qt-creator/src/plugins/qmlprojectmanager/wizards/templates/cpp/main.cpp

#include <QtGui/QApplication>
#include "qmlapplicationview.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QmlApplicationView qmlApp(QLatin1String("app.qml")); // MAINQML
    QStringList importPaths; // IMPORTPATHSLIST
    qmlApp.setImportPathList(importPaths); // SETIMPORTPATHLIST
    qmlApp.setOrientation(QmlApplicationView::Auto); // ORIENTATION
    qmlApp.setLoadDummyData(false); // LOADDUMMYDATA

#ifdef Q_OS_SYMBIAN
    qmlApp.showFullScreen();
#else
    qmlApp.setGeometry(QRect(100, 100, 360, 640));
    qmlApp.show();
#endif
    return app.exec();
}