/* Copyright (C) 2015-2024 115ek, akasaka / Genjitsu Labs, Andreas Böhler,
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Andreas Shimokawa, Andrew Watkins, angelpup, Arjan Schrijver, Carsten Pfeiffer,
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Cre3per, DanialHanif, Daniel Dakhno, Daniele Gobbetti, Daniel Thompson, Da Pa,
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Dmytro Bielik, Frank Ertl, GeekosaurusR3x, Gordon Williams, Jean-François
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Greffier, jfgreffier, jhey, João Paulo Barraca, Jochen S, Johannes Krude,
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José Rebelo, ksiwczynski, ladbsoft, Lesur Frederic, Maciej Kuśnierz, mamucho,
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Manuel Ruß, maxirnilian, mkusnierz, narektor, Noodlez, odavo32nof, opavlov,
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pangwalla, Pavel Elagin, Petr Kadlec, Petr Vaněk, protomors, Quallenauge,
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Quang Ngô, Raghd Hamzeh, Sami Alaoui, Sebastian Kranz, sedy89, Sophanimus,
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Stefan Bora, Taavi Eomäe, thermatk, tiparega, Vadim Kaushan, x29a, xaos,
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Yukai Li
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.util;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.content.Context;
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import android.widget.Toast;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.GBException;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
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import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
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import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst;
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import nodomain.freeyourgadget.gadgetbridge.entities.Device;
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import nodomain.freeyourgadget.gadgetbridge.entities.DeviceAttributes;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDeviceCandidate;
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import nodomain.freeyourgadget.gadgetbridge.model.BatteryConfig;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
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public class DeviceHelper {
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private static final Logger LOG = LoggerFactory.getLogger(DeviceHelper.class);
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private static final DeviceHelper instance = new DeviceHelper();
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private DeviceType[] orderedDeviceTypes = null;
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public static DeviceHelper getInstance() {
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return instance;
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}
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private final HashMap<String, DeviceType> deviceTypeCache = new HashMap<>();
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public GBDevice findAvailableDevice(String deviceAddress, Context context) {
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Set<GBDevice> availableDevices = getAvailableDevices(context);
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for (GBDevice availableDevice : availableDevices) {
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if (deviceAddress.equals(availableDevice.getAddress())) {
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return availableDevice;
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}
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}
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return null;
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}
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/**
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* Returns the list of all available devices that are supported by Gadgetbridge.
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* Note that no state is known about the returned devices. Even if one of those
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* devices is connected, it will report the default not-connected state.
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*
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* Clients interested in the "live" devices being managed should use the class
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* DeviceManager.
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* @param context
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* @return
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*/
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public Set<GBDevice> getAvailableDevices(Context context) {
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BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
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if (btAdapter == null) {
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GB.toast(context, context.getString(R.string.bluetooth_is_not_supported_), Toast.LENGTH_SHORT, GB.WARN);
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} else if (!btAdapter.isEnabled()) {
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GB.toast(context, context.getString(R.string.bluetooth_is_disabled_), Toast.LENGTH_SHORT, GB.WARN);
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}
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Set<GBDevice> availableDevices = new LinkedHashSet<>(getDatabaseDevices());
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Prefs prefs = GBApplication.getPrefs();
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return availableDevices;
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}
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public GBDevice toSupportedDevice(BluetoothDevice device) {
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GBDeviceCandidate candidate = new GBDeviceCandidate(device, GBDevice.RSSI_UNKNOWN, device.getUuids());
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candidate.refreshNameIfUnknown();
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return toSupportedDevice(candidate);
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}
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public GBDevice toSupportedDevice(GBDeviceCandidate candidate) {
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DeviceType resolvedType = resolveDeviceType(candidate);
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return resolvedType.getDeviceCoordinator().createDevice(candidate, resolvedType);
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}
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private DeviceType[] getOrderedDeviceTypes(){
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if(orderedDeviceTypes == null){
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ArrayList<DeviceType> orderedDevices = new ArrayList<>(Arrays.asList(DeviceType.values()));
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Collections.sort(orderedDevices, Comparator.comparingInt(dc -> dc.getDeviceCoordinator().getOrderPriority()));
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orderedDeviceTypes = orderedDevices.toArray(new DeviceType[0]);
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}
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return orderedDeviceTypes;
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}
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public DeviceType resolveDeviceType(GBDeviceCandidate deviceCandidate) {
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return resolveDeviceType(deviceCandidate, true);
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}
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public DeviceType resolveDeviceType(GBDeviceCandidate deviceCandidate, boolean useCache){
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synchronized (this) {
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if(useCache) {
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DeviceType cachedType =
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deviceTypeCache.get(deviceCandidate.getMacAddress().toLowerCase());
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if (cachedType != null) {
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return cachedType;
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}
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}
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for (DeviceType type : getOrderedDeviceTypes()) {
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if (type.getDeviceCoordinator().supports(deviceCandidate)) {
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deviceTypeCache.put(deviceCandidate.getMacAddress().toLowerCase(), type);
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return type;
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}
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}
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deviceTypeCache.put(deviceCandidate.getMacAddress().toLowerCase(), DeviceType.UNKNOWN);
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}
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return DeviceType.UNKNOWN;
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}
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public DeviceCoordinator resolveCoordinator(GBDeviceCandidate device) {
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return resolveDeviceType(device).getDeviceCoordinator();
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}
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private List<GBDevice> getDatabaseDevices() {
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List<GBDevice> result = new ArrayList<>();
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try (DBHandler lockHandler = GBApplication.acquireDB()) {
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List<Device> activeDevices = DBHelper.getActiveDevices(lockHandler.getDaoSession());
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for (Device dbDevice : activeDevices) {
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GBDevice gbDevice = toGBDevice(dbDevice);
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if (gbDevice != null && gbDevice.getType().isSupported()) {
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result.add(gbDevice);
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}
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}
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return result;
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} catch (Exception e) {
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GB.toast(GBApplication.getContext().getString(R.string.error_retrieving_devices_database), Toast.LENGTH_SHORT, GB.ERROR, e);
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return Collections.emptyList();
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}
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}
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/**
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* Converts a known device from the database to a GBDevice.
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* Note: The device might not be supported anymore, so callers should verify that.
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* @param dbDevice
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* @return
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*/
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public GBDevice toGBDevice(Device dbDevice) {
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DeviceType deviceType = DeviceType.fromName(dbDevice.getTypeName());
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GBDevice gbDevice = new GBDevice(dbDevice.getIdentifier(), dbDevice.getName(), dbDevice.getAlias(), dbDevice.getParentFolder(), deviceType);
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DeviceCoordinator coordinator = gbDevice.getDeviceCoordinator();
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for (BatteryConfig batteryConfig : coordinator.getBatteryConfig(gbDevice)) {
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gbDevice.setBatteryIcon(batteryConfig.getBatteryIcon(), batteryConfig.getBatteryIndex());
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gbDevice.setBatteryLabel(batteryConfig.getBatteryLabel(), batteryConfig.getBatteryIndex());
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}
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List<DeviceAttributes> deviceAttributesList = dbDevice.getDeviceAttributesList();
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if (deviceAttributesList.size() > 0) {
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gbDevice.setModel(dbDevice.getModel());
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DeviceAttributes attrs = deviceAttributesList.get(0);
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gbDevice.setFirmwareVersion(attrs.getFirmwareVersion1());
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gbDevice.setFirmwareVersion2(attrs.getFirmwareVersion2());
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gbDevice.setVolatileAddress(attrs.getVolatileIdentifier());
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}
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return gbDevice;
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}
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/**
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* Attempts to removing the bonding with the given device. Returns true
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* if bonding was supposedly successful and false if anything went wrong
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* @param device
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* @return
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*/
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public boolean removeBond(GBDevice device) throws GBException {
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BluetoothAdapter defaultAdapter = BluetoothAdapter.getDefaultAdapter();
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if (defaultAdapter != null) {
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BluetoothDevice remoteDevice = defaultAdapter.getRemoteDevice(device.getAddress());
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if (remoteDevice != null) {
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try {
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Method method = BluetoothDevice.class.getMethod("removeBond", (Class[]) null);
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Object result = method.invoke(remoteDevice, (Object[]) null);
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return Boolean.TRUE.equals(result);
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} catch (Exception e) {
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throw new GBException("Error removing bond to device: " + device, e);
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}
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}
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}
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return false;
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}
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}
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