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authorWolfgang Beck <wolfgang.beck@nokia.com>2011-09-02 13:29:38 +1000
committerLincoln Ramsay <lincoln.ramsay@nokia.com>2011-10-10 09:25:25 +1000
commit6b2c7688b3f344f350125f8b9713a6a77b82c3dd (patch)
tree2eb622b436f6462b344f1b4d7fbbd39859aefa3a /doc/src/imports
parent3496318f01b63b4127c72999d634530313d60b57 (diff)
MTMW-98 QML API Version 2
Change-Id: I10c610ae22974d291fad663088c5a11449a86b05 Reviewed-on: http://codereview.qt-project.org/4107 Reviewed-by: Wolfgang Beck <wolfgang.beck@nokia.com>
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-rw-r--r--doc/src/imports/qml-sensors.qdoc99
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diff --git a/doc/src/imports/qml-qtsensors5.qdoc b/doc/src/imports/qml-qtsensors5.qdoc
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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 documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms
+** and conditions contained in a signed written agreement between you
+** and Nokia.
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+ \qmlmodule QtSensors 5
+ \title Sensors QML Plugin for Qt 5
+ \brief A QML plugin for the Qt 5 Project Sensors API.
+*/
+
+/*!
+ \page qmlqtsensors5.html
+ \title Sensors 5 QML Plugin example
+ \example qmlqtsensors5
+*/
+
+/*!
+ \page qml-sensors5.html
+ \title Sensors 5 QML Plugin
+
+ \brief A QML plugin for the Qt Project Sensors 5 API.
+
+ \section1 Overview
+
+ The identifying string for this component is \i {"Qt.QtSensors"}.
+ Use this in the QML \i {import} statement.
+
+ The QML Sensors 5 Plugin provides an easy to use interface to the Sensors API.
+ It enables us to receive sensor events and to read current values from
+ sensors.
+
+ The plugin contains many sensor types and properties to read values
+ from them. As an example consider the tilt sensor. The qmlsensors2
+ simply displays text on-screen to show the current tilt.
+
+ The QML code that reads the value is quite simple. Here we see a QML component
+ tilt declared which is an \l TiltSensor element. First
+ the sensor is started by setting the running property
+ to true. The element receives a signal when the x and y rotation changes and it
+ can be picked up by the onXRotationChanged and onYRotationChanged slot. Now the
+ xRotation and yRotation property of this element can be
+ used to extract the current tilt so that it can be used for further calulations.
+
+ \qml
+ TiltSensor {
+ id: tilt
+ radian: false
+ measureFrom: TiltSensor.FaceUp
+ running: false
+ }
+ \endqml
+
+ \qml
+ Text {
+ x:5
+ y:160
+ text: "X Rotation: " + tilt.xRotation
+ }
+ \endqml
+
+ \qml
+ Text {
+ x:5
+ y:180
+ text: "Y Rotation: " + tilt.yRotation
+ }
+
+ \endqml
+
+ \section1 QML Elements
+ \annotatedlist qml-QtSensors5
+
+ \section1 QML QtSensors Example
+ The \l {qmlqtsensors5}{qmlqtsensors5} example shows you how to use all those diferent QML elements.
+*/
+
+
diff --git a/doc/src/imports/qml-sensors.qdoc b/doc/src/imports/qml-sensors.qdoc
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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 documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms
+** and conditions contained in a signed written agreement between you
+** and Nokia.
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+ \group qml-sensors
+ \title QML Sensors API Plugin
+ QML Support for the QtMobility Project Sensors API.
+*/
+
+/*!
+ \page qml-sensors.html
+
+ \title Sensors QML Plugin
+
+ \brief A QML plugin for the QtMobility Project Sensors API.
+
+ \section1 Overview
+
+ The QML Sensors Plugin provides an easy to use interface to the Sensors API.
+ It enables us to receive sensor events and to read current values from
+ sensors.
+
+ The plugin contains many sensor types and access functions to read values
+ from them. As an example consider the orientation sensor. The orientation
+ example simply displays text on-screen to show the current orientation.
+
+ The QML code that reads the value is quite simple. Here we see a QML component
+ \i orientation declared which is an \l OrientationSensor element. First
+ the sensor is started by setting the \l {Sensor::active}{active} property
+ to \i true. The element receives a signal when the reading changes and it
+ is picked up by the \i onReadingChanged slot. Now the
+ \l {OrientationSensor::reading}{reading} property of this element can be
+ used to extract the current orientation so that it can be compared against
+ the defined values of various orientations in the \l OrientationReading
+ element.
+
+ \qml
+ OrientationSensor {
+ id: orientation
+ active: true
+
+ onReadingChanged: {
+
+ if (reading.orientation == OrientationReading.FaceUp)
+ content.state = "FaceUp";
+
+ // ... more tests for different orientations ...
+ }
+ }
+
+ \endqml
+
+ Other sensors can be treated in a similar manner. For example, the \l Compass
+ sensor could have almost identical coding
+
+ \qml
+ Compass {
+ id: compass
+ active: true
+
+ onReadingChanged: {
+ compassHeading.text = reading.azimuth;
+
+ // ...
+ }
+ }
+ \endqml
+
+ \section1 QML Elements
+ \annotatedlist qml-sensors_type
+ \annotatedlist qml-sensors_reading
+
+*/
+
+