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diff --git a/examples/qt3d/qardboard/abstractdeviceorientation.h b/examples/qt3d/qardboard/abstractdeviceorientation.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ABSTRACT_DEVICEORIENTATION_H
+#define ABSTRACT_DEVICEORIENTATION_H
+
+#include <QObject>
+
+class AbstractDeviceOrientation : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(qreal roll READ roll WRITE setRoll NOTIFY rollChanged)
+    Q_PROPERTY(qreal pitch READ pitch WRITE setPitch NOTIFY pitchChanged)
+    Q_PROPERTY(qreal yaw READ yaw WRITE setYaw NOTIFY yawChanged)
+    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
+
+public:
+    AbstractDeviceOrientation(QObject* parent = 0);
+
+    qreal roll() const { return m_roll; }
+    qreal pitch() const { return m_pitch; }
+    qreal yaw() const { return m_yaw; }
+
+    bool enabled() const;
+
+signals:
+    void rollChanged(qreal roll);
+    void pitchChanged(qreal pitch);
+    void yawChanged(qreal yaw);
+    void enabledChanged(bool);
+
+public slots:
+    virtual void setRoll(qreal v);
+    virtual void setPitch(qreal v);
+    virtual void setYaw(qreal v);
+    virtual void setEnabled(bool v);
+
+    virtual bool start() = 0;            //!< Called to start the sensor services.
+    virtual void stop();                 //!< Called to stop updates from the #CompassClino.
+
+protected:
+    qreal m_roll;
+    qreal m_pitch;
+    qreal m_yaw;
+    bool m_enabled;
+};
+
+
+#endif // ABSTRACT_DEVICEORIENTATION_H