837 lines
31 KiB
Java
837 lines
31 KiB
Java
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/*
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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 android.annotation.IntDef;
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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.Parcel;
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import android.os.Parcelable;
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import android.os.RemoteException;
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import android.util.Log;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.Collections;
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import java.util.List;
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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 Service via
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* IPC. Use {@link BluetoothAdapter#getProfileProxy} to get 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 method
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* 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 = Log.isLoggable(TAG, Log.VERBOSE);
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/**
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* This class provides the APIs to get device's advertisement data. The advertisement data might
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* be incomplete or not available.
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*
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* <p><a
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* href=https://source.android.com/docs/core/connect/bluetooth/asha#advertisements-for-asha-gatt-service>
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* documentation can be found here</a>
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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 class AdvertisementServiceData implements Parcelable {
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private static final String TAG = "AdvertisementData";
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private final int mCapability;
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private final int mTruncatedHiSyncId;
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/**
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* Construct AdvertisementServiceData.
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*
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* @param capability hearing aid's capability
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* @param truncatedHiSyncId truncated HiSyncId
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* @hide
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*/
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public AdvertisementServiceData(int capability, int truncatedHiSyncId) {
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if (DBG) {
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Log.d(TAG, "capability:" + capability + " truncatedHiSyncId:" + truncatedHiSyncId);
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}
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mCapability = capability;
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mTruncatedHiSyncId = truncatedHiSyncId;
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}
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/**
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* Get the mode of the device based on its advertisement data.
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*
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* @hide
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*/
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@RequiresPermission(
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allOf = {
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android.Manifest.permission.BLUETOOTH_SCAN,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SystemApi
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@DeviceMode
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public int getDeviceMode() {
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if (VDBG) Log.v(TAG, "getDeviceMode()");
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return (mCapability >> 1) & 1;
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}
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private AdvertisementServiceData(@NonNull Parcel in) {
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mCapability = in.readInt();
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mTruncatedHiSyncId = in.readInt();
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}
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/**
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* Get the side of the device based on its advertisement data.
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*
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* @hide
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*/
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@RequiresPermission(
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allOf = {
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android.Manifest.permission.BLUETOOTH_SCAN,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SystemApi
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@DeviceSide
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public int getDeviceSide() {
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if (VDBG) Log.v(TAG, "getDeviceSide()");
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return mCapability & 1;
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}
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/**
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* Check if {@link BluetoothHearingAid} marks itself as CSIP supported based on its
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* advertisement data.
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*
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* @return {@code true} when CSIP is supported, {@code false} otherwise
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* @hide
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*/
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@RequiresPermission(
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allOf = {
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android.Manifest.permission.BLUETOOTH_SCAN,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SystemApi
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public boolean isCsipSupported() {
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if (VDBG) Log.v(TAG, "isCsipSupported()");
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return ((mCapability >> 2) & 1) != 0;
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}
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/**
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* Get the truncated HiSyncId of the device based on its advertisement data.
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*
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* @hide
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*/
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@RequiresPermission(
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allOf = {
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android.Manifest.permission.BLUETOOTH_SCAN,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SystemApi
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public int getTruncatedHiSyncId() {
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if (VDBG) Log.v(TAG, "getTruncatedHiSyncId: " + mTruncatedHiSyncId);
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return mTruncatedHiSyncId;
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}
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/**
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* Check if another {@link AdvertisementServiceData} is likely a pair with current one.
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* There is a possibility of a collision on truncated HiSyncId which leads to falsely
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* identified as a pair.
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*
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* @param data another device's {@link AdvertisementServiceData}
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* @return {@code true} if the devices are a likely pair, {@code false} otherwise
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* @hide
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*/
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@RequiresPermission(
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allOf = {
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android.Manifest.permission.BLUETOOTH_SCAN,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SystemApi
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public boolean isInPairWith(@Nullable AdvertisementServiceData data) {
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if (VDBG) Log.v(TAG, "isInPairWith()");
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if (data == null) {
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return false;
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}
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boolean bothSupportCsip = isCsipSupported() && data.isCsipSupported();
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boolean isDifferentSide =
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(getDeviceSide() != SIDE_UNKNOWN && data.getDeviceSide() != SIDE_UNKNOWN)
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&& (getDeviceSide() != data.getDeviceSide());
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boolean isSameTruncatedHiSyncId = mTruncatedHiSyncId == data.mTruncatedHiSyncId;
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return bothSupportCsip && isDifferentSide && isSameTruncatedHiSyncId;
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}
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/** @hide */
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(@NonNull Parcel dest, int flags) {
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dest.writeInt(mCapability);
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dest.writeInt(mTruncatedHiSyncId);
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}
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public static final @NonNull Parcelable.Creator<AdvertisementServiceData> CREATOR =
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new Parcelable.Creator<AdvertisementServiceData>() {
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public AdvertisementServiceData createFromParcel(Parcel in) {
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return new AdvertisementServiceData(in);
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}
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public AdvertisementServiceData[] newArray(int size) {
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return new AdvertisementServiceData[size];
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}
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};
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}
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/**
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* Intent used to broadcast the change in connection state of the Hearing Aid profile. Please
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* note that in the binaural case, there will be two different LE devices for the left and right
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* 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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*
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* <ul>
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* <li>{@link #EXTRA_STATE} - The current state of the profile.
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* <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.
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* <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device.
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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 {@link
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* #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, {@link #STATE_CONNECTED}, {@link
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* #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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*
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* <ul>
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* <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can be null if no device
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* is active.
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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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/** @hide */
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@IntDef(
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prefix = "SIDE_",
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value = {SIDE_UNKNOWN, SIDE_LEFT, SIDE_RIGHT})
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@Retention(RetentionPolicy.SOURCE)
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public @interface DeviceSide {}
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/**
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* Indicates the device side could not be read.
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*
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* @hide
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*/
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@SystemApi public static final int SIDE_UNKNOWN = -1;
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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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@SystemApi 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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@SystemApi public static final int SIDE_RIGHT = IBluetoothHearingAid.SIDE_RIGHT;
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/** @hide */
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@IntDef(
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prefix = "MODE_",
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value = {MODE_UNKNOWN, MODE_MONAURAL, MODE_BINAURAL})
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@Retention(RetentionPolicy.SOURCE)
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public @interface DeviceMode {}
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/**
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* Indicates the device mode could not be read.
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*
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* @hide
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*/
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@SystemApi public static final int MODE_UNKNOWN = -1;
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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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@SystemApi 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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@SystemApi 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 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 IBluetoothHearingAid mService;
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/**
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* Create a BluetoothHearingAid proxy object for interacting with the local Bluetooth Hearing
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* Aid service.
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*/
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/* package */ BluetoothHearingAid(Context context, BluetoothAdapter adapter) {
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mAdapter = adapter;
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mAttributionSource = adapter.getAttributionSource();
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mService = null;
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}
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/** @hide */
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@Override
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public void onServiceConnected(IBinder service) {
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mService = IBluetoothHearingAid.Stub.asInterface(service);
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}
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/** @hide */
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@Override
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public void onServiceDisconnected() {
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mService = null;
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}
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private IBluetoothHearingAid getService() {
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return mService;
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}
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||
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/** @hide */
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||
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@Override
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public BluetoothAdapter getAdapter() {
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return mAdapter;
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}
|
||
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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 device is already connected or
|
||
|
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* Bluetooth is not turned on. When this API returns true, it is guaranteed that connection
|
||
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* state intent for the profile will be broadcasted with the state. Users can get the connection
|
||
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* state of the profile 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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*/
|
||
|
|
@RequiresBluetoothConnectPermission
|
||
|
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@RequiresPermission(
|
||
|
|
allOf = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
||
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
||
|
|
})
|
||
|
|
public boolean connect(BluetoothDevice device) {
|
||
|
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if (DBG) Log.d(TAG, "connect(" + device + ")");
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) 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 = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
||
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
||
|
|
})
|
||
|
|
public boolean disconnect(BluetoothDevice device) {
|
||
|
|
if (DBG) Log.d(TAG, "disconnect(" + device + ")");
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) 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(android.Manifest.permission.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");
|
||
|
|
if (DBG) 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(android.Manifest.permission.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");
|
||
|
|
if (DBG) 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
||
|
|
@BluetoothProfile.BtProfileState
|
||
|
|
public int getConnectionState(@NonNull BluetoothDevice device) {
|
||
|
|
if (VDBG) Log.v(TAG, "getState(" + device + ")");
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) 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 BluetoothProfile.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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
||
|
|
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
|
||
|
|
public boolean setActiveDevice(@Nullable BluetoothDevice device) {
|
||
|
|
if (DBG) Log.d(TAG, "setActiveDevice(" + device + ")");
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) 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(android.Manifest.permission.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");
|
||
|
|
if (DBG) 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 = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
||
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
||
|
|
})
|
||
|
|
public boolean setConnectionPolicy(
|
||
|
|
@NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) {
|
||
|
|
if (DBG) Log.d(TAG, "setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
|
||
|
|
verifyDeviceNotNull(device, "setConnectionPolicy");
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
|
||
|
|
} else if (isEnabled()
|
||
|
|
&& isValidDevice(device)
|
||
|
|
&& (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
|
||
|
|
|| connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
|
||
|
|
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 = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
||
|
|
android.Manifest.permission.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");
|
||
|
|
if (DBG) 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 BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper for converting a state to a string.
|
||
|
|
*
|
||
|
|
* <p>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.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 = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
||
|
|
android.Manifest.permission.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");
|
||
|
|
if (DBG) 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
||
|
|
@DeviceSide
|
||
|
|
public 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");
|
||
|
|
if (DBG) 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(android.Manifest.permission.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");
|
||
|
|
if (DBG) 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
|
||
|
|
@RequiresPermission(
|
||
|
|
allOf = {
|
||
|
|
android.Manifest.permission.BLUETOOTH_SCAN,
|
||
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
||
|
|
})
|
||
|
|
public @Nullable AdvertisementServiceData getAdvertisementServiceData(
|
||
|
|
@NonNull BluetoothDevice device) {
|
||
|
|
if (DBG) {
|
||
|
|
Log.d(TAG, "getAdvertisementServiceData()");
|
||
|
|
}
|
||
|
|
final IBluetoothHearingAid service = getService();
|
||
|
|
if (service == null || !isEnabled() || !isValidDevice(device)) {
|
||
|
|
Log.w(TAG, "Proxy not attached to service");
|
||
|
|
if (DBG) {
|
||
|
|
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 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;
|
||
|
|
}
|
||
|
|
}
|