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diff --git a/examples/deviceutilities/settingsuiapp/applicationsettings.h b/examples/deviceutilities/settingsuiapp/applicationsettings.h
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+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt for Device Creation.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef APPLICATIONSETTINGS_H
+#define APPLICATIONSETTINGS_H
+
+#include <QObject>
+#include <QQmlEngine>
+
+QT_FORWARD_DECLARE_CLASS(QScreen)
+
+class ApplicationSettings : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int width READ width CONSTANT FINAL)
+    Q_PROPERTY(int height READ height CONSTANT FINAL)
+    Q_PROPERTY(bool isHighDpi READ isHighDpi NOTIFY isHighDpiChanged FINAL)
+
+    QML_ELEMENT
+    QML_SINGLETON
+
+public:
+    explicit ApplicationSettings(QObject *parent = nullptr);
+
+    int width();
+    int height();
+    bool isHighDpi();
+
+signals:
+    void isHighDpiChanged(bool isHighDpi);
+
+private:
+    QScreen *m_screen = nullptr;
+    int m_width = 1280;
+    int m_height = 720;
+};
+
+#endif // APPLICATIONSETTINGS_H