qmlchat.cpp Example File

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  #include <QtGui/QGuiApplication>
  #include <QtQuick/QQuickView>
  #include <QtQml/QQmlEngine>
  #include <QtQml/QQmlContext>
  #include <QDebug>
  #include <QBluetoothLocalDevice>
  #include <QtCore/QLoggingCategory>
  #ifdef Q_OS_ANDROID
  #include <QtAndroidExtras/QtAndroid>
  #endif

  int main(int argc, char *argv[])
  {
      //QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
      QGuiApplication application(argc, argv);

      QList<QBluetoothHostInfo> infos = QBluetoothLocalDevice::allDevices();
      if (infos.isEmpty())
          qWarning() << "Missing Bluetooth local device. "
                        "Example will not work properly.";

      const QString mainQmlApp = QLatin1String("qrc:/chat.qml");
      QQuickView view;

  #ifdef Q_OS_ANDROID
      //workaround for Android's SDP discovery bug (see QTBUG-61392)
      QString uuid;
      if (QtAndroid::androidSdkVersion() >= 23)
          uuid = QStringLiteral("c8e96402-0102-cf9c-274b-701a950fe1e8");
      else
          uuid = QStringLiteral("e8e10f95-1a70-4b27-9ccf-02010264e9c8");
  #else
      const QString uuid(QStringLiteral("e8e10f95-1a70-4b27-9ccf-02010264e9c8"));
  #endif

      view.engine()->rootContext()->setContextProperty(QStringLiteral("targetUuid"), uuid);
      view.setSource(QUrl(mainQmlApp));
      view.setResizeMode(QQuickView::SizeRootObjectToView);
      // Qt.quit() called in embedded .qml by default only emits
      // quit() signal, so do this (optionally use Qt.exit()).
      QObject::connect(view.engine(), SIGNAL(quit()), qApp, SLOT(quit()));
      view.setGeometry(QRect(100, 100, 360, 480));
      view.show();
      return application.exec();
  }