Qt 5.7 | Qt Bluetooth | Bluetooth Scanner Example | service.cpp Example File

Qt 5.7.1 Reference Documentation

# service.cpp Example File

btscanner/service.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
      ** Contact: http://www.qt.io/licensing/
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      ** This file is part of the QtBluetooth module of the Qt Toolkit.
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      #include "service.h"

      #include <qbluetoothaddress.h>
      #include <qbluetoothservicediscoveryagent.h>
      #include <qbluetoothserviceinfo.h>
      #include <qbluetoothlocaldevice.h>
      #include <qbluetoothuuid.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);
      }