mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-08-15 03:40:31 +02:00
249 lines
7.8 KiB
Java
249 lines
7.8 KiB
Java
/* Copyright (C) 2015-2024 Andreas Shimokawa, Carsten Pfeiffer, Daniel
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Dakhno, Daniele Gobbetti, José Rebelo, Taavi Eomäe
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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.impl;
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import android.bluetooth.BluetoothDevice;
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import android.os.Parcel;
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import android.os.ParcelUuid;
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import android.os.Parcelable;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import java.util.UUID;
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import androidx.annotation.NonNull;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
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import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
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import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
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/**
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* A device candidate is a Bluetooth device that is not yet managed by
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* Gadgetbridge. Only if a DeviceCoordinator steps up and confirms to
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* support this candidate, will the candidate be promoted to a GBDevice.
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*/
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public class GBDeviceCandidate implements Parcelable, Cloneable {
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private static final Logger LOG = LoggerFactory.getLogger(GBDeviceCandidate.class);
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private BluetoothDevice device;
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private short rssi;
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private ParcelUuid[] serviceUuids;
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// Cached values for device name and bond status, to avoid querying the remote bt device
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private String deviceName;
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private Boolean isBonded = null;
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public GBDeviceCandidate(BluetoothDevice device, short rssi, ParcelUuid[] serviceUuids) {
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this.device = device;
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this.rssi = rssi;
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this.serviceUuids = serviceUuids != null ? serviceUuids : new ParcelUuid[0];
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}
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private GBDeviceCandidate(Parcel in) {
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device = in.readParcelable(getClass().getClassLoader());
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if (device == null) {
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throw new IllegalStateException("Unable to read state from Parcel");
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}
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rssi = (short) in.readInt();
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serviceUuids = AndroidUtils.toParcelUuids(in.readParcelableArray(getClass().getClassLoader()));
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deviceName = in.readString();
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final int isBondedInt = in.readInt();
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if (isBondedInt != -1) {
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isBonded = (isBondedInt == 1);
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}
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeParcelable(device, 0);
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dest.writeInt(rssi);
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dest.writeParcelableArray(serviceUuids, 0);
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dest.writeString(deviceName);
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if (isBonded == null) {
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dest.writeInt(-1);
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} else {
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dest.writeInt(isBonded ? 1 : 0);
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}
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}
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public static final Creator<GBDeviceCandidate> CREATOR = new Creator<GBDeviceCandidate>() {
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@Override
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public GBDeviceCandidate createFromParcel(Parcel in) {
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return new GBDeviceCandidate(in);
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}
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@Override
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public GBDeviceCandidate[] newArray(int size) {
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return new GBDeviceCandidate[size];
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}
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};
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public BluetoothDevice getDevice() {
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return device;
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}
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public String getMacAddress() {
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return device != null ? device.getAddress() : GBApplication.getContext().getString(R.string._unknown_);
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}
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private ParcelUuid[] mergeServiceUuids(ParcelUuid[] serviceUuids, ParcelUuid[] deviceUuids) {
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Set<ParcelUuid> uuids = new LinkedHashSet<>();
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if (serviceUuids != null) {
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uuids.addAll(Arrays.asList(serviceUuids));
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}
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if (deviceUuids != null) {
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uuids.addAll(Arrays.asList(deviceUuids));
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}
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return uuids.toArray(new ParcelUuid[0]);
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}
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public void addUuids(ParcelUuid[] newUuids) {
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this.serviceUuids = mergeServiceUuids(serviceUuids, newUuids);
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}
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public void setRssi(short rssi) {
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this.rssi = rssi;
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}
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public boolean isBonded() {
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if (isBonded == null) {
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try {
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isBonded = device.getBondState() == BluetoothDevice.BOND_BONDED;
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} catch (final SecurityException e) {
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/* This should never happen because we need all the permissions
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to get to the point where we can even scan, but 'SecurityException' check
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is added to stop Android Studio errors */
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LOG.error("SecurityException on getBonded");
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isBonded = false;
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}
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}
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return isBonded;
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}
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@NonNull
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public ParcelUuid[] getServiceUuids() {
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return serviceUuids;
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}
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public boolean supportsService(UUID aService) {
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ParcelUuid[] uuids = getServiceUuids();
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if (uuids == null || uuids.length == 0) {
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LOG.warn("no cached services available for " + this);
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return false;
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}
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for (ParcelUuid uuid : uuids) {
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if (uuid != null && aService.equals(uuid.getUuid())) {
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return true;
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}
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}
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return false;
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}
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public String getName() {
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if (isNameKnown()) {
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return deviceName;
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}
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return "(unknown)";
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}
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public void refreshNameIfUnknown() {
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if (isNameKnown()) {
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return;
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}
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try {
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final Method method = device.getClass().getMethod("getAliasName");
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deviceName = (String) method.invoke(device);
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} catch (final NoSuchMethodException ignore) {
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// ignored
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} catch (final IllegalAccessException | InvocationTargetException ignore) {
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LOG.warn("Could not get device alias for {}", device.getAddress());
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}
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if (deviceName == null || deviceName.isEmpty()) {
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try {
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deviceName = device.getName();
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} catch (final SecurityException e) {
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// Should never happen
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LOG.error("SecurityException on device.getName");
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}
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}
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}
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public boolean isNameKnown() {
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return deviceName != null && !deviceName.isEmpty();
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}
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public short getRssi() {
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return rssi;
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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GBDeviceCandidate that = (GBDeviceCandidate) o;
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return device.getAddress().equals(that.device.getAddress());
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}
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@Override
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public int hashCode() {
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return device.getAddress().hashCode() ^ 37;
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}
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@Override
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public String toString() {
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return getName() + ": " + getMacAddress();
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}
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@NonNull
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@Override
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public GBDeviceCandidate clone() {
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try {
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final GBDeviceCandidate clone = (GBDeviceCandidate) super.clone();
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clone.device = this.device;
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clone.rssi = this.rssi;
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clone.serviceUuids = this.serviceUuids;
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clone.deviceName = this.deviceName;
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clone.isBonded = this.isBonded;
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return clone;
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} catch (final CloneNotSupportedException e) {
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throw new RuntimeException(e);
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}
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}
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}
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