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  <title>Qt Mobility 1.2: QRadioTuner Class Reference</title>
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    <a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
</ul>
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<h1 class="title">QRadioTuner Class Reference</h1>
<!-- $$$QRadioTuner-brief -->
<p>The QRadioTuner class provides an interface to the systems analog radio device. <a href="#details">More...</a></p>
<!-- @@@QRadioTuner -->
<pre class="cpp"> <span class="preprocessor">#include &lt;QRadioTuner&gt;</span></pre><p><b>Inherits: </b><a href="qmediaobject.html">QMediaObject</a>.</p>
<p>This class was introduced in Qt Mobility 1.0.</p>
<ul>
<li><a href="qradiotuner-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-types"></a>
<h2>Public Types</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#Band-enum">Band</a></b> { AM, FM, SW, LW, FM2 }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#Error-enum">Error</a></b> { NoError, ResourceError, OpenError, OutOfRangeError }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#State-enum">State</a></b> { ActiveState, StoppedState }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#StereoMode-enum">StereoMode</a></b> { Auto, ForceStereo, ForceMono }</td></tr>
</table>
<a name="properties"></a>
<h2>Properties</h2>
<table class="propsummary">
<tr><td class="topAlign"><ul>
<li class="fn"><b><a href="qradiotuner.html#band-prop">band</a></b> : Band</li>
<li class="fn"><b><a href="qradiotuner.html#frequency-prop">frequency</a></b> : int</li>
<li class="fn"><b><a href="qradiotuner.html#muted-prop">muted</a></b> : bool</li>
<li class="fn"><b><a href="qradiotuner.html#searching-prop">searching</a></b> : const bool</li>
<li class="fn"><b><a href="qradiotuner.html#signalStrength-prop">signalStrength</a></b> : const int</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qradiotuner.html#state-prop">state</a></b> : const State</li>
<li class="fn"><b><a href="qradiotuner.html#stereo-prop">stereo</a></b> : const bool</li>
<li class="fn"><b><a href="qradiotuner.html#stereoMode-prop">stereoMode</a></b> : StereoMode</li>
<li class="fn"><b><a href="qradiotuner.html#volume-prop">volume</a></b> : int</li>
</ul>
</td></tr>
</table>
<ul>
<li class="fn">1 property inherited from <a href="qmediaobject.html#properties">QMediaObject</a></li>
<li class="fn">1 property inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#properties">QObject</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#QRadioTuner">QRadioTuner</a></b> ( QObject * <i>parent</i> = 0, QMediaServiceProvider * <i>provider</i> = QMediaServiceProvider::defaultServiceProvider() )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#dtor.QRadioTuner">~QRadioTuner</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Band </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#band-prop">band</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Error </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#error">error</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#errorString">errorString</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequency-prop">frequency</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPair&lt;int, int&gt; </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequencyRange">frequencyRange</a></b> ( Band <i>band</i> ) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequencyStep">frequencyStep</a></b> ( Band <i>band</i> ) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#isBandSupported">isBandSupported</a></b> ( Band <i>band</i> ) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#muted-prop">isMuted</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searching-prop">isSearching</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereo-prop">isStereo</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereoMode-prop">setStereoMode</a></b> ( QRadioTuner::StereoMode <i>mode</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#signalStrength-prop">signalStrength</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> State </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#state-prop">state</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> StereoMode </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereoMode-prop">stereoMode</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volume-prop">volume</a></b> () const</td></tr>
</table>
<a name="reimplemented-public-functions"></a>
<h2>Reimplemented Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual QtMultimediaKit::AvailabilityError </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#availabilityError">availabilityError</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#isAvailable">isAvailable</a></b> () const</td></tr>
</table>
<ul>
<li class="fn">12 public functions inherited from <a href="qmediaobject.html#public-functions">QMediaObject</a></li>
<li class="fn">29 public functions inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#public-functions">QObject</a></li>
</ul>
<a name="public-slots"></a>
<h2>Public Slots</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#cancelSearch">cancelSearch</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchBackward">searchBackward</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchForward">searchForward</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#band-prop">setBand</a></b> ( Band <i>band</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequency-prop">setFrequency</a></b> ( int <i>frequency</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#muted-prop">setMuted</a></b> ( bool <i>muted</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volume-prop">setVolume</a></b> ( int <i>volume</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#start">start</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stop">stop</a></b> ()</td></tr>
</table>
<ul>
<li class="fn">1 public slot inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#public-slots">QObject</a></li>
</ul>
<a name="signals"></a>
<h2>Signals</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#bandChanged">bandChanged</a></b> ( QRadioTuner::Band <i>band</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#error-2">error</a></b> ( QRadioTuner::Error <i>error</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequencyChanged">frequencyChanged</a></b> ( int <i>frequency</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#mutedChanged">mutedChanged</a></b> ( bool <i>muted</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchingChanged">searchingChanged</a></b> ( bool <i>searching</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#signalStrengthChanged">signalStrengthChanged</a></b> ( int <i>strength</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stateChanged">stateChanged</a></b> ( QRadioTuner::State <i>state</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereoStatusChanged">stereoStatusChanged</a></b> ( bool <i>stereo</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volumeChanged">volumeChanged</a></b> ( int <i>volume</i> )</td></tr>
</table>
<ul>
<li class="fn">4 signals inherited from <a href="qmediaobject.html#signals">QMediaObject</a></li>
<li class="fn">1 signal inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#signals">QObject</a></li>
</ul>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">1 public variable inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#public-variables">QObject</a></li>
<li class="fn">4 static public members inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#static-public-members">QObject</a></li>
<li class="fn">2 protected functions inherited from <a href="qmediaobject.html#protected-functions">QMediaObject</a></li>
<li class="fn">7 protected functions inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#protected-functions">QObject</a></li>
<li class="fn">2 protected variables inherited from <a href="http://qt.nokia.com/doc/4.7/qobject.html#protected-variables">QObject</a></li>
</ul>
<a name="details"></a>
<!-- $$$QRadioTuner-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QRadioTuner class provides an interface to the systems analog radio device.</p>
<p>You can control the systems analog radio device using this interface, for example:</p>
<pre class="cpp"> radio <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioTuner</span>;
 connect(radio<span class="operator">,</span> SIGNAL(frequencyChanged(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(freqChanged(<span class="type">int</span>)));
 <span class="keyword">if</span> (radio<span class="operator">-</span><span class="operator">&gt;</span>isBandSupported(<span class="type">QRadioTuner</span><span class="operator">::</span>FM)) {
     radio<span class="operator">-</span><span class="operator">&gt;</span>setBand(<span class="type">QRadioTuner</span><span class="operator">::</span>FM);
     radio<span class="operator">-</span><span class="operator">&gt;</span>setFrequency(yourRadioStationFrequency);
     radio<span class="operator">-</span><span class="operator">&gt;</span>setVolume(<span class="number">100</span>);
     radio<span class="operator">-</span><span class="operator">&gt;</span>start();
 }</pre>
<p>The radio object will emit signals for any changes in state such as: <a href="qradiotuner.html#bandChanged">bandChanged</a>(), <a href="qradiotuner.html#frequencyChanged">frequencyChanged</a>(), <a href="qradiotuner.html#stereoStatusChanged">stereoStatusChanged</a>(), <a href="qradiotuner.html#searchingChanged">searchingChanged</a>(), <a href="qradiotuner.html#signalStrengthChanged">signalStrengthChanged</a>(), <a href="qradiotuner.html#volumeChanged">volumeChanged</a>(), <a href="qradiotuner.html#mutedChanged">mutedChanged</a>().</p>
<p>You can change between the frequency bands using <a href="qradiotuner.html#band-prop">setBand</a>() however it is recommended that you check to make sure the band is available first using <a href="qradiotuner.html#isBandSupported">isBandSupported</a>().</p>
</div>
<!-- @@@QRadioTuner -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$Band$$$AM$$$FM$$$SW$$$LW$$$FM2 -->
<h3 class="fn"><a name="Band-enum"></a>enum QRadioTuner::<span class="name">Band</span></h3>
<p>Enumerates radio frequency bands.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::AM</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">520 to 1610 kHz, 9 or 10kHz channel spacing, extended 1610 to 1710 kHz</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::FM</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">87.5 to 108.0 MHz, except Japan 76-90 MHz</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::SW</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">1.711 to 30.0 MHz, divided into 15 bands. 5kHz channel spacing</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::LW</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">148.5 to 283.5 kHz, 9kHz channel spacing (Europe, Africa, Asia)</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::FM2</tt></td><td class="topAlign"><tt>4</tt></td><td class="topAlign">range not defined, used when area supports more than one FM range.</td></tr>
</table>
<!-- @@@Band -->
<!-- $$$Error$$$NoError$$$ResourceError$$$OpenError$$$OutOfRangeError -->
<h3 class="fn"><a name="Error-enum"></a>enum QRadioTuner::<span class="name">Error</span></h3>
<p>Enumerates radio tuner error conditions.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::NoError</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">No errors have occurred.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ResourceError</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">There is no radio service available.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::OpenError</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">Unable to open radio device.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::OutOfRangeError</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">An attempt to set a frequency or band that is not supported by radio device.</td></tr>
</table>
<!-- @@@Error -->
<!-- $$$State$$$ActiveState$$$StoppedState -->
<h3 class="fn"><a name="State-enum"></a>enum QRadioTuner::<span class="name">State</span></h3>
<p>Enumerates radio tuner states.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ActiveState</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">The tuner is started and active.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::StoppedState</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">The tuner device is stopped.</td></tr>
</table>
<!-- @@@State -->
<!-- $$$StereoMode$$$ForceStereo$$$ForceMono$$$Auto -->
<h3 class="fn"><a name="StereoMode-enum"></a>enum QRadioTuner::<span class="name">StereoMode</span></h3>
<p>Enumerates radio tuner policy for receiving stereo signals.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::Auto</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">Uses the stereo mode matching the station.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ForceStereo</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">Provide stereo mode, converting if required.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ForceMono</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">Provide mono mode, converting if required.</td></tr>
</table>
<!-- @@@StereoMode -->
</div>
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$band-prop$$$band$$$setBandBand$$$bandChangedQRadioTuner::Band -->
<h3 class="fn"><a name="band-prop"></a><span class="name">band</span> : <span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span></h3>
<p>This property holds the frequency band a radio tuner is tuned to.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Band </td><td class="memItemRight bottomAlign"><span class="name"><b>band</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setBand</b></span> ( Band <i>band</i> )</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#bandChanged">bandChanged</a></b></span> ( QRadioTuner::Band <i>band</i> )</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a>.</p>
<!-- @@@band -->
<!-- $$$frequency-prop$$$frequency$$$setFrequencyint$$$frequencyChangedint -->
<h3 class="fn"><a name="frequency-prop"></a><span class="name">frequency</span> : <span class="type">int</span></h3>
<p>This property holds the frequency in Hertz a radio tuner is tuned to.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>frequency</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFrequency</b></span> ( int <i>frequency</i> )</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#frequencyChanged">frequencyChanged</a></b></span> ( int <i>frequency</i> )</td></tr>
</table>
<!-- @@@frequency -->
<!-- $$$muted-prop$$$isMuted$$$setMutedbool$$$mutedChangedbool -->
<h3 class="fn"><a name="muted-prop"></a><span class="name">muted</span> : <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner's audio output is muted.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isMuted</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setMuted</b></span> ( bool <i>muted</i> )</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#mutedChanged">mutedChanged</a></b></span> ( bool <i>muted</i> )</td></tr>
</table>
<!-- @@@muted -->
<!-- $$$searching-prop$$$isSearching$$$searchingChangedbool -->
<h3 class="fn"><a name="searching-prop"></a><span class="name">searching</span> : const <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner is currently scanning for a signal.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isSearching</b></span> () const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#searchingChanged">searchingChanged</a></b></span> ( bool <i>searching</i> )</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#searchBackward">searchBackward</a>(), and <a href="qradiotuner.html#cancelSearch">cancelSearch</a>().</p>
<!-- @@@searching -->
<!-- $$$signalStrength-prop$$$signalStrength$$$signalStrengthChangedint -->
<h3 class="fn"><a name="signalStrength-prop"></a><span class="name">signalStrength</span> : const <span class="type">int</span></h3>
<p>This property holds the strength of the current radio signal as a percentage.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>signalStrength</b></span> () const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#signalStrengthChanged">signalStrengthChanged</a></b></span> ( int <i>strength</i> )</td></tr>
</table>
<!-- @@@signalStrength -->
<!-- $$$state-prop$$$state$$$stateChangedQRadioTuner::State -->
<h3 class="fn"><a name="state-prop"></a><span class="name">state</span> : const <span class="type"><a href="qradiotuner.html#State-enum">State</a></span></h3>
<p>Return the current radio tuner state.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> State </td><td class="memItemRight bottomAlign"><span class="name"><b>state</b></span> () const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#stateChanged">stateChanged</a></b></span> ( QRadioTuner::State <i>state</i> )</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#State-enum">QRadioTuner::State</a>.</p>
<!-- @@@state -->
<!-- $$$stereo-prop$$$isStereo$$$stereoStatusChangedbool -->
<h3 class="fn"><a name="stereo-prop"></a><span class="name">stereo</span> : const <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner is receiving a stereo signal.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isStereo</b></span> () const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#stereoStatusChanged">stereoStatusChanged</a></b></span> ( bool <i>stereo</i> )</td></tr>
</table>
<!-- @@@stereo -->
<!-- $$$stereoMode-prop$$$stereoMode$$$setStereoModeQRadioTuner::StereoMode -->
<h3 class="fn"><a name="stereoMode-prop"></a><span class="name">stereoMode</span> : <span class="type"><a href="qradiotuner.html#StereoMode-enum">StereoMode</a></span></h3>
<p>This property holds the stereo mode of a radio tuner.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> StereoMode </td><td class="memItemRight bottomAlign"><span class="name"><b>stereoMode</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setStereoMode</b></span> ( QRadioTuner::StereoMode <i>mode</i> )</td></tr>
</table>
<!-- @@@stereoMode -->
<!-- $$$volume-prop$$$volume$$$setVolumeint$$$volumeChangedint -->
<h3 class="fn"><a name="volume-prop"></a><span class="name">volume</span> : <span class="type">int</span></h3>
<p>This property holds the volume of a radio tuner's audio output as a percentage.</p>
<p>This property was introduced in Qt Mobility 1.0.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>volume</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setVolume</b></span> ( int <i>volume</i> )</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qradiotuner.html#volumeChanged">volumeChanged</a></b></span> ( int <i>volume</i> )</td></tr>
</table>
<!-- @@@volume -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QRadioTuner[overload1]$$$QRadioTunerQObject*QMediaServiceProvider* -->
<h3 class="fn"><a name="QRadioTuner"></a>QRadioTuner::<span class="name">QRadioTuner</span> ( <span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span> * <i>parent</i> = 0, <span class="type"><a href="qmediaserviceprovider.html">QMediaServiceProvider</a></span> * <i>provider</i> = QMediaServiceProvider::defaultServiceProvider() )</h3>
<p>Constructs a radio tuner based on a media service allocated by a media service <i>provider</i>.</p>
<p>The <i>parent</i> is passed to <a href="qmediaobject.html">QMediaObject</a>.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@QRadioTuner -->
<!-- $$$~QRadioTuner[overload1]$$$~QRadioTuner -->
<h3 class="fn"><a name="dtor.QRadioTuner"></a>QRadioTuner::<span class="name">~QRadioTuner</span> ()</h3>
<p>Destroys a radio tuner.</p>
<!-- @@@~QRadioTuner -->
<!-- $$$availabilityError[overload1]$$$availabilityError -->
<h3 class="fn"><a name="availabilityError"></a><span class="type"><a href="qtmultimediakit.html#AvailabilityError-enum">QtMultimediaKit::AvailabilityError</a></span> QRadioTuner::<span class="name">availabilityError</span> () const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qmediaobject.html#availabilityError">QMediaObject::availabilityError</a>().</p>
<p>Returns the availability error state.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@availabilityError -->
<!-- $$$bandChanged[overload1]$$$bandChangedQRadioTuner::Band -->
<h3 class="fn"><a name="bandChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">bandChanged</span> ( <span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i> )<tt> [signal]</tt></h3>
<p>Signals a radio tuner's <i>band</i> has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@bandChanged -->
<!-- $$$cancelSearch[overload1]$$$cancelSearch -->
<h3 class="fn"><a name="cancelSearch"></a><span class="type">void</span> QRadioTuner::<span class="name">cancelSearch</span> ()<tt> [slot]</tt></h3>
<p>Stops scanning for a signal.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#searchBackward">searchBackward</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@cancelSearch -->
<!-- $$$error[overload1]$$$error -->
<h3 class="fn"><a name="error"></a><span class="type"><a href="qradiotuner.html#Error-enum">Error</a></span> QRadioTuner::<span class="name">error</span> () const</h3>
<p>Returns the error state of a radio tuner.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<p><b>See also </b><a href="qradiotuner.html#errorString">errorString</a>().</p>
<!-- @@@error -->
<!-- $$$error$$$errorQRadioTuner::Error -->
<h3 class="fn"><a name="error-2"></a><span class="type">void</span> QRadioTuner::<span class="name">error</span> ( <span class="type"><a href="qradiotuner.html#Error-enum">QRadioTuner::Error</a></span> <i>error</i> )<tt> [signal]</tt></h3>
<p>Signals that an <i>error</i> occurred.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@error -->
<!-- $$$errorString[overload1]$$$errorString -->
<h3 class="fn"><a name="errorString"></a><span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> QRadioTuner::<span class="name">errorString</span> () const</h3>
<p>Returns a description of a radio tuner's error state.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<p><b>See also </b><a href="qradiotuner.html#error">error</a>().</p>
<!-- @@@errorString -->
<!-- $$$frequencyChanged[overload1]$$$frequencyChangedint -->
<h3 class="fn"><a name="frequencyChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">frequencyChanged</span> ( <span class="type">int</span> <i>frequency</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>frequency</i> a radio tuner is tuned to has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@frequencyChanged -->
<!-- $$$frequencyRange[overload1]$$$frequencyRangeBand -->
<h3 class="fn"><a name="frequencyRange"></a><span class="type"><a href="http://qt.nokia.com/doc/4.7/qpair.html">QPair</a></span>&lt;<span class="type">int</span>, <span class="type">int</span>&gt; QRadioTuner::<span class="name">frequencyRange</span> ( <span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span> <i>band</i> ) const</h3>
<p>Returns a frequency <i>band</i>'s minimum and maximum frequency.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@frequencyRange -->
<!-- $$$frequencyStep[overload1]$$$frequencyStepBand -->
<h3 class="fn"><a name="frequencyStep"></a><span class="type">int</span> QRadioTuner::<span class="name">frequencyStep</span> ( <span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span> <i>band</i> ) const</h3>
<p>Returns the number of Hertz to increment the frequency by when stepping through frequencies within a given <i>band</i>.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@frequencyStep -->
<!-- $$$isAvailable[overload1]$$$isAvailable -->
<h3 class="fn"><a name="isAvailable"></a><span class="type">bool</span> QRadioTuner::<span class="name">isAvailable</span> () const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qmediaobject.html#isAvailable">QMediaObject::isAvailable</a>().</p>
<p>Returns true if the radio tuner service is ready to use.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@isAvailable -->
<!-- $$$isBandSupported[overload1]$$$isBandSupportedBand -->
<h3 class="fn"><a name="isBandSupported"></a><span class="type">bool</span> QRadioTuner::<span class="name">isBandSupported</span> ( <span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span> <i>band</i> ) const</h3>
<p>Identifies if a frequency <i>band</i> is supported by a radio tuner.</p>
<p>Returns true if the band is supported, and false if it is not.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@isBandSupported -->
<!-- $$$mutedChanged[overload1]$$$mutedChangedbool -->
<h3 class="fn"><a name="mutedChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">mutedChanged</span> ( <span class="type">bool</span> <i>muted</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>muted</i> state of a radio tuner's audio output has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@mutedChanged -->
<!-- $$$searchBackward[overload1]$$$searchBackward -->
<h3 class="fn"><a name="searchBackward"></a><span class="type">void</span> QRadioTuner::<span class="name">searchBackward</span> ()<tt> [slot]</tt></h3>
<p>Starts a backwards scan for a signal, starting from the current <a href="qradiotuner.html#frequency-prop">frequency</a>.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#cancelSearch">cancelSearch</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@searchBackward -->
<!-- $$$searchForward[overload1]$$$searchForward -->
<h3 class="fn"><a name="searchForward"></a><span class="type">void</span> QRadioTuner::<span class="name">searchForward</span> ()<tt> [slot]</tt></h3>
<p>Starts a forward scan for a signal, starting from the current <a href="qradiotuner.html#frequency-prop">frequency</a>.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<p><b>See also </b><a href="qradiotuner.html#searchBackward">searchBackward</a>(), <a href="qradiotuner.html#cancelSearch">cancelSearch</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@searchForward -->
<!-- $$$searchingChanged[overload1]$$$searchingChangedbool -->
<h3 class="fn"><a name="searchingChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">searchingChanged</span> ( <span class="type">bool</span> <i>searching</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>searching</i> state of a radio tuner has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@searchingChanged -->
<!-- $$$signalStrengthChanged[overload1]$$$signalStrengthChangedint -->
<h3 class="fn"><a name="signalStrengthChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">signalStrengthChanged</span> ( <span class="type">int</span> <i>strength</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>strength</i> of the signal received by a radio tuner has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@signalStrengthChanged -->
<!-- $$$start[overload1]$$$start -->
<h3 class="fn"><a name="start"></a><span class="type">void</span> QRadioTuner::<span class="name">start</span> ()<tt> [slot]</tt></h3>
<p>Activate the radio device.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@start -->
<!-- $$$stateChanged[overload1]$$$stateChangedQRadioTuner::State -->
<h3 class="fn"><a name="stateChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">stateChanged</span> ( <span class="type"><a href="qradiotuner.html#State-enum">QRadioTuner::State</a></span> <i>state</i> )<tt> [signal]</tt></h3>
<p>This signal is emitted when the state changes to <i>state</i>.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@stateChanged -->
<!-- $$$stereoStatusChanged[overload1]$$$stereoStatusChangedbool -->
<h3 class="fn"><a name="stereoStatusChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">stereoStatusChanged</span> ( <span class="type">bool</span> <i>stereo</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>stereo</i> state of a radio tuner has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@stereoStatusChanged -->
<!-- $$$stop[overload1]$$$stop -->
<h3 class="fn"><a name="stop"></a><span class="type">void</span> QRadioTuner::<span class="name">stop</span> ()<tt> [slot]</tt></h3>
<p>Deactivate the radio device.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@stop -->
<!-- $$$volumeChanged[overload1]$$$volumeChangedint -->
<h3 class="fn"><a name="volumeChanged"></a><span class="type">void</span> QRadioTuner::<span class="name">volumeChanged</span> ( <span class="type">int</span> <i>volume</i> )<tt> [signal]</tt></h3>
<p>Signals that the <i>volume</i> of a radio tuner's audio output has changed.</p>
<p>This function was introduced in Qt Mobility 1.0.</p>
<!-- @@@volumeChanged -->
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