731 lines
29 KiB
Java
731 lines
29 KiB
Java
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.bluetooth;
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import static android.bluetooth.BluetoothUtils.getSyncTimeout;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.RequiresPermission;
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import android.annotation.SdkConstant;
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import android.annotation.SdkConstant.SdkConstantType;
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import android.annotation.SuppressLint;
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import android.annotation.SystemApi;
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import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
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import android.bluetooth.annotations.RequiresLegacyBluetoothAdminPermission;
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import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.content.AttributionSource;
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import android.content.Context;
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import android.os.Build;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.Log;
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import com.android.modules.utils.SynchronousResultReceiver;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.TimeoutException;
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/**
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* This class provides the public APIs to control the Hearing Aid profile.
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*
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* <p>BluetoothHearingAid is a proxy object for controlling the Bluetooth Hearing Aid
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* Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
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* the BluetoothHearingAid proxy object.
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*
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* <p> Android only supports one set of connected Bluetooth Hearing Aid device at a time. Each
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* method is protected with its appropriate permission.
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*/
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public final class BluetoothHearingAid implements BluetoothProfile {
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private static final String TAG = "BluetoothHearingAid";
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private static final boolean DBG = true;
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private static final boolean VDBG = false;
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/**
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* Intent used to broadcast the change in connection state of the Hearing Aid
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* profile. Please note that in the binaural case, there will be two different LE devices for
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* the left and right side and each device will have their own connection state changes.S
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*
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* <p>This intent will have 3 extras:
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* <ul>
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* <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
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* <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
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* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
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* </ul>
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*
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* <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
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* {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},
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* {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.
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*/
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@RequiresLegacyBluetoothPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_CONNECTION_STATE_CHANGED =
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"android.bluetooth.hearingaid.profile.action.CONNECTION_STATE_CHANGED";
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/**
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* Intent used to broadcast the selection of a connected device as active.
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*
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* <p>This intent will have one extra:
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* <ul>
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* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can
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* be null if no device is active. </li>
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* </ul>
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*
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* @hide
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*/
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@SystemApi
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@RequiresLegacyBluetoothPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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@SuppressLint("ActionValue")
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public static final String ACTION_ACTIVE_DEVICE_CHANGED =
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"android.bluetooth.hearingaid.profile.action.ACTIVE_DEVICE_CHANGED";
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/**
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* This device represents Left Hearing Aid.
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*
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* @hide
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*/
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public static final int SIDE_LEFT = IBluetoothHearingAid.SIDE_LEFT;
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/**
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* This device represents Right Hearing Aid.
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*
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* @hide
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*/
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public static final int SIDE_RIGHT = IBluetoothHearingAid.SIDE_RIGHT;
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/**
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* This device is Monaural.
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*
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* @hide
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*/
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public static final int MODE_MONAURAL = IBluetoothHearingAid.MODE_MONAURAL;
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/**
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* This device is Binaural (should receive only left or right audio).
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*
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* @hide
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*/
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public static final int MODE_BINAURAL = IBluetoothHearingAid.MODE_BINAURAL;
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/**
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* Indicates the HiSyncID could not be read and is unavailable.
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*
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* @hide
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*/
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@SystemApi
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public static final long HI_SYNC_ID_INVALID = 0;
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private final BluetoothAdapter mAdapter;
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private final AttributionSource mAttributionSource;
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private final BluetoothProfileConnector<IBluetoothHearingAid> mProfileConnector =
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new BluetoothProfileConnector(this, BluetoothProfile.HEARING_AID,
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"BluetoothHearingAid", IBluetoothHearingAid.class.getName()) {
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@Override
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public IBluetoothHearingAid getServiceInterface(IBinder service) {
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return IBluetoothHearingAid.Stub.asInterface(service);
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}
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};
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/**
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* Create a BluetoothHearingAid proxy object for interacting with the local
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* Bluetooth Hearing Aid service.
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*/
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/* package */ BluetoothHearingAid(Context context, ServiceListener listener,
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BluetoothAdapter adapter) {
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mAdapter = adapter;
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mAttributionSource = adapter.getAttributionSource();
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mProfileConnector.connect(context, listener);
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}
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/*package*/ void close() {
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mProfileConnector.disconnect();
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}
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private IBluetoothHearingAid getService() {
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return mProfileConnector.getService();
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}
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/**
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* Initiate connection to a profile of the remote bluetooth device.
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*
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* <p> This API returns false in scenarios like the profile on the
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* device is already connected or Bluetooth is not turned on.
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* When this API returns true, it is guaranteed that
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* connection state intent for the profile will be broadcasted with
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* the state. Users can get the connection state of the profile
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* from this intent.
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*
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* @param device Remote Bluetooth Device
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* @return false on immediate error, true otherwise
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* @hide
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*/
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@RequiresBluetoothConnectPermission
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@RequiresPermission(allOf = {
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android.Manifest.permission.BLUETOOTH_CONNECT,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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public boolean connect(BluetoothDevice device) {
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if (DBG) log("connect(" + device + ")");
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final IBluetoothHearingAid service = getService();
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final boolean defaultValue = false;
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled() && isValidDevice(device)) {
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try {
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final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
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service.connect(device, mAttributionSource, recv);
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return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* Initiate disconnection from a profile
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*
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* <p> This API will return false in scenarios like the profile on the
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* Bluetooth device is not in connected state etc. When this API returns,
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* true, it is guaranteed that the connection state change
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* intent will be broadcasted with the state. Users can get the
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* disconnection state of the profile from this intent.
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*
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* <p> If the disconnection is initiated by a remote device, the state
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* will transition from {@link #STATE_CONNECTED} to
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* {@link #STATE_DISCONNECTED}. If the disconnect is initiated by the
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* host (local) device the state will transition from
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* {@link #STATE_CONNECTED} to state {@link #STATE_DISCONNECTING} to
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* state {@link #STATE_DISCONNECTED}. The transition to
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* {@link #STATE_DISCONNECTING} can be used to distinguish between the
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* two scenarios.
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*
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* @param device Remote Bluetooth Device
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* @return false on immediate error, true otherwise
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* @hide
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*/
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@RequiresBluetoothConnectPermission
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@RequiresPermission(allOf = {
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android.Manifest.permission.BLUETOOTH_CONNECT,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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public boolean disconnect(BluetoothDevice device) {
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if (DBG) log("disconnect(" + device + ")");
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final IBluetoothHearingAid service = getService();
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final boolean defaultValue = false;
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled() && isValidDevice(device)) {
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try {
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final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
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service.disconnect(device, mAttributionSource, recv);
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return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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public @NonNull List<BluetoothDevice> getConnectedDevices() {
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if (VDBG) log("getConnectedDevices()");
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final IBluetoothHearingAid service = getService();
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final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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final SynchronousResultReceiver<List<BluetoothDevice>> recv =
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SynchronousResultReceiver.get();
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service.getConnectedDevices(mAttributionSource, recv);
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return Attributable.setAttributionSource(
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recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
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mAttributionSource);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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public @NonNull List<BluetoothDevice> getDevicesMatchingConnectionStates(
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@NonNull int[] states) {
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if (VDBG) log("getDevicesMatchingStates()");
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final IBluetoothHearingAid service = getService();
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final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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final SynchronousResultReceiver<List<BluetoothDevice>> recv =
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SynchronousResultReceiver.get();
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service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
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return Attributable.setAttributionSource(
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recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
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mAttributionSource);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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public @BluetoothProfile.BtProfileState int getConnectionState(
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@NonNull BluetoothDevice device) {
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if (VDBG) log("getState(" + device + ")");
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final IBluetoothHearingAid service = getService();
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final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled() && isValidDevice(device)) {
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try {
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final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
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service.getConnectionState(device, mAttributionSource, recv);
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return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* Select a connected device as active.
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*
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* The active device selection is per profile. An active device's
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* purpose is profile-specific. For example, Hearing Aid audio
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* streaming is to the active Hearing Aid device. If a remote device
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* is not connected, it cannot be selected as active.
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*
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* <p> This API returns false in scenarios like the profile on the
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* device is not connected or Bluetooth is not turned on.
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* When this API returns true, it is guaranteed that the
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* {@link #ACTION_ACTIVE_DEVICE_CHANGED} intent will be broadcasted
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* with the active device.
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*
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* @param device the remote Bluetooth device. Could be null to clear
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* the active device and stop streaming audio to a Bluetooth device.
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* @return false on immediate error, true otherwise
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* @hide
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*/
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@RequiresLegacyBluetoothAdminPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
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public boolean setActiveDevice(@Nullable BluetoothDevice device) {
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if (DBG) log("setActiveDevice(" + device + ")");
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final IBluetoothHearingAid service = getService();
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final boolean defaultValue = false;
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled() && ((device == null) || isValidDevice(device))) {
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try {
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final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
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service.setActiveDevice(device, mAttributionSource, recv);
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return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* Get the connected physical Hearing Aid devices that are active
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*
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* @return the list of active devices. The first element is the left active
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* device; the second element is the right active device. If either or both side
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* is not active, it will be null on that position. Returns empty list on error.
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* @hide
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*/
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
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@RequiresLegacyBluetoothPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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public @NonNull List<BluetoothDevice> getActiveDevices() {
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if (VDBG) log("getActiveDevices()");
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final IBluetoothHearingAid service = getService();
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final List<BluetoothDevice> defaultValue = new ArrayList<>();
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled()) {
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try {
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final SynchronousResultReceiver<List<BluetoothDevice>> recv =
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SynchronousResultReceiver.get();
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service.getActiveDevices(mAttributionSource, recv);
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return Attributable.setAttributionSource(
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recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
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mAttributionSource);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
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* Set priority of the profile
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*
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* <p> The device should already be paired.
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* Priority can be one of {@link #PRIORITY_ON} or {@link #PRIORITY_OFF},
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*
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* @param device Paired bluetooth device
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* @param priority
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* @return true if priority is set, false on error
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* @hide
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*/
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@RequiresBluetoothConnectPermission
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@RequiresPermission(allOf = {
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android.Manifest.permission.BLUETOOTH_CONNECT,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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public boolean setPriority(BluetoothDevice device, int priority) {
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if (DBG) log("setPriority(" + device + ", " + priority + ")");
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return setConnectionPolicy(device, BluetoothAdapter.priorityToConnectionPolicy(priority));
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}
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/**
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* Set connection policy of the profile
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*
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* <p> The device should already be paired.
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* Connection policy can be one of {@link #CONNECTION_POLICY_ALLOWED},
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* {@link #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN}
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*
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* @param device Paired bluetooth device
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* @param connectionPolicy is the connection policy to set to for this profile
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* @return true if connectionPolicy is set, false on error
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* @hide
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*/
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@SystemApi
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@RequiresBluetoothConnectPermission
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@RequiresPermission(allOf = {
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android.Manifest.permission.BLUETOOTH_CONNECT,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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public boolean setConnectionPolicy(@NonNull BluetoothDevice device,
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@ConnectionPolicy int connectionPolicy) {
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if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
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verifyDeviceNotNull(device, "setConnectionPolicy");
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final IBluetoothHearingAid service = getService();
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final boolean defaultValue = false;
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if (service == null) {
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Log.w(TAG, "Proxy not attached to service");
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if (DBG) log(Log.getStackTraceString(new Throwable()));
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} else if (isEnabled() && isValidDevice(device)
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&& (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
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|| connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
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try {
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final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
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service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv);
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return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
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} catch (RemoteException | TimeoutException e) {
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Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
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}
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}
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return defaultValue;
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}
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/**
|
|
* Get the priority of the profile.
|
|
*
|
|
* <p> The priority can be any of:
|
|
* {@link #PRIORITY_OFF}, {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED}
|
|
*
|
|
* @param device Bluetooth device
|
|
* @return priority of the device
|
|
* @hide
|
|
*/
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public int getPriority(BluetoothDevice device) {
|
|
if (VDBG) log("getPriority(" + device + ")");
|
|
return BluetoothAdapter.connectionPolicyToPriority(getConnectionPolicy(device));
|
|
}
|
|
|
|
/**
|
|
* 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) {
|
|
if (VDBG) log("getConnectionPolicy(" + device + ")");
|
|
verifyDeviceNotNull(device, "getConnectionPolicy");
|
|
final IBluetoothHearingAid 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 (isEnabled() && isValidDevice(device)) {
|
|
try {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
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 + ">";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tells remote device to set an absolute volume.
|
|
*
|
|
* @param volume Absolute volume to be set on remote
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public void setVolume(int volume) {
|
|
if (DBG) Log.d(TAG, "setVolume(" + volume + ")");
|
|
final IBluetoothHearingAid service = getService();
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver recv = SynchronousResultReceiver.get();
|
|
service.setVolume(volume, mAttributionSource, recv);
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the HiSyncId (unique hearing aid device identifier) of the device.
|
|
*
|
|
* <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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public long getHiSyncId(@NonNull BluetoothDevice device) {
|
|
if (VDBG) log("getHiSyncId(" + device + ")");
|
|
verifyDeviceNotNull(device, "getHiSyncId");
|
|
final IBluetoothHearingAid service = getService();
|
|
final long defaultValue = HI_SYNC_ID_INVALID;
|
|
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<Long> recv = SynchronousResultReceiver.get();
|
|
service.getHiSyncId(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 side of the device.
|
|
*
|
|
* @param device Bluetooth device.
|
|
* @return SIDE_LEFT or SIDE_RIGHT
|
|
* @hide
|
|
*/
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public int getDeviceSide(BluetoothDevice device) {
|
|
if (VDBG) log("getDeviceSide(" + device + ")");
|
|
final IBluetoothHearingAid service = getService();
|
|
final int defaultValue = SIDE_LEFT;
|
|
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 = SynchronousResultReceiver.get();
|
|
service.getDeviceSide(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 mode of the device.
|
|
*
|
|
* @param device Bluetooth device
|
|
* @return MODE_MONAURAL or MODE_BINAURAL
|
|
* @hide
|
|
*/
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public int getDeviceMode(BluetoothDevice device) {
|
|
if (VDBG) log("getDeviceMode(" + device + ")");
|
|
final IBluetoothHearingAid service = getService();
|
|
final int defaultValue = MODE_MONAURAL;
|
|
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 = SynchronousResultReceiver.get();
|
|
service.getDeviceMode(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 side of the device.
|
|
*
|
|
* TODO(b/231901542): Used by internal only to improve hearing aids experience in short-term.
|
|
* Need to change to formal call in next bluetooth release.
|
|
*
|
|
* @param device Bluetooth device.
|
|
* @return SIDE_LEFT or SIDE_RIGHT
|
|
*/
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
private int getDeviceSideInternal(BluetoothDevice device) {
|
|
return getDeviceSide(device);
|
|
}
|
|
|
|
/**
|
|
* Get the mode of the device.
|
|
*
|
|
* TODO(b/231901542): Used by internal only to improve hearing aids experience in short-term.
|
|
* Need to change to formal call in next bluetooth release.
|
|
*
|
|
* @param device Bluetooth device
|
|
* @return MODE_MONAURAL or MODE_BINAURAL
|
|
*/
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
private int getDeviceModeInternal(BluetoothDevice device) {
|
|
return getDeviceMode(device);
|
|
}
|
|
|
|
private boolean isEnabled() {
|
|
if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true;
|
|
return false;
|
|
}
|
|
|
|
private void verifyDeviceNotNull(BluetoothDevice device, String methodName) {
|
|
if (device == null) {
|
|
Log.e(TAG, methodName + ": device param is null");
|
|
throw new IllegalArgumentException("Device cannot be null");
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|