| /* |
| * Copyright (C) 2014 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 android.annotation.IntRange; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| 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.RequiresLegacyBluetoothPermission; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.AttributionSource; |
| import android.content.Context; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.RemoteException; |
| import android.util.CloseGuard; |
| import android.util.Log; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * This class provides the System APIs to interact with the Hands-Free Client profile. |
| * |
| * <p>BluetoothHeadsetClient is a proxy object for controlling the Bluetooth HFP Client Service via |
| * IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the BluetoothHeadsetClient proxy object. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final class BluetoothHeadsetClient implements BluetoothProfile, AutoCloseable { |
| private static final String TAG = "BluetoothHeadsetClient"; |
| private static final boolean DBG = true; |
| private static final boolean VDBG = false; |
| private final CloseGuard mCloseGuard; |
| |
| /** |
| * Intent used to broadcast the change in connection state of the HFP Client 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}. |
| * |
| * @hide |
| */ |
| @SuppressLint("ActionValue") |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_CONNECTION_STATE_CHANGED = |
| "android.bluetooth.headsetclient.profile.action.CONNECTION_STATE_CHANGED"; |
| |
| /** |
| * Intent sent whenever audio state changes. |
| * |
| * <p>It includes two mandatory extras: {@link BluetoothProfile#EXTRA_STATE}, {@link |
| * BluetoothProfile#EXTRA_PREVIOUS_STATE}, with possible values: {@link |
| * #STATE_AUDIO_CONNECTING}, {@link #STATE_AUDIO_CONNECTED}, {@link #STATE_AUDIO_DISCONNECTED} |
| * |
| * <p>When <code>EXTRA_STATE</code> is set to </code>STATE_AUDIO_CONNECTED</code>, it also |
| * includes {@link #EXTRA_AUDIO_WBS} indicating wide band speech support. |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| @SuppressLint("ActionValue") |
| public static final String ACTION_AUDIO_STATE_CHANGED = |
| "android.bluetooth.headsetclient.profile.action.AUDIO_STATE_CHANGED"; |
| |
| /** |
| * Intent sending updates of the Audio Gateway state. Each extra is being sent only when value |
| * it represents has been changed recently on AG. |
| * |
| * <p>It can contain one or more of the following extras: {@link #EXTRA_NETWORK_STATUS}, {@link |
| * #EXTRA_NETWORK_SIGNAL_STRENGTH}, {@link #EXTRA_NETWORK_ROAMING}, {@link |
| * #EXTRA_BATTERY_LEVEL}, {@link #EXTRA_OPERATOR_NAME}, {@link #EXTRA_VOICE_RECOGNITION}, {@link |
| * #EXTRA_IN_BAND_RING} |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_AG_EVENT = |
| "android.bluetooth.headsetclient.profile.action.AG_EVENT"; |
| |
| /** |
| * Intent sent whenever state of a call changes. |
| * |
| * <p>It includes: {@link #EXTRA_CALL}, with value of {@link BluetoothHeadsetClientCall} |
| * instance, representing actual call state. |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_CALL_CHANGED = |
| "android.bluetooth.headsetclient.profile.action.AG_CALL_CHANGED"; |
| |
| /** |
| * Intent that notifies about the result of the last issued action. Please note that not every |
| * action results in explicit action result code being sent. Instead other notifications about |
| * new Audio Gateway state might be sent, like <code>ACTION_AG_EVENT</code> with <code> |
| * EXTRA_VOICE_RECOGNITION</code> value when for example user started voice recognition from HF |
| * unit. |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_RESULT = |
| "android.bluetooth.headsetclient.profile.action.RESULT"; |
| |
| /** |
| * Intent that notifies about vendor specific event arrival. Events not defined in HFP spec will |
| * be matched with supported vendor event list and this intent will be broadcasted upon a match. |
| * Supported vendor events are of format of "+eventCode" or "+eventCode=xxxx" or |
| * "+eventCode:=xxxx". Vendor event can be a response to a vendor specific command or |
| * unsolicited. |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_VENDOR_SPECIFIC_HEADSETCLIENT_EVENT = |
| "android.bluetooth.headsetclient.profile.action.VENDOR_SPECIFIC_EVENT"; |
| |
| /** |
| * Intent that notifies about the number attached to the last voice tag recorded on AG. |
| * |
| * <p>It contains: {@link #EXTRA_NUMBER}, with a <code>String</code> value representing phone |
| * number. |
| * |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_LAST_VTAG = |
| "android.bluetooth.headsetclient.profile.action.LAST_VTAG"; |
| |
| /** @hide */ |
| public static final int STATE_AUDIO_DISCONNECTED = 0; |
| |
| /** @hide */ |
| public static final int STATE_AUDIO_CONNECTING = 1; |
| |
| /** @hide */ |
| public static final int STATE_AUDIO_CONNECTED = 2; |
| |
| /** |
| * Extra with information if connected audio is WBS. |
| * |
| * <p>Possible values: <code>true</code>, <code>false</code>. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AUDIO_WBS = "android.bluetooth.headsetclient.extra.AUDIO_WBS"; |
| |
| /** |
| * Extra for AG_EVENT indicates network status. |
| * |
| * <p>Value: 0 - network unavailable, 1 - network available |
| * |
| * @hide |
| */ |
| public static final String EXTRA_NETWORK_STATUS = |
| "android.bluetooth.headsetclient.extra.NETWORK_STATUS"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates network signal strength. |
| * |
| * <p>Value: <code>Integer</code> representing signal strength. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_NETWORK_SIGNAL_STRENGTH = |
| "android.bluetooth.headsetclient.extra.NETWORK_SIGNAL_STRENGTH"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates roaming state. |
| * |
| * <p>Value: 0 - no roaming 1 - active roaming |
| * |
| * @hide |
| */ |
| public static final String EXTRA_NETWORK_ROAMING = |
| "android.bluetooth.headsetclient.extra.NETWORK_ROAMING"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates the battery level. |
| * |
| * <p>Value: <code>Integer</code> representing signal strength. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_BATTERY_LEVEL = |
| "android.bluetooth.headsetclient.extra.BATTERY_LEVEL"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates operator name. |
| * |
| * <p>Value: <code>String</code> representing operator name. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_OPERATOR_NAME = |
| "android.bluetooth.headsetclient.extra.OPERATOR_NAME"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates voice recognition state. |
| * |
| * <p>Value: 0 - voice recognition stopped, 1 - voice recognition started. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_VOICE_RECOGNITION = |
| "android.bluetooth.headsetclient.extra.VOICE_RECOGNITION"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates in band ring state. |
| * |
| * <p>Value: 0 - in band ring tone not supported, or 1 - in band ring tone supported. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_IN_BAND_RING = |
| "android.bluetooth.headsetclient.extra.IN_BAND_RING"; |
| |
| /** |
| * Extra for AG_EVENT intent indicates subscriber info. |
| * |
| * <p>Value: <code>String</code> containing subscriber information. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_SUBSCRIBER_INFO = |
| "android.bluetooth.headsetclient.extra.SUBSCRIBER_INFO"; |
| |
| /** |
| * Extra for AG_CALL_CHANGED intent indicates the {@link BluetoothHeadsetClientCall} object that |
| * has changed. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_CALL = "android.bluetooth.headsetclient.extra.CALL"; |
| |
| /** |
| * Extra for ACTION_LAST_VTAG intent. |
| * |
| * <p>Value: <code>String</code> representing phone number corresponding to last voice tag |
| * recorded on AG |
| * |
| * @hide |
| */ |
| public static final String EXTRA_NUMBER = "android.bluetooth.headsetclient.extra.NUMBER"; |
| |
| /** |
| * Extra for ACTION_RESULT intent that shows the result code of last issued action. |
| * |
| * <p>Possible results: {@link #ACTION_RESULT_OK}, {@link #ACTION_RESULT_ERROR}, {@link |
| * #ACTION_RESULT_ERROR_NO_CARRIER}, {@link #ACTION_RESULT_ERROR_BUSY}, {@link |
| * #ACTION_RESULT_ERROR_NO_ANSWER}, {@link #ACTION_RESULT_ERROR_DELAYED}, {@link |
| * #ACTION_RESULT_ERROR_BLACKLISTED}, {@link #ACTION_RESULT_ERROR_CME} |
| * |
| * @hide |
| */ |
| public static final String EXTRA_RESULT_CODE = |
| "android.bluetooth.headsetclient.extra.RESULT_CODE"; |
| |
| /** |
| * Extra for ACTION_RESULT intent that shows the extended result code of last issued action. |
| * |
| * <p>Value: <code>Integer</code> - error code. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_CME_CODE = "android.bluetooth.headsetclient.extra.CME_CODE"; |
| |
| /** |
| * Extra for VENDOR_SPECIFIC_HEADSETCLIENT_EVENT intent that indicates vendor ID. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_VENDOR_ID = "android.bluetooth.headsetclient.extra.VENDOR_ID"; |
| |
| /** |
| * Extra for VENDOR_SPECIFIC_HEADSETCLIENT_EVENT intent that indicates vendor event code. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_VENDOR_EVENT_CODE = |
| "android.bluetooth.headsetclient.extra.VENDOR_EVENT_CODE"; |
| |
| /** |
| * Extra for VENDOR_SPECIFIC_HEADSETCLIENT_EVENT intent that contains full vendor event |
| * including event code and full arguments. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_VENDOR_EVENT_FULL_ARGS = |
| "android.bluetooth.headsetclient.extra.VENDOR_EVENT_FULL_ARGS"; |
| |
| /* Extras for AG_FEATURES, extras type is boolean */ |
| // TODO verify if all of those are actually useful |
| /** |
| * AG feature: three way calling. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_3WAY_CALLING = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_3WAY_CALLING"; |
| |
| /** |
| * AG feature: voice recognition. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_VOICE_RECOGNITION = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_VOICE_RECOGNITION"; |
| |
| /** |
| * AG feature: fetching phone number for voice tagging procedure. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_ATTACH_NUMBER_TO_VT = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_ATTACH_NUMBER_TO_VT"; |
| |
| /** |
| * AG feature: ability to reject incoming call. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_REJECT_CALL = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_REJECT_CALL"; |
| |
| /** |
| * AG feature: enhanced call handling (terminate specific call, private consultation). |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_ECC = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_ECC"; |
| |
| /** |
| * AG feature: response and hold. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_RESPONSE_AND_HOLD = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_RESPONSE_AND_HOLD"; |
| |
| /** |
| * AG call handling feature: accept held or waiting call in three way calling scenarios. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_ACCEPT_HELD_OR_WAITING_CALL = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_ACCEPT_HELD_OR_WAITING_CALL"; |
| |
| /** |
| * AG call handling feature: release held or waiting call in three way calling scenarios. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_RELEASE_HELD_OR_WAITING_CALL = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_RELEASE_HELD_OR_WAITING_CALL"; |
| |
| /** |
| * AG call handling feature: release active call and accept held or waiting call in three way |
| * calling scenarios. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_RELEASE_AND_ACCEPT = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_RELEASE_AND_ACCEPT"; |
| |
| /** |
| * AG call handling feature: merge two calls, held and active - multi party conference mode. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_MERGE = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_MERGE"; |
| |
| /** |
| * AG call handling feature: merge calls and disconnect from multi party conversation leaving |
| * peers connected to each other. Note that this feature needs to be supported by mobile network |
| * operator as it requires connection and billing transfer. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_AG_FEATURE_MERGE_AND_DETACH = |
| "android.bluetooth.headsetclient.extra.EXTRA_AG_FEATURE_MERGE_AND_DETACH"; |
| |
| /* Action result codes */ |
| /** @hide */ |
| public static final int ACTION_RESULT_OK = 0; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR = 1; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_NO_CARRIER = 2; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_BUSY = 3; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_NO_ANSWER = 4; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_DELAYED = 5; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_BLACKLISTED = 6; |
| |
| /** @hide */ |
| public static final int ACTION_RESULT_ERROR_CME = 7; |
| |
| /* Detailed CME error codes */ |
| /** @hide */ |
| public static final int CME_PHONE_FAILURE = 0; |
| |
| /** @hide */ |
| public static final int CME_NO_CONNECTION_TO_PHONE = 1; |
| |
| /** @hide */ |
| public static final int CME_OPERATION_NOT_ALLOWED = 3; |
| |
| /** @hide */ |
| public static final int CME_OPERATION_NOT_SUPPORTED = 4; |
| |
| /** @hide */ |
| public static final int CME_PHSIM_PIN_REQUIRED = 5; |
| |
| /** @hide */ |
| public static final int CME_PHFSIM_PIN_REQUIRED = 6; |
| |
| /** @hide */ |
| public static final int CME_PHFSIM_PUK_REQUIRED = 7; |
| |
| /** @hide */ |
| public static final int CME_SIM_NOT_INSERTED = 10; |
| |
| /** @hide */ |
| public static final int CME_SIM_PIN_REQUIRED = 11; |
| |
| /** @hide */ |
| public static final int CME_SIM_PUK_REQUIRED = 12; |
| |
| /** @hide */ |
| public static final int CME_SIM_FAILURE = 13; |
| |
| /** @hide */ |
| public static final int CME_SIM_BUSY = 14; |
| |
| /** @hide */ |
| public static final int CME_SIM_WRONG = 15; |
| |
| /** @hide */ |
| public static final int CME_INCORRECT_PASSWORD = 16; |
| |
| /** @hide */ |
| public static final int CME_SIM_PIN2_REQUIRED = 17; |
| |
| /** @hide */ |
| public static final int CME_SIM_PUK2_REQUIRED = 18; |
| |
| /** @hide */ |
| public static final int CME_MEMORY_FULL = 20; |
| |
| /** @hide */ |
| public static final int CME_INVALID_INDEX = 21; |
| |
| /** @hide */ |
| public static final int CME_NOT_FOUND = 22; |
| |
| /** @hide */ |
| public static final int CME_MEMORY_FAILURE = 23; |
| |
| /** @hide */ |
| public static final int CME_TEXT_STRING_TOO_LONG = 24; |
| |
| /** @hide */ |
| public static final int CME_INVALID_CHARACTER_IN_TEXT_STRING = 25; |
| |
| /** @hide */ |
| public static final int CME_DIAL_STRING_TOO_LONG = 26; |
| |
| /** @hide */ |
| public static final int CME_INVALID_CHARACTER_IN_DIAL_STRING = 27; |
| |
| /** @hide */ |
| public static final int CME_NO_NETWORK_SERVICE = 30; |
| |
| /** @hide */ |
| public static final int CME_NETWORK_TIMEOUT = 31; |
| |
| /** @hide */ |
| public static final int CME_EMERGENCY_SERVICE_ONLY = 32; |
| |
| /** @hide */ |
| public static final int CME_NO_SIMULTANEOUS_VOIP_CS_CALLS = 33; |
| |
| /** @hide */ |
| public static final int CME_NOT_SUPPORTED_FOR_VOIP = 34; |
| |
| /** @hide */ |
| public static final int CME_SIP_RESPONSE_CODE = 35; |
| |
| /** @hide */ |
| public static final int CME_NETWORK_PERSONALIZATION_PIN_REQUIRED = 40; |
| |
| /** @hide */ |
| public static final int CME_NETWORK_PERSONALIZATION_PUK_REQUIRED = 41; |
| |
| /** @hide */ |
| public static final int CME_NETWORK_SUBSET_PERSONALIZATION_PIN_REQUIRED = 42; |
| |
| /** @hide */ |
| public static final int CME_NETWORK_SUBSET_PERSONALIZATION_PUK_REQUIRED = 43; |
| |
| /** @hide */ |
| public static final int CME_SERVICE_PROVIDER_PERSONALIZATION_PIN_REQUIRED = 44; |
| |
| /** @hide */ |
| public static final int CME_SERVICE_PROVIDER_PERSONALIZATION_PUK_REQUIRED = 45; |
| |
| /** @hide */ |
| public static final int CME_CORPORATE_PERSONALIZATION_PIN_REQUIRED = 46; |
| |
| /** @hide */ |
| public static final int CME_CORPORATE_PERSONALIZATION_PUK_REQUIRED = 47; |
| |
| /** @hide */ |
| public static final int CME_HIDDEN_KEY_REQUIRED = 48; |
| |
| /** @hide */ |
| public static final int CME_EAP_NOT_SUPPORTED = 49; |
| |
| /** @hide */ |
| public static final int CME_INCORRECT_PARAMETERS = 50; |
| |
| /* Action policy for other calls when accepting call */ |
| /** @hide */ |
| public static final int CALL_ACCEPT_NONE = 0; |
| |
| /** @hide */ |
| public static final int CALL_ACCEPT_HOLD = 1; |
| |
| /** @hide */ |
| public static final int CALL_ACCEPT_TERMINATE = 2; |
| |
| private final BluetoothAdapter mAdapter; |
| private final AttributionSource mAttributionSource; |
| |
| private IBluetoothHeadsetClient mService; |
| |
| /** Create a BluetoothHeadsetClient proxy object. */ |
| BluetoothHeadsetClient(Context context, BluetoothAdapter adapter) { |
| mAdapter = adapter; |
| mAttributionSource = adapter.getAttributionSource(); |
| mService = null; |
| mCloseGuard = new CloseGuard(); |
| mCloseGuard.open("close"); |
| } |
| |
| /** |
| * Close the connection to the backing service. Other public functions of BluetoothHeadsetClient |
| * will return default error results once close() has been called. Multiple invocations of |
| * close() are ok. |
| * |
| * @hide |
| */ |
| @Override |
| public void close() { |
| if (VDBG) log("close()"); |
| mAdapter.closeProfileProxy(this); |
| if (mCloseGuard != null) { |
| mCloseGuard.close(); |
| } |
| } |
| |
| /** @hide */ |
| @Override |
| public void onServiceConnected(IBinder service) { |
| mService = IBluetoothHeadsetClient.Stub.asInterface(service); |
| } |
| |
| /** @hide */ |
| @Override |
| public void onServiceDisconnected() { |
| mService = null; |
| } |
| |
| private IBluetoothHeadsetClient getService() { |
| return mService; |
| } |
| |
| /** @hide */ |
| @Override |
| public BluetoothAdapter getAdapter() { |
| return mAdapter; |
| } |
| |
| /** @hide */ |
| @SuppressWarnings("Finalize") // TODO(b/314811467) |
| protected void finalize() { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| close(); |
| } |
| |
| /** |
| * Connects to remote device. |
| * |
| * <p>Currently, the system supports only 1 connection. So, in case of the second connection, |
| * this implementation will disconnect already connected device automatically and will process |
| * the new one. |
| * |
| * @param device a remote device we want connect to |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CONNECTION_STATE_CHANGED} intent. |
| * @hide |
| */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean connect(BluetoothDevice device) { |
| if (DBG) log("connect(" + device + ")"); |
| final IBluetoothHeadsetClient 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; |
| } |
| |
| /** |
| * Disconnects remote device |
| * |
| * @param device a remote device we want disconnect |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CONNECTION_STATE_CHANGED} intent. |
| * @hide |
| */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean disconnect(BluetoothDevice device) { |
| if (DBG) log("disconnect(" + device + ")"); |
| final IBluetoothHeadsetClient 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} |
| * |
| * @hide |
| */ |
| @SystemApi |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { |
| if (VDBG) log("getConnectedDevices()"); |
| final IBluetoothHeadsetClient 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())); |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @hide |
| */ |
| @SystemApi |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @NonNull |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[] states) { |
| if (VDBG) log("getDevicesMatchingStates()"); |
| final IBluetoothHeadsetClient 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())); |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @hide |
| */ |
| @SystemApi |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @BtProfileState int getConnectionState(@NonNull BluetoothDevice device) { |
| if (VDBG) log("getConnectionState(" + device + ")"); |
| final IBluetoothHeadsetClient 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())); |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| /** |
| * Set priority of the profile |
| * |
| * <p>The device should already be paired. Priority can be one of {@link #PRIORITY_ON} or {@link |
| * #PRIORITY_OFF} |
| * |
| * @param device Paired bluetooth device |
| * @return true if priority is set, false on error |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean setPriority(BluetoothDevice device, int priority) { |
| if (DBG) log("setPriority(" + device + ", " + priority + ")"); |
| return setConnectionPolicy(device, BluetoothAdapter.priorityToConnectionPolicy(priority)); |
| } |
| |
| /** |
| * 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("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); |
| final IBluetoothHeadsetClient 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 == 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())); |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Get the priority of the profile. |
| * |
| * <p>The priority can be any of: {@link #PRIORITY_OFF}, {@link #PRIORITY_ON}, {@link |
| * #PRIORITY_UNDEFINED} |
| * |
| * @param device Bluetooth device |
| * @return priority of the device |
| * @hide |
| */ |
| @RequiresLegacyBluetoothPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| 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 |
| @RequiresLegacyBluetoothPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { |
| if (VDBG) log("getConnectionPolicy(" + device + ")"); |
| final IBluetoothHeadsetClient 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())); |
| throw e.rethrowAsRuntimeException(); |
| } |
| } |
| return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| } |
| |
| /** |
| * Starts voice recognition. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_AG_EVENT} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_VOICE_RECOGNITION}. This method invocation will fail silently when |
| * feature is not supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean startVoiceRecognition(BluetoothDevice device) { |
| if (DBG) log("startVoiceRecognition()"); |
| final IBluetoothHeadsetClient 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; |
| } |
| |
| /** |
| * Send vendor specific AT command. |
| * |
| * @param device remote device |
| * @param vendorId vendor number by Bluetooth SIG |
| * @param atCommand command to be sent. It start with + prefix and only one command at one time. |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean sendVendorAtCommand(BluetoothDevice device, int vendorId, String atCommand) { |
| if (DBG) log("sendVendorSpecificCommand()"); |
| final IBluetoothHeadsetClient 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.sendVendorAtCommand(device, vendorId, atCommand, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Stops voice recognition. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_AG_EVENT} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_VOICE_RECOGNITION}. This method invocation will fail silently when |
| * feature is not supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean stopVoiceRecognition(BluetoothDevice device) { |
| if (DBG) log("stopVoiceRecognition()"); |
| final IBluetoothHeadsetClient 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; |
| } |
| |
| /** |
| * Returns list of all calls in any state. |
| * |
| * @param device remote device |
| * @return list of calls; empty list if none call exists |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public List<BluetoothHeadsetClientCall> getCurrentCalls(BluetoothDevice device) { |
| if (DBG) log("getCurrentCalls()"); |
| final IBluetoothHeadsetClient 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 Attributable.setAttributionSource( |
| service.getCurrentCalls(device, mAttributionSource), mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns list of current values of AG indicators. |
| * |
| * @param device remote device |
| * @return bundle of AG indicators; null if device is not in CONNECTED state |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public Bundle getCurrentAgEvents(BluetoothDevice device) { |
| if (DBG) log("getCurrentAgEvents()"); |
| final IBluetoothHeadsetClient 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.getCurrentAgEvents(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Accepts a call |
| * |
| * @param device remote device |
| * @param flag action policy while accepting a call. Possible values {@link #CALL_ACCEPT_NONE}, |
| * {@link #CALL_ACCEPT_HOLD}, {@link #CALL_ACCEPT_TERMINATE} |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * @hide |
| */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean acceptCall(BluetoothDevice device, int flag) { |
| if (DBG) log("acceptCall()"); |
| final IBluetoothHeadsetClient 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.acceptCall(device, flag, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Holds a call. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean holdCall(BluetoothDevice device) { |
| if (DBG) log("holdCall()"); |
| final IBluetoothHeadsetClient 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.holdCall(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Rejects a call. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_REJECT_CALL}. This method invocation will fail silently when feature is |
| * not supported. |
| * @hide |
| */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean rejectCall(BluetoothDevice device) { |
| if (DBG) log("rejectCall()"); |
| final IBluetoothHeadsetClient 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.rejectCall(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Terminates a specified call. |
| * |
| * <p>Works only when Extended Call Control is supported by Audio Gateway. |
| * |
| * @param device remote device |
| * @param call Handle of call obtained in {@link #dial(BluetoothDevice, String)} or obtained via |
| * {@link #ACTION_CALL_CHANGED}. {@code call} may be null in which case we will hangup all |
| * active calls. |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_ECC}. This method invocation will fail silently when feature is not |
| * supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean terminateCall(BluetoothDevice device, BluetoothHeadsetClientCall call) { |
| if (DBG) log("terminateCall()"); |
| final IBluetoothHeadsetClient 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.terminateCall(device, call, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Enters private mode with a specified call. |
| * |
| * <p>Works only when Extended Call Control is supported by Audio Gateway. |
| * |
| * @param device remote device |
| * @param index index of the call to connect in private mode |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_ECC}. This method invocation will fail silently when feature is not |
| * supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean enterPrivateMode(BluetoothDevice device, int index) { |
| if (DBG) log("enterPrivateMode()"); |
| final IBluetoothHeadsetClient 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.enterPrivateMode(device, index, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Performs explicit call transfer. |
| * |
| * <p>That means connect other calls and disconnect. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_CALL_CHANGED} intent. |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_MERGE_AND_DETACH}. This method invocation will fail silently when |
| * feature is not supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean explicitCallTransfer(BluetoothDevice device) { |
| if (DBG) log("explicitCallTransfer()"); |
| final IBluetoothHeadsetClient 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.explicitCallTransfer(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Places a call with specified number. |
| * |
| * @param device remote device |
| * @param number valid phone number |
| * @return <code>{@link BluetoothHeadsetClientCall} call</code> if command has been issued |
| * successfully; <code>{@code null}</code> otherwise; upon completion HFP sends {@link |
| * #ACTION_CALL_CHANGED} intent in case of success; {@link #ACTION_RESULT} is sent |
| * otherwise; |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public BluetoothHeadsetClientCall dial(BluetoothDevice device, String number) { |
| if (DBG) log("dial()"); |
| final IBluetoothHeadsetClient 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 Attributable.setAttributionSource( |
| service.dial(device, number, mAttributionSource), mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Sends DTMF code. |
| * |
| * <p>Possible code values : 0,1,2,3,4,5,6,7,8,9,A,B,C,D,*,# |
| * |
| * @param device remote device |
| * @param code ASCII code |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_RESULT} intent; |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean sendDTMF(BluetoothDevice device, byte code) { |
| if (DBG) log("sendDTMF()"); |
| final IBluetoothHeadsetClient 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.sendDTMF(device, code, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Get a number corresponding to last voice tag recorded on AG. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_LAST_VTAG} or {@link #ACTION_RESULT} |
| * intent; |
| * <p>Feature required for successful execution is being reported by: {@link |
| * #EXTRA_AG_FEATURE_ATTACH_NUMBER_TO_VT}. This method invocation will fail silently when |
| * feature is not supported. |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean getLastVoiceTagNumber(BluetoothDevice device) { |
| if (DBG) log("getLastVoiceTagNumber()"); |
| final IBluetoothHeadsetClient 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.getLastVoiceTagNumber(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns current audio state of Audio Gateway. |
| * |
| * <p>Note: This is an internal function and shouldn't be exposed |
| * |
| * @hide |
| */ |
| @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public int getAudioState(BluetoothDevice device) { |
| if (VDBG) log("getAudioState"); |
| final IBluetoothHeadsetClient 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.getAudioState(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return BluetoothHeadsetClient.STATE_AUDIO_DISCONNECTED; |
| } |
| |
| /** |
| * Sets whether audio routing is allowed. |
| * |
| * @param device remote device |
| * @param allowed if routing is allowed to the device Note: This is an internal function and |
| * shouldn't be exposed |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public void setAudioRouteAllowed(BluetoothDevice device, boolean allowed) { |
| if (VDBG) log("setAudioRouteAllowed"); |
| final IBluetoothHeadsetClient 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.setAudioRouteAllowed(device, allowed, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether audio routing is allowed. |
| * |
| * @param device remote device |
| * @return whether the command succeeded Note: This is an internal function and shouldn't be |
| * exposed |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean getAudioRouteAllowed(BluetoothDevice device) { |
| if (VDBG) log("getAudioRouteAllowed"); |
| final IBluetoothHeadsetClient 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.getAudioRouteAllowed(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Initiates a connection of audio channel. |
| * |
| * <p>It setup SCO channel with remote connected Handsfree AG device. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_AUDIO_STATE_CHANGED} intent; |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean connectAudio(BluetoothDevice device) { |
| if (VDBG) log("connectAudio"); |
| final IBluetoothHeadsetClient 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.connectAudio(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Disconnects audio channel. |
| * |
| * <p>It tears down the SCO channel from remote AG device. |
| * |
| * @param device remote device |
| * @return <code>true</code> if command has been issued successfully; <code>false</code> |
| * otherwise; upon completion HFP sends {@link #ACTION_AUDIO_STATE_CHANGED} intent; |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean disconnectAudio(BluetoothDevice device) { |
| if (VDBG) log("disconnectAudio"); |
| final IBluetoothHeadsetClient 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.disconnectAudio(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Get Audio Gateway features |
| * |
| * @param device remote device |
| * @return bundle of AG features; null if no service or AG not connected |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public Bundle getCurrentAgFeatures(BluetoothDevice device) { |
| if (VDBG) log("getCurrentAgFeatures"); |
| final IBluetoothHeadsetClient 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.getCurrentAgFeatures(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * A class that contains the network service info provided by the HFP Client profile |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final class NetworkServiceState implements Parcelable { |
| /** The device associated with this service state */ |
| private final BluetoothDevice mDevice; |
| |
| /** True if there is service available, False otherwise */ |
| private final boolean mIsServiceAvailable; |
| |
| /** The name of the operator associated with the remote device's current network */ |
| private final String mOperatorName; |
| |
| /** The general signal strength, from 0 to 5 */ |
| private final int mSignalStrength; |
| |
| /** True if we are network roaming, False otherwise */ |
| private final boolean mIsRoaming; |
| |
| /** |
| * Create a NetworkServiceState Object |
| * |
| * @param device The device associated with this network signal state |
| * @param isServiceAvailable True if there is service available, False otherwise |
| * @param operatorName The name of the operator associated with the remote device's current |
| * network. Use Null if the value is unknown |
| * @param signalStrength The general signal strength |
| * @param isRoaming True if we are network roaming, False otherwise |
| * @hide |
| */ |
| public NetworkServiceState( |
| BluetoothDevice device, |
| boolean isServiceAvailable, |
| String operatorName, |
| int signalStrength, |
| boolean isRoaming) { |
| mDevice = device; |
| mIsServiceAvailable = isServiceAvailable; |
| mOperatorName = operatorName; |
| mSignalStrength = signalStrength; |
| mIsRoaming = isRoaming; |
| } |
| |
| /** |
| * Get the device associated with this network service state |
| * |
| * @return a BluetoothDevice associated with this state |
| * @hide |
| */ |
| @SystemApi |
| public @NonNull BluetoothDevice getDevice() { |
| return mDevice; |
| } |
| |
| /** |
| * Get the network service availability state |
| * |
| * @return True if there is service available, False otherwise |
| * @hide |
| */ |
| @SystemApi |
| public boolean isServiceAvailable() { |
| return mIsServiceAvailable; |
| } |
| |
| /** |
| * Get the network operator name |
| * |
| * @return A string representing the name of the operator the remote device is on, or null |
| * if unknown. |
| * @hide |
| */ |
| @SystemApi |
| public @Nullable String getNetworkOperatorName() { |
| return mOperatorName; |
| } |
| |
| /** |
| * The HFP Client defined signal strength, from 0 to 5. |
| * |
| * <p>Bluetooth HFP v1.8 specifies that the signal strength of a device can be [0, 5]. It |
| * does not place any requirements on how a device derives those values. While they're |
| * typically derived from signal quality/RSSI buckets, there's no way to be certain on the |
| * exact meaning. Derivation methods can even change between wireless cellular technologies. |
| * |
| * <p>That said, you can "generally" interpret the values relative to each other as follows: |
| * - Level 0: None/Unknown - Level 1: Very Poor - Level 2: Poor - Level 3: Fair - Level 4: |
| * Good - Level 5: Great |
| * |
| * @return the HFP Client defined signal strength, range [0, 5] |
| * @hide |
| */ |
| @SystemApi |
| public @IntRange(from = 0, to = 5) int getSignalStrength() { |
| return mSignalStrength; |
| } |
| |
| /** |
| * Get the network service roaming status |
| * |
| * <p>* @return True if we are network roaming, False otherwise |
| * |
| * @hide |
| */ |
| @SystemApi |
| public boolean isRoaming() { |
| return mIsRoaming; |
| } |
| |
| /** {@link Parcelable.Creator} interface implementation. */ |
| public static final @NonNull Parcelable.Creator<NetworkServiceState> CREATOR = |
| new Parcelable.Creator<NetworkServiceState>() { |
| public NetworkServiceState createFromParcel(Parcel in) { |
| return new NetworkServiceState( |
| (BluetoothDevice) in.readParcelable(null), |
| in.readInt() == 1, |
| in.readString(), |
| in.readInt(), |
| in.readInt() == 1); |
| } |
| |
| public @NonNull NetworkServiceState[] newArray(int size) { |
| return new NetworkServiceState[size]; |
| } |
| }; |
| |
| /** @hide */ |
| @Override |
| public void writeToParcel(@NonNull Parcel out, int flags) { |
| out.writeParcelable(mDevice, 0); |
| out.writeInt(mIsServiceAvailable ? 1 : 0); |
| out.writeString(mOperatorName); |
| out.writeInt(mSignalStrength); |
| out.writeInt(mIsRoaming ? 1 : 0); |
| } |
| |
| /** @hide */ |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| } |
| |
| /** |
| * Intent used to broadcast the change in network service state of an HFP Client device |
| * |
| * <p>This intent will have 2 extras: |
| * |
| * <ul> |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. |
| * <li>{@link EXTRA_NETWORK_SERVICE_STATE} - A {@link NetworkServiceState} object. |
| * </ul> |
| * |
| * @hide |
| */ |
| @SuppressLint("ActionValue") |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_NETWORK_SERVICE_STATE_CHANGED = |
| "android.bluetooth.headsetclient.profile.action.NETWORK_SERVICE_STATE_CHANGED"; |
| |
| /** |
| * Extra for the network service state changed intent. |
| * |
| * <p>This extra represents the current network service state of a connected Bluetooth device. |
| * |
| * @hide |
| */ |
| @SuppressLint("ActionValue") |
| @SystemApi |
| public static final String EXTRA_NETWORK_SERVICE_STATE = |
| "android.bluetooth.headsetclient.extra.EXTRA_NETWORK_SERVICE_STATE"; |
| |
| /** |
| * Get the network service state for a device |
| * |
| * @param device The {@link BluetoothDevice} you want the network service state for |
| * @return A {@link NetworkServiceState} representing the network service state of the device, |
| * or null if the device is not connected |
| * @hide |
| */ |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @Nullable NetworkServiceState getNetworkServiceState(@NonNull BluetoothDevice device) { |
| if (device == null) { |
| return null; |
| } |
| |
| Bundle agEvents = getCurrentAgEvents(device); |
| if (agEvents == null) { |
| return null; |
| } |
| |
| boolean isServiceAvailable = (agEvents.getInt(EXTRA_NETWORK_STATUS, 0) == 1); |
| int signalStrength = agEvents.getInt(EXTRA_NETWORK_SIGNAL_STRENGTH, 0); |
| String operatorName = agEvents.getString(EXTRA_OPERATOR_NAME, null); |
| boolean isRoaming = (agEvents.getInt(EXTRA_NETWORK_ROAMING, 0) == 1); |
| |
| return new NetworkServiceState( |
| device, isServiceAvailable, operatorName, signalStrength, isRoaming); |
| } |
| |
| private boolean isEnabled() { |
| return mAdapter.getState() == BluetoothAdapter.STATE_ON; |
| } |
| |
| private static boolean isValidDevice(BluetoothDevice device) { |
| return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); |
| } |
| |
| private static void log(String msg) { |
| Log.d(TAG, msg); |
| } |
| } |
