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diff --git a/demos/mobile/qtbubblelevel/qml/Tube.qml b/demos/mobile/qtbubblelevel/qml/Tube.qml
new file mode 100644
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+++ b/demos/mobile/qtbubblelevel/qml/Tube.qml
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.0
+
+//! [0]
+Item {
+    id: tube
+
+    property real deg
+
+    Image {
+        id: bubble
+
+        property real center: tube.width / 2
+        property real bubbleCenter: bubble.width / 2
+
+        function calX() {
+            var newX = center + tube.deg / -20 * center
+
+            if((newX - bubbleCenter) < 0) {
+                return 0
+            }
+            else if((newX + bubbleCenter) > tube.width) {
+                return tube.width - 2 * bubbleCenter
+            }
+
+            return newX - bubbleCenter;
+        }
+
+        x: calX()
+        width: 0.16129032 * parent.width; height: 0.66666667 * parent.height
+        source: "images/bubble.png"
+        smooth: true
+    }
+
+    Image {
+        anchors.horizontalCenter: parent.horizontalCenter
+        width: 0.36451613 * parent.width; height: 0.66666667 * parent.height
+        source: "images/scale.png"
+    }
+
+    Image {
+        width: parent.width; height:  0.32 * parent.height
+        opacity: 0.8
+        source: "images/reflection.png"
+    }
+}
+//! [0]