<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable=no"><meta name="description" content="API docs for the TextInputFormatFunction property from the services library, for the Dart programming language."><title>TextInputFormatFunction typedef - services library - Dart API</title><!-- required because all the links are pseudo-absolute --><base href=".."><link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500,400i,400,300|Source+Sans+Pro:400,300,700" rel="stylesheet"><link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"><link rel="stylesheet" href="static-assets/github.css"><link rel="stylesheet" href="static-assets/styles.css"><link rel="icon" href="static-assets/favicon.png"></head><body><div id="overlay-under-drawer"></div><header id="title"><button id="sidenav-left-toggle" 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href="services/services-library.html">services</a></li><li class="self-crumb">TextInputFormatFunction typedef</li></ol><h5>services library</h5><ol><li class="section-title"><a href="services/services-library.html#classes">Classes</a></li><li><a href="services/AndroidMotionEvent-class.html">AndroidMotionEvent</a></li><li><a href="services/AndroidPointerCoords-class.html">AndroidPointerCoords</a></li><li><a href="services/AndroidPointerProperties-class.html">AndroidPointerProperties</a></li><li><a href="services/AndroidViewController-class.html">AndroidViewController</a></li><li><a href="services/ApplicationSwitcherDescription-class.html">ApplicationSwitcherDescription</a></li><li><a href="services/AssetBundle-class.html">AssetBundle</a></li><li><a href="services/BasicMessageChannel-class.html">BasicMessageChannel</a></li><li><a href="services/BinaryCodec-class.html">BinaryCodec</a></li><li><a class="deprecated" href="services/BinaryMessages-class.html">BinaryMessages</a></li><li><a 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href="services/TextInputAction-class.html">TextInputAction</a></li><li class="section-title"><a href="services/services-library.html#typedefs">Typedefs</a></li><li><a href="services/MessageHandler.html">MessageHandler</a></li><li><a href="services/PlatformViewCreatedCallback.html">PlatformViewCreatedCallback</a></li><li><a href="services/TextInputFormatFunction.html">TextInputFormatFunction</a></li><li class="section-title"><a href="services/services-library.html#exceptions">Exceptions</a></li><li><a href="services/MissingPluginException-class.html">MissingPluginException</a></li><li><a href="services/PlatformException-class.html">PlatformException</a></li></ol></div><!--/.sidebar-offcanvas-left--><div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content"><div><h1><span class="kind-typedef">TextInputFormatFunction</span> typedef </h1></div><section class="multi-line-signature"><span class="returntype"><a href="services/TextEditingValue-class.html">TextEditingValue</a></span><span class="name ">TextInputFormatFunction</span>(<wbr><span class="parameter" id="TextInputFormatFunction-param-oldValue"><span class="type-annotation"><a href="services/TextEditingValue-class.html">TextEditingValue</a></span> <span class="parameter-name">oldValue</span>, </span> <span class="parameter" id="TextInputFormatFunction-param-newValue"><span class="type-annotation"><a href="services/TextEditingValue-class.html">TextEditingValue</a></span> <span class="parameter-name">newValue</span></span>)</section><section class="desc markdown"><p>Function signature expected for creating custom <a href="services/TextInputFormatter-class.html">TextInputFormatter</a>shorthands via <a href="services/TextInputFormatter/withFunction.html">TextInputFormatter.withFunction</a>;</p></section><section class="summary source-code" id="source"><h2><span>Implementation</span></h2><pre class="language-dart"><code class="language-dart">typedef TextInputFormatFunction = TextEditingValue Function(TextEditingValue oldValue,TextEditingValue newValue,);</code></pre></section></div> <!-- /.main-content --><div id="dartdoc-sidebar-right" class="col-xs-6 col-sm-6 col-md-2 sidebar sidebar-offcanvas-right"></div><!--/.sidebar-offcanvas--></main><footer><span class="no-break">flutter 0.0.0-unknown</span></footer><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script><script src="static-assets/typeahead.bundle.min.js"></script><script src="static-assets/highlight.pack.js"></script><script src="static-assets/URI.js"></script><script src="static-assets/script.js"></script></body></html>
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