<!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 createState method from the TextFormField class, for the Dart programming language."><title>createState method - TextFormField class - material 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" type="button"> </button><ol class="breadcrumbs gt-separated dark hidden-xs"><li><a href="index.html">flutter</a></li><li><a href="material/material-library.html">material</a></li><li><a href="material/TextFormField-class.html">TextFormField</a></li><li class="self-crumb">createState method</li></ol><div class="self-name">createState</div><form class="search navbar-right" role="search"><input type="text" id="search-box" autocomplete="off" disabled class="form-control typeahead" placeholder="Loading search..."></form></header><main><div id="dartdoc-sidebar-left" class="col-xs-6 col-sm-3 col-md-2 sidebar sidebar-offcanvas-left"><header id="header-search-sidebar" class="hidden-l"><form class="search-sidebar" role="search"><input type="text" id="search-sidebar" autocomplete="off" disabled class="form-control typeahead" placeholder="Loading search..."></form></header><ol class="breadcrumbs gt-separated dark hidden-l" id="sidebar-nav"><li><a href="index.html">flutter</a></li><li><a href="material/material-library.html">material</a></li><li><a href="material/TextFormField-class.html">TextFormField</a></li><li class="self-crumb">createState method</li></ol><h5>TextFormField class</h5><ol><li class="section-title"><a href="material/TextFormField-class.html#constructors">Constructors</a></li><li><a href="material/TextFormField/TextFormField.html">TextFormField</a></li><li class="section-title"><a href="material/TextFormField-class.html#instance-properties">Properties</a></li><li><a href="material/TextFormField/controller.html">controller</a></li><li class="inherited"><a href="widgets/FormField/autovalidate.html">autovalidate</a></li><li class="inherited"><a href="widgets/FormField/builder.html">builder</a></li><li class="inherited"><a href="widgets/FormField/enabled.html">enabled</a></li><li class="inherited"><a href="dart-core/Object/hashCode.html">hashCode</a></li><li class="inherited"><a href="widgets/FormField/initialValue.html">initialValue</a></li><li class="inherited"><a href="widgets/Widget/key.html">key</a></li><li class="inherited"><a href="widgets/FormField/onSaved.html">onSaved</a></li><li class="inherited"><a href="dart-core/Object/runtimeType.html">runtimeType</a></li><li class="inherited"><a href="widgets/FormField/validator.html">validator</a></li><li class="section-title"><a href="material/TextFormField-class.html#instance-methods">Methods</a></li><li><a href="material/TextFormField/createState.html">createState</a></li><li class="inherited"><a href="widgets/StatefulWidget/createElement.html">createElement</a></li><li class="inherited"><a href="foundation/DiagnosticableTree/debugDescribeChildren.html">debugDescribeChildren</a></li><li class="inherited"><a href="widgets/Widget/debugFillProperties.html">debugFillProperties</a></li><li class="inherited"><a href="dart-core/Object/noSuchMethod.html">noSuchMethod</a></li><li class="inherited"><a href="foundation/DiagnosticableTree/toDiagnosticsNode.html">toDiagnosticsNode</a></li><li class="inherited"><a href="foundation/DiagnosticableMixin/toString.html">toString</a></li><li class="inherited"><a href="foundation/DiagnosticableTree/toStringDeep.html">toStringDeep</a></li><li class="inherited"><a href="foundation/DiagnosticableTree/toStringShallow.html">toStringShallow</a></li><li class="inherited"><a href="widgets/Widget/toStringShort.html">toStringShort</a></li><li class="section-title inherited"><a href="material/TextFormField-class.html#operators">Operators</a></li><li class="inherited"><a href="dart-core/Object/operator_equals.html">operator ==</a></li></ol></div><!--/.sidebar-offcanvas--><div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content"><div><h1><span class="kind-method">createState</span> method</h1></div><section class="multi-line-signature"><div><ol class="annotation-list"><li>@override</li></ol></div><span class="returntype">_TextFormFieldState</span><span class="name ">createState</span>(<wbr>)<div class="features">override</div></section><section class="desc markdown"><p>Creates the mutable state for this widget at a given location in the tree.</p><p>Subclasses should override this method to return a newly createdinstance of their associated <a href="widgets/State-class.html">State</a> subclass:</p><pre class="language-dart"><code class="language-dart">@override_MyState createState() => _MyState();</code></pre><p>The framework can call this method multiple times over the lifetime ofa <a href="widgets/StatefulWidget-class.html">StatefulWidget</a>. For example, if the widget is inserted into the treein multiple locations, the framework will create a separate <a href="widgets/State-class.html">State</a> objectfor each location. Similarly, if the widget is removed from the tree andlater inserted into the tree again, the framework will call <a href="material/TextFormField/createState.html">createState</a>again to create a fresh <a href="widgets/State-class.html">State</a> object, simplifying the lifecycle of<a href="widgets/State-class.html">State</a> objects.</p></section><section class="summary source-code" id="source"><h2><span>Implementation</span></h2><pre class="language-dart"><code class="language-dart">@override_TextFormFieldState createState() => _TextFormFieldState();</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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