| /* | |
| * Copyright (C) 2008 The Android Open Source Project | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| */ | |
| package android.bluetooth; | |
| import static android.Manifest.permission.BLUETOOTH_CONNECT; | |
| import static android.Manifest.permission.BLUETOOTH_PRIVILEGED; | |
| import static android.Manifest.permission.MODIFY_PHONE_STATE; | |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_ALLOWED; | |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; | |
| import static android.bluetooth.BluetoothProfile.STATE_DISCONNECTED; | |
| import static android.bluetooth.BluetoothUtils.isValidDevice; | |
| import static java.util.Objects.requireNonNull; | |
| import android.annotation.IntDef; | |
| import android.annotation.NonNull; | |
| import android.annotation.Nullable; | |
| import android.annotation.RequiresNoPermission; | |
| import android.annotation.RequiresPermission; | |
| import android.annotation.SdkConstant; | |
| import android.annotation.SdkConstant.SdkConstantType; | |
| import android.annotation.SuppressLint; | |
| import android.annotation.SystemApi; | |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothAdminPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothPermission; | |
| import android.compat.annotation.UnsupportedAppUsage; | |
| import android.content.AttributionSource; | |
| import android.content.Context; | |
| import android.os.Build; | |
| import android.os.IBinder; | |
| import android.os.RemoteException; | |
| import android.util.Log; | |
| import java.lang.annotation.Retention; | |
| import java.lang.annotation.RetentionPolicy; | |
| import java.util.Collections; | |
| import java.util.List; | |
| /** | |
| * Public API for controlling the Bluetooth Headset Service. This includes both Bluetooth Headset | |
| * and Handsfree (v1.5) profiles. | |
| * | |
| * <p>BluetoothHeadset is a proxy object for controlling the Bluetooth Headset Service via IPC. | |
| * | |
| * <p>Use {@link BluetoothAdapter#getProfileProxy} to get the BluetoothHeadset proxy object. Use | |
| * {@link BluetoothAdapter#closeProfileProxy} to close the service connection. | |
| * | |
| * <p>Android only supports one connected Bluetooth Headset at a time. Each method is protected with | |
| * its appropriate permission. | |
| */ | |
| public final class BluetoothHeadset implements BluetoothProfile { | |
| private static final String TAG = BluetoothHeadset.class.getSimpleName(); | |
| private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG); | |
| private static final boolean VDBG = false; | |
| /** | |
| * Intent used to broadcast the change in connection state of the Headset profile. | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. | |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. | |
| * </ul> | |
| * | |
| * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of {@link | |
| * #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, {@link #STATE_CONNECTED}, {@link | |
| * #STATE_DISCONNECTING}. | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_CONNECTION_STATE_CHANGED = | |
| "android.bluetooth.headset.profile.action.CONNECTION_STATE_CHANGED"; | |
| /** | |
| * Intent used to broadcast the change in the Audio Connection state of the HFP profile. | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. | |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. | |
| * </ul> | |
| * | |
| * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of {@link | |
| * #STATE_AUDIO_CONNECTED}, {@link #STATE_AUDIO_DISCONNECTED}, | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_AUDIO_STATE_CHANGED = | |
| "android.bluetooth.headset.profile.action.AUDIO_STATE_CHANGED"; | |
| /** | |
| * Intent used to broadcast the selection of a connected device as active. | |
| * | |
| * <p>This intent will have one extra: | |
| * | |
| * <ul> | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can be null if no device | |
| * is active. | |
| * </ul> | |
| * | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| @SuppressLint("ActionValue") | |
| public static final String ACTION_ACTIVE_DEVICE_CHANGED = | |
| "android.bluetooth.headset.profile.action.ACTIVE_DEVICE_CHANGED"; | |
| /** | |
| * Intent used to broadcast that the headset has posted a vendor-specific event. | |
| * | |
| * <p>This intent will have 4 extras and 1 category. | |
| * | |
| * <ul> | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote Bluetooth Device | |
| * <li>{@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD} - The vendor specific command | |
| * <li>{@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} - The AT command type which can | |
| * be one of {@link #AT_CMD_TYPE_READ}, {@link #AT_CMD_TYPE_TEST}, or {@link | |
| * #AT_CMD_TYPE_SET}, {@link #AT_CMD_TYPE_BASIC},{@link #AT_CMD_TYPE_ACTION}. | |
| * <li>{@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_ARGS} - Command arguments. | |
| * </ul> | |
| * | |
| * <p>The category is the Company ID of the vendor defining the vendor-specific command. {@link | |
| * BluetoothAssignedNumbers} | |
| * | |
| * <p>For example, for Plantronics specific events Category will be {@link | |
| * #VENDOR_SPECIFIC_HEADSET_EVENT_COMPANY_ID_CATEGORY}.55 | |
| * | |
| * <p>For example, an AT+XEVENT=foo,3 will get translated into | |
| * | |
| * <ul> | |
| * <li>EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD = +XEVENT | |
| * <li>EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE = AT_CMD_TYPE_SET | |
| * <li>EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_ARGS = foo, 3 | |
| * </ul> | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_VENDOR_SPECIFIC_HEADSET_EVENT = | |
| "android.bluetooth.headset.action.VENDOR_SPECIFIC_HEADSET_EVENT"; | |
| /** | |
| * A String extra field in {@link #ACTION_VENDOR_SPECIFIC_HEADSET_EVENT} intents that contains | |
| * the name of the vendor-specific command. | |
| */ | |
| public static final String EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD = | |
| "android.bluetooth.headset.extra.VENDOR_SPECIFIC_HEADSET_EVENT_CMD"; | |
| /** | |
| * An int extra field in {@link #ACTION_VENDOR_SPECIFIC_HEADSET_EVENT} intents that contains the | |
| * AT command type of the vendor-specific command. | |
| */ | |
| public static final String EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE = | |
| "android.bluetooth.headset.extra.VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE"; | |
| /** | |
| * AT command type READ used with {@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} For | |
| * example, AT+VGM?. There are no arguments for this command type. | |
| */ | |
| public static final int AT_CMD_TYPE_READ = 0; | |
| /** | |
| * AT command type TEST used with {@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} For | |
| * example, AT+VGM=?. There are no arguments for this command type. | |
| */ | |
| public static final int AT_CMD_TYPE_TEST = 1; | |
| /** | |
| * AT command type SET used with {@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} For | |
| * example, AT+VGM=<args>. | |
| */ | |
| public static final int AT_CMD_TYPE_SET = 2; | |
| /** | |
| * AT command type BASIC used with {@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} For | |
| * example, ATD. Single character commands and everything following the character are arguments. | |
| */ | |
| public static final int AT_CMD_TYPE_BASIC = 3; | |
| /** | |
| * AT command type ACTION used with {@link #EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_CMD_TYPE} For | |
| * example, AT+CHUP. There are no arguments for action commands. | |
| */ | |
| public static final int AT_CMD_TYPE_ACTION = 4; | |
| /** | |
| * A Parcelable String array extra field in {@link #ACTION_VENDOR_SPECIFIC_HEADSET_EVENT} | |
| * intents that contains the arguments to the vendor-specific command. | |
| */ | |
| public static final String EXTRA_VENDOR_SPECIFIC_HEADSET_EVENT_ARGS = | |
| "android.bluetooth.headset.extra.VENDOR_SPECIFIC_HEADSET_EVENT_ARGS"; | |
| /** | |
| * The intent category to be used with {@link #ACTION_VENDOR_SPECIFIC_HEADSET_EVENT} for the | |
| * companyId | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_COMPANY_ID_CATEGORY = | |
| "android.bluetooth.headset.intent.category.companyid"; | |
| /** A vendor-specific command for unsolicited result code. */ | |
| public static final String VENDOR_RESULT_CODE_COMMAND_ANDROID = "+ANDROID"; | |
| /** | |
| * A vendor-specific AT command | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_XAPL = "+XAPL"; | |
| /** | |
| * A vendor-specific AT command | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_IPHONEACCEV = "+IPHONEACCEV"; | |
| /** | |
| * Battery level indicator associated with {@link #VENDOR_SPECIFIC_HEADSET_EVENT_IPHONEACCEV} | |
| * | |
| * @hide | |
| */ | |
| public static final int VENDOR_SPECIFIC_HEADSET_EVENT_IPHONEACCEV_BATTERY_LEVEL = 1; | |
| /** | |
| * A vendor-specific AT command | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_XEVENT = "+XEVENT"; | |
| /** | |
| * Battery level indicator associated with {@link #VENDOR_SPECIFIC_HEADSET_EVENT_XEVENT} | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_XEVENT_BATTERY_LEVEL = "BATTERY"; | |
| /** | |
| * A vendor-specific AT command that asks for the information about device manufacturer. | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_CGMI = "+CGMI"; | |
| /** | |
| * A vendor-specific AT command that asks for the information about the model of the device. | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_CGMM = "+CGMM"; | |
| /** | |
| * A vendor-specific AT command that asks for the revision information, for Android we will | |
| * return the OS version and build number. | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_CGMR = "+CGMR"; | |
| /** | |
| * A vendor-specific AT command that asks for the device's serial number. | |
| * | |
| * @hide | |
| */ | |
| public static final String VENDOR_SPECIFIC_HEADSET_EVENT_CGSN = "+CGSN"; | |
| /** | |
| * Headset state when SCO audio is not connected. This state can be one of {@link #EXTRA_STATE} | |
| * or {@link #EXTRA_PREVIOUS_STATE} of {@link #ACTION_AUDIO_STATE_CHANGED} intent. | |
| */ | |
| public static final int STATE_AUDIO_DISCONNECTED = 10; | |
| /** | |
| * Headset state when SCO audio is connecting. This state can be one of {@link #EXTRA_STATE} or | |
| * {@link #EXTRA_PREVIOUS_STATE} of {@link #ACTION_AUDIO_STATE_CHANGED} intent. | |
| */ | |
| public static final int STATE_AUDIO_CONNECTING = 11; | |
| /** | |
| * Headset state when SCO audio is connected. This state can be one of {@link #EXTRA_STATE} or | |
| * {@link #EXTRA_PREVIOUS_STATE} of {@link #ACTION_AUDIO_STATE_CHANGED} intent. | |
| */ | |
| public static final int STATE_AUDIO_CONNECTED = 12; | |
| /** | |
| * Intent used to broadcast the headset's indicator status | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_HF_INDICATORS_IND_ID} - The Assigned number of headset Indicator which is | |
| * supported by the headset ( as indicated by AT+BIND command in the SLC sequence) or | |
| * whose value is changed (indicated by AT+BIEV command) | |
| * <li>{@link #EXTRA_HF_INDICATORS_IND_VALUE} - Updated value of headset indicator. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - Remote device. | |
| * </ul> | |
| * | |
| * <p>{@link #EXTRA_HF_INDICATORS_IND_ID} is defined by Bluetooth SIG and each of the indicators | |
| * are given an assigned number. Below shows the assigned number of Indicator added so far - | |
| * Enhanced Safety - 1, Valid Values: 0 - Disabled, 1 - Enabled - Battery Level - 2, Valid | |
| * Values: 0~100 - Remaining level of Battery | |
| * | |
| * @hide | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_HF_INDICATORS_VALUE_CHANGED = | |
| "android.bluetooth.headset.action.HF_INDICATORS_VALUE_CHANGED"; | |
| /** | |
| * A int extra field in {@link #ACTION_HF_INDICATORS_VALUE_CHANGED} intents that contains the | |
| * assigned number of the headset indicator as defined by Bluetooth SIG that is being sent. | |
| * Value range is 0-65535 as defined in HFP 1.7 | |
| * | |
| * @hide | |
| */ | |
| public static final String EXTRA_HF_INDICATORS_IND_ID = | |
| "android.bluetooth.headset.extra.HF_INDICATORS_IND_ID"; | |
| /** | |
| * A int extra field in {@link #ACTION_HF_INDICATORS_VALUE_CHANGED} intents that contains the | |
| * value of the Headset indicator that is being sent. | |
| * | |
| * @hide | |
| */ | |
| public static final String EXTRA_HF_INDICATORS_IND_VALUE = | |
| "android.bluetooth.headset.extra.HF_INDICATORS_IND_VALUE"; | |
| private final BluetoothAdapter mAdapter; | |
| private final AttributionSource mAttributionSource; | |
| private IBluetoothHeadset mService; | |
| /** Create a BluetoothHeadset proxy object. */ | |
| /* package */ BluetoothHeadset(Context context, BluetoothAdapter adapter) { | |
| mAdapter = adapter; | |
| mAttributionSource = adapter.getAttributionSource(); | |
| mService = null; | |
| } | |
| /** | |
| * Close the connection to the backing service. Other public functions of BluetoothHeadset will | |
| * return default error results once close() has been called. Multiple invocations of close() | |
| * are ok. | |
| * | |
| * @hide | |
| */ | |
| @UnsupportedAppUsage | |
| public void close() { | |
| mAdapter.closeProfileProxy(this); | |
| } | |
| /** @hide */ | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceConnected(IBinder service) { | |
| mService = IBluetoothHeadset.Stub.asInterface(service); | |
| } | |
| /** @hide */ | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceDisconnected() { | |
| mService = null; | |
| } | |
| private IBluetoothHeadset getService() { | |
| return mService; | |
| } | |
| /** @hide */ | |
| @Override | |
| @RequiresNoPermission | |
| public BluetoothAdapter getAdapter() { | |
| return mAdapter; | |
| } | |
| /** @hide */ | |
| @Override | |
| @SuppressWarnings("Finalize") // empty finalize for api signature | |
| protected void finalize() throws Throwable { | |
| // The empty finalize needs to be kept or the | |
| // cts signature tests would fail. | |
| } | |
| /** | |
| * Initiate connection to a profile of the remote bluetooth device. | |
| * | |
| * <p>Currently, the system supports only 1 connection to the headset/handsfree profile. The API | |
| * will automatically disconnect connected devices before connecting. | |
| * | |
| * <p>This API returns false in scenarios like the profile on the device is already connected or | |
| * Bluetooth is not turned on. When this API returns true, it is guaranteed that connection | |
| * state intent for the profile will be broadcasted with the state. Users can get the connection | |
| * state of the profile from this intent. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| MODIFY_PHONE_STATE, | |
| }) | |
| public boolean connect(BluetoothDevice device) { | |
| if (DBG) log("connect(" + device + ")"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(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 | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean disconnect(BluetoothDevice device) { | |
| if (DBG) log("disconnect(" + device + ")"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.disconnect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public List<BluetoothDevice> getConnectedDevices() { | |
| if (VDBG) log("getConnectedDevices()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getConnectedDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { | |
| if (VDBG) log("getDevicesMatchingStates()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource), | |
| mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public int getConnectionState(BluetoothDevice device) { | |
| if (VDBG) log("getConnectionState(" + device + ")"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionState(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return STATE_DISCONNECTED; | |
| } | |
| /** | |
| * Set connection policy of the profile | |
| * | |
| * <p>The device should already be paired. Connection policy can be one of {@link | |
| * #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN}, {@link | |
| * #CONNECTION_POLICY_UNKNOWN} | |
| * | |
| * @param device Paired bluetooth device | |
| * @param connectionPolicy is the connection policy to set to for this profile | |
| * @return true if connectionPolicy is set, false on error | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| MODIFY_PHONE_STATE, | |
| }) | |
| public boolean setConnectionPolicy( | |
| @NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) { | |
| if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() | |
| && isValidDevice(device) | |
| && (connectionPolicy == CONNECTION_POLICY_FORBIDDEN | |
| || connectionPolicy == 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 priority of the profile. | |
| * | |
| * <p>The priority can be any of: {@link #PRIORITY_AUTO_CONNECT}, {@link #PRIORITY_OFF}, {@link | |
| * #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED} | |
| * | |
| * @param device Bluetooth device | |
| * @return priority of the device | |
| * @hide | |
| */ | |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, 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 = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { | |
| if (VDBG) log("getConnectionPolicy(" + device + ")"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionPolicy(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return CONNECTION_POLICY_FORBIDDEN; | |
| } | |
| /** | |
| * Checks whether the headset supports some form of noise reduction | |
| * | |
| * @param device Bluetooth device | |
| * @return true if echo cancellation and/or noise reduction is supported, false otherwise | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean isNoiseReductionSupported(@NonNull BluetoothDevice device) { | |
| if (DBG) log("isNoiseReductionSupported()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.isNoiseReductionSupported(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Checks whether the headset supports voice recognition | |
| * | |
| * @param device Bluetooth device | |
| * @return true if voice recognition is supported, false otherwise | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean isVoiceRecognitionSupported(@NonNull BluetoothDevice device) { | |
| if (DBG) log("isVoiceRecognitionSupported()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.isVoiceRecognitionSupported(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Start Bluetooth voice recognition. This methods sends the voice recognition AT command to the | |
| * headset and establishes the audio connection. | |
| * | |
| * <p>Users can listen to {@link #ACTION_AUDIO_STATE_CHANGED}. If this function returns true, | |
| * this intent will be broadcasted with {@link #EXTRA_STATE} set to {@link | |
| * #STATE_AUDIO_CONNECTING}. | |
| * | |
| * <p>{@link #EXTRA_STATE} will transition from {@link #STATE_AUDIO_CONNECTING} to {@link | |
| * #STATE_AUDIO_CONNECTED} when audio connection is established and to {@link | |
| * #STATE_AUDIO_DISCONNECTED} in case of failure to establish the audio connection. | |
| * | |
| * @param device Bluetooth headset | |
| * @return false if there is no headset connected, or the connected headset doesn't support | |
| * voice recognition, or voice recognition is already started, or audio channel is occupied, | |
| * or on error, true otherwise | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean startVoiceRecognition(BluetoothDevice device) { | |
| if (DBG) log("startVoiceRecognition()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.startVoiceRecognition(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Stop Bluetooth Voice Recognition mode, and shut down the Bluetooth audio path. | |
| * | |
| * <p>Users can listen to {@link #ACTION_AUDIO_STATE_CHANGED}. If this function returns true, | |
| * this intent will be broadcasted with {@link #EXTRA_STATE} set to {@link | |
| * #STATE_AUDIO_DISCONNECTED}. | |
| * | |
| * @param device Bluetooth headset | |
| * @return false if there is no headset connected, or voice recognition has not started, or | |
| * voice recognition has ended on this headset, or on error, true otherwise | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean stopVoiceRecognition(BluetoothDevice device) { | |
| if (DBG) log("stopVoiceRecognition()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.stopVoiceRecognition(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Check if Bluetooth SCO audio is connected. | |
| * | |
| * @param device Bluetooth headset | |
| * @return true if SCO is connected, false otherwise or on error | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean isAudioConnected(BluetoothDevice device) { | |
| if (VDBG) log("isAudioConnected()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.isAudioConnected(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** @hide */ | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| BluetoothHeadset.STATE_AUDIO_DISCONNECTED, | |
| BluetoothHeadset.STATE_AUDIO_CONNECTING, | |
| BluetoothHeadset.STATE_AUDIO_CONNECTED, | |
| BluetoothStatusCodes.ERROR_TIMEOUT | |
| }) | |
| public @interface GetAudioStateReturnValues {} | |
| /** | |
| * Get the current audio state of the Headset. | |
| * | |
| * @param device is the Bluetooth device for which the audio state is being queried | |
| * @return the audio state of the device or an error code | |
| * @throws NullPointerException if the device is null | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @GetAudioStateReturnValues int getAudioState(@NonNull BluetoothDevice device) { | |
| if (VDBG) log("getAudioState"); | |
| requireNonNull(device); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (!isDisabled()) { | |
| try { | |
| return service.getAudioState(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return BluetoothHeadset.STATE_AUDIO_DISCONNECTED; | |
| } | |
| /** @hide */ | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| BluetoothStatusCodes.SUCCESS, | |
| BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND, | |
| BluetoothStatusCodes.ERROR_TIMEOUT, | |
| BluetoothStatusCodes.ERROR_UNKNOWN, | |
| }) | |
| public @interface SetAudioRouteAllowedReturnValues {} | |
| /** @hide */ | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| BluetoothStatusCodes.ALLOWED, | |
| BluetoothStatusCodes.NOT_ALLOWED, | |
| BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND, | |
| BluetoothStatusCodes.ERROR_TIMEOUT, | |
| BluetoothStatusCodes.ERROR_UNKNOWN, | |
| }) | |
| public @interface GetAudioRouteAllowedReturnValues {} | |
| /** | |
| * Sets whether audio routing is allowed. When set to {@code false}, the AG will not route any | |
| * audio to the HF unless explicitly told to. This method should be used in cases where the SCO | |
| * channel is shared between multiple profiles and must be delegated by a source knowledgeable. | |
| * | |
| * @param allowed {@code true} if the profile can reroute audio, {@code false} otherwise. | |
| * @return {@link BluetoothStatusCodes#SUCCESS} upon successful setting, otherwise an error | |
| * code. | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @SetAudioRouteAllowedReturnValues int setAudioRouteAllowed(boolean allowed) { | |
| if (VDBG) log("setAudioRouteAllowed"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| return BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND; | |
| } else if (isEnabled()) { | |
| try { | |
| service.setAudioRouteAllowed(allowed, mAttributionSource); | |
| return BluetoothStatusCodes.SUCCESS; | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| Log.e(TAG, "setAudioRouteAllowed: Bluetooth disabled, but profile service still bound"); | |
| return BluetoothStatusCodes.ERROR_UNKNOWN; | |
| } | |
| /** | |
| * @return {@link BluetoothStatusCodes#ALLOWED} if audio routing is allowed, {@link | |
| * BluetoothStatusCodes#NOT_ALLOWED} if audio routing is not allowed, or an error code if an | |
| * error occurs. see {@link #setAudioRouteAllowed(boolean)}. | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @GetAudioRouteAllowedReturnValues int getAudioRouteAllowed() { | |
| if (VDBG) log("getAudioRouteAllowed"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| return BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND; | |
| } else if (isEnabled()) { | |
| try { | |
| return service.getAudioRouteAllowed(mAttributionSource) | |
| ? BluetoothStatusCodes.ALLOWED | |
| : BluetoothStatusCodes.NOT_ALLOWED; | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| Log.e(TAG, "getAudioRouteAllowed: Bluetooth disabled, but profile service still bound"); | |
| return BluetoothStatusCodes.ERROR_UNKNOWN; | |
| } | |
| /** | |
| * Force SCO audio to be opened regardless any other restrictions | |
| * | |
| * @param forced Whether or not SCO audio connection should be forced: True to force SCO audio | |
| * False to use SCO audio in normal manner | |
| * @hide | |
| */ | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public void setForceScoAudio(boolean forced) { | |
| if (VDBG) log("setForceScoAudio " + String.valueOf(forced)); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| service.setForceScoAudio(forced, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| } | |
| /** @hide */ | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| BluetoothStatusCodes.SUCCESS, | |
| BluetoothStatusCodes.ERROR_UNKNOWN, | |
| BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND, | |
| BluetoothStatusCodes.ERROR_TIMEOUT, | |
| BluetoothStatusCodes.ERROR_AUDIO_DEVICE_ALREADY_CONNECTED, | |
| BluetoothStatusCodes.ERROR_NO_ACTIVE_DEVICES, | |
| BluetoothStatusCodes.ERROR_NOT_ACTIVE_DEVICE, | |
| BluetoothStatusCodes.ERROR_AUDIO_ROUTE_BLOCKED, | |
| BluetoothStatusCodes.ERROR_CALL_ACTIVE, | |
| BluetoothStatusCodes.ERROR_PROFILE_NOT_CONNECTED | |
| }) | |
| public @interface ConnectAudioReturnValues {} | |
| /** | |
| * Initiates a connection of SCO audio to the current active HFP device. The active HFP device | |
| * can be identified with {@link BluetoothAdapter#getActiveDevices(int)}. | |
| * | |
| * <p>If this function returns {@link BluetoothStatusCodes#SUCCESS}, the intent {@link | |
| * #ACTION_AUDIO_STATE_CHANGED} will be broadcasted twice. First with {@link #EXTRA_STATE} set | |
| * to {@link #STATE_AUDIO_CONNECTING}. This will be followed by a broadcast with {@link | |
| * #EXTRA_STATE} set to either {@link #STATE_AUDIO_CONNECTED} if the audio connection is | |
| * established or {@link #STATE_AUDIO_DISCONNECTED} if there was a failure in establishing the | |
| * audio connection. | |
| * | |
| * @return whether the connection was successfully initiated or an error code on failure | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @ConnectAudioReturnValues int connectAudio() { | |
| if (VDBG) log("connectAudio()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| return BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND; | |
| } else if (isEnabled()) { | |
| try { | |
| return service.connectAudio(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| Log.e(TAG, "connectAudio: Bluetooth disabled, but profile service still bound"); | |
| return BluetoothStatusCodes.ERROR_UNKNOWN; | |
| } | |
| /** @hide */ | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| BluetoothStatusCodes.SUCCESS, | |
| BluetoothStatusCodes.ERROR_UNKNOWN, | |
| BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND, | |
| BluetoothStatusCodes.ERROR_TIMEOUT, | |
| BluetoothStatusCodes.ERROR_PROFILE_NOT_CONNECTED, | |
| BluetoothStatusCodes.ERROR_AUDIO_DEVICE_ALREADY_DISCONNECTED | |
| }) | |
| public @interface DisconnectAudioReturnValues {} | |
| /** | |
| * Initiates a disconnection of HFP SCO audio from actively connected devices. It also tears | |
| * down voice recognition or virtual voice call, if any exists. | |
| * | |
| * <p>If this function returns {@link BluetoothStatusCodes#SUCCESS}, the intent {@link | |
| * #ACTION_AUDIO_STATE_CHANGED} will be broadcasted with {@link #EXTRA_STATE} set to {@link | |
| * #STATE_AUDIO_DISCONNECTED}. | |
| * | |
| * @return whether the disconnection was initiated successfully or an error code on failure | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public @DisconnectAudioReturnValues int disconnectAudio() { | |
| if (VDBG) log("disconnectAudio()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| return BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND; | |
| } else if (isEnabled()) { | |
| try { | |
| return service.disconnectAudio(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| Log.e(TAG, "disconnectAudio: Bluetooth disabled, but profile service still bound"); | |
| return BluetoothStatusCodes.ERROR_UNKNOWN; | |
| } | |
| /** | |
| * Initiates a SCO channel connection as a virtual voice call to the current active device | |
| * Active handsfree device will be notified of incoming call and connected call. | |
| * | |
| * <p>Users can listen to {@link #ACTION_AUDIO_STATE_CHANGED}. If this function returns true, | |
| * this intent will be broadcasted with {@link #EXTRA_STATE} set to {@link | |
| * #STATE_AUDIO_CONNECTING}. | |
| * | |
| * <p>{@link #EXTRA_STATE} will transition from {@link #STATE_AUDIO_CONNECTING} to {@link | |
| * #STATE_AUDIO_CONNECTED} when audio connection is established and to {@link | |
| * #STATE_AUDIO_DISCONNECTED} in case of failure to establish the audio connection. | |
| * | |
| * @return true if successful, false if one of the following case applies - SCO audio is not | |
| * idle (connecting or connected) - virtual call has already started - there is no active | |
| * device - a Telecom managed call is going on - binder is dead or Bluetooth is disabled or | |
| * other error | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| MODIFY_PHONE_STATE, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean startScoUsingVirtualVoiceCall() { | |
| if (DBG) log("startScoUsingVirtualVoiceCall()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return service.startScoUsingVirtualVoiceCall(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Terminates an ongoing SCO connection and the associated virtual call. | |
| * | |
| * <p>Users can listen to {@link #ACTION_AUDIO_STATE_CHANGED}. If this function returns true, | |
| * this intent will be broadcasted with {@link #EXTRA_STATE} set to {@link | |
| * #STATE_AUDIO_DISCONNECTED}. | |
| * | |
| * @return true if successful, false if one of the following case applies - virtual voice call | |
| * is not started or has ended - binder is dead or Bluetooth is disabled or other error | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| MODIFY_PHONE_STATE, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean stopScoUsingVirtualVoiceCall() { | |
| if (DBG) log("stopScoUsingVirtualVoiceCall()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return service.stopScoUsingVirtualVoiceCall(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Sends a vendor-specific unsolicited result code to the headset. | |
| * | |
| * <p>The actual string to be sent is <code>command + ": " + arg</code>. For example, if {@code | |
| * command} is {@link #VENDOR_RESULT_CODE_COMMAND_ANDROID} and {@code arg} is {@code "0"}, the | |
| * string <code>"+ANDROID: 0"</code> will be sent. | |
| * | |
| * <p>Currently only {@link #VENDOR_RESULT_CODE_COMMAND_ANDROID} is allowed as {@code command}. | |
| * | |
| * @param device Bluetooth headset. | |
| * @param command A vendor-specific command. | |
| * @param arg The argument that will be attached to the command. | |
| * @return {@code false} if there is no headset connected, or if the command is not an allowed | |
| * vendor-specific unsolicited result code, or on error. {@code true} otherwise. | |
| * @throws IllegalArgumentException if {@code command} is {@code null}. | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean sendVendorSpecificResultCode( | |
| BluetoothDevice device, String command, String arg) { | |
| if (DBG) { | |
| log("sendVendorSpecificResultCode()"); | |
| } | |
| if (command == null) { | |
| throw new IllegalArgumentException("command is null"); | |
| } | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.sendVendorSpecificResultCode( | |
| device, command, arg, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Select a connected device as active. | |
| * | |
| * <p>The active device selection is per profile. An active device's purpose is | |
| * profile-specific. For example, in HFP and HSP profiles, it is the device used for phone call | |
| * audio. 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 Remote Bluetooth Device, could be null if phone call audio should not be | |
| * streamed to a headset | |
| * @return false on immediate error, true otherwise | |
| * @hide | |
| */ | |
| @RequiresLegacyBluetoothAdminPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| MODIFY_PHONE_STATE, | |
| }) | |
| @UnsupportedAppUsage(trackingBug = 171933273) | |
| public boolean setActiveDevice(@Nullable BluetoothDevice device) { | |
| if (DBG) { | |
| Log.d(TAG, "setActiveDevice: " + device); | |
| } | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(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 device that is active. | |
| * | |
| * @return the connected device that is active or null if no device is active. | |
| * @hide | |
| */ | |
| @UnsupportedAppUsage(trackingBug = 171933273) | |
| @Nullable | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public BluetoothDevice getActiveDevice() { | |
| if (VDBG) Log.d(TAG, "getActiveDevice"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getActiveDevice(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return null; | |
| } | |
| /** | |
| * Check if in-band ringing is currently enabled. In-band ringing could be disabled during an | |
| * active connection. | |
| * | |
| * @return true if in-band ringing is enabled, false if in-band ringing is disabled | |
| * @hide | |
| */ | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission( | |
| allOf = { | |
| BLUETOOTH_CONNECT, | |
| BLUETOOTH_PRIVILEGED, | |
| }) | |
| public boolean isInbandRingingEnabled() { | |
| if (DBG) log("isInbandRingingEnabled()"); | |
| final IBluetoothHeadset service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (isEnabled()) { | |
| try { | |
| return service.isInbandRingingEnabled(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| @UnsupportedAppUsage | |
| private boolean isEnabled() { | |
| return mAdapter.getState() == BluetoothAdapter.STATE_ON; | |
| } | |
| private boolean isDisabled() { | |
| return mAdapter.getState() == BluetoothAdapter.STATE_OFF; | |
| } | |
| private static void log(String msg) { | |
| Log.d(TAG, msg); | |
| } | |
| } |