- Qt 5.3
- Qt Bluetooth
- Bluetooth Scanner Example
- service.cpp Example File
- Qt 5.3.2 Reference Documentation

# service.cpp Example File

btscanner/service.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the QtBluetooth module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/

    #include "service.h"

    #include <qbluetoothaddress.h>
    #include <qbluetoothservicediscoveryagent.h>
    #include <qbluetoothserviceinfo.h>
    #include <qbluetoothlocaldevice.h>

    ServiceDiscoveryDialog::ServiceDiscoveryDialog(const QString &name,
                                                   const QBluetoothAddress &address, QWidget *parent)
    :   QDialog(parent), ui(new Ui_ServiceDiscovery)
    {
        ui->setupUi(this);

        //Using default Bluetooth adapter
        QBluetoothLocalDevice localDevice;
        QBluetoothAddress adapterAddress = localDevice.address();

        /*
         * In case of multiple Bluetooth adapters it is possible to
         * set which adapter will be used by providing MAC Address.
         * Example code:
         *
         * QBluetoothAddress adapterAddress("XX:XX:XX:XX:XX:XX");
         * discoveryAgent = new QBluetoothServiceDiscoveryAgent(adapterAddress);
         */

        discoveryAgent = new QBluetoothServiceDiscoveryAgent(adapterAddress);

        discoveryAgent->setRemoteAddress(address);

        setWindowTitle(name);

        connect(discoveryAgent, SIGNAL(serviceDiscovered(QBluetoothServiceInfo)),
                this, SLOT(addService(QBluetoothServiceInfo)));
        connect(discoveryAgent, SIGNAL(finished()), ui->status, SLOT(hide()));

        discoveryAgent->start();
    }

    ServiceDiscoveryDialog::~ServiceDiscoveryDialog()
    {
        delete discoveryAgent;
        delete ui;
    }

    void ServiceDiscoveryDialog::addService(const QBluetoothServiceInfo &info)
    {
        if (info.serviceName().isEmpty())
            return;

        QString line = info.serviceName();
        if (!info.serviceDescription().isEmpty())
            line.append("\n\t" + info.serviceDescription());
        if (!info.serviceProvider().isEmpty())
            line.append("\n\t" + info.serviceProvider());

        ui->list->addItem(line);
    }