| /* |
| * Copyright 2009-2016 The Android Open Source Project |
| * Copyright 2015 Samsung LSI |
| * |
| * 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.Manifest; |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SdkConstant; |
| import android.annotation.SdkConstant.SdkConstantType; |
| import android.annotation.SystemApi; |
| import android.app.ActivityThread; |
| import android.bluetooth.BluetoothProfile.ConnectionPolicy; |
| import android.bluetooth.le.BluetoothLeAdvertiser; |
| import android.bluetooth.le.BluetoothLeScanner; |
| import android.bluetooth.le.PeriodicAdvertisingManager; |
| import android.bluetooth.le.ScanCallback; |
| import android.bluetooth.le.ScanFilter; |
| import android.bluetooth.le.ScanRecord; |
| import android.bluetooth.le.ScanResult; |
| import android.bluetooth.le.ScanSettings; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.Context; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.ParcelUuid; |
| import android.os.RemoteException; |
| import android.os.ResultReceiver; |
| import android.os.ServiceManager; |
| import android.os.SynchronousResultReceiver; |
| import android.os.SystemProperties; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import java.io.IOException; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.UUID; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.locks.ReentrantReadWriteLock; |
| |
| /** |
| * Represents the local device Bluetooth adapter. The {@link BluetoothAdapter} |
| * lets you perform fundamental Bluetooth tasks, such as initiate |
| * device discovery, query a list of bonded (paired) devices, |
| * instantiate a {@link BluetoothDevice} using a known MAC address, and create |
| * a {@link BluetoothServerSocket} to listen for connection requests from other |
| * devices, and start a scan for Bluetooth LE devices. |
| * |
| * <p>To get a {@link BluetoothAdapter} representing the local Bluetooth |
| * adapter, call the {@link BluetoothManager#getAdapter} function on {@link BluetoothManager}. |
| * On JELLY_BEAN_MR1 and below you will need to use the static {@link #getDefaultAdapter} |
| * method instead. |
| * </p><p> |
| * Fundamentally, this is your starting point for all |
| * Bluetooth actions. Once you have the local adapter, you can get a set of |
| * {@link BluetoothDevice} objects representing all paired devices with |
| * {@link #getBondedDevices()}; start device discovery with |
| * {@link #startDiscovery()}; or create a {@link BluetoothServerSocket} to |
| * listen for incoming RFComm connection requests with {@link |
| * #listenUsingRfcommWithServiceRecord(String, UUID)}; listen for incoming L2CAP Connection-oriented |
| * Channels (CoC) connection requests with {@link #listenUsingL2capChannel()}; or start a scan for |
| * Bluetooth LE devices with {@link #startLeScan(LeScanCallback callback)}. |
| * </p> |
| * <p>This class is thread safe.</p> |
| * <p class="note"><strong>Note:</strong> |
| * Most methods require the {@link android.Manifest.permission#BLUETOOTH} |
| * permission and some also require the |
| * {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission. |
| * </p> |
| * <div class="special reference"> |
| * <h3>Developer Guides</h3> |
| * <p> |
| * For more information about using Bluetooth, read the <a href= |
| * "{@docRoot}guide/topics/connectivity/bluetooth.html">Bluetooth</a> developer |
| * guide. |
| * </p> |
| * </div> |
| * |
| * {@see BluetoothDevice} |
| * {@see BluetoothServerSocket} |
| */ |
| public final class BluetoothAdapter { |
| private static final String TAG = "BluetoothAdapter"; |
| private static final boolean DBG = true; |
| private static final boolean VDBG = false; |
| |
| /** |
| * Default MAC address reported to a client that does not have the |
| * android.permission.LOCAL_MAC_ADDRESS permission. |
| * |
| * @hide |
| */ |
| public static final String DEFAULT_MAC_ADDRESS = "02:00:00:00:00:00"; |
| |
| /** |
| * Sentinel error value for this class. Guaranteed to not equal any other |
| * integer constant in this class. Provided as a convenience for functions |
| * that require a sentinel error value, for example: |
| * <p><code>Intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, |
| * BluetoothAdapter.ERROR)</code> |
| */ |
| public static final int ERROR = Integer.MIN_VALUE; |
| |
| /** |
| * Broadcast Action: The state of the local Bluetooth adapter has been |
| * changed. |
| * <p>For example, Bluetooth has been turned on or off. |
| * <p>Always contains the extra fields {@link #EXTRA_STATE} and {@link |
| * #EXTRA_PREVIOUS_STATE} containing the new and old states |
| * respectively. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_STATE_CHANGED = "android.bluetooth.adapter.action.STATE_CHANGED"; |
| |
| /** |
| * Used as an int extra field in {@link #ACTION_STATE_CHANGED} |
| * intents to request the current power state. Possible values are: |
| * {@link #STATE_OFF}, |
| * {@link #STATE_TURNING_ON}, |
| * {@link #STATE_ON}, |
| * {@link #STATE_TURNING_OFF}, |
| */ |
| public static final String EXTRA_STATE = "android.bluetooth.adapter.extra.STATE"; |
| /** |
| * Used as an int extra field in {@link #ACTION_STATE_CHANGED} |
| * intents to request the previous power state. Possible values are: |
| * {@link #STATE_OFF}, |
| * {@link #STATE_TURNING_ON}, |
| * {@link #STATE_ON}, |
| * {@link #STATE_TURNING_OFF} |
| */ |
| public static final String EXTRA_PREVIOUS_STATE = |
| "android.bluetooth.adapter.extra.PREVIOUS_STATE"; |
| |
| /** @hide */ |
| @IntDef(prefix = { "STATE_" }, value = { |
| STATE_OFF, |
| STATE_TURNING_ON, |
| STATE_ON, |
| STATE_TURNING_OFF, |
| STATE_BLE_TURNING_ON, |
| STATE_BLE_ON, |
| STATE_BLE_TURNING_OFF |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface AdapterState {} |
| |
| /** |
| * Indicates the local Bluetooth adapter is off. |
| */ |
| public static final int STATE_OFF = 10; |
| /** |
| * Indicates the local Bluetooth adapter is turning on. However local |
| * clients should wait for {@link #STATE_ON} before attempting to |
| * use the adapter. |
| */ |
| public static final int STATE_TURNING_ON = 11; |
| /** |
| * Indicates the local Bluetooth adapter is on, and ready for use. |
| */ |
| public static final int STATE_ON = 12; |
| /** |
| * Indicates the local Bluetooth adapter is turning off. Local clients |
| * should immediately attempt graceful disconnection of any remote links. |
| */ |
| public static final int STATE_TURNING_OFF = 13; |
| |
| /** |
| * Indicates the local Bluetooth adapter is turning Bluetooth LE mode on. |
| * |
| * @hide |
| */ |
| public static final int STATE_BLE_TURNING_ON = 14; |
| |
| /** |
| * Indicates the local Bluetooth adapter is in LE only mode. |
| * |
| * @hide |
| */ |
| public static final int STATE_BLE_ON = 15; |
| |
| /** |
| * Indicates the local Bluetooth adapter is turning off LE only mode. |
| * |
| * @hide |
| */ |
| public static final int STATE_BLE_TURNING_OFF = 16; |
| |
| /** |
| * UUID of the GATT Read Characteristics for LE_PSM value. |
| * |
| * @hide |
| */ |
| public static final UUID LE_PSM_CHARACTERISTIC_UUID = |
| UUID.fromString("2d410339-82b6-42aa-b34e-e2e01df8cc1a"); |
| |
| /** |
| * Human-readable string helper for AdapterState |
| * |
| * @hide |
| */ |
| public static String nameForState(@AdapterState int state) { |
| switch (state) { |
| case STATE_OFF: |
| return "OFF"; |
| case STATE_TURNING_ON: |
| return "TURNING_ON"; |
| case STATE_ON: |
| return "ON"; |
| case STATE_TURNING_OFF: |
| return "TURNING_OFF"; |
| case STATE_BLE_TURNING_ON: |
| return "BLE_TURNING_ON"; |
| case STATE_BLE_ON: |
| return "BLE_ON"; |
| case STATE_BLE_TURNING_OFF: |
| return "BLE_TURNING_OFF"; |
| default: |
| return "?!?!? (" + state + ")"; |
| } |
| } |
| |
| /** |
| * Activity Action: Show a system activity that requests discoverable mode. |
| * This activity will also request the user to turn on Bluetooth if it |
| * is not currently enabled. |
| * <p>Discoverable mode is equivalent to {@link |
| * #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. It allows remote devices to see |
| * this Bluetooth adapter when they perform a discovery. |
| * <p>For privacy, Android is not discoverable by default. |
| * <p>The sender of this Intent can optionally use extra field {@link |
| * #EXTRA_DISCOVERABLE_DURATION} to request the duration of |
| * discoverability. Currently the default duration is 120 seconds, and |
| * maximum duration is capped at 300 seconds for each request. |
| * <p>Notification of the result of this activity is posted using the |
| * {@link android.app.Activity#onActivityResult} callback. The |
| * <code>resultCode</code> |
| * will be the duration (in seconds) of discoverability or |
| * {@link android.app.Activity#RESULT_CANCELED} if the user rejected |
| * discoverability or an error has occurred. |
| * <p>Applications can also listen for {@link #ACTION_SCAN_MODE_CHANGED} |
| * for global notification whenever the scan mode changes. For example, an |
| * application can be notified when the device has ended discoverability. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String |
| ACTION_REQUEST_DISCOVERABLE = "android.bluetooth.adapter.action.REQUEST_DISCOVERABLE"; |
| |
| /** |
| * Used as an optional int extra field in {@link |
| * #ACTION_REQUEST_DISCOVERABLE} intents to request a specific duration |
| * for discoverability in seconds. The current default is 120 seconds, and |
| * requests over 300 seconds will be capped. These values could change. |
| */ |
| public static final String EXTRA_DISCOVERABLE_DURATION = |
| "android.bluetooth.adapter.extra.DISCOVERABLE_DURATION"; |
| |
| /** |
| * Activity Action: Show a system activity that allows the user to turn on |
| * Bluetooth. |
| * <p>This system activity will return once Bluetooth has completed turning |
| * on, or the user has decided not to turn Bluetooth on. |
| * <p>Notification of the result of this activity is posted using the |
| * {@link android.app.Activity#onActivityResult} callback. The |
| * <code>resultCode</code> |
| * will be {@link android.app.Activity#RESULT_OK} if Bluetooth has been |
| * turned on or {@link android.app.Activity#RESULT_CANCELED} if the user |
| * has rejected the request or an error has occurred. |
| * <p>Applications can also listen for {@link #ACTION_STATE_CHANGED} |
| * for global notification whenever Bluetooth is turned on or off. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String |
| ACTION_REQUEST_ENABLE = "android.bluetooth.adapter.action.REQUEST_ENABLE"; |
| |
| /** |
| * Activity Action: Show a system activity that allows the user to turn off |
| * Bluetooth. This is used only if permission review is enabled which is for |
| * apps targeting API less than 23 require a permission review before any of |
| * the app's components can run. |
| * <p>This system activity will return once Bluetooth has completed turning |
| * off, or the user has decided not to turn Bluetooth off. |
| * <p>Notification of the result of this activity is posted using the |
| * {@link android.app.Activity#onActivityResult} callback. The |
| * <code>resultCode</code> |
| * will be {@link android.app.Activity#RESULT_OK} if Bluetooth has been |
| * turned off or {@link android.app.Activity#RESULT_CANCELED} if the user |
| * has rejected the request or an error has occurred. |
| * <p>Applications can also listen for {@link #ACTION_STATE_CHANGED} |
| * for global notification whenever Bluetooth is turned on or off. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| * |
| * @hide |
| */ |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String |
| ACTION_REQUEST_DISABLE = "android.bluetooth.adapter.action.REQUEST_DISABLE"; |
| |
| /** |
| * Activity Action: Show a system activity that allows user to enable BLE scans even when |
| * Bluetooth is turned off.<p> |
| * |
| * Notification of result of this activity is posted using |
| * {@link android.app.Activity#onActivityResult}. The <code>resultCode</code> will be |
| * {@link android.app.Activity#RESULT_OK} if BLE scan always available setting is turned on or |
| * {@link android.app.Activity#RESULT_CANCELED} if the user has rejected the request or an |
| * error occurred. |
| * |
| * @hide |
| */ |
| @SystemApi |
| @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) |
| public static final String ACTION_REQUEST_BLE_SCAN_ALWAYS_AVAILABLE = |
| "android.bluetooth.adapter.action.REQUEST_BLE_SCAN_ALWAYS_AVAILABLE"; |
| |
| /** |
| * Broadcast Action: Indicates the Bluetooth scan mode of the local Adapter |
| * has changed. |
| * <p>Always contains the extra fields {@link #EXTRA_SCAN_MODE} and {@link |
| * #EXTRA_PREVIOUS_SCAN_MODE} containing the new and old scan modes |
| * respectively. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_SCAN_MODE_CHANGED = "android.bluetooth.adapter.action.SCAN_MODE_CHANGED"; |
| |
| /** |
| * Used as an int extra field in {@link #ACTION_SCAN_MODE_CHANGED} |
| * intents to request the current scan mode. Possible values are: |
| * {@link #SCAN_MODE_NONE}, |
| * {@link #SCAN_MODE_CONNECTABLE}, |
| * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}, |
| */ |
| public static final String EXTRA_SCAN_MODE = "android.bluetooth.adapter.extra.SCAN_MODE"; |
| /** |
| * Used as an int extra field in {@link #ACTION_SCAN_MODE_CHANGED} |
| * intents to request the previous scan mode. Possible values are: |
| * {@link #SCAN_MODE_NONE}, |
| * {@link #SCAN_MODE_CONNECTABLE}, |
| * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}, |
| */ |
| public static final String EXTRA_PREVIOUS_SCAN_MODE = |
| "android.bluetooth.adapter.extra.PREVIOUS_SCAN_MODE"; |
| |
| /** @hide */ |
| @IntDef(prefix = { "SCAN_" }, value = { |
| SCAN_MODE_NONE, |
| SCAN_MODE_CONNECTABLE, |
| SCAN_MODE_CONNECTABLE_DISCOVERABLE |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ScanMode {} |
| |
| /** |
| * Indicates that both inquiry scan and page scan are disabled on the local |
| * Bluetooth adapter. Therefore this device is neither discoverable |
| * nor connectable from remote Bluetooth devices. |
| */ |
| public static final int SCAN_MODE_NONE = 20; |
| /** |
| * Indicates that inquiry scan is disabled, but page scan is enabled on the |
| * local Bluetooth adapter. Therefore this device is not discoverable from |
| * remote Bluetooth devices, but is connectable from remote devices that |
| * have previously discovered this device. |
| */ |
| public static final int SCAN_MODE_CONNECTABLE = 21; |
| /** |
| * Indicates that both inquiry scan and page scan are enabled on the local |
| * Bluetooth adapter. Therefore this device is both discoverable and |
| * connectable from remote Bluetooth devices. |
| */ |
| public static final int SCAN_MODE_CONNECTABLE_DISCOVERABLE = 23; |
| |
| /** |
| * Device only has a display. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_OUT = 0; |
| |
| /** |
| * Device has a display and the ability to input Yes/No. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_IO = 1; |
| |
| /** |
| * Device only has a keyboard for entry but no display. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_IN = 2; |
| |
| /** |
| * Device has no Input or Output capability. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_NONE = 3; |
| |
| /** |
| * Device has a display and a full keyboard. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_KBDISP = 4; |
| |
| /** |
| * Maximum range value for Input/Output capabilities. |
| * |
| * <p>This should be updated when adding a new Input/Output capability. Other code |
| * like validation depends on this being accurate. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_MAX = 5; |
| |
| /** |
| * The Input/Output capability of the device is unknown. |
| * |
| * @hide |
| */ |
| public static final int IO_CAPABILITY_UNKNOWN = 255; |
| |
| /** @hide */ |
| @IntDef({IO_CAPABILITY_OUT, IO_CAPABILITY_IO, IO_CAPABILITY_IN, IO_CAPABILITY_NONE, |
| IO_CAPABILITY_KBDISP}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface IoCapability {} |
| |
| /** @hide */ |
| @IntDef(prefix = "ACTIVE_DEVICE_", value = {ACTIVE_DEVICE_AUDIO, |
| ACTIVE_DEVICE_PHONE_CALL, ACTIVE_DEVICE_ALL}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ActiveDeviceUse {} |
| |
| /** |
| * Use the specified device for audio (a2dp and hearing aid profile) |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int ACTIVE_DEVICE_AUDIO = 0; |
| |
| /** |
| * Use the specified device for phone calls (headset profile and hearing |
| * aid profile) |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int ACTIVE_DEVICE_PHONE_CALL = 1; |
| |
| /** |
| * Use the specified device for a2dp, hearing aid profile, and headset profile |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final int ACTIVE_DEVICE_ALL = 2; |
| |
| /** |
| * Broadcast Action: The local Bluetooth adapter has started the remote |
| * device discovery process. |
| * <p>This usually involves an inquiry scan of about 12 seconds, followed |
| * by a page scan of each new device to retrieve its Bluetooth name. |
| * <p>Register for {@link BluetoothDevice#ACTION_FOUND} to be notified as |
| * remote Bluetooth devices are found. |
| * <p>Device discovery is a heavyweight procedure. New connections to |
| * remote Bluetooth devices should not be attempted while discovery is in |
| * progress, and existing connections will experience limited bandwidth |
| * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing |
| * discovery. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_DISCOVERY_STARTED = "android.bluetooth.adapter.action.DISCOVERY_STARTED"; |
| /** |
| * Broadcast Action: The local Bluetooth adapter has finished the device |
| * discovery process. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_DISCOVERY_FINISHED = "android.bluetooth.adapter.action.DISCOVERY_FINISHED"; |
| |
| /** |
| * Broadcast Action: The local Bluetooth adapter has changed its friendly |
| * Bluetooth name. |
| * <p>This name is visible to remote Bluetooth devices. |
| * <p>Always contains the extra field {@link #EXTRA_LOCAL_NAME} containing |
| * the name. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_LOCAL_NAME_CHANGED = "android.bluetooth.adapter.action.LOCAL_NAME_CHANGED"; |
| /** |
| * Used as a String extra field in {@link #ACTION_LOCAL_NAME_CHANGED} |
| * intents to request the local Bluetooth name. |
| */ |
| public static final String EXTRA_LOCAL_NAME = "android.bluetooth.adapter.extra.LOCAL_NAME"; |
| |
| /** |
| * Intent used to broadcast the change in connection state of the local |
| * Bluetooth adapter to a profile of the remote device. When the adapter is |
| * not connected to any profiles of any remote devices and it attempts a |
| * connection to a profile this intent will be sent. Once connected, this intent |
| * will not be sent for any more connection attempts to any profiles of any |
| * remote device. When the adapter disconnects from the last profile its |
| * connected to of any remote device, this intent will be sent. |
| * |
| * <p> This intent is useful for applications that are only concerned about |
| * whether the local adapter is connected to any profile of any device and |
| * are not really concerned about which profile. For example, an application |
| * which displays an icon to display whether Bluetooth is connected or not |
| * can use this intent. |
| * |
| * <p>This intent will have 3 extras: |
| * {@link #EXTRA_CONNECTION_STATE} - The current connection state. |
| * {@link #EXTRA_PREVIOUS_CONNECTION_STATE}- The previous connection state. |
| * {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. |
| * |
| * {@link #EXTRA_CONNECTION_STATE} or {@link #EXTRA_PREVIOUS_CONNECTION_STATE} |
| * can be any of {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, |
| * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}. |
| * |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. |
| */ |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String |
| ACTION_CONNECTION_STATE_CHANGED = |
| "android.bluetooth.adapter.action.CONNECTION_STATE_CHANGED"; |
| |
| /** |
| * Extra used by {@link #ACTION_CONNECTION_STATE_CHANGED} |
| * |
| * This extra represents the current connection state. |
| */ |
| public static final String EXTRA_CONNECTION_STATE = |
| "android.bluetooth.adapter.extra.CONNECTION_STATE"; |
| |
| /** |
| * Extra used by {@link #ACTION_CONNECTION_STATE_CHANGED} |
| * |
| * This extra represents the previous connection state. |
| */ |
| public static final String EXTRA_PREVIOUS_CONNECTION_STATE = |
| "android.bluetooth.adapter.extra.PREVIOUS_CONNECTION_STATE"; |
| |
| /** |
| * Broadcast Action: The Bluetooth adapter state has changed in LE only mode. |
| * |
| * @hide |
| */ |
| @SystemApi public static final String ACTION_BLE_STATE_CHANGED = |
| "android.bluetooth.adapter.action.BLE_STATE_CHANGED"; |
| |
| /** |
| * Intent used to broadcast the change in the Bluetooth address |
| * of the local Bluetooth adapter. |
| * <p>Always contains the extra field {@link |
| * #EXTRA_BLUETOOTH_ADDRESS} containing the Bluetooth address. |
| * |
| * Note: only system level processes are allowed to send this |
| * defined broadcast. |
| * |
| * @hide |
| */ |
| public static final String ACTION_BLUETOOTH_ADDRESS_CHANGED = |
| "android.bluetooth.adapter.action.BLUETOOTH_ADDRESS_CHANGED"; |
| |
| /** |
| * Used as a String extra field in {@link |
| * #ACTION_BLUETOOTH_ADDRESS_CHANGED} intent to store the local |
| * Bluetooth address. |
| * |
| * @hide |
| */ |
| public static final String EXTRA_BLUETOOTH_ADDRESS = |
| "android.bluetooth.adapter.extra.BLUETOOTH_ADDRESS"; |
| |
| /** |
| * Broadcast Action: The notifys Bluetooth ACL connected event. This will be |
| * by BLE Always on enabled application to know the ACL_CONNECTED event |
| * when Bluetooth state in STATE_BLE_ON. This denotes GATT connection |
| * as Bluetooth LE is the only feature available in STATE_BLE_ON |
| * |
| * This is counterpart of {@link BluetoothDevice#ACTION_ACL_CONNECTED} which |
| * works in Bluetooth state STATE_ON |
| * |
| * @hide |
| */ |
| public static final String ACTION_BLE_ACL_CONNECTED = |
| "android.bluetooth.adapter.action.BLE_ACL_CONNECTED"; |
| |
| /** |
| * Broadcast Action: The notifys Bluetooth ACL connected event. This will be |
| * by BLE Always on enabled application to know the ACL_DISCONNECTED event |
| * when Bluetooth state in STATE_BLE_ON. This denotes GATT disconnection as Bluetooth |
| * LE is the only feature available in STATE_BLE_ON |
| * |
| * This is counterpart of {@link BluetoothDevice#ACTION_ACL_DISCONNECTED} which |
| * works in Bluetooth state STATE_ON |
| * |
| * @hide |
| */ |
| public static final String ACTION_BLE_ACL_DISCONNECTED = |
| "android.bluetooth.adapter.action.BLE_ACL_DISCONNECTED"; |
| |
| /** The profile is in disconnected state */ |
| public static final int STATE_DISCONNECTED = BluetoothProtoEnums.CONNECTION_STATE_DISCONNECTED; |
| /** The profile is in connecting state */ |
| public static final int STATE_CONNECTING = BluetoothProtoEnums.CONNECTION_STATE_CONNECTING; |
| /** The profile is in connected state */ |
| public static final int STATE_CONNECTED = BluetoothProtoEnums.CONNECTION_STATE_CONNECTED; |
| /** The profile is in disconnecting state */ |
| public static final int STATE_DISCONNECTING = |
| BluetoothProtoEnums.CONNECTION_STATE_DISCONNECTING; |
| |
| /** @hide */ |
| public static final String BLUETOOTH_MANAGER_SERVICE = "bluetooth_manager"; |
| private final IBinder mToken; |
| |
| |
| /** |
| * When creating a ServerSocket using listenUsingRfcommOn() or |
| * listenUsingL2capOn() use SOCKET_CHANNEL_AUTO_STATIC to create |
| * a ServerSocket that auto assigns a channel number to the first |
| * bluetooth socket. |
| * The channel number assigned to this first Bluetooth Socket will |
| * be stored in the ServerSocket, and reused for subsequent Bluetooth |
| * sockets. |
| * |
| * @hide |
| */ |
| public static final int SOCKET_CHANNEL_AUTO_STATIC_NO_SDP = -2; |
| |
| |
| private static final int ADDRESS_LENGTH = 17; |
| |
| /** |
| * Lazily initialized singleton. Guaranteed final after first object |
| * constructed. |
| */ |
| private static BluetoothAdapter sAdapter; |
| |
| private static BluetoothLeScanner sBluetoothLeScanner; |
| private static BluetoothLeAdvertiser sBluetoothLeAdvertiser; |
| private static PeriodicAdvertisingManager sPeriodicAdvertisingManager; |
| |
| private final IBluetoothManager mManagerService; |
| @UnsupportedAppUsage |
| private IBluetooth mService; |
| private Context mContext; |
| private final ReentrantReadWriteLock mServiceLock = new ReentrantReadWriteLock(); |
| |
| private final Object mLock = new Object(); |
| private final Map<LeScanCallback, ScanCallback> mLeScanClients; |
| private static final Map<BluetoothDevice, List<Pair<OnMetadataChangedListener, Executor>>> |
| sMetadataListeners = new HashMap<>(); |
| |
| /** |
| * Bluetooth metadata listener. Overrides the default BluetoothMetadataListener |
| * implementation. |
| */ |
| private static final IBluetoothMetadataListener sBluetoothMetadataListener = |
| new IBluetoothMetadataListener.Stub() { |
| @Override |
| public void onMetadataChanged(BluetoothDevice device, int key, byte[] value) { |
| synchronized (sMetadataListeners) { |
| if (sMetadataListeners.containsKey(device)) { |
| List<Pair<OnMetadataChangedListener, Executor>> list = |
| sMetadataListeners.get(device); |
| for (Pair<OnMetadataChangedListener, Executor> pair : list) { |
| OnMetadataChangedListener listener = pair.first; |
| Executor executor = pair.second; |
| executor.execute(() -> { |
| listener.onMetadataChanged(device, key, value); |
| }); |
| } |
| } |
| } |
| return; |
| } |
| }; |
| |
| /** |
| * Get a handle to the default local Bluetooth adapter. |
| * <p>Currently Android only supports one Bluetooth adapter, but the API |
| * could be extended to support more. This will always return the default |
| * adapter. |
| * </p> |
| * |
| * @return the default local adapter, or null if Bluetooth is not supported on this hardware |
| * platform |
| */ |
| public static synchronized BluetoothAdapter getDefaultAdapter() { |
| if (sAdapter == null) { |
| IBinder b = ServiceManager.getService(BLUETOOTH_MANAGER_SERVICE); |
| if (b != null) { |
| IBluetoothManager managerService = IBluetoothManager.Stub.asInterface(b); |
| sAdapter = new BluetoothAdapter(managerService); |
| } else { |
| Log.e(TAG, "Bluetooth binder is null"); |
| } |
| } |
| return sAdapter; |
| } |
| |
| /** |
| * Use {@link #getDefaultAdapter} to get the BluetoothAdapter instance. |
| */ |
| BluetoothAdapter(IBluetoothManager managerService) { |
| |
| if (managerService == null) { |
| throw new IllegalArgumentException("bluetooth manager service is null"); |
| } |
| try { |
| mServiceLock.writeLock().lock(); |
| mService = managerService.registerAdapter(mManagerCallback); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.writeLock().unlock(); |
| } |
| mManagerService = managerService; |
| mLeScanClients = new HashMap<LeScanCallback, ScanCallback>(); |
| mToken = new Binder(); |
| } |
| |
| /** |
| * Get a {@link BluetoothDevice} object for the given Bluetooth hardware |
| * address. |
| * <p>Valid Bluetooth hardware addresses must be upper case, in a format |
| * such as "00:11:22:33:AA:BB". The helper {@link #checkBluetoothAddress} is |
| * available to validate a Bluetooth address. |
| * <p>A {@link BluetoothDevice} will always be returned for a valid |
| * hardware address, even if this adapter has never seen that device. |
| * |
| * @param address valid Bluetooth MAC address |
| * @throws IllegalArgumentException if address is invalid |
| */ |
| public BluetoothDevice getRemoteDevice(String address) { |
| return new BluetoothDevice(address); |
| } |
| |
| /** |
| * Get a {@link BluetoothDevice} object for the given Bluetooth hardware |
| * address. |
| * <p>Valid Bluetooth hardware addresses must be 6 bytes. This method |
| * expects the address in network byte order (MSB first). |
| * <p>A {@link BluetoothDevice} will always be returned for a valid |
| * hardware address, even if this adapter has never seen that device. |
| * |
| * @param address Bluetooth MAC address (6 bytes) |
| * @throws IllegalArgumentException if address is invalid |
| */ |
| public BluetoothDevice getRemoteDevice(byte[] address) { |
| if (address == null || address.length != 6) { |
| throw new IllegalArgumentException("Bluetooth address must have 6 bytes"); |
| } |
| return new BluetoothDevice( |
| String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X", address[0], address[1], |
| address[2], address[3], address[4], address[5])); |
| } |
| |
| /** |
| * Returns a {@link BluetoothLeAdvertiser} object for Bluetooth LE Advertising operations. |
| * Will return null if Bluetooth is turned off or if Bluetooth LE Advertising is not |
| * supported on this device. |
| * <p> |
| * Use {@link #isMultipleAdvertisementSupported()} to check whether LE Advertising is supported |
| * on this device before calling this method. |
| */ |
| public BluetoothLeAdvertiser getBluetoothLeAdvertiser() { |
| if (!getLeAccess()) { |
| return null; |
| } |
| synchronized (mLock) { |
| if (sBluetoothLeAdvertiser == null) { |
| sBluetoothLeAdvertiser = new BluetoothLeAdvertiser(mManagerService); |
| } |
| } |
| return sBluetoothLeAdvertiser; |
| } |
| |
| /** |
| * Returns a {@link PeriodicAdvertisingManager} object for Bluetooth LE Periodic Advertising |
| * operations. Will return null if Bluetooth is turned off or if Bluetooth LE Periodic |
| * Advertising is not supported on this device. |
| * <p> |
| * Use {@link #isLePeriodicAdvertisingSupported()} to check whether LE Periodic Advertising is |
| * supported on this device before calling this method. |
| * |
| * @hide |
| */ |
| public PeriodicAdvertisingManager getPeriodicAdvertisingManager() { |
| if (!getLeAccess()) { |
| return null; |
| } |
| |
| if (!isLePeriodicAdvertisingSupported()) { |
| return null; |
| } |
| |
| synchronized (mLock) { |
| if (sPeriodicAdvertisingManager == null) { |
| sPeriodicAdvertisingManager = new PeriodicAdvertisingManager(mManagerService); |
| } |
| } |
| return sPeriodicAdvertisingManager; |
| } |
| |
| /** |
| * Returns a {@link BluetoothLeScanner} object for Bluetooth LE scan operations. |
| */ |
| public BluetoothLeScanner getBluetoothLeScanner() { |
| if (!getLeAccess()) { |
| return null; |
| } |
| synchronized (mLock) { |
| if (sBluetoothLeScanner == null) { |
| sBluetoothLeScanner = new BluetoothLeScanner(mManagerService, getOpPackageName(), |
| getFeatureId()); |
| } |
| } |
| return sBluetoothLeScanner; |
| } |
| |
| /** |
| * Return true if Bluetooth is currently enabled and ready for use. |
| * <p>Equivalent to: |
| * <code>getBluetoothState() == STATE_ON</code> |
| * |
| * @return true if the local adapter is turned on |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public boolean isEnabled() { |
| return getState() == BluetoothAdapter.STATE_ON; |
| } |
| |
| /** |
| * Return true if Bluetooth LE(Always BLE On feature) is currently |
| * enabled and ready for use |
| * <p>This returns true if current state is either STATE_ON or STATE_BLE_ON |
| * |
| * @return true if the local Bluetooth LE adapter is turned on |
| * @hide |
| */ |
| @SystemApi |
| public boolean isLeEnabled() { |
| final int state = getLeState(); |
| if (DBG) { |
| Log.d(TAG, "isLeEnabled(): " + BluetoothAdapter.nameForState(state)); |
| } |
| return (state == BluetoothAdapter.STATE_ON |
| || state == BluetoothAdapter.STATE_BLE_ON |
| || state == BluetoothAdapter.STATE_TURNING_ON |
| || state == BluetoothAdapter.STATE_TURNING_OFF); |
| } |
| |
| /** |
| * Turns off Bluetooth LE which was earlier turned on by calling enableBLE(). |
| * |
| * <p> If the internal Adapter state is STATE_BLE_ON, this would trigger the transition |
| * to STATE_OFF and completely shut-down Bluetooth |
| * |
| * <p> If the Adapter state is STATE_ON, This would unregister the existance of |
| * special Bluetooth LE application and hence the further turning off of Bluetooth |
| * from UI would ensure the complete turn-off of Bluetooth rather than staying back |
| * BLE only state |
| * |
| * <p>This is an asynchronous call: it will return immediately, and |
| * clients should listen for {@link #ACTION_BLE_STATE_CHANGED} |
| * to be notified of subsequent adapter state changes If this call returns |
| * true, then the adapter state will immediately transition from {@link |
| * #STATE_ON} to {@link #STATE_TURNING_OFF}, and some time |
| * later transition to either {@link #STATE_BLE_ON} or {@link |
| * #STATE_OFF} based on the existance of the further Always BLE ON enabled applications |
| * If this call returns false then there was an |
| * immediate problem that will prevent the QAdapter from being turned off - |
| * such as the QAadapter already being turned off. |
| * |
| * @return true to indicate success, or false on immediate error |
| * @hide |
| */ |
| @SystemApi |
| public boolean disableBLE() { |
| if (!isBleScanAlwaysAvailable()) { |
| return false; |
| } |
| |
| int state = getLeState(); |
| if (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_BLE_ON) { |
| String packageName = ActivityThread.currentPackageName(); |
| if (DBG) { |
| Log.d(TAG, "disableBLE(): de-registering " + packageName); |
| } |
| try { |
| mManagerService.updateBleAppCount(mToken, false, packageName); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return true; |
| } |
| |
| if (DBG) { |
| Log.d(TAG, "disableBLE(): Already disabled"); |
| } |
| return false; |
| } |
| |
| /** |
| * Applications who want to only use Bluetooth Low Energy (BLE) can call enableBLE. |
| * |
| * enableBLE registers the existence of an app using only LE functions. |
| * |
| * enableBLE may enable Bluetooth to an LE only mode so that an app can use |
| * LE related features (BluetoothGatt or BluetoothGattServer classes) |
| * |
| * If the user disables Bluetooth while an app is registered to use LE only features, |
| * Bluetooth will remain on in LE only mode for the app. |
| * |
| * When Bluetooth is in LE only mode, it is not shown as ON to the UI. |
| * |
| * <p>This is an asynchronous call: it returns immediately, and |
| * clients should listen for {@link #ACTION_BLE_STATE_CHANGED} |
| * to be notified of adapter state changes. |
| * |
| * If this call returns * true, then the adapter state is either in a mode where |
| * LE is available, or will transition from {@link #STATE_OFF} to {@link #STATE_BLE_TURNING_ON}, |
| * and some time later transition to either {@link #STATE_OFF} or {@link #STATE_BLE_ON}. |
| * |
| * If this call returns false then there was an immediate problem that prevents the |
| * adapter from being turned on - such as Airplane mode. |
| * |
| * {@link #ACTION_BLE_STATE_CHANGED} returns the Bluetooth Adapter's various |
| * states, It includes all the classic Bluetooth Adapter states along with |
| * internal BLE only states |
| * |
| * @return true to indicate Bluetooth LE will be available, or false on immediate error |
| * @hide |
| */ |
| @SystemApi |
| public boolean enableBLE() { |
| if (!isBleScanAlwaysAvailable()) { |
| return false; |
| } |
| |
| try { |
| String packageName = ActivityThread.currentPackageName(); |
| mManagerService.updateBleAppCount(mToken, true, packageName); |
| if (isLeEnabled()) { |
| if (DBG) { |
| Log.d(TAG, "enableBLE(): Bluetooth already enabled"); |
| } |
| return true; |
| } |
| if (DBG) { |
| Log.d(TAG, "enableBLE(): Calling enable"); |
| } |
| return mManagerService.enable(packageName); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Get the current state of the local Bluetooth adapter. |
| * <p>Possible return values are |
| * {@link #STATE_OFF}, |
| * {@link #STATE_TURNING_ON}, |
| * {@link #STATE_ON}, |
| * {@link #STATE_TURNING_OFF}. |
| * |
| * @return current state of Bluetooth adapter |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| @AdapterState |
| public int getState() { |
| int state = BluetoothAdapter.STATE_OFF; |
| |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| state = mService.getState(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| |
| // Consider all internal states as OFF |
| if (state == BluetoothAdapter.STATE_BLE_ON || state == BluetoothAdapter.STATE_BLE_TURNING_ON |
| || state == BluetoothAdapter.STATE_BLE_TURNING_OFF) { |
| if (VDBG) { |
| Log.d(TAG, "Consider " + BluetoothAdapter.nameForState(state) + " state as OFF"); |
| } |
| state = BluetoothAdapter.STATE_OFF; |
| } |
| if (VDBG) { |
| Log.d(TAG, "" + hashCode() + ": getState(). Returning " + BluetoothAdapter.nameForState( |
| state)); |
| } |
| return state; |
| } |
| |
| /** |
| * Get the current state of the local Bluetooth adapter |
| * <p>This returns current internal state of Adapter including LE ON/OFF |
| * |
| * <p>Possible return values are |
| * {@link #STATE_OFF}, |
| * {@link #STATE_BLE_TURNING_ON}, |
| * {@link #STATE_BLE_ON}, |
| * {@link #STATE_TURNING_ON}, |
| * {@link #STATE_ON}, |
| * {@link #STATE_TURNING_OFF}, |
| * {@link #STATE_BLE_TURNING_OFF}. |
| * |
| * @return current state of Bluetooth adapter |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| @AdapterState |
| @UnsupportedAppUsage(publicAlternatives = "Use {@link #getState()} instead to determine " |
| + "whether you can use BLE & BT classic.") |
| public int getLeState() { |
| int state = BluetoothAdapter.STATE_OFF; |
| |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| state = mService.getState(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| |
| if (VDBG) { |
| Log.d(TAG, "getLeState() returning " + BluetoothAdapter.nameForState(state)); |
| } |
| return state; |
| } |
| |
| boolean getLeAccess() { |
| if (getLeState() == STATE_ON) { |
| return true; |
| } else if (getLeState() == STATE_BLE_ON) { |
| return true; // TODO: FILTER SYSTEM APPS HERE <-- |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Turn on the local Bluetooth adapter—do not use without explicit |
| * user action to turn on Bluetooth. |
| * <p>This powers on the underlying Bluetooth hardware, and starts all |
| * Bluetooth system services. |
| * <p class="caution"><strong>Bluetooth should never be enabled without |
| * direct user consent</strong>. If you want to turn on Bluetooth in order |
| * to create a wireless connection, you should use the {@link |
| * #ACTION_REQUEST_ENABLE} Intent, which will raise a dialog that requests |
| * user permission to turn on Bluetooth. The {@link #enable()} method is |
| * provided only for applications that include a user interface for changing |
| * system settings, such as a "power manager" app.</p> |
| * <p>This is an asynchronous call: it will return immediately, and |
| * clients should listen for {@link #ACTION_STATE_CHANGED} |
| * to be notified of subsequent adapter state changes. If this call returns |
| * true, then the adapter state will immediately transition from {@link |
| * #STATE_OFF} to {@link #STATE_TURNING_ON}, and some time |
| * later transition to either {@link #STATE_OFF} or {@link |
| * #STATE_ON}. If this call returns false then there was an |
| * immediate problem that will prevent the adapter from being turned on - |
| * such as Airplane mode, or the adapter is already turned on. |
| * |
| * @return true to indicate adapter startup has begun, or false on immediate error |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean enable() { |
| if (isEnabled()) { |
| if (DBG) { |
| Log.d(TAG, "enable(): BT already enabled!"); |
| } |
| return true; |
| } |
| try { |
| return mManagerService.enable(ActivityThread.currentPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Turn off the local Bluetooth adapter—do not use without explicit |
| * user action to turn off Bluetooth. |
| * <p>This gracefully shuts down all Bluetooth connections, stops Bluetooth |
| * system services, and powers down the underlying Bluetooth hardware. |
| * <p class="caution"><strong>Bluetooth should never be disabled without |
| * direct user consent</strong>. The {@link #disable()} method is |
| * provided only for applications that include a user interface for changing |
| * system settings, such as a "power manager" app.</p> |
| * <p>This is an asynchronous call: it will return immediately, and |
| * clients should listen for {@link #ACTION_STATE_CHANGED} |
| * to be notified of subsequent adapter state changes. If this call returns |
| * true, then the adapter state will immediately transition from {@link |
| * #STATE_ON} to {@link #STATE_TURNING_OFF}, and some time |
| * later transition to either {@link #STATE_OFF} or {@link |
| * #STATE_ON}. If this call returns false then there was an |
| * immediate problem that will prevent the adapter from being turned off - |
| * such as the adapter already being turned off. |
| * |
| * @return true to indicate adapter shutdown has begun, or false on immediate error |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean disable() { |
| try { |
| return mManagerService.disable(ActivityThread.currentPackageName(), true); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Turn off the local Bluetooth adapter and don't persist the setting. |
| * |
| * <p>Requires the {@link android.Manifest.permission#BLUETOOTH_ADMIN} |
| * permission |
| * |
| * @return true to indicate adapter shutdown has begun, or false on immediate error |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public boolean disable(boolean persist) { |
| |
| try { |
| return mManagerService.disable(ActivityThread.currentPackageName(), persist); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the hardware address of the local Bluetooth adapter. |
| * <p>For example, "00:11:22:AA:BB:CC". |
| * |
| * @return Bluetooth hardware address as string |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public String getAddress() { |
| try { |
| return mManagerService.getAddress(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return null; |
| } |
| |
| /** |
| * Get the friendly Bluetooth name of the local Bluetooth adapter. |
| * <p>This name is visible to remote Bluetooth devices. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| * |
| * @return the Bluetooth name, or null on error |
| */ |
| public String getName() { |
| try { |
| return mManagerService.getName(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return null; |
| } |
| |
| /** |
| * Factory reset bluetooth settings. |
| * |
| * @return true to indicate that the config file was successfully cleared |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean factoryReset() { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.factoryReset(); |
| } |
| SystemProperties.set("persist.bluetooth.factoryreset", "true"); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Get the UUIDs supported by the local Bluetooth adapter. |
| * |
| * @return the UUIDs supported by the local Bluetooth Adapter. |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public @NonNull ParcelUuid[] getUuids() { |
| if (getState() != STATE_ON) { |
| return null; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getUuids(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return null; |
| } |
| |
| /** |
| * Set the friendly Bluetooth name of the local Bluetooth adapter. |
| * <p>This name is visible to remote Bluetooth devices. |
| * <p>Valid Bluetooth names are a maximum of 248 bytes using UTF-8 |
| * encoding, although many remote devices can only display the first |
| * 40 characters, and some may be limited to just 20. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @param name a valid Bluetooth name |
| * @return true if the name was set, false otherwise |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean setName(String name) { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.setName(name); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the {@link BluetoothClass} Bluetooth Class of Device (CoD) of the local Bluetooth |
| * adapter. |
| * |
| * @return {@link BluetoothClass} Bluetooth CoD of local Bluetooth device. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public BluetoothClass getBluetoothClass() { |
| if (getState() != STATE_ON) { |
| return null; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getBluetoothClass(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return null; |
| } |
| |
| /** |
| * Sets the {@link BluetoothClass} Bluetooth Class of Device (CoD) of the local Bluetooth |
| * adapter. |
| * |
| * <p>Note: This value persists across system reboot. |
| * |
| * @param bluetoothClass {@link BluetoothClass} to set the local Bluetooth adapter to. |
| * @return true if successful, false if unsuccessful. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setBluetoothClass(BluetoothClass bluetoothClass) { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.setBluetoothClass(bluetoothClass); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the Input/Output capability of the device for classic Bluetooth. |
| * |
| * @return Input/Output capability of the device. One of {@link #IO_CAPABILITY_OUT}, |
| * {@link #IO_CAPABILITY_IO}, {@link #IO_CAPABILITY_IN}, {@link #IO_CAPABILITY_NONE}, |
| * {@link #IO_CAPABILITY_KBDISP} or {@link #IO_CAPABILITY_UNKNOWN}. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| @IoCapability |
| public int getIoCapability() { |
| if (getState() != STATE_ON) return BluetoothAdapter.IO_CAPABILITY_UNKNOWN; |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) return mService.getIoCapability(); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return BluetoothAdapter.IO_CAPABILITY_UNKNOWN; |
| } |
| |
| /** |
| * Sets the Input/Output capability of the device for classic Bluetooth. |
| * |
| * <p>Changing the Input/Output capability of a device only takes effect on restarting the |
| * Bluetooth stack. You would need to restart the stack using {@link BluetoothAdapter#disable()} |
| * and {@link BluetoothAdapter#enable()} to see the changes. |
| * |
| * @param capability Input/Output capability of the device. One of {@link #IO_CAPABILITY_OUT}, |
| * {@link #IO_CAPABILITY_IO}, {@link #IO_CAPABILITY_IN}, |
| * {@link #IO_CAPABILITY_NONE} or {@link #IO_CAPABILITY_KBDISP}. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setIoCapability(@IoCapability int capability) { |
| if (getState() != STATE_ON) return false; |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) return mService.setIoCapability(capability); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the Input/Output capability of the device for BLE operations. |
| * |
| * @return Input/Output capability of the device. One of {@link #IO_CAPABILITY_OUT}, |
| * {@link #IO_CAPABILITY_IO}, {@link #IO_CAPABILITY_IN}, {@link #IO_CAPABILITY_NONE}, |
| * {@link #IO_CAPABILITY_KBDISP} or {@link #IO_CAPABILITY_UNKNOWN}. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| @IoCapability |
| public int getLeIoCapability() { |
| if (getState() != STATE_ON) return BluetoothAdapter.IO_CAPABILITY_UNKNOWN; |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) return mService.getLeIoCapability(); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return BluetoothAdapter.IO_CAPABILITY_UNKNOWN; |
| } |
| |
| /** |
| * Sets the Input/Output capability of the device for BLE operations. |
| * |
| * <p>Changing the Input/Output capability of a device only takes effect on restarting the |
| * Bluetooth stack. You would need to restart the stack using {@link BluetoothAdapter#disable()} |
| * and {@link BluetoothAdapter#enable()} to see the changes. |
| * |
| * @param capability Input/Output capability of the device. One of {@link #IO_CAPABILITY_OUT}, |
| * {@link #IO_CAPABILITY_IO}, {@link #IO_CAPABILITY_IN}, |
| * {@link #IO_CAPABILITY_NONE} or {@link #IO_CAPABILITY_KBDISP}. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setLeIoCapability(@IoCapability int capability) { |
| if (getState() != STATE_ON) return false; |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) return mService.setLeIoCapability(capability); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.getMessage(), e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Get the current Bluetooth scan mode of the local Bluetooth adapter. |
| * <p>The Bluetooth scan mode determines if the local adapter is |
| * connectable and/or discoverable from remote Bluetooth devices. |
| * <p>Possible values are: |
| * {@link #SCAN_MODE_NONE}, |
| * {@link #SCAN_MODE_CONNECTABLE}, |
| * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return {@link #SCAN_MODE_NONE}. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @return scan mode |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| @ScanMode |
| public int getScanMode() { |
| if (getState() != STATE_ON) { |
| return SCAN_MODE_NONE; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getScanMode(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return SCAN_MODE_NONE; |
| } |
| |
| /** |
| * Set the Bluetooth scan mode of the local Bluetooth adapter. |
| * <p>The Bluetooth scan mode determines if the local adapter is |
| * connectable and/or discoverable from remote Bluetooth devices. |
| * <p>For privacy reasons, discoverable mode is automatically turned off |
| * after <code>duration</code> seconds. For example, 120 seconds should be |
| * enough for a remote device to initiate and complete its discovery |
| * process. |
| * <p>Valid scan mode values are: |
| * {@link #SCAN_MODE_NONE}, |
| * {@link #SCAN_MODE_CONNECTABLE}, |
| * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * <p>Applications cannot set the scan mode. They should use |
| * <code>startActivityForResult( |
| * BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE}) |
| * </code>instead. |
| * |
| * @param mode valid scan mode |
| * @param duration time in seconds to apply scan mode, only used for {@link |
| * #SCAN_MODE_CONNECTABLE_DISCOVERABLE} |
| * @return true if the scan mode was set, false otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public boolean setScanMode(@ScanMode int mode, int duration) { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.setScanMode(mode, duration); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Set the Bluetooth scan mode of the local Bluetooth adapter. |
| * <p>The Bluetooth scan mode determines if the local adapter is |
| * connectable and/or discoverable from remote Bluetooth devices. |
| * <p>For privacy reasons, discoverable mode is automatically turned off |
| * after <code>duration</code> seconds. For example, 120 seconds should be |
| * enough for a remote device to initiate and complete its discovery |
| * process. |
| * <p>Valid scan mode values are: |
| * {@link #SCAN_MODE_NONE}, |
| * {@link #SCAN_MODE_CONNECTABLE}, |
| * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * <p>Applications cannot set the scan mode. They should use |
| * <code>startActivityForResult( |
| * BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE}) |
| * </code>instead. |
| * |
| * @param mode valid scan mode |
| * @return true if the scan mode was set, false otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public boolean setScanMode(@ScanMode int mode) { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| /* getDiscoverableTimeout() to use the latest from NV than use 0 */ |
| return setScanMode(mode, getDiscoverableTimeout()); |
| } |
| |
| /** @hide */ |
| @UnsupportedAppUsage |
| public int getDiscoverableTimeout() { |
| if (getState() != STATE_ON) { |
| return -1; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getDiscoverableTimeout(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return -1; |
| } |
| |
| /** @hide */ |
| @UnsupportedAppUsage |
| public void setDiscoverableTimeout(int timeout) { |
| if (getState() != STATE_ON) { |
| return; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| mService.setDiscoverableTimeout(timeout); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| } |
| |
| /** |
| * Get the end time of the latest remote device discovery process. |
| * |
| * @return the latest time that the bluetooth adapter was/will be in discovery mode, in |
| * milliseconds since the epoch. This time can be in the future if {@link #startDiscovery()} has |
| * been called recently. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public long getDiscoveryEndMillis() { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getDiscoveryEndMillis(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return -1; |
| } |
| |
| /** |
| * Set the context for this BluetoothAdapter (only called from BluetoothManager) |
| * @hide |
| */ |
| public void setContext(Context context) { |
| mContext = context; |
| } |
| |
| private String getOpPackageName() { |
| // Workaround for legacy API for getting a BluetoothAdapter not |
| // passing a context |
| if (mContext != null) { |
| return mContext.getOpPackageName(); |
| } |
| return ActivityThread.currentOpPackageName(); |
| } |
| |
| private String getFeatureId() { |
| // Workaround for legacy API for getting a BluetoothAdapter not |
| // passing a context |
| if (mContext != null) { |
| return mContext.getFeatureId(); |
| } |
| return null; |
| } |
| |
| /** |
| * Start the remote device discovery process. |
| * <p>The discovery process usually involves an inquiry scan of about 12 |
| * seconds, followed by a page scan of each new device to retrieve its |
| * Bluetooth name. |
| * <p>This is an asynchronous call, it will return immediately. Register |
| * for {@link #ACTION_DISCOVERY_STARTED} and {@link |
| * #ACTION_DISCOVERY_FINISHED} intents to determine exactly when the |
| * discovery starts and completes. Register for {@link |
| * BluetoothDevice#ACTION_FOUND} to be notified as remote Bluetooth devices |
| * are found. |
| * <p>Device discovery is a heavyweight procedure. New connections to |
| * remote Bluetooth devices should not be attempted while discovery is in |
| * progress, and existing connections will experience limited bandwidth |
| * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing |
| * discovery. Discovery is not managed by the Activity, |
| * but is run as a system service, so an application should always call |
| * {@link BluetoothAdapter#cancelDiscovery()} even if it |
| * did not directly request a discovery, just to be sure. |
| * <p>Device discovery will only find remote devices that are currently |
| * <i>discoverable</i> (inquiry scan enabled). Many Bluetooth devices are |
| * not discoverable by default, and need to be entered into a special mode. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @return true on success, false on error |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean startDiscovery() { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.startDiscovery(getOpPackageName(), getFeatureId()); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Cancel the current device discovery process. |
| * <p>Because discovery is a heavyweight procedure for the Bluetooth |
| * adapter, this method should always be called before attempting to connect |
| * to a remote device with {@link |
| * android.bluetooth.BluetoothSocket#connect()}. Discovery is not managed by |
| * the Activity, but is run as a system service, so an application should |
| * always call cancel discovery even if it did not directly request a |
| * discovery, just to be sure. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @return true on success, false on error |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean cancelDiscovery() { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.cancelDiscovery(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if the local Bluetooth adapter is currently in the device |
| * discovery process. |
| * <p>Device discovery is a heavyweight procedure. New connections to |
| * remote Bluetooth devices should not be attempted while discovery is in |
| * progress, and existing connections will experience limited bandwidth |
| * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing |
| * discovery. |
| * <p>Applications can also register for {@link #ACTION_DISCOVERY_STARTED} |
| * or {@link #ACTION_DISCOVERY_FINISHED} to be notified when discovery |
| * starts or completes. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return false. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @return true if discovering |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public boolean isDiscovering() { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isDiscovering(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * |
| * @param device is the remote bluetooth device |
| * @param profiles represents the purpose for which we are setting this as the active device. |
| * Possible values are: |
| * {@link BluetoothAdapter#ACTIVE_DEVICE_AUDIO}, |
| * {@link BluetoothAdapter#ACTIVE_DEVICE_PHONE_CALL}, |
| * {@link BluetoothAdapter#ACTIVE_DEVICE_ALL} |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean setActiveDevice(@Nullable BluetoothDevice device, |
| @ActiveDeviceUse int profiles) { |
| if (profiles != ACTIVE_DEVICE_AUDIO && profiles != ACTIVE_DEVICE_PHONE_CALL |
| && profiles != ACTIVE_DEVICE_ALL) { |
| Log.e(TAG, "Invalid profiles param value in setActiveDevice"); |
| return false; |
| } |
| |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.setActiveDevice(device, profiles); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Connects all enabled and supported bluetooth profiles between the local and remote device |
| * |
| * @param device is the remote device with which to connect these profiles |
| * @return true if all profiles successfully connected, false if an error occurred |
| * |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean connectAllEnabledProfiles(@NonNull BluetoothDevice device) { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.connectAllEnabledProfiles(device); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Disconnects all enabled and supported bluetooth profiles between the local and remote device |
| * |
| * @param device is the remote device with which to disconnect these profiles |
| * @return true if all profiles successfully disconnected, false if an error occurred |
| * |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean disconnectAllEnabledProfiles(@NonNull BluetoothDevice device) { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.disconnectAllEnabledProfiles(device); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Return true if the multi advertisement is supported by the chipset |
| * |
| * @return true if Multiple Advertisement feature is supported |
| */ |
| public boolean isMultipleAdvertisementSupported() { |
| if (getState() != STATE_ON) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isMultiAdvertisementSupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isMultipleAdvertisementSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns {@code true} if BLE scan is always available, {@code false} otherwise. <p> |
| * |
| * If this returns {@code true}, application can issue {@link BluetoothLeScanner#startScan} and |
| * fetch scan results even when Bluetooth is turned off.<p> |
| * |
| * To change this setting, use {@link #ACTION_REQUEST_BLE_SCAN_ALWAYS_AVAILABLE}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public boolean isBleScanAlwaysAvailable() { |
| try { |
| return mManagerService.isBleScanAlwaysAvailable(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "remote expection when calling isBleScanAlwaysAvailable", e); |
| return false; |
| } |
| } |
| |
| /** |
| * Return true if offloaded filters are supported |
| * |
| * @return true if chipset supports on-chip filtering |
| */ |
| public boolean isOffloadedFilteringSupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isOffloadedFilteringSupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isOffloadedFilteringSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if offloaded scan batching is supported |
| * |
| * @return true if chipset supports on-chip scan batching |
| */ |
| public boolean isOffloadedScanBatchingSupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isOffloadedScanBatchingSupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isOffloadedScanBatchingSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if LE 2M PHY feature is supported. |
| * |
| * @return true if chipset supports LE 2M PHY feature |
| */ |
| public boolean isLe2MPhySupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isLe2MPhySupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isExtendedAdvertisingSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if LE Coded PHY feature is supported. |
| * |
| * @return true if chipset supports LE Coded PHY feature |
| */ |
| public boolean isLeCodedPhySupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isLeCodedPhySupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isLeCodedPhySupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if LE Extended Advertising feature is supported. |
| * |
| * @return true if chipset supports LE Extended Advertising feature |
| */ |
| public boolean isLeExtendedAdvertisingSupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isLeExtendedAdvertisingSupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isLeExtendedAdvertisingSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return true if LE Periodic Advertising feature is supported. |
| * |
| * @return true if chipset supports LE Periodic Advertising feature |
| */ |
| public boolean isLePeriodicAdvertisingSupported() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.isLePeriodicAdvertisingSupported(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get isLePeriodicAdvertisingSupported, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return false; |
| } |
| |
| /** |
| * Return the maximum LE advertising data length in bytes, |
| * if LE Extended Advertising feature is supported, 0 otherwise. |
| * |
| * @return the maximum LE advertising data length. |
| */ |
| public int getLeMaximumAdvertisingDataLength() { |
| if (!getLeAccess()) { |
| return 0; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getLeMaximumAdvertisingDataLength(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get getLeMaximumAdvertisingDataLength, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return 0; |
| } |
| |
| /** |
| * Return true if Hearing Aid Profile is supported. |
| * |
| * @return true if phone supports Hearing Aid Profile |
| */ |
| private boolean isHearingAidProfileSupported() { |
| try { |
| return mManagerService.isHearingAidProfileSupported(); |
| } catch (RemoteException e) { |
| Log.e(TAG, "remote expection when calling isHearingAidProfileSupported", e); |
| return false; |
| } |
| } |
| |
| /** |
| * Get the maximum number of connected audio devices. |
| * |
| * @return the maximum number of connected audio devices |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public int getMaxConnectedAudioDevices() { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getMaxConnectedAudioDevices(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "failed to get getMaxConnectedAudioDevices, error: ", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return 1; |
| } |
| |
| /** |
| * Return true if hardware has entries available for matching beacons |
| * |
| * @return true if there are hw entries available for matching beacons |
| * @hide |
| */ |
| public boolean isHardwareTrackingFiltersAvailable() { |
| if (!getLeAccess()) { |
| return false; |
| } |
| try { |
| IBluetoothGatt iGatt = mManagerService.getBluetoothGatt(); |
| if (iGatt == null) { |
| // BLE is not supported |
| return false; |
| } |
| return (iGatt.numHwTrackFiltersAvailable() != 0); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Return the record of {@link BluetoothActivityEnergyInfo} object that |
| * has the activity and energy info. This can be used to ascertain what |
| * the controller has been up to, since the last sample. |
| * |
| * @param updateType Type of info, cached vs refreshed. |
| * @return a record with {@link BluetoothActivityEnergyInfo} or null if report is unavailable or |
| * unsupported |
| * @hide |
| * @deprecated use the asynchronous {@link #requestControllerActivityEnergyInfo(ResultReceiver)} |
| * instead. |
| */ |
| @Deprecated |
| public BluetoothActivityEnergyInfo getControllerActivityEnergyInfo(int updateType) { |
| SynchronousResultReceiver receiver = new SynchronousResultReceiver(); |
| requestControllerActivityEnergyInfo(receiver); |
| try { |
| SynchronousResultReceiver.Result result = receiver.awaitResult(1000); |
| if (result.bundle != null) { |
| return result.bundle.getParcelable(BatteryStats.RESULT_RECEIVER_CONTROLLER_KEY); |
| } |
| } catch (TimeoutException e) { |
| Log.e(TAG, "getControllerActivityEnergyInfo timed out"); |
| } |
| return null; |
| } |
| |
| /** |
| * Request the record of {@link BluetoothActivityEnergyInfo} object that |
| * has the activity and energy info. This can be used to ascertain what |
| * the controller has been up to, since the last sample. |
| * |
| * A null value for the activity info object may be sent if the bluetooth service is |
| * unreachable or the device does not support reporting such information. |
| * |
| * @param result The callback to which to send the activity info. |
| * @hide |
| */ |
| public void requestControllerActivityEnergyInfo(ResultReceiver result) { |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| mService.requestActivityInfo(result); |
| result = null; |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "getControllerActivityEnergyInfoCallback: " + e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| if (result != null) { |
| // Only send an immediate result if we failed. |
| result.send(0, null); |
| } |
| } |
| } |
| |
| /** |
| * Return the set of {@link BluetoothDevice} objects that are bonded |
| * (paired) to the local adapter. |
| * <p>If Bluetooth state is not {@link #STATE_ON}, this API |
| * will return an empty set. After turning on Bluetooth, |
| * wait for {@link #ACTION_STATE_CHANGED} with {@link #STATE_ON} |
| * to get the updated value. |
| * |
| * @return unmodifiable set of {@link BluetoothDevice}, or null on error |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public Set<BluetoothDevice> getBondedDevices() { |
| if (getState() != STATE_ON) { |
| return toDeviceSet(new BluetoothDevice[0]); |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return toDeviceSet(mService.getBondedDevices()); |
| } |
| return toDeviceSet(new BluetoothDevice[0]); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return null; |
| } |
| |
| /** |
| * Gets the currently supported profiles by the adapter. |
| * |
| * <p> This can be used to check whether a profile is supported before attempting |
| * to connect to its respective proxy. |
| * |
| * @return a list of integers indicating the ids of supported profiles as defined in {@link |
| * BluetoothProfile}. |
| * @hide |
| */ |
| public @NonNull List<Integer> getSupportedProfiles() { |
| final ArrayList<Integer> supportedProfiles = new ArrayList<Integer>(); |
| |
| try { |
| synchronized (mManagerCallback) { |
| if (mService != null) { |
| final long supportedProfilesBitMask = mService.getSupportedProfiles(); |
| |
| for (int i = 0; i <= BluetoothProfile.MAX_PROFILE_ID; i++) { |
| if ((supportedProfilesBitMask & (1 << i)) != 0) { |
| supportedProfiles.add(i); |
| } |
| } |
| } else { |
| // Bluetooth is disabled. Just fill in known supported Profiles |
| if (isHearingAidProfileSupported()) { |
| supportedProfiles.add(BluetoothProfile.HEARING_AID); |
| } |
| } |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "getSupportedProfiles:", e); |
| } |
| return supportedProfiles; |
| } |
| |
| /** |
| * Get the current connection state of the local Bluetooth adapter. |
| * This can be used to check whether the local Bluetooth adapter is connected |
| * to any profile of any other remote Bluetooth Device. |
| * |
| * <p> Use this function along with {@link #ACTION_CONNECTION_STATE_CHANGED} |
| * intent to get the connection state of the adapter. |
| * |
| * @return One of {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTED}, {@link |
| * #STATE_CONNECTING} or {@link #STATE_DISCONNECTED} |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public int getConnectionState() { |
| if (getState() != STATE_ON) { |
| return BluetoothAdapter.STATE_DISCONNECTED; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getAdapterConnectionState(); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "getConnectionState:", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return BluetoothAdapter.STATE_DISCONNECTED; |
| } |
| |
| /** |
| * Get the current connection state of a profile. |
| * This function can be used to check whether the local Bluetooth adapter |
| * is connected to any remote device for a specific profile. |
| * Profile can be one of {@link BluetoothProfile#HEADSET}, {@link BluetoothProfile#A2DP}. |
| * |
| * <p> Return value can be one of |
| * {@link BluetoothProfile#STATE_DISCONNECTED}, |
| * {@link BluetoothProfile#STATE_CONNECTING}, |
| * {@link BluetoothProfile#STATE_CONNECTED}, |
| * {@link BluetoothProfile#STATE_DISCONNECTING} |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public int getProfileConnectionState(int profile) { |
| if (getState() != STATE_ON) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| try { |
| mServiceLock.readLock().lock(); |
| if (mService != null) { |
| return mService.getProfileConnectionState(profile); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "getProfileConnectionState:", e); |
| } finally { |
| mServiceLock.readLock().unlock(); |
| } |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| /** |
| * Create a listening, secure RFCOMM Bluetooth socket. |
| * <p>A remote device connecting to this socket will be authenticated and |
| * communication on this socket will be encrypted. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming |
| * connections from a listening {@link BluetoothServerSocket}. |
| * <p>Valid RFCOMM channels are in range 1 to 30. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} |
| * |
| * @param channel RFCOMM channel to listen on |
| * @return a listening RFCOMM BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or channel in use. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingRfcommOn(int channel) throws IOException { |
| return listenUsingRfcommOn(channel, false, false); |
| } |
| |
| /** |
| * Create a listening, secure RFCOMM Bluetooth socket. |
| * <p>A remote device connecting to this socket will be authenticated and |
| * communication on this socket will be encrypted. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming |
| * connections from a listening {@link BluetoothServerSocket}. |
| * <p>Valid RFCOMM channels are in range 1 to 30. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} |
| * <p>To auto assign a channel without creating a SDP record use |
| * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as channel number. |
| * |
| * @param channel RFCOMM channel to listen on |
| * @param mitm enforce man-in-the-middle protection for authentication. |
| * @param min16DigitPin enforce a pin key length og minimum 16 digit for sec mode 2 |
| * connections. |
| * @return a listening RFCOMM BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or channel in use. |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public BluetoothServerSocket listenUsingRfcommOn(int channel, boolean mitm, |
| boolean min16DigitPin) throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, true, true, channel, mitm, |
| min16DigitPin); |
| int errno = socket.mSocket.bindListen(); |
| if (channel == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { |
| socket.setChannel(socket.mSocket.getPort()); |
| } |
| if (errno != 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Create a listening, secure RFCOMM Bluetooth socket with Service Record. |
| * <p>A remote device connecting to this socket will be authenticated and |
| * communication on this socket will be encrypted. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming |
| * connections from a listening {@link BluetoothServerSocket}. |
| * <p>The system will assign an unused RFCOMM channel to listen on. |
| * <p>The system will also register a Service Discovery |
| * Protocol (SDP) record with the local SDP server containing the specified |
| * UUID, service name, and auto-assigned channel. Remote Bluetooth devices |
| * can use the same UUID to query our SDP server and discover which channel |
| * to connect to. This SDP record will be removed when this socket is |
| * closed, or if this application closes unexpectedly. |
| * <p>Use {@link BluetoothDevice#createRfcommSocketToServiceRecord} to |
| * connect to this socket from another device using the same {@link UUID}. |
| * |
| * @param name service name for SDP record |
| * @param uuid uuid for SDP record |
| * @return a listening RFCOMM BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or channel in use. |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public BluetoothServerSocket listenUsingRfcommWithServiceRecord(String name, UUID uuid) |
| throws IOException { |
| return createNewRfcommSocketAndRecord(name, uuid, true, true); |
| } |
| |
| /** |
| * Create a listening, insecure RFCOMM Bluetooth socket with Service Record. |
| * <p>The link key is not required to be authenticated, i.e the communication may be |
| * vulnerable to Man In the Middle attacks. For Bluetooth 2.1 devices, |
| * the link will be encrypted, as encryption is mandartory. |
| * For legacy devices (pre Bluetooth 2.1 devices) the link will not |
| * be encrypted. Use {@link #listenUsingRfcommWithServiceRecord}, if an |
| * encrypted and authenticated communication channel is desired. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming |
| * connections from a listening {@link BluetoothServerSocket}. |
| * <p>The system will assign an unused RFCOMM channel to listen on. |
| * <p>The system will also register a Service Discovery |
| * Protocol (SDP) record with the local SDP server containing the specified |
| * UUID, service name, and auto-assigned channel. Remote Bluetooth devices |
| * can use the same UUID to query our SDP server and discover which channel |
| * to connect to. This SDP record will be removed when this socket is |
| * closed, or if this application closes unexpectedly. |
| * <p>Use {@link BluetoothDevice#createRfcommSocketToServiceRecord} to |
| * connect to this socket from another device using the same {@link UUID}. |
| * |
| * @param name service name for SDP record |
| * @param uuid uuid for SDP record |
| * @return a listening RFCOMM BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or channel in use. |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public BluetoothServerSocket listenUsingInsecureRfcommWithServiceRecord(String name, UUID uuid) |
| throws IOException { |
| return createNewRfcommSocketAndRecord(name, uuid, false, false); |
| } |
| |
| /** |
| * Create a listening, encrypted, |
| * RFCOMM Bluetooth socket with Service Record. |
| * <p>The link will be encrypted, but the link key is not required to be authenticated |
| * i.e the communication is vulnerable to Man In the Middle attacks. Use |
| * {@link #listenUsingRfcommWithServiceRecord}, to ensure an authenticated link key. |
| * <p> Use this socket if authentication of link key is not possible. |
| * For example, for Bluetooth 2.1 devices, if any of the devices does not have |
| * an input and output capability or just has the ability to display a numeric key, |
| * a secure socket connection is not possible and this socket can be used. |
| * Use {@link #listenUsingInsecureRfcommWithServiceRecord}, if encryption is not required. |
| * For Bluetooth 2.1 devices, the link will be encrypted, as encryption is mandartory. |
| * For more details, refer to the Security Model section 5.2 (vol 3) of |
| * Bluetooth Core Specification version 2.1 + EDR. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming |
| * connections from a listening {@link BluetoothServerSocket}. |
| * <p>The system will assign an unused RFCOMM channel to listen on. |
| * <p>The system will also register a Service Discovery |
| * Protocol (SDP) record with the local SDP server containing the specified |
| * UUID, service name, and auto-assigned channel. Remote Bluetooth devices |
| * can use the same UUID to query our SDP server and discover which channel |
| * to connect to. This SDP record will be removed when this socket is |
| * closed, or if this application closes unexpectedly. |
| * <p>Use {@link BluetoothDevice#createRfcommSocketToServiceRecord} to |
| * connect to this socket from another device using the same {@link UUID}. |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| * |
| * @param name service name for SDP record |
| * @param uuid uuid for SDP record |
| * @return a listening RFCOMM BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or channel in use. |
| * @hide |
| */ |
| @UnsupportedAppUsage |
| public BluetoothServerSocket listenUsingEncryptedRfcommWithServiceRecord(String name, UUID uuid) |
| throws IOException { |
| return createNewRfcommSocketAndRecord(name, uuid, false, true); |
| } |
| |
| |
| private BluetoothServerSocket createNewRfcommSocketAndRecord(String name, UUID uuid, |
| boolean auth, boolean encrypt) throws IOException { |
| BluetoothServerSocket socket; |
| socket = new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, auth, encrypt, |
| new ParcelUuid(uuid)); |
| socket.setServiceName(name); |
| int errno = socket.mSocket.bindListen(); |
| if (errno != 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Construct an unencrypted, unauthenticated, RFCOMM server socket. |
| * Call #accept to retrieve connections to this socket. |
| * |
| * @return An RFCOMM BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingInsecureRfcommOn(int port) throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, false, false, port); |
| int errno = socket.mSocket.bindListen(); |
| if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { |
| socket.setChannel(socket.mSocket.getPort()); |
| } |
| if (errno != 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Construct an encrypted, RFCOMM server socket. |
| * Call #accept to retrieve connections to this socket. |
| * |
| * @return An RFCOMM BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingEncryptedRfcommOn(int port) throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, false, true, port); |
| int errno = socket.mSocket.bindListen(); |
| if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { |
| socket.setChannel(socket.mSocket.getPort()); |
| } |
| if (errno < 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Construct a SCO server socket. |
| * Call #accept to retrieve connections to this socket. |
| * |
| * @return A SCO BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public static BluetoothServerSocket listenUsingScoOn() throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_SCO, false, false, -1); |
| int errno = socket.mSocket.bindListen(); |
| if (errno < 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Construct an encrypted, authenticated, L2CAP server socket. |
| * Call #accept to retrieve connections to this socket. |
| * <p>To auto assign a port without creating a SDP record use |
| * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. |
| * |
| * @param port the PSM to listen on |
| * @param mitm enforce man-in-the-middle protection for authentication. |
| * @param min16DigitPin enforce a pin key length og minimum 16 digit for sec mode 2 |
| * connections. |
| * @return An L2CAP BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingL2capOn(int port, boolean mitm, boolean min16DigitPin) |
| throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP, true, true, port, mitm, |
| min16DigitPin); |
| int errno = socket.mSocket.bindListen(); |
| if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { |
| int assignedChannel = socket.mSocket.getPort(); |
| if (DBG) Log.d(TAG, "listenUsingL2capOn: set assigned channel to " + assignedChannel); |
| socket.setChannel(assignedChannel); |
| } |
| if (errno != 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| } |
| |
| /** |
| * Construct an encrypted, authenticated, L2CAP server socket. |
| * Call #accept to retrieve connections to this socket. |
| * <p>To auto assign a port without creating a SDP record use |
| * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. |
| * |
| * @param port the PSM to listen on |
| * @return An L2CAP BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingL2capOn(int port) throws IOException { |
| return listenUsingL2capOn(port, false, false); |
| } |
| |
| |
| /** |
| * Construct an insecure L2CAP server socket. |
| * Call #accept to retrieve connections to this socket. |
| * <p>To auto assign a port without creating a SDP record use |
| * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. |
| * |
| * @param port the PSM to listen on |
| * @return An L2CAP BluetoothServerSocket |
| * @throws IOException On error, for example Bluetooth not available, or insufficient |
| * permissions. |
| * @hide |
| */ |
| public BluetoothServerSocket listenUsingInsecureL2capOn(int port) throws IOException { |
| Log.d(TAG, "listenUsingInsecureL2capOn: port=" + port); |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP, false, false, port, false, |
| false); |
| int errno = socket.mSocket.bindListen(); |
| if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { |
| int assignedChannel = socket.mSocket.getPort(); |
| if (DBG) { |
| Log.d(TAG, "listenUsingInsecureL2capOn: set assigned channel to " |
| + assignedChannel); |
| } |
| socket.setChannel(assignedChannel); |
| } |
| if (errno != 0) { |
| //TODO(BT): Throw the same exception error code |
| // that the previous code was using. |
| //socket.mSocket.throwErrnoNative(errno); |
| throw new IOException("Error: " + errno); |
| } |
| return socket; |
| |
| } |
| |
| /** |
| * Read the local Out of Band Pairing Data |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| * |
| * @return Pair<byte[], byte[]> of Hash and Randomizer |
| * @hide |
| */ |
| public Pair<byte[], byte[]> readOutOfBandData() { |
| return null; |
| } |
| |
| /** |
| * Get the profile proxy object associated with the profile. |
| * |
| * <p>Profile can be one of {@link BluetoothProfile#HEADSET}, {@link BluetoothProfile#A2DP}, |
| * {@link BluetoothProfile#GATT}, {@link BluetoothProfile#HEARING_AID}, or {@link |
| * BluetoothProfile#GATT_SERVER}. Clients must implement {@link |
| * BluetoothProfile.ServiceListener} to get notified of the connection status and to get the |
| * proxy object. |
| * |
| * @param context Context of the application |
| * @param listener The service Listener for connection callbacks. |
| * @param profile The Bluetooth profile; either {@link BluetoothProfile#HEADSET}, |
| * {@link BluetoothProfile#A2DP}, {@link BluetoothProfile#GATT}, {@link |
| * BluetoothProfile#HEARING_AID} or {@link BluetoothProfile#GATT_SERVER}. |
| * @return true on success, false on error |
| */ |
| public boolean getProfileProxy(Context context, BluetoothProfile.ServiceListener listener, |
| int profile) { |
| if (context == null || listener == null) { |
| return false; |
| } |
| |
| if (profile == BluetoothProfile.HEADSET) { |
| BluetoothHeadset headset = new BluetoothHeadset(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.A2DP) { |
| BluetoothA2dp a2dp = new BluetoothA2dp(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.A2DP_SINK) { |
| BluetoothA2dpSink a2dpSink = new BluetoothA2dpSink(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.AVRCP_CONTROLLER) { |
| BluetoothAvrcpController avrcp = new BluetoothAvrcpController(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.HID_HOST) { |
| BluetoothHidHost iDev = new BluetoothHidHost(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.PAN) { |
| BluetoothPan pan = new BluetoothPan(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.HEALTH) { |
| Log.e(TAG, "getProfileProxy(): BluetoothHealth is deprecated"); |
| return false; |
| } else if (profile == BluetoothProfile.MAP) { |
| BluetoothMap map = new BluetoothMap(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.HEADSET_CLIENT) { |
| BluetoothHeadsetClient headsetClient = new BluetoothHeadsetClient(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.SAP) { |
| BluetoothSap sap = new BluetoothSap(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.PBAP_CLIENT) { |
| BluetoothPbapClient pbapClient = new BluetoothPbapClient(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.MAP_CLIENT) { |
| BluetoothMapClient mapClient = new BluetoothMapClient(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.HID_DEVICE) { |
| BluetoothHidDevice hidDevice = new BluetoothHidDevice(context, listener); |
| return true; |
| } else if (profile == BluetoothProfile.HEARING_AID) { |
| if (isHearingAidProfileSupported()) { |
| BluetoothHearingAid hearingAid = new BluetoothHearingAid(context, listener); |
| return true; |
| } |
| return false; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * Close the connection of the profile proxy to the Service. |
| * |
| * <p> Clients should call this when they are no longer using |
| * the proxy obtained from {@link #getProfileProxy}. |
| * Profile can be one of {@link BluetoothProfile#HEADSET} or {@link BluetoothProfile#A2DP} |
| * |
| * @param profile |
| * @param proxy Profile proxy object |
| */ |
| public void closeProfileProxy(int profile, BluetoothProfile proxy) { |
| if (proxy == null) { |
| return; |
| } |
| |
| switch (profile) { |
| case BluetoothProfile.HEADSET: |
| BluetoothHeadset headset = (BluetoothHeadset) proxy; |
| headset.close(); |
| break; |
| case BluetoothProfile.A2DP: |
| BluetoothA2dp a2dp = (BluetoothA2dp) proxy; |
| a2dp.close(); |
| break; |
| case BluetoothProfile.A2DP_SINK: |
| BluetoothA2dpSink a2dpSink = (BluetoothA2dpSink) proxy; |
| a2dpSink.close(); |
| break; |
| case BluetoothProfile.AVRCP_CONTROLLER: |
| BluetoothAvrcpController avrcp = (BluetoothAvrcpController) proxy; |
| avrcp.close(); |
| break; |
| case BluetoothProfile.HID_HOST: |
| BluetoothHidHost iDev = (BluetoothHidHost) proxy; |
| iDev.close(); |
| break; |
| case BluetoothProfile.PAN: |
| BluetoothPan pan = (BluetoothPan) proxy; |
| pan.close(); |
| break; |
| case BluetoothProfile.GATT: |
| BluetoothGatt gatt = (BluetoothGatt) proxy; |
| gatt.close(); |
| break; |
| case BluetoothProfile.GATT_SERVER: |
| BluetoothGattServer gattServer = (BluetoothGattServer) proxy; |
| gattServer.close(); |
| break; |
| case BluetoothProfile.MAP: |
| BluetoothMap map = (BluetoothMap) proxy; |
| map.close(); |
| break; |
| case BluetoothProfile.HEADSET_CLIENT: |
| BluetoothHeadsetClient headsetClient = (BluetoothHeadsetClient) proxy; |
| headsetClient.close(); |
| break; |
| case BluetoothProfile.SAP: |
| BluetoothSap sap = (BluetoothSap) proxy; |
| sap.close(); |
| break; |
| case BluetoothProfile.PBAP_CLIENT: |
| BluetoothPbapClient pbapClient = (BluetoothPbapClient) proxy; |
| pbapClient.close(); |
| break; |
| case BluetoothProfile.MAP_CLIENT: |
| BluetoothMapClient mapClient = (BluetoothMapClient) proxy; |
| mapClient.close(); |
| break; |
| case BluetoothProfile.HID_DEVICE: |
| BluetoothHidDevice hidDevice = (BluetoothHidDevice) proxy; |
| hidDevice.close(); |
| break; |
| case BluetoothProfile.HEARING_AID: |
| BluetoothHearingAid hearingAid = (BluetoothHearingAid) proxy; |
| hearingAid.close(); |
| } |
| } |
| |
| private final IBluetoothManagerCallback mManagerCallback = |
| new IBluetoothManagerCallback.Stub() { |
| public void onBluetoothServiceUp(IBluetooth bluetoothService) { |
| if (DBG) { |
| Log.d(TAG, "onBluetoothServiceUp: " + bluetoothService); |
| } |
| |
| mServiceLock.writeLock().lock(); |
| mService = bluetoothService; |
| mServiceLock.writeLock().unlock(); |
| |
| synchronized (mProxyServiceStateCallbacks) { |
| for (IBluetoothManagerCallback cb : mProxyServiceStateCallbacks) { |
| try { |
| if (cb != null) { |
| cb.onBluetoothServiceUp(bluetoothService); |
| } else { |
| Log.d(TAG, "onBluetoothServiceUp: cb is null!"); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "", e); |
| } |
| } |
| } |
| synchronized (sMetadataListeners) { |
| sMetadataListeners.forEach((device, pair) -> { |
| try { |
| mService.registerMetadataListener(sBluetoothMetadataListener, |
| device); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to register metadata listener", e); |
| } |
| }); |
| } |
| } |
| |
| public void onBluetoothServiceDown() { |
| if (DBG) { |
| Log.d(TAG, "onBluetoothServiceDown: " + mService); |
| } |
| |
| try { |
| mServiceLock.writeLock().lock(); |
| mService = null; |
| if (mLeScanClients != null) { |
| mLeScanClients.clear(); |
| } |
| if (sBluetoothLeAdvertiser != null) { |
| sBluetoothLeAdvertiser.cleanup(); |
| } |
| if (sBluetoothLeScanner != null) { |
| sBluetoothLeScanner.cleanup(); |
| } |
| } finally { |
| mServiceLock.writeLock().unlock(); |
| } |
| |
| synchronized (mProxyServiceStateCallbacks) { |
| for (IBluetoothManagerCallback cb : mProxyServiceStateCallbacks) { |
| try { |
| if (cb != null) { |
| cb.onBluetoothServiceDown(); |
| } else { |
| Log.d(TAG, "onBluetoothServiceDown: cb is null!"); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "", e); |
| } |
| } |
| } |
| } |
| |
| public void onBrEdrDown() { |
| if (VDBG) { |
| Log.i(TAG, "onBrEdrDown: " + mService); |
| } |
| } |
| }; |
| |
| /** |
| * Enable the Bluetooth Adapter, but don't auto-connect devices |
| * and don't persist state. Only for use by system applications. |
| * |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean enableNoAutoConnect() { |
| if (isEnabled()) { |
| if (DBG) { |
| Log.d(TAG, "enableNoAutoConnect(): BT already enabled!"); |
| } |
| return true; |
| } |
| try { |
| return mManagerService.enableNoAutoConnect(ActivityThread.currentPackageName()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Enable control of the Bluetooth Adapter for a single application. |
| * |
| * <p>Some applications need to use Bluetooth for short periods of time to |
| * transfer data but don't want all the associated implications like |
| * automatic connection to headsets etc. |
| * |
| * <p> Multiple applications can call this. This is reference counted and |
| * Bluetooth disabled only when no one else is using it. There will be no UI |
| * shown to the user while bluetooth is being enabled. Any user action will |
| * override this call. For example, if user wants Bluetooth on and the last |
| * user of this API wanted to disable Bluetooth, Bluetooth will not be |
| * turned off. |
| * |
| * <p> This API is only meant to be used by internal applications. Third |
| * party applications but use {@link #enable} and {@link #disable} APIs. |
| * |
| * <p> If this API returns true, it means the callback will be called. |
| * The callback will be called with the current state of Bluetooth. |
| * If the state is not what was requested, an internal error would be the |
| * reason. If Bluetooth is already on and if this function is called to turn |
| * it on, the api will return true and a callback will be called. |
| * |
| * <p>Requires {@link android.Manifest.permission#BLUETOOTH} |
| * |
| * @param on True for on, false for off. |
| * @param callback The callback to notify changes to the state. |
| * @hide |
| */ |
| public boolean changeApplicationBluetoothState(boolean on, |
| BluetoothStateChangeCallback callback) { |
| return false; |
| } |
| |
| /** |
| * @hide |
| */ |
| public interface BluetoothStateChangeCallback { |
| /** |
| * @hide |
| */ |
| void onBluetoothStateChange(boolean on); |
| } |
| |
| /** |
| * @hide |
| */ |
| public class StateChangeCallbackWrapper extends IBluetoothStateChangeCallback.Stub { |
| private BluetoothStateChangeCallback mCallback; |
| |
| StateChangeCallbackWrapper(BluetoothStateChangeCallback callback) { |
| mCallback = callback; |
| } |
| |
| @Override |
| public void onBluetoothStateChange(boolean on) { |
| mCallback.onBluetoothStateChange(on); |
| } |
| } |
| |
| private Set<BluetoothDevice> toDeviceSet(BluetoothDevice[] devices) { |
| Set<BluetoothDevice> deviceSet = new HashSet<BluetoothDevice>(Arrays.asList(devices)); |
| return Collections.unmodifiableSet(deviceSet); |
| } |
| |
| protected void finalize() throws Throwable { |
| try { |
| mManagerService.unregisterAdapter(mManagerCallback); |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| |
| /** |
| * Validate a String Bluetooth address, such as "00:43:A8:23:10:F0" |
| * <p>Alphabetic characters must be uppercase to be valid. |
| * |
| * @param address Bluetooth address as string |
| * @return true if the address is valid, false otherwise |
| */ |
| public static boolean checkBluetoothAddress(String address) { |
| if (address == null || address.length() != ADDRESS_LENGTH) { |
| return false; |
| } |
| for (int i = 0; i < ADDRESS_LENGTH; i++) { |
| char c = address.charAt(i); |
| switch (i % 3) { |
| case 0: |
| case 1: |
| if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F')) { |
| // hex character, OK |
| break; |
| } |
| return false; |
| case 2: |
| if (c == ':') { |
| break; // OK |
| } |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @UnsupportedAppUsage |
| /*package*/ IBluetoothManager getBluetoothManager() { |
| return mManagerService; |
| } |
| |
| private final ArrayList<IBluetoothManagerCallback> mProxyServiceStateCallbacks = |
| new ArrayList<IBluetoothManagerCallback>(); |
| |
| @UnsupportedAppUsage |
| /*package*/ IBluetooth getBluetoothService(IBluetoothManagerCallback cb) { |
| synchronized (mProxyServiceStateCallbacks) { |
| if (cb == null) { |
| Log.w(TAG, "getBluetoothService() called with no BluetoothManagerCallback"); |
| } else if (!mProxyServiceStateCallbacks.contains(cb)) { |
| mProxyServiceStateCallbacks.add(cb); |
| } |
| } |
| return mService; |
| } |
| |
| /*package*/ void removeServiceStateCallback(IBluetoothManagerCallback cb) { |
| synchronized (mProxyServiceStateCallbacks) { |
| mProxyServiceStateCallbacks.remove(cb); |
| } |
| } |
| |
| /** |
| * Callback interface used to deliver LE scan results. |
| * |
| * @see #startLeScan(LeScanCallback) |
| * @see #startLeScan(UUID[], LeScanCallback) |
| */ |
| public interface LeScanCallback { |
| /** |
| * Callback reporting an LE device found during a device scan initiated |
| * by the {@link BluetoothAdapter#startLeScan} function. |
| * |
| * @param device Identifies the remote device |
| * @param rssi The RSSI value for the remote device as reported by the Bluetooth hardware. 0 |
| * if no RSSI value is available. |
| * @param scanRecord The content of the advertisement record offered by the remote device. |
| */ |
| void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord); |
| } |
| |
| /** |
| * Starts a scan for Bluetooth LE devices. |
| * |
| * <p>Results of the scan are reported using the |
| * {@link LeScanCallback#onLeScan} callback. |
| * |
| * @param callback the callback LE scan results are delivered |
| * @return true, if the scan was started successfully |
| * @deprecated use {@link BluetoothLeScanner#startScan(List, ScanSettings, ScanCallback)} |
| * instead. |
| */ |
| @Deprecated |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean startLeScan(LeScanCallback callback) { |
| return startLeScan(null, callback); |
| } |
| |
| /** |
| * Starts a scan for Bluetooth LE devices, looking for devices that |
| * advertise given services. |
| * |
| * <p>Devices which advertise all specified services are reported using the |
| * {@link LeScanCallback#onLeScan} callback. |
| * |
| * @param serviceUuids Array of services to look for |
| * @param callback the callback LE scan results are delivered |
| * @return true, if the scan was started successfully |
| * @deprecated use {@link BluetoothLeScanner#startScan(List, ScanSettings, ScanCallback)} |
| * instead. |
| */ |
| @Deprecated |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public boolean startLeScan(final UUID[] serviceUuids, final LeScanCallback callback) { |
| if (DBG) { |
| Log.d(TAG, "startLeScan(): " + Arrays.toString(serviceUuids)); |
| } |
| if (callback == null) { |
| if (DBG) { |
| Log.e(TAG, "startLeScan: null callback"); |
| } |
| return false; |
| } |
| BluetoothLeScanner scanner = getBluetoothLeScanner(); |
| if (scanner == null) { |
| if (DBG) { |
| Log.e(TAG, "startLeScan: cannot get BluetoothLeScanner"); |
| } |
| return false; |
| } |
| |
| synchronized (mLeScanClients) { |
| if (mLeScanClients.containsKey(callback)) { |
| if (DBG) { |
| Log.e(TAG, "LE Scan has already started"); |
| } |
| return false; |
| } |
| |
| try { |
| IBluetoothGatt iGatt = mManagerService.getBluetoothGatt(); |
| if (iGatt == null) { |
| // BLE is not supported |
| return false; |
| } |
| |
| ScanCallback scanCallback = new ScanCallback() { |
| @Override |
| public void onScanResult(int callbackType, ScanResult result) { |
| if (callbackType != ScanSettings.CALLBACK_TYPE_ALL_MATCHES) { |
| // Should not happen. |
| Log.e(TAG, "LE Scan has already started"); |
| return; |
| } |
| ScanRecord scanRecord = result.getScanRecord(); |
| if (scanRecord == null) { |
| return; |
| } |
| if (serviceUuids != null) { |
| List<ParcelUuid> uuids = new ArrayList<ParcelUuid>(); |
| for (UUID uuid : serviceUuids) { |
| uuids.add(new ParcelUuid(uuid)); |
| } |
| List<ParcelUuid> scanServiceUuids = scanRecord.getServiceUuids(); |
| if (scanServiceUuids == null || !scanServiceUuids.containsAll(uuids)) { |
| if (DBG) { |
| Log.d(TAG, "uuids does not match"); |
| } |
| return; |
| } |
| } |
| callback.onLeScan(result.getDevice(), result.getRssi(), |
| scanRecord.getBytes()); |
| } |
| }; |
| ScanSettings settings = new ScanSettings.Builder().setCallbackType( |
| ScanSettings.CALLBACK_TYPE_ALL_MATCHES) |
| .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY) |
| .build(); |
| |
| List<ScanFilter> filters = new ArrayList<ScanFilter>(); |
| if (serviceUuids != null && serviceUuids.length > 0) { |
| // Note scan filter does not support matching an UUID array so we put one |
| // UUID to hardware and match the whole array in callback. |
| ScanFilter filter = |
| new ScanFilter.Builder().setServiceUuid(new ParcelUuid(serviceUuids[0])) |
| .build(); |
| filters.add(filter); |
| } |
| scanner.startScan(filters, settings, scanCallback); |
| |
| mLeScanClients.put(callback, scanCallback); |
| return true; |
| |
| } catch (RemoteException e) { |
| Log.e(TAG, "", e); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Stops an ongoing Bluetooth LE device scan. |
| * |
| * @param callback used to identify which scan to stop must be the same handle used to start the |
| * scan |
| * @deprecated Use {@link BluetoothLeScanner#stopScan(ScanCallback)} instead. |
| */ |
| @Deprecated |
| @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) |
| public void stopLeScan(LeScanCallback callback) { |
| if (DBG) { |
| Log.d(TAG, "stopLeScan()"); |
| } |
| BluetoothLeScanner scanner = getBluetoothLeScanner(); |
| if (scanner == null) { |
| return; |
| } |
| synchronized (mLeScanClients) { |
| ScanCallback scanCallback = mLeScanClients.remove(callback); |
| if (scanCallback == null) { |
| if (DBG) { |
| Log.d(TAG, "scan not started yet"); |
| } |
| return; |
| } |
| scanner.stopScan(scanCallback); |
| } |
| } |
| |
| /** |
| * Create a secure L2CAP Connection-oriented Channel (CoC) {@link BluetoothServerSocket} and |
| * assign a dynamic protocol/service multiplexer (PSM) value. This socket can be used to listen |
| * for incoming connections. The supported Bluetooth transport is LE only. |
| * <p>A remote device connecting to this socket will be authenticated and communication on this |
| * socket will be encrypted. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming connections from a listening |
| * {@link BluetoothServerSocket}. |
| * <p>The system will assign a dynamic PSM value. This PSM value can be read from the {@link |
| * BluetoothServerSocket#getPsm()} and this value will be released when this server socket is |
| * closed, Bluetooth is turned off, or the application exits unexpectedly. |
| * <p>The mechanism of disclosing the assigned dynamic PSM value to the initiating peer is |
| * defined and performed by the application. |
| * <p>Use {@link BluetoothDevice#createL2capChannel(int)} to connect to this server |
| * socket from another Android device that is given the PSM value. |
| * |
| * @return an L2CAP CoC BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or unable to start this CoC |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public @NonNull BluetoothServerSocket listenUsingL2capChannel() |
| throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP_LE, true, true, |
| SOCKET_CHANNEL_AUTO_STATIC_NO_SDP, false, false); |
| int errno = socket.mSocket.bindListen(); |
| if (errno != 0) { |
| throw new IOException("Error: " + errno); |
| } |
| |
| int assignedPsm = socket.mSocket.getPort(); |
| if (assignedPsm == 0) { |
| throw new IOException("Error: Unable to assign PSM value"); |
| } |
| if (DBG) { |
| Log.d(TAG, "listenUsingL2capChannel: set assigned PSM to " |
| + assignedPsm); |
| } |
| socket.setChannel(assignedPsm); |
| |
| return socket; |
| } |
| |
| /** |
| * TODO: Remove this hidden method once all the SL4A and other tests are updated to use the new |
| * API name, listenUsingL2capChannel. |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public BluetoothServerSocket listenUsingL2capCoc(int transport) |
| throws IOException { |
| Log.e(TAG, "listenUsingL2capCoc: PLEASE USE THE OFFICIAL API, listenUsingL2capChannel"); |
| return listenUsingL2capChannel(); |
| } |
| |
| /** |
| * Create an insecure L2CAP Connection-oriented Channel (CoC) {@link BluetoothServerSocket} and |
| * assign a dynamic PSM value. This socket can be used to listen for incoming connections. The |
| * supported Bluetooth transport is LE only. |
| * <p>The link key is not required to be authenticated, i.e the communication may be vulnerable |
| * to man-in-the-middle attacks. Use {@link #listenUsingL2capChannel}, if an encrypted and |
| * authenticated communication channel is desired. |
| * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming connections from a listening |
| * {@link BluetoothServerSocket}. |
| * <p>The system will assign a dynamic protocol/service multiplexer (PSM) value. This PSM value |
| * can be read from the {@link BluetoothServerSocket#getPsm()} and this value will be released |
| * when this server socket is closed, Bluetooth is turned off, or the application exits |
| * unexpectedly. |
| * <p>The mechanism of disclosing the assigned dynamic PSM value to the initiating peer is |
| * defined and performed by the application. |
| * <p>Use {@link BluetoothDevice#createInsecureL2capChannel(int)} to connect to this server |
| * socket from another Android device that is given the PSM value. |
| * |
| * @return an L2CAP CoC BluetoothServerSocket |
| * @throws IOException on error, for example Bluetooth not available, or insufficient |
| * permissions, or unable to start this CoC |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public @NonNull BluetoothServerSocket listenUsingInsecureL2capChannel() |
| throws IOException { |
| BluetoothServerSocket socket = |
| new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP_LE, false, false, |
| SOCKET_CHANNEL_AUTO_STATIC_NO_SDP, false, false); |
| int errno = socket.mSocket.bindListen(); |
| if (errno != 0) { |
| throw new IOException("Error: " + errno); |
| } |
| |
| int assignedPsm = socket.mSocket.getPort(); |
| if (assignedPsm == 0) { |
| throw new IOException("Error: Unable to assign PSM value"); |
| } |
| if (DBG) { |
| Log.d(TAG, "listenUsingInsecureL2capChannel: set assigned PSM to " |
| + assignedPsm); |
| } |
| socket.setChannel(assignedPsm); |
| |
| return socket; |
| } |
| |
| /** |
| * TODO: Remove this hidden method once all the SL4A and other tests are updated to use the new |
| * API name, listenUsingInsecureL2capChannel. |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH) |
| public BluetoothServerSocket listenUsingInsecureL2capCoc(int transport) |
| throws IOException { |
| Log.e(TAG, "listenUsingInsecureL2capCoc: PLEASE USE THE OFFICIAL API, " |
| + "listenUsingInsecureL2capChannel"); |
| return listenUsingInsecureL2capChannel(); |
| } |
| |
| /** |
| * Register a {@link #OnMetadataChangedListener} to receive update about metadata |
| * changes for this {@link BluetoothDevice}. |
| * Registration must be done when Bluetooth is ON and will last until |
| * {@link #removeOnMetadataChangedListener(BluetoothDevice)} is called, even when Bluetooth |
| * restarted in the middle. |
| * All input parameters should not be null or {@link NullPointerException} will be triggered. |
| * The same {@link BluetoothDevice} and {@link #OnMetadataChangedListener} pair can only be |
| * registered once, double registration would cause {@link IllegalArgumentException}. |
| * |
| * @param device {@link BluetoothDevice} that will be registered |
| * @param executor the executor for listener callback |
| * @param listener {@link #OnMetadataChangedListener} that will receive asynchronous callbacks |
| * @return true on success, false on error |
| * @throws NullPointerException If one of {@code listener}, {@code device} or {@code executor} |
| * is null. |
| * @throws IllegalArgumentException The same {@link #OnMetadataChangedListener} and |
| * {@link BluetoothDevice} are registered twice. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean addOnMetadataChangedListener(@NonNull BluetoothDevice device, |
| @NonNull Executor executor, @NonNull OnMetadataChangedListener listener) { |
| if (DBG) Log.d(TAG, "addOnMetadataChangedListener()"); |
| |
| final IBluetooth service = mService; |
| if (service == null) { |
| Log.e(TAG, "Bluetooth is not enabled. Cannot register metadata listener"); |
| return false; |
| } |
| if (listener == null) { |
| throw new NullPointerException("listener is null"); |
| } |
| if (device == null) { |
| throw new NullPointerException("device is null"); |
| } |
| if (executor == null) { |
| throw new NullPointerException("executor is null"); |
| } |
| |
| synchronized (sMetadataListeners) { |
| List<Pair<OnMetadataChangedListener, Executor>> listenerList = |
| sMetadataListeners.get(device); |
| if (listenerList == null) { |
| // Create new listener/executor list for registeration |
| listenerList = new ArrayList<>(); |
| sMetadataListeners.put(device, listenerList); |
| } else { |
| // Check whether this device was already registed by the lisenter |
| if (listenerList.stream().anyMatch((pair) -> (pair.first.equals(listener)))) { |
| throw new IllegalArgumentException("listener was already regestered" |
| + " for the device"); |
| } |
| } |
| |
| Pair<OnMetadataChangedListener, Executor> listenerPair = new Pair(listener, executor); |
| listenerList.add(listenerPair); |
| |
| boolean ret = false; |
| try { |
| ret = service.registerMetadataListener(sBluetoothMetadataListener, device); |
| } catch (RemoteException e) { |
| Log.e(TAG, "registerMetadataListener fail", e); |
| } finally { |
| if (!ret) { |
| // Remove listener registered earlier when fail. |
| listenerList.remove(listenerPair); |
| if (listenerList.isEmpty()) { |
| // Remove the device if its listener list is empty |
| sMetadataListeners.remove(device); |
| } |
| } |
| } |
| return ret; |
| } |
| } |
| |
| /** |
| * Unregister a {@link #OnMetadataChangedListener} from a registered {@link BluetoothDevice}. |
| * Unregistration can be done when Bluetooth is either ON or OFF. |
| * {@link #addOnMetadataChangedListener(OnMetadataChangedListener, BluetoothDevice, Executor)} |
| * must be called before unregisteration. |
| * |
| * @param device {@link BluetoothDevice} that will be unregistered. It |
| * should not be null or {@link NullPointerException} will be triggered. |
| * @param listener {@link OnMetadataChangedListener} that will be unregistered. It |
| * should not be null or {@link NullPointerException} will be triggered. |
| * @return true on success, false on error |
| * @throws NullPointerException If {@code listener} or {@code device} is null. |
| * @throws IllegalArgumentException If {@code device} has not been registered before. |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean removeOnMetadataChangedListener(@NonNull BluetoothDevice device, |
| @NonNull OnMetadataChangedListener listener) { |
| if (DBG) Log.d(TAG, "removeOnMetadataChangedListener()"); |
| if (device == null) { |
| throw new NullPointerException("device is null"); |
| } |
| if (listener == null) { |
| throw new NullPointerException("listener is null"); |
| } |
| |
| synchronized (sMetadataListeners) { |
| if (!sMetadataListeners.containsKey(device)) { |
| throw new IllegalArgumentException("device was not registered"); |
| } |
| // Remove issued listener from the registered device |
| sMetadataListeners.get(device).removeIf((pair) -> (pair.first.equals(listener))); |
| |
| if (sMetadataListeners.get(device).isEmpty()) { |
| // Unregister to Bluetooth service if all listeners are removed from |
| // the registered device |
| sMetadataListeners.remove(device); |
| final IBluetooth service = mService; |
| if (service == null) { |
| // Bluetooth is OFF, do nothing to Bluetooth service. |
| return true; |
| } |
| try { |
| return service.unregisterMetadataListener(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, "unregisterMetadataListener fail", e); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * This interface is used to implement {@link BluetoothAdapter} metadata listener. |
| * @hide |
| */ |
| @SystemApi |
| public interface OnMetadataChangedListener { |
| /** |
| * Callback triggered if the metadata of {@link BluetoothDevice} registered in |
| * {@link #addOnMetadataChangedListener}. |
| * |
| * @param device changed {@link BluetoothDevice}. |
| * @param key changed metadata key, one of BluetoothDevice.METADATA_*. |
| * @param value the new value of metadata as byte array. |
| */ |
| void onMetadataChanged(@NonNull BluetoothDevice device, int key, |
| @Nullable byte[] value); |
| } |
| |
| /** |
| * Converts old constant of priority to the new for connection policy |
| * |
| * @param priority is the priority to convert to connection policy |
| * @return the equivalent connection policy constant to the priority |
| * |
| * @hide |
| */ |
| public static @ConnectionPolicy int priorityToConnectionPolicy(int priority) { |
| switch(priority) { |
| case BluetoothProfile.PRIORITY_AUTO_CONNECT: |
| return BluetoothProfile.CONNECTION_POLICY_ALLOWED; |
| case BluetoothProfile.PRIORITY_ON: |
| return BluetoothProfile.CONNECTION_POLICY_ALLOWED; |
| case BluetoothProfile.PRIORITY_OFF: |
| return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| case BluetoothProfile.PRIORITY_UNDEFINED: |
| return BluetoothProfile.CONNECTION_POLICY_UNKNOWN; |
| default: |
| Log.e(TAG, "setPriority: Invalid priority: " + priority); |
| return BluetoothProfile.CONNECTION_POLICY_UNKNOWN; |
| } |
| } |
| |
| /** |
| * Converts new constant of connection policy to the old for priority |
| * |
| * @param connectionPolicy is the connection policy to convert to priority |
| * @return the equivalent priority constant to the connectionPolicy |
| * |
| * @hide |
| */ |
| public static int connectionPolicyToPriority(@ConnectionPolicy int connectionPolicy) { |
| switch(connectionPolicy) { |
| case BluetoothProfile.CONNECTION_POLICY_ALLOWED: |
| return BluetoothProfile.PRIORITY_ON; |
| case BluetoothProfile.CONNECTION_POLICY_FORBIDDEN: |
| return BluetoothProfile.PRIORITY_OFF; |
| case BluetoothProfile.CONNECTION_POLICY_UNKNOWN: |
| return BluetoothProfile.PRIORITY_UNDEFINED; |
| } |
| return BluetoothProfile.PRIORITY_UNDEFINED; |
| } |
| } |