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<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>React Native | A framework for building native apps using React</title><meta name="viewport" content="width=device-width"><meta property="og:title" content="React Native | A framework for building native apps using React"><meta property="og:type" content="website"><meta property="og:url" content="http://facebook.github.io/react-native/index.html"><meta property="og:image" content="http://facebook.github.io/react-native/img/opengraph.png?2"><meta property="og:description" content="A framework for building native apps using React"><link rel="shortcut icon" href="/react-native/img/favicon.png?2"><link rel="stylesheet" href="/react-native/css/react-native.css"><script type="text/javascript" src="//use.typekit.net/vqa1hcx.js"></script><script type="text/javascript">try{Typekit.load();}catch(e){}</script></head><body><div class="container"><div class="nav-main"><div class="wrap"><a class="nav-home" href="/react-native/"><img src="/react-native/img/header_logo.png">React Native</a><div class="nav-site-wrapper"><ul class="nav-site nav-site-internal"><li><a href="/react-native/docs/getting-started.html" class="active">Docs</a></li><li><a href="/react-native/support.html" class="">Support</a></li></ul><ul class="nav-site nav-site-external"><li><a href="https://github.com/facebook/react-native" class="">GitHub</a></li><li><a href="http://facebook.github.io/react" class="">React</a></li></ul></div></div></div><section class="content wrap documentationContent"><div class="nav-docs"><div class="nav-docs-section"><h3>Quick Start</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/getting-started.html#content">Getting Started</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/tutorial.html#content">Tutorial</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/videos.html#content">Videos</a></li></ul></div><div class="nav-docs-section"><h3>Guides</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/style.html#content">Style</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/gesture-responder-system.html#content">Gesture Responder System</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/animations.html#content">Animations</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/nativemodulesios.html#content">Native Modules (iOS)</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/nativecomponentsios.html#content">Native UI Components (iOS)</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/direct-manipulation.html#content">Direct Manipulation</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/linking-libraries.html#content">Linking Libraries</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/debugging.html#content">Debugging</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/testing.html#content">Testing</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/runningondevice.html#content">Running On Device</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/embedded-app.html#content">Integration with Existing App</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/javascript-environment.html#content">JavaScript Environment</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/navigator-comparison.html#content">Navigator Comparison</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/activityindicatorios.html#content">ActivityIndicatorIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/datepickerios.html#content">DatePickerIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/image.html#content">Image</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/listview.html#content">ListView</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/mapview.html#content">MapView</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/navigator.html#content">Navigator</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/navigatorios.html#content">NavigatorIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pickerios.html#content">PickerIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/scrollview.html#content">ScrollView</a></li><li><a style="margin-left:0;" class="active" href="/react-native/docs/segmentedcontrolios.html#content">SegmentedControlIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/sliderios.html#content">SliderIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/switchios.html#content">SwitchIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/tabbarios.html#content">TabBarIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/tabbarios-item.html#content">TabBarIOS.Item</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/text.html#content">Text</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/textinput.html#content">TextInput</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchablehighlight.html#content">TouchableHighlight</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchableopacity.html#content">TouchableOpacity</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/touchablewithoutfeedback.html#content">TouchableWithoutFeedback</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/view.html#content">View</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/webview.html#content">WebView</a></li></ul></div><div class="nav-docs-section"><h3>apis</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/actionsheetios.html#content">ActionSheetIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/alertios.html#content">AlertIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/appregistry.html#content">AppRegistry</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/appstateios.html#content">AppStateIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/asyncstorage.html#content">AsyncStorage</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/cameraroll.html#content">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/interactionmanager.html#content">InteractionManager</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/layoutanimation.html#content">LayoutAnimation</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/linkingios.html#content">LinkingIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/netinfo.html#content">NetInfo</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/panresponder.html#content">PanResponder</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pixelratio.html#content">PixelRatio</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pushnotificationios.html#content">PushNotificationIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/statusbarios.html#content">StatusBarIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/stylesheet.html#content">StyleSheet</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/vibrationios.html#content">VibrationIOS</a></li></ul></div><div class="nav-docs-section"><h3>Polyfills</h3><ul><li><a style="margin-left:0;" class="" href="/react-native/docs/flexbox.html#content">Flexbox</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/geolocation.html#content">Geolocation</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/network.html#content">Network</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/timers.html#content">Timers</a></li></ul></div></div><div class="inner-content"><a id="content"></a><h1>SegmentedControlIOS</h1><div><div><p>Use <code>SegmentedControlIOS</code> to render a UISegmentedControl iOS.</p></div><h3><a class="anchor" name="props"></a><a class="edit-github" href="https://github.com/facebook/react-native/blob/master/Libraries/Components/SegmentedControlIOS/SegmentedControlIOS.ios.js">Edit on GitHub</a>Props <a class="hash-link" href="#props">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="enabled"></a>enabled <span class="propType">bool</span> <a class="hash-link" href="#enabled">#</a></h4><div><p>If false the user won&#x27;t be able to interact with the control.
Default value is true.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="momentary"></a>momentary <span class="propType">bool</span> <a class="hash-link" href="#momentary">#</a></h4><div><p>If true, then selecting a segment won&#x27;t persist visually.
The <code>onValueChange</code> callback will still work as expected.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onchange"></a>onChange <span class="propType">function</span> <a class="hash-link" href="#onchange">#</a></h4><div><p>Callback that is called when the user taps a segment;
passes the event as an argument</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onvaluechange"></a>onValueChange <span class="propType">function</span> <a class="hash-link" href="#onvaluechange">#</a></h4><div><p>Callback that is called when the user taps a segment;
passes the segment&#x27;s value as an argument</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="selectedindex"></a>selectedIndex <span class="propType">number</span> <a class="hash-link" href="#selectedindex">#</a></h4><div><p>The index in <code>props.values</code> of the segment to be pre-selected</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="tintcolor"></a>tintColor <span class="propType">string</span> <a class="hash-link" href="#tintcolor">#</a></h4><div><p>Accent color of the control.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="values"></a>values <span class="propType">[string]</span> <a class="hash-link" href="#values">#</a></h4><div><p>The labels for the control&#x27;s segment buttons, in order.</p></div></div></div></div><div><h3><a class="anchor" name="examples"></a><a class="edit-github" href="https://github.com/facebook/react-native/blob/master/Examples/UIExplorer/SegmentedControlIOSExample.js">Edit on GitHub</a>Examples <a class="hash-link" href="#examples">#</a></h3><div class="prism language-javascript"><span class="token string">&#x27;use strict&#x27;</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> React <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;react-native&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> <span class="token punctuation">{</span>
SegmentedControlIOS<span class="token punctuation">,</span>
Text<span class="token punctuation">,</span>
View<span class="token punctuation">,</span>
StyleSheet
<span class="token punctuation">}</span> <span class="token operator">=</span> React<span class="token punctuation">;</span>
<span class="token keyword">var</span> BasicSegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>marginBottom<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;SegmentedControlIOS values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Three&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Four&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Five&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> PreSelectedSegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> selectedIndex<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">0</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> MomentarySegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> momentary<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> DisabledSegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS enabled<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">false</span><span class="token punctuation">}</span> values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> selectedIndex<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">1</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> ColorSegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>marginBottom<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;SegmentedControlIOS tintColor<span class="token operator">=</span><span class="token string">&quot;#ff0000&quot;</span> values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Three&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Four&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> selectedIndex<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">0</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS tintColor<span class="token operator">=</span><span class="token string">&quot;#00ff00&quot;</span> values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Three&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">}</span> selectedIndex<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">1</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> EventSegmentedControlExample <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
<span class="token function">getInitialState<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">{</span>
values<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;One&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Two&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Three&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
value<span class="token punctuation">:</span> <span class="token string">&#x27;Not selected&#x27;</span><span class="token punctuation">,</span>
selectedIndex<span class="token punctuation">:</span> undefined
<span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;Text style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>text<span class="token punctuation">}</span> <span class="token operator">&gt;</span>
Value<span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>value<span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;Text style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>text<span class="token punctuation">}</span> <span class="token operator">&gt;</span>
Index<span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>selectedIndex<span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;SegmentedControlIOS
values<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>values<span class="token punctuation">}</span>
selectedIndex<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>selectedIndex<span class="token punctuation">}</span>
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onChange<span class="token punctuation">}</span>
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