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();
 }