qt-creator/share/qtcreator/qmldesigner/landingpage/content/App.qml

// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

import QtQuick 2.15

Item {
    id: root
    width: 1024
    height: 768
    visible: true

    Screen01 {
        id: mainScreen
        anchors.fill: parent
    }
}