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<h1 class="title">Qt Sensors - SensorGesture QML Type example</h1>
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<h2 id="overview">Overview</h2>
<p>To write a QML application that will use the gesture plugin, following steps are needed:</p>
<p>Import the <a href="qtsensors-module.html">QtSensors</a> 5.x module:</p>
<pre class="qml">
import QtSensors 5.0
</pre>
<p>Add the <a href="qml-qtsensors-sensorgesture.html">SensorGesture</a> QML type into your qml file.</p>
<pre class="qml">
<span class="type"><a href="qml-qtsensors-sensorgesture.html">SensorGesture</a></span> {
<span class="name">id</span>: <span class="name">sensorGesture</span>
<span class="name">enabled</span>: <span class="number">false</span>
<span class="name">onDetected</span>: {
<span class="keyword">if</span> (<span class="name">gesture</span> <span class="operator">!==</span> <span class="name">oldGesture</span>)
<span class="name">count</span> <span class="operator">=</span> <span class="number">0</span>;
<span class="name">valueText</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">gesture</span> <span class="operator">+</span> <span class="string">" "</span> <span class="operator">+</span> <span class="name">count</span>;
<span class="name">oldGesture</span> <span class="operator">=</span> <span class="name">gesture</span>;
count++;
}
<span class="name">onEnabledChanged</span>: {
<span class="name">valueText</span>.<span class="name">text</span> <span class="operator">=</span> <span class="string">""</span>
}
}
</pre>
<p>Each <a href="qml-qtsensors-sensorgesture.html">SensorGesture</a> QML type contains a property called gestures. This example uses an alias <code>gestureId</code> for this property.</p>
<pre class="qml">
property <span class="type">alias</span> <span class="name">gestureId</span>: <span class="name">sensorGesture</span>.<span class="name">gestures</span>
</pre>
<p>Then, the gesture or gestures to use can be specified using the alias:</p>
<pre class="qml">
<span class="name">onSelectedGestureChanged</span>: {
<span class="name">gesture</span>.<span class="name">enabled</span> <span class="operator">=</span> <span class="number">false</span>;
<span class="name">gesture</span>.<span class="name">gestureId</span> <span class="operator">=</span> <span class="name">gestureList</span>.<span class="name">selectedGesture</span>;
...
}
</pre>
<p>A list of all available gestures is accessible through the <code>availableGestures</code> property:</p>
<pre class="qml">
<span class="type">ListView</span> {
<span class="name">id</span>: <span class="name">gestureList</span>
<span class="name">model</span>: <span class="name">gesture</span>.<span class="name">availableGestures</span>
...
}
</pre>
<p>Files:</p>
<ul>
<li><a href="qtsensors-qmlsensorgestures-button-qml.html">qmlsensorgestures/Button.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-gesturelist-qml.html">qmlsensorgestures/GestureList.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-gestureview-qml.html">qmlsensorgestures/GestureView.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-gesturesview-qml.html">qmlsensorgestures/GesturesView.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-makefile-qml.html">qmlsensorgestures/Makefile.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-qmlsensorgestures-qml.html">qmlsensorgestures/qmlsensorgestures.qml</a></li>
<li><a href="qtsensors-qmlsensorgestures-plugin-qcountergestureplugin-cpp.html">qmlsensorgestures/plugin/qcountergestureplugin.cpp</a></li>
<li><a href="qtsensors-qmlsensorgestures-plugin-qcountergestureplugin-h.html">qmlsensorgestures/plugin/qcountergestureplugin.h</a></li>
<li><a href="qtsensors-qmlsensorgestures-plugin-qcounterrecognizer-cpp.html">qmlsensorgestures/plugin/qcounterrecognizer.cpp</a></li>
<li><a href="qtsensors-qmlsensorgestures-plugin-qcounterrecognizer-h.html">qmlsensorgestures/plugin/qcounterrecognizer.h</a></li>
<li><a href="qtsensors-qmlsensorgestures-main-cpp.html">qmlsensorgestures/main.cpp</a></li>
<li><a href="qtsensors-qmlsensorgestures-qml-pro.html">qmlsensorgestures/qml.pro</a></li>
<li><a href="qtsensors-qmlsensorgestures-qml-qrc.html">qmlsensorgestures/qml.qrc</a></li>
<li><a href="qtsensors-qmlsensorgestures-qmlsensorgestures-pro.html">qmlsensorgestures/qmlsensorgestures.pro</a></li>
<li><a href="qtsensors-qmlsensorgestures-plugin-plugin-pro.html">qmlsensorgestures/plugin/plugin.pro</a></li>
</ul>
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<p><b>See also </b><a href="qtsensors-shakeit-example.html">Qt Sensors - ShakeIt QML Example</a> and <a href="sensorgesture-plugins-topics.html#qt-sensor-gestures">Qt Sensor Gestures</a>.</p>
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