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<td >Qt 5.12</td><td ><a href="qtnfc-index.html">Qt NFC</a></td><td ><a href="qtnfc-qmlmodule.html">QML Types</a></td><td >NdefFilter QML Type</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtnfc-index.html">Qt 5.12.6 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">NdefFilter QML Type</h1>
<span class="subtitle"></span>
<!-- $$$NdefFilter-brief -->
<p>Represents a filtering constraint for NDEF message records. <a href="#details">More...</a></p>
<!-- @@@NdefFilter -->
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<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtNfc 5.12</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.2</td></tr></table></div><ul>
<li><a href="qml-qtnfc-ndeffilter-members.html">List of all members, including inherited members</a></li>
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<a name="properties"></a>
<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtnfc-ndeffilter.html#maximum-prop">maximum</a></b></b> : int</li>
<li class="fn"><b><b><a href="qml-qtnfc-ndeffilter.html#minimum-prop">minimum</a></b></b> : int</li>
<li class="fn"><b><b><a href="qml-qtnfc-ndeffilter.html#type-prop">type</a></b></b> : string</li>
<li class="fn"><b><b><a href="qml-qtnfc-ndeffilter.html#typeNameFormat-prop">typeNameFormat</a></b></b> : QQmlNdefRecord::TypeNameFormat</li>
</ul>
<!-- $$$NdefFilter-description -->
<a name="details"></a>
<h2 id="details">Detailed Description</h2>
<p>The <a href="qml-qtnfc-ndeffilter.html">NdefFilter</a> type is used with the <a href="qml-qtnfc-nearfield.html">NearField</a> type to read NDEF messages from NFC Forum tags that match a given structure.</p>
<pre class="cpp">
NearField {
filter: <span class="operator">[</span>
NdefFilter {
type: <span class="string">"urn:nfc:wkt:U"</span>
minimum: <span class="number">1</span>
maximum: <span class="number">1</span>
}
<span class="operator">]</span>
}
</pre>
<p><b>See also </b><a href="qml-qtnfc-nearfield.html">NearField</a> and <a href="qndeffilter.html">QNdefFilter</a>.</p>
<!-- @@@NdefFilter -->
<h2>Property Documentation</h2>
<!-- $$$maximum -->
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<a name="maximum-prop"></a><span class="name">maximum</span> : <span class="type">int</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the maximum number of records of the given type that must be in the NDEF message for it match.</p>
<p>The default maximum is UINT_MAX.</p>
<p><b>See also </b><a href="qml-qtnfc-ndeffilter.html#minimum-prop">minimum</a>.</p>
</div></div><!-- @@@maximum -->
<br/>
<!-- $$$minimum -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="minimum-prop">
<td class="tblQmlPropNode"><p>
<a name="minimum-prop"></a><span class="name">minimum</span> : <span class="type">int</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the minimum number of records of the given type that must be in the NDEF message for it match.</p>
<p>The default minimum is 1.</p>
<p><b>See also </b><a href="qml-qtnfc-ndeffilter.html#maximum-prop">maximum</a>.</p>
</div></div><!-- @@@minimum -->
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<!-- $$$type -->
<div class="qmlitem"><div class="qmlproto">
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<tr valign="top" class="odd" id="type-prop">
<td class="tblQmlPropNode"><p>
<a name="type-prop"></a><span class="name">type</span> : <span class="type">string</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the NDEF record type that the filter matches. This property must be set to the fully qualified record type, i.e. including the NIS and NSS prefixes. For example set to <code>urn:nfc:wkt:U</code> to match NFC RTD-URI records.</p>
</div></div><!-- @@@type -->
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<!-- $$$typeNameFormat -->
<div class="qmlitem"><div class="qmlproto">
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<tr valign="top" class="odd" id="typeNameFormat-prop">
<td class="tblQmlPropNode"><p>
<a name="typeNameFormat-prop"></a><span class="name">typeNameFormat</span> : <span class="type">QQmlNdefRecord::TypeNameFormat</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the NDEF record name format type <a href="qqmlndefrecord.html#TypeNameFormat-enum">QQmlNdefRecord::TypeNameFormat</a>.</p>
</div></div><!-- @@@typeNameFormat -->
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