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qt-mobility-doc-1.2.0-13.mga5.noarch.rpm

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    <a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<li>System Information</li>
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<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#namespace">Namespace</a></li>
<li class="level1"><a href="#system-information">System Information</a></li>
<li class="level1"><a href="#overview">Overview</a></li>
<li class="level2"><a href="#information-categories">Information Categories</a></li>
<li class="level3"><a href="#version">Version</a></li>
<li class="level3"><a href="#features-hardware">Features (hardware)</a></li>
<li class="level3"><a href="#network">Network</a></li>
<li class="level3"><a href="#display-information">Display Information</a></li>
<li class="level3"><a href="#storage-information">Storage Information</a></li>
<li class="level3"><a href="#device-information">Device Information</a></li>
<li class="level3"><a href="#screensaver">Screensaver</a></li>
<li class="level1"><a href="#building-and-compiling">Building and compiling</a></li>
<li class="level1"><a href="#main-classes">Main Classes</a></li>
<li class="level1"><a href="#qml-elements">QML Elements</a></li>
<li class="level1"><a href="#examples">Examples</a></li>
<li class="level2"><a href="#system-information-example">System Information Example</a></li>
<li class="level2"><a href="#system-information-qml-example">System Information QML Example</a></li>
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<h1 class="title">System Information</h1>
<span class="subtitle"></span>
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<div class="descr"> <a name="details"></a>
<a name="namespace"></a>
<h2>Namespace</h2>
<p>The QtMobility APIs are placed into the <i>QtMobility</i> namespace. This is done to facilitate the future migration of QtMobility APIs into Qt. See the <a href="quickstart.html">Quickstart guide</a> for an example on how the namespace impacts on application development.</p>
<table class="annotated">
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemdeviceinfo-profiledetails.html">QSystemDeviceInfo::ProfileDetails</a></p></td><td class="tblDescr"><p>Access to details of the currently active phone profile</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemalignedtimer.html">QSystemAlignedTimer</a></p></td><td class="tblDescr"><p>Service for applications to synchronize their activity</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystembatteryinfo.html">QSystemBatteryInfo</a></p></td><td class="tblDescr"><p>Access to battery and power information from the system</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemdeviceinfo.html">QSystemDeviceInfo</a></p></td><td class="tblDescr"><p>Access to device information from the system</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemdisplayinfo.html">QSystemDisplayInfo</a></p></td><td class="tblDescr"><p>Access to display information from the system</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsysteminfo.html">QSystemInfo</a></p></td><td class="tblDescr"><p>Access to various general information from the system</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemnetworkinfo.html">QSystemNetworkInfo</a></p></td><td class="tblDescr"><p>Access to various networking status and signals</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemscreensaver.html">QSystemScreenSaver</a></p></td><td class="tblDescr"><p>Access to screen saver and blanking</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemstorageinfo.html">QSystemStorageInfo</a></p></td><td class="tblDescr"><p>Access to disk storage information from the system</p></td></tr>
</table>
<a name="system-information"></a>
<h2>System Information</h2>
<p>The System Information API provides a set of APIs to discover system related information and capabilities.</p>
<a name="overview"></a>
<h2>Overview</h2>
<p>The System Information API returns the system information related to a number of categories.</p>
<a name="information-categories"></a>
<h3>Information Categories</h3>
<a name="version"></a>
<h4>Version</h4>
<p>Contains version information for a range of supporting software on the device. For example, from the Operating System and Firmware to the version of WebKit, Qt and the Service Framework.</p>
<a name="features-hardware"></a>
<h4>Features (hardware)</h4>
<p>This lists the supported hardware on the device. Features include items such as the camera, bluetooth, GPS, FM radio etc.</p>
<a name="network"></a>
<h4>Network</h4>
<p>The state of the network connection, and also the type of network e.g&#x2e; gsm, cdma, ethernet etc.</p>
<a name="display-information"></a>
<h4>Display Information</h4>
<p>This provides height, width, contrast, and other information of the display.</p>
<a name="storage-information"></a>
<h4>Storage Information</h4>
<p>The presence of various storage devices. Including: none, internal, removable, cdrom.</p>
<a name="device-information"></a>
<h4>Device Information</h4>
<ul>
<li>Battery Status</li>
<li>Power State</li>
<li>Profile (silent, vibrating, normal etc)</li>
<li>Sim</li>
<li>Input Method (key/buttons, keypad, qwerty, single touch screen, multitouch etc)</li>
</ul>
<a name="screensaver"></a>
<h4>Screensaver</h4>
<p>This provides the access to the information of the screen saver.</p>
<a name="building-and-compiling"></a>
<h2>Building and compiling</h2>
<p>To build the library, run <tt>configure</tt> and <tt>make</tt>.</p>
<p>Linux supports a NetworkManager based backend and generic backend using <a href="http://qt.nokia.com/doc/4.7/qnetworkinterface.html">QNetworkInterface</a> only. By default the generic backend is selected. If the NetworkManager backend is required run qmake as follows:</p>
<pre class="cpp"> qmake BACKEND<span class="operator">=</span>NetworkManager</pre>
<p>The backend selection is expected to disappear once the API is integrated into Qt.</p>
<a name="main-classes"></a>
<h2>Main Classes</h2>
<table class="annotated">
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemdeviceinfo-profiledetails.html">QSystemDeviceInfo::ProfileDetails</a></p></td><td class="tblDescr"><p>Access to details of the currently active phone profile</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemalignedtimer.html">QSystemAlignedTimer</a></p></td><td class="tblDescr"><p>Service for applications to synchronize their activity</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystembatteryinfo.html">QSystemBatteryInfo</a></p></td><td class="tblDescr"><p>Access to battery and power information from the system</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemdeviceinfo.html">QSystemDeviceInfo</a></p></td><td class="tblDescr"><p>Access to device information from the system</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemdisplayinfo.html">QSystemDisplayInfo</a></p></td><td class="tblDescr"><p>Access to display information from the system</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsysteminfo.html">QSystemInfo</a></p></td><td class="tblDescr"><p>Access to various general information from the system</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemnetworkinfo.html">QSystemNetworkInfo</a></p></td><td class="tblDescr"><p>Access to various networking status and signals</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemscreensaver.html">QSystemScreenSaver</a></p></td><td class="tblDescr"><p>Access to screen saver and blanking</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemstorageinfo.html">QSystemStorageInfo</a></p></td><td class="tblDescr"><p>Access to disk storage information from the system</p></td></tr>
</table>
<a name="qml-elements"></a>
<h2>QML Elements</h2>
<p>The Qt SystemInfo offers access to system information through declarative UI by providing systeminfo elements. Detailed information can be found at QML SystemInfo QML Plugin.</p>
<table class="annotated">
<tr class="odd topAlign"><td class="tblName"><p><a href="qml-alignedtimer.html">QML AlignedTimer Element</a></p></td><td class="tblDescr"><p>The AlignedTimer element allows applications to synchronize activity, such as network access, like checking for updates.</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qml-batteryinfo.html">QML BatteryInfo Element</a></p></td><td class="tblDescr"><p>The BatteryInfo element allows you to receive battery change notifications from the device.</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qml-deviceinfo.html">QML DeviceInfo Element</a></p></td><td class="tblDescr"><p>The DeviceInfo element allows you to access information anbout the device and receive notifications from the device.</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qml-displayinfo.html">QML DisplayInfo Element</a></p></td><td class="tblDescr"><p>The DisplayInfo element allows you to get information and receive notifications about the diplsay.</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qml-generalinfo.html">QML GeneralInfo Element</a></p></td><td class="tblDescr"><p>The GeneralInfo element allows you access to general system information and to receive notifications from the device.</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qml-networkinfo.html">QML NetworkInfo Element</a></p></td><td class="tblDescr"><p>The NetworkInfo element allows you to get information and receive notifications from the network.</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qml-screensaver.html">QML ScreenSaver Element</a></p></td><td class="tblDescr"><p>The ScreenSaver element allows you to temporarily suppress and delay the screensaver from turning on or blanking the screen.</p></td></tr>
</table>
<a name="examples"></a>
<h2>Examples</h2>
<a name="system-information-example"></a>
<h3>System Information Example</h3>
<p>The <a href="sysinfo.html">System Information</a> example demonstrates how an application can very easily access the system information of the device.</p>
<a name="system-information-qml-example"></a>
<h3>System Information QML Example</h3>
<p>The System Info QML example demonstrates how an application can very easily access the system information of the device.</p>
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