main.cpp

#include <QDir>
#include <QQmlEngine>
#include <QQmlFileSelector>
#include <QQuickView>
#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    app.setOrganizationName("QtProject");
    app.setOrganizationDomain("qt-project.org");
    app.setApplicationName(QFileInfo(app.applicationFilePath()).baseName());
    QQuickView view;
    if (qgetenv("QT_QUICK_CORE_PROFILE").toInt())
    {
        QSurfaceFormat f = view.format();
        f.setProfile(QSurfaceFormat::CoreProfile);
        f.setVersion(4, 4);
        view.setFormat(f);
    }
    view.connect(view.engine(), &QQmlEngine::quit, &app, &QCoreApplication::quit);
    new QQmlFileSelector(view.engine(), &view);
    view.setSource(QUrl("qrc:///main.qml"));
    if (view.status() == QQuickView::Error)
    {
        return -1;
    }
    view.setResizeMode(QQuickView::SizeRootObjectToView);
    if (QGuiApplication::platformName() == QLatin1String("qnx") ||
          QGuiApplication::platformName() == QLatin1String("eglfs"))
    {
        view.showFullScreen();
    } else {
        view.show();
    }
    return app.exec();
}