<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qsensorplugin.cpp --> <title>QSensorChangesInterface Class | Qt Sensors 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtsensors-index.html">Qt Sensors</a></td><td ><a href="qtsensors-module.html">C++ Classes</a></td><td >QSensorChangesInterface</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QSensorChangesInterface Class</h1> <!-- $$$QSensorChangesInterface-brief --> <p>The <a href="qsensorchangesinterface.html">QSensorChangesInterface</a> class is the pure virtual interface to sensor plugins. <a href="#details">More...</a></p> <!-- @@@QSensorChangesInterface --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QSensorChangesInterface></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += sensors</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.1</td></tr></table></div><ul> <li><a href="qsensorchangesinterface-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qsensorchangesinterface.html#sensorsChanged">sensorsChanged</a></b>() = 0</td></tr> </table></div> <a name="details"></a> <!-- $$$QSensorChangesInterface-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qsensorchangesinterface.html">QSensorChangesInterface</a> class is the pure virtual interface to sensor plugins.</p> <p>The <a href="qsensorchangesinterface.html">QSensorChangesInterface</a> class is implemented in sensor plugins to receive notification that registered sensor backends have changed.</p> </div> <p><b>See also </b><a href="creating-a-sensor-plugin.html">Creating a sensor plugin</a>.</p> <!-- @@@QSensorChangesInterface --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$sensorsChanged[overload1]$$$sensorsChanged --> <h3 class="fn" id="sensorsChanged"><a name="sensorsChanged"></a><code>[pure virtual] </code><span class="type">void</span> QSensorChangesInterface::<span class="name">sensorsChanged</span>()</h3> <p>This function is called when the registered backends have changed. Any backends that depend on the presence of other sensors should be registered or unregistered in here.</p> <p><b>See also </b><a href="creating-a-sensor-plugin.html">Creating a sensor plugin</a>.</p> <!-- @@@sensorsChanged --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>