
| @Hide | |
| public AdvertisementServiceData(int capability, int truncatedHiSyncId) { | |
| Log.d(TAG, "capability:" + capability + " truncatedHiSyncId:" + truncatedHiSyncId); | |
| mCapability = capability; | |
| mTruncatedHiSyncId = truncatedHiSyncId; | |
| } | |
| /** Get the mode of the device based on its advertisement data. */ | |
| @Hide | |
| @SystemApi | |
| @RequiresNoPermission | |
| public @DeviceMode int getDeviceMode() { | |
| if (VDBG) Log.v(TAG, "getDeviceMode()"); | |
| return (mCapability >> 1) & 1; | |
| } | |
| private AdvertisementServiceData(@NonNull Parcel in) { | |
| mCapability = in.readInt(); | |
| mTruncatedHiSyncId = in.readInt(); | |
| } | |
| /** Get the side of the device based on its advertisement data. */ | |
| @Hide | |
| @SystemApi | |
| @RequiresNoPermission | |
| public @DeviceSide int getDeviceSide() { | |
| if (VDBG) Log.v(TAG, "getDeviceSide()"); | |
| return mCapability & 1; | |
| } | |
| /** | |
| * Check if {@link BluetoothHearingAid} marks itself as CSIP supported based on its | |
| * advertisement data. | |
| * | |
| * @return {@code true} when CSIP is supported, {@code false} otherwise | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresNoPermission | |
| public boolean isCsipSupported() { | |
| if (VDBG) Log.v(TAG, "isCsipSupported()"); | |
| return ((mCapability >> 2) & 1) != 0; | |
| } | |
| /** Get the truncated HiSyncId of the device based on its advertisement data. */ | |
| @Hide | |
| @SystemApi | |
| @RequiresNoPermission | |
| public int getTruncatedHiSyncId() { | |
| if (VDBG) Log.v(TAG, "getTruncatedHiSyncId: " + mTruncatedHiSyncId); | |
| return mTruncatedHiSyncId; | |
| } | |
| /** | |
| * Check if another {@link AdvertisementServiceData} is likely a pair with current one. | |
| * There is a possibility of a collision on truncated HiSyncId which leads to falsely | |
| * identified as a pair. | |
| * | |
| * @param data another device's {@link AdvertisementServiceData} | |
| * @return {@code true} if the devices are a likely pair, {@code false} otherwise | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresNoPermission | |
| public boolean isInPairWith(@Nullable AdvertisementServiceData data) { | |
| if (VDBG) Log.v(TAG, "isInPairWith()"); | |
| if (data == null) { | |
| return false; | |
| } | |
| boolean bothSupportCsip = isCsipSupported() && data.isCsipSupported(); | |
| boolean isDifferentSide = | |
| (getDeviceSide() != SIDE_UNKNOWN && data.getDeviceSide() != SIDE_UNKNOWN) | |
| && (getDeviceSide() != data.getDeviceSide()); | |
| boolean isSameTruncatedHiSyncId = mTruncatedHiSyncId == data.mTruncatedHiSyncId; | |
| return bothSupportCsip && isDifferentSide && isSameTruncatedHiSyncId; | |
| } | |
| @Override | |
| public int describeContents() { | |
| return 0; | |
| } | |
| @Override | |
| public void writeToParcel(@NonNull Parcel dest, int flags) { | |
| dest.writeInt(mCapability); | |
| dest.writeInt(mTruncatedHiSyncId); | |
| } | |
| public static final @NonNull Parcelable.Creator<AdvertisementServiceData> CREATOR = | |
| new Parcelable.Creator<AdvertisementServiceData>() { | |
| public AdvertisementServiceData createFromParcel(Parcel in) { | |
| return new AdvertisementServiceData(in); | |
| } | |
| public AdvertisementServiceData[] newArray(int size) { | |
| return new AdvertisementServiceData[size]; | |
| } | |
| }; | |
| } | |
| /** | |
| * Intent used to broadcast the change in connection state of the Hearing Aid 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.S | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. | |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. | |
| * </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(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_CONNECTION_STATE_CHANGED = | |
| "android.bluetooth.hearingaid.profile.action.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. | |
| * </ul> | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| @SuppressLint("ActionValue") | |
| public static final String ACTION_ACTIVE_DEVICE_CHANGED = | |
| "android.bluetooth.hearingaid.profile.action.ACTIVE_DEVICE_CHANGED"; | |
| @Hide | |
| @IntDef( | |
| prefix = "SIDE_", | |
| value = {SIDE_UNKNOWN, SIDE_LEFT, SIDE_RIGHT}) | |
| @Retention(RetentionPolicy.SOURCE) | |
| public @interface DeviceSide {} | |
| /** Indicates the device side could not be read. */ | |
| @Hide @SystemApi public static final int SIDE_UNKNOWN = -1; | |
| /** This device represents Left Hearing Aid. */ | |
| @Hide @SystemApi public static final int SIDE_LEFT = IBluetoothHearingAid.SIDE_LEFT; | |
| /** This device represents Right Hearing Aid. */ | |
| @Hide @SystemApi public static final int SIDE_RIGHT = IBluetoothHearingAid.SIDE_RIGHT; | |
| @Hide | |
| @IntDef( | |
| prefix = "MODE_", | |
| value = {MODE_UNKNOWN, MODE_MONAURAL, MODE_BINAURAL}) | |
| @Retention(RetentionPolicy.SOURCE) | |
| public @interface DeviceMode {} | |
| /** Indicates the device mode could not be read. */ | |
| @Hide @SystemApi public static final int MODE_UNKNOWN = -1; | |
| /** This device is Monaural. */ | |
| @Hide @SystemApi public static final int MODE_MONAURAL = IBluetoothHearingAid.MODE_MONAURAL; | |
| /** This device is Binaural (should receive only left or right audio). */ | |
| @Hide @SystemApi public static final int MODE_BINAURAL = IBluetoothHearingAid.MODE_BINAURAL; | |
| /** Indicates the HiSyncID could not be read and is unavailable. */ | |
| @Hide @SystemApi public static final long HI_SYNC_ID_INVALID = 0; | |
| private final BluetoothAdapter mAdapter; | |
| private final AttributionSource mAttributionSource; | |
| private IBluetoothHearingAid mService; | |
| /** | |
| * Create a BluetoothHearingAid proxy object for interacting with the local Bluetooth Hearing | |
| * Aid service. | |
| */ | |
| /* package */ BluetoothHearingAid(Context context, BluetoothAdapter adapter) { | |
| mAdapter = adapter; | |
| mAttributionSource = adapter.getAttributionSource(); | |
| mService = null; | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceConnected(IBinder service) { | |
| mService = IBluetoothHearingAid.Stub.asInterface(service); | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceDisconnected() { | |
| mService = null; | |
| } | |
| private IBluetoothHearingAid getService() { | |
| return mService; | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public BluetoothAdapter getAdapter() { | |
| return mAdapter; | |
| } | |
| /** | |
| * 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(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean connect(BluetoothDevice device) { | |
| Log.d(TAG, "connect(" + device + ")"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.connect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * 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(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean disconnect(BluetoothDevice device) { | |
| Log.d(TAG, "disconnect(" + device + ")"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.disconnect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { | |
| if (VDBG) Log.v(TAG, "getConnectedDevices()"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getConnectedDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @NonNull | |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[] states) { | |
| if (VDBG) Log.v(TAG, "getDevicesMatchingStates()"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource), | |
| mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @BluetoothProfile.BtProfileState | |
| public int getConnectionState(@NonNull BluetoothDevice device) { | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionState(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return STATE_DISCONNECTED; | |
| } | |
| /** | |
| * Select a connected device as active. | |
| * | |
| * <p>The active device selection is per profile. An active device's purpose is | |
| * profile-specific. For example, Hearing Aid audio streaming is to the active Hearing Aid | |
| * 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_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 | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) | |
| public boolean setActiveDevice(@Nullable BluetoothDevice device) { | |
| Log.d(TAG, "setActiveDevice(" + device + ")"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && ((device == null) || isValidDevice(device))) { | |
| try { | |
| return service.setActiveDevice(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get the connected physical Hearing Aid devices that are active | |
| * | |
| * @return the list of active devices. The first element is the left active device; the second | |
| * element is the right active device. If either or both side is not active, it will be null | |
| * on that position. Returns empty list on error. | |
| */ | |
| @Hide | |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @NonNull List<BluetoothDevice> getActiveDevices() { | |
| if (VDBG) Log.v(TAG, "getActiveDevices()"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getActiveDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** | |
| * 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 | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean setConnectionPolicy( | |
| @NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) { | |
| Log.d(TAG, "setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); | |
| verifyDeviceNotNull(device, "setConnectionPolicy"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() | |
| && isValidDevice(device) | |
| && BluetoothProfile.isValidConnectionPolicy(connectionPolicy)) { | |
| try { | |
| return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * 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 | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { | |
| if (VDBG) Log.v(TAG, "getConnectionPolicy(" + device + ")"); | |
| verifyDeviceNotNull(device, "getConnectionPolicy"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionPolicy(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return CONNECTION_POLICY_FORBIDDEN; | |
| } | |
| /** | |
| * Tells remote device to set an absolute volume. | |
| * | |
| * @param volume Absolute volume to be set on remote | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void setVolume(int volume) { | |
| Log.d(TAG, "setVolume(" + volume + ")"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| service.setVolume(volume, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| } | |
| /** | |
| * Get the HiSyncId (unique hearing aid device identifier) of the device. | |
| * | |
| * <p><a href=https://source.android.com/devices/bluetooth/asha#hisyncid>HiSyncId documentation | |
| * can be found here</a> | |
| * | |
| * @param device Bluetooth device | |
| * @return the HiSyncId of the device | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public long getHiSyncId(@NonNull BluetoothDevice device) { | |
| if (VDBG) Log.v(TAG, "getHiSyncId(" + device + ")"); | |
| verifyDeviceNotNull(device, "getHiSyncId"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getHiSyncId(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return HI_SYNC_ID_INVALID; | |
| } | |
| /** | |
| * Get the side of the device. | |
| * | |
| * @param device Bluetooth device. | |
| * @return the {@code SIDE_LEFT}, {@code SIDE_RIGHT} of the device, or {@code SIDE_UNKNOWN} if | |
| * one is not available. | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @DeviceSide int getDeviceSide(@NonNull BluetoothDevice device) { | |
| if (VDBG) Log.v(TAG, "getDeviceSide(" + device + ")"); | |
| verifyDeviceNotNull(device, "getDeviceSide"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getDeviceSide(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return SIDE_UNKNOWN; | |
| } | |
| /** | |
| * Get the mode of the device. | |
| * | |
| * @param device Bluetooth device | |
| * @return the {@code MODE_MONAURAL}, {@code MODE_BINAURAL} of the device, or {@code | |
| * MODE_UNKNOWN} if one is not available. | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @DeviceMode | |
| public int getDeviceMode(@NonNull BluetoothDevice device) { | |
| if (VDBG) Log.v(TAG, "getDeviceMode(" + device + ")"); | |
| verifyDeviceNotNull(device, "getDeviceMode"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getDeviceMode(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return MODE_UNKNOWN; | |
| } | |
| /** | |
| * Get ASHA device's advertisement service data. | |
| * | |
| * @param device discovered Bluetooth device | |
| * @return {@link AdvertisementServiceData} | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothScanPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_SCAN, BLUETOOTH_PRIVILEGED}) | |
| public @Nullable AdvertisementServiceData getAdvertisementServiceData( | |
| @NonNull BluetoothDevice device) { | |
| Log.d(TAG, "getAdvertisementServiceData()"); | |
| final IBluetoothHearingAid service = getService(); | |
| if (service == null || !isEnabled() || !isValidDevice(device)) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| Log.d(TAG, Log.getStackTraceString(new Throwable())); | |
| } else { | |
| try { | |
| return service.getAdvertisementServiceData(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return null; | |
| } | |
| private boolean isEnabled() { | |
| if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true; | |
| return false; | |
| } | |
| private static void verifyDeviceNotNull(BluetoothDevice device, String methodName) { | |
| if (device == null) { | |
| Log.e(TAG, methodName + ": device param is null"); | |
| throw new IllegalArgumentException("Device cannot be null"); | |
| } | |
| } | |
| } |