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<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>PickerIOS – React Native | A framework for building native apps using React</title><meta name="viewport" content="width=device-width"><meta property="og:title" content="PickerIOS – 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"><base href="/react-native/"><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"><link rel="shortcut icon" href="img/favicon.png?2"><link rel="stylesheet" href="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=""><img src="img/header_logo.png">React Native</a><a class="nav-version" href="/react-native/versions.html">0.20</a><div class="nav-site-wrapper"><ul class="nav-site nav-site-internal"><li><a href="docs/getting-started.html" class="active">Docs</a></li><li><a href="support.html" class="">Support</a></li><li><a href="https://github.com/facebook/react-native/releases" class="">Releases</a></li><li><a href="http://reactnative.cc" class="">Newsletter</a></li><li><a href="showcase.html" class="">Showcase</a></li></ul><div class="algolia-search-wrapper"><input id="algolia-doc-search" type="text" placeholder="Search docs..."></div><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="docs/getting-started.html#content">Getting Started</a></li><li><a style="margin-left:0;" class="" href="docs/android-setup.html#content">Android Setup</a></li><li><a style="margin-left:0;" class="" href="docs/linux-windows-support.html#content">Linux and Windows Support</a></li><li><a style="margin-left:0;" class="" href="docs/tutorial.html#content">Tutorial</a></li><li><a style="margin-left:0;" class="" href="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="docs/style.html#content">Style</a></li><li><a style="margin-left:0;" class="" href="docs/images.html#content">Images</a></li><li><a style="margin-left:0;" class="" href="docs/gesture-responder-system.html#content">Gesture Responder System</a></li><li><a style="margin-left:0;" class="" href="docs/animations.html#content">Animations</a></li><li><a style="margin-left:0;" class="" href="docs/accessibility.html#content">Accessibility</a></li><li><a style="margin-left:0;" class="" href="docs/direct-manipulation.html#content">Direct Manipulation</a></li><li><a style="margin-left:0;" class="" href="docs/debugging.html#content">Debugging</a></li><li><a style="margin-left:0;" class="" href="docs/testing.html#content">Testing</a></li><li><a style="margin-left:0;" class="" href="docs/javascript-environment.html#content">JavaScript Environment</a></li><li><a style="margin-left:0;" class="" href="docs/navigator-comparison.html#content">Navigator Comparison</a></li><li><a style="margin-left:0;" class="" href="docs/known-issues.html#content">Known Issues</a></li><li><a style="margin-left:0;" class="" href="docs/performance.html#content">Performance</a></li><li><a style="margin-left:0;" class="" href="docs/upgrading.html#content">Upgrading</a></li><li><a style="margin-left:0;" class="" href="docs/platform-specific-code.html#content">Platform Specific Code</a></li></ul></div><div class="nav-docs-section"><h3>Guides (iOS)</h3><ul><li><a style="margin-left:0;" class="" href="docs/native-modules-ios.html#content">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-ios.html#content">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/linking-libraries-ios.html#content">Linking Libraries</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-ios.html#content">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/embedded-app-ios.html#content">Integrating with Existing Apps</a></li><li><a style="margin-left:0;" class="" href="docs/communication-ios.html#content">Communication between native and React Native</a></li></ul></div><div class="nav-docs-section"><h3>Guides (Android)</h3><ul><li><a style="margin-left:0;" class="" href="docs/native-modules-android.html#content">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-android.html#content">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-android.html#content">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/embedded-app-android.html#content">Integrating with Existing Apps</a></li><li><a style="margin-left:0;" class="" href="docs/signed-apk-android.html#content">Generating Signed APK</a></li><li><a style="margin-left:0;" class="" href="docs/android-ui-performance.html#content">Profiling Android UI Performance</a></li><li><a style="margin-left:0;" class="" href="docs/android-building-from-source.html#content">Building React Native from source</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:0;" class="" href="docs/activityindicatorios.html#content">ActivityIndicatorIOS</a></li><li><a style="margin-left:0;" class="" href="docs/datepickerios.html#content">DatePickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/drawerlayoutandroid.html#content">DrawerLayoutAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/image.html#content">Image</a></li><li><a style="margin-left:0;" class="" href="docs/listview.html#content">ListView</a></li><li><a style="margin-left:0;" class="" href="docs/mapview.html#content">MapView</a></li><li><a style="margin-left:0;" class="" href="docs/modal.html#content">Modal</a></li><li><a style="margin-left:0;" class="" href="docs/navigator.html#content">Navigator</a></li><li><a style="margin-left:0;" class="" href="docs/navigatorios.html#content">NavigatorIOS</a></li><li><a style="margin-left:0;" class="active" href="docs/pickerios.html#content">PickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/picker.html#content">Picker</a></li><li><a style="margin-left:0;" class="" href="docs/progressbarandroid.html#content">ProgressBarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/progressviewios.html#content">ProgressViewIOS</a></li><li><a style="margin-left:0;" class="" href="docs/pulltorefreshviewandroid.html#content">PullToRefreshViewAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/refreshcontrol.html#content">RefreshControl</a></li><li><a style="margin-left:0;" class="" href="docs/scrollview.html#content">ScrollView</a></li><li><a style="margin-left:0;" class="" href="docs/segmentedcontrolios.html#content">SegmentedControlIOS</a></li><li><a style="margin-left:0;" class="" href="docs/sliderios.html#content">SliderIOS</a></li><li><a style="margin-left:0;" class="" href="docs/statusbar.html#content">StatusBar</a></li><li><a style="margin-left:0;" class="" href="docs/switch.html#content">Switch</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios.html#content">TabBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios-item.html#content">TabBarIOS.Item</a></li><li><a style="margin-left:0;" class="" href="docs/text.html#content">Text</a></li><li><a style="margin-left:0;" class="" href="docs/textinput.html#content">TextInput</a></li><li><a style="margin-left:0;" class="" href="docs/toolbarandroid.html#content">ToolbarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/touchablehighlight.html#content">TouchableHighlight</a></li><li><a style="margin-left:0;" class="" href="docs/touchablenativefeedback.html#content">TouchableNativeFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/touchableopacity.html#content">TouchableOpacity</a></li><li><a style="margin-left:0;" class="" href="docs/touchablewithoutfeedback.html#content">TouchableWithoutFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/view.html#content">View</a></li><li><a style="margin-left:0;" class="" href="docs/viewpagerandroid.html#content">ViewPagerAndroid</a></li><li><a style="margin-left:0;" class="" href="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="docs/actionsheetios.html#content">ActionSheetIOS</a></li><li><a style="margin-left:0;" class="" href="docs/alert.html#content">Alert</a></li><li><a style="margin-left:0;" class="" href="docs/alertios.html#content">AlertIOS</a></li><li><a style="margin-left:0;" class="" href="docs/animated.html#content">Animated</a></li><li><a style="margin-left:0;" class="" href="docs/appregistry.html#content">AppRegistry</a></li><li><a style="margin-left:0;" class="" href="docs/appstateios.html#content">AppStateIOS</a></li><li><a style="margin-left:0;" class="" href="docs/appstate.html#content">AppState</a></li><li><a style="margin-left:0;" class="" href="docs/asyncstorage.html#content">AsyncStorage</a></li><li><a style="margin-left:0;" class="" href="docs/backandroid.html#content">BackAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/cameraroll.html#content">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="docs/dimensions.html#content">Dimensions</a></li><li><a style="margin-left:0;" class="" href="docs/intentandroid.html#content">IntentAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/interactionmanager.html#content">InteractionManager</a></li><li><a style="margin-left:0;" class="" href="docs/layoutanimation.html#content">LayoutAnimation</a></li><li><a style="margin-left:0;" class="" href="docs/linking.html#content">Linking</a></li><li><a style="margin-left:0;" class="" href="docs/linkingios.html#content">LinkingIOS</a></li><li><a style="margin-left:0;" class="" href="docs/nativemethodsmixin.html#content">NativeMethodsMixin</a></li><li><a style="margin-left:0;" class="" href="docs/netinfo.html#content">NetInfo</a></li><li><a style="margin-left:0;" class="" href="docs/panresponder.html#content">PanResponder</a></li><li><a style="margin-left:0;" class="" href="docs/pixelratio.html#content">PixelRatio</a></li><li><a style="margin-left:0;" class="" href="docs/pushnotificationios.html#content">PushNotificationIOS</a></li><li><a style="margin-left:0;" class="" href="docs/statusbarios.html#content">StatusBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/stylesheet.html#content">StyleSheet</a></li><li><a style="margin-left:0;" class="" href="docs/toastandroid.html#content">ToastAndroid</a></li><li><a style="margin-left:0;" class="" href="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="docs/flexbox.html#content">Flexbox</a></li><li><a style="margin-left:0;" class="" href="docs/geolocation.html#content">Geolocation</a></li><li><a style="margin-left:0;" class="" href="docs/network.html#content">Network</a></li><li><a style="margin-left:0;" class="" href="docs/timers.html#content">Timers</a></li><li><a style="margin-left:0;" class="" href="docs/colors.html#content">Colors</a></li></ul></div></div><div class="inner-content"><a id="content"></a><table width="100%"><tbody><tr><td><h1><a class="anchor" name="pickerios"></a>PickerIOS <a class="hash-link" href="#pickerios">#</a></h1></td><td style="text-align:right;"><a target="_blank" href="https://github.com/facebook/react-native/blob/master/Libraries/Picker/PickerIOS.ios.js">Edit on GitHub</a></td></tr></tbody></table><div><noscript></noscript><h3><a class="anchor" name="props"></a>Props <a class="hash-link" href="#props">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="view"></a><a href="view.html#props">View props...</a> <a class="hash-link" href="#view">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="itemstyle"></a>itemStyle <span class="propType">itemStylePropType</span> <a class="hash-link" href="#itemstyle">#</a></h4></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><div class="prop"><h4 class="propTitle"><a class="anchor" name="selectedvalue"></a>selectedValue <span class="propType">any</span> <a class="hash-link" href="#selectedvalue">#</a></h4></div></div></div><div><table width="100%"><tbody><tr><td><h3><a class="anchor" name="examples"></a>Examples <a class="hash-link" href="#examples">#</a></h3></td><td style="text-align:right;"><a target="_blank" href="https://github.com/facebook/react-native/blob/master/Examples/UIExplorer/PickerIOSExample.js">Edit on GitHub</a></td></tr></tbody></table><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>
PickerIOS<span class="token punctuation">,</span>
Text<span class="token punctuation">,</span>
View<span class="token punctuation">,</span>
<span class="token punctuation">}</span> <span class="token operator">=</span> React<span class="token punctuation">;</span>
<span class="token keyword">var</span> PickerItemIOS <span class="token operator">=</span> PickerIOS<span class="token punctuation">.</span>Item<span class="token punctuation">;</span>
<span class="token keyword">var</span> CAR_MAKES_AND_MODELS <span class="token operator">=</span> <span class="token punctuation">{</span>
amc<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;AMC&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;AMX&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Concord&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Eagle&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Gremlin&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Matador&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Pacer&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
alfa<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Alfa-Romeo&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;159&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;4C&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Alfasud&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Brera&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;GTV6&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Giulia&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;MiTo&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Spider&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
aston<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Aston Martin&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;DB5&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;DB9&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;DBS&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Rapide&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Vanquish&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Vantage&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
audi<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Audi&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;90&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;4000&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;5000&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A3&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A4&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A5&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A6&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A7&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;A8&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Q5&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Q7&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
austin<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Austin&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;America&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Maestro&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Maxi&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Mini&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Montego&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Princess&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
borgward<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Borgward&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;Hansa&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Isabella&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;P100&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
buick<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Buick&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;Electra&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;LaCrosse&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;LeSabre&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Park Avenue&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Regal&#x27;</span><span class="token punctuation">,</span>
<span class="token string">&#x27;Roadmaster&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Skylark&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
cadillac<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Cadillac&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;Catera&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Cimarron&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Eldorado&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Fleetwood&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Sedan de Ville&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
chevrolet<span class="token punctuation">:</span> <span class="token punctuation">{</span>
name<span class="token punctuation">:</span> <span class="token string">&#x27;Chevrolet&#x27;</span><span class="token punctuation">,</span>
models<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">&#x27;Astro&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Aveo&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Bel Air&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Captiva&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Cavalier&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Chevelle&#x27;</span><span class="token punctuation">,</span>
<span class="token string">&#x27;Corvair&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Corvette&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Cruze&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Nova&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;SS&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Vega&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;Volt&#x27;</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> PickerExample <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>
getInitialState<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">{</span>
carMake<span class="token punctuation">:</span> <span class="token string">&#x27;cadillac&#x27;</span><span class="token punctuation">,</span>
modelIndex<span class="token punctuation">:</span> <span class="token number">3</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>
render<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">var</span> make <span class="token operator">=</span> CAR_MAKES_AND_MODELS<span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>carMake<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> selectionString <span class="token operator">=</span> make<span class="token punctuation">.</span>name <span class="token operator">+</span> <span class="token string">&#x27; &#x27;</span> <span class="token operator">+</span> make<span class="token punctuation">.</span>models<span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>modelIndex<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<span class="token operator">&gt;</span>Please choose a make <span class="token keyword">for</span> your car<span class="token punctuation">:</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;PickerIOS
selectedValue<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>carMake<span class="token punctuation">}</span>
onValueChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span>carMake<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span>carMake<span class="token punctuation">,</span> modelIndex<span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span>Object<span class="token punctuation">.</span><span class="token function">keys<span class="token punctuation">(</span></span>CAR_MAKES_AND_MODELS<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">map<span class="token punctuation">(</span></span><span class="token punctuation">(</span>carMake<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">(</span>
&lt;PickerItemIOS
key<span class="token operator">=</span><span class="token punctuation">{</span>carMake<span class="token punctuation">}</span>
value<span class="token operator">=</span><span class="token punctuation">{</span>carMake<span class="token punctuation">}</span>
label<span class="token operator">=</span><span class="token punctuation">{</span>CAR_MAKES_AND_MODELS<span class="token punctuation">[</span>carMake<span class="token punctuation">]</span><span class="token punctuation">.</span>name<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>PickerIOS<span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>Please choose a model of <span class="token punctuation">{</span>make<span class="token punctuation">.</span>name<span class="token punctuation">}</span><span class="token punctuation">:</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;PickerIOS
selectedValue<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>modelIndex<span class="token punctuation">}</span>
key<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>carMake<span class="token punctuation">}</span>
onValueChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span>modelIndex<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span>modelIndex<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span>CAR_MAKES_AND_MODELS<span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>carMake<span class="token punctuation">]</span><span class="token punctuation">.</span>models<span class="token punctuation">.</span><span class="token function">map<span class="token punctuation">(</span></span><span class="token punctuation">(</span>modelName<span class="token punctuation">,</span> modelIndex<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">(</span>
&lt;PickerItemIOS
key<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>carMake <span class="token operator">+</span> <span class="token string">&#x27;_&#x27;</span> <span class="token operator">+</span> modelIndex<span class="token punctuation">}</span>
value<span class="token operator">=</span><span class="token punctuation">{</span>modelIndex<span class="token punctuation">}</span>
label<span class="token operator">=</span><span class="token punctuation">{</span>modelName<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>PickerIOS<span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>You selected<span class="token punctuation">:</span> <span class="token punctuation">{</span>selectionString<span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<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> PickerStyleExample <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>
getInitialState<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">{</span>
carMake<span class="token punctuation">:</span> <span class="token string">&#x27;cadillac&#x27;</span><span class="token punctuation">,</span>
modelIndex<span class="token punctuation">:</span> <span class="token number">0</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>
render<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">var</span> make <span class="token operator">=</span> CAR_MAKES_AND_MODELS<span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>carMake<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> selectionString <span class="token operator">=</span> make<span class="token punctuation">.</span>name <span class="token operator">+</span> <span class="token string">&#x27; &#x27;</span> <span class="token operator">+</span> make<span class="token punctuation">.</span>models<span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>modelIndex<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;PickerIOS
itemStyle<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>fontSize<span class="token punctuation">:</span> <span class="token number">25</span><span class="token punctuation">,</span> color<span class="token punctuation">:</span> <span class="token string">&#x27;red&#x27;</span><span class="token punctuation">,</span> textAlign<span class="token punctuation">:</span> <span class="token string">&#x27;left&#x27;</span><span class="token punctuation">,</span> fontWeight<span class="token punctuation">:</span> <span class="token string">&#x27;bold&#x27;</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
selectedValue<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>carMake<span class="token punctuation">}</span>
onValueChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span>carMake<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span>carMake<span class="token punctuation">,</span> modelIndex<span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span>Object<span class="token punctuation">.</span><span class="token function">keys<span class="token punctuation">(</span></span>CAR_MAKES_AND_MODELS<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">map<span class="token punctuation">(</span></span><span class="token punctuation">(</span>carMake<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">(</span>
&lt;PickerItemIOS
key<span class="token operator">=</span><span class="token punctuation">{</span>carMake<span class="token punctuation">}</span>
value<span class="token operator">=</span><span class="token punctuation">{</span>carMake<span class="token punctuation">}</span>
label<span class="token operator">=</span><span class="token punctuation">{</span>CAR_MAKES_AND_MODELS<span class="token punctuation">[</span>carMake<span class="token punctuation">]</span><span class="token punctuation">.</span>name<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>PickerIOS<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>
exports<span class="token punctuation">.</span>displayName <span class="token operator">=</span> <span class="token punctuation">(</span>undefined<span class="token punctuation">:</span> <span class="token operator">?</span>string<span class="token punctuation">)</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token string">&#x27;&lt;PickerIOS&gt;&#x27;</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>description <span class="token operator">=</span> <span class="token string">&#x27;Render lists of selectable options with UIPickerView.&#x27;</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>examples <span class="token operator">=</span> <span class="token punctuation">[</span>
<span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;&lt;PickerIOS&gt;&#x27;</span><span class="token punctuation">,</span>
render<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">:</span> ReactElement <span class="token punctuation">{</span>
<span class="token keyword">return</span> &lt;PickerExample <span class="token operator">/</span><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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;&lt;PickerIOS&gt; with custom styling&#x27;</span><span class="token punctuation">,</span>
render<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">:</span> ReactElement <span class="token punctuation">{</span>
<span class="token keyword">return</span> &lt;PickerStyleExample <span class="token operator">/</span><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></div></div><div class="docs-prevnext"><a class="docs-next" href="picker.html#content">Next →</a></div></div><noscript></noscript></section><footer class="wrap"><div class="center">© 2015 Facebook Inc.</div></footer></div><div id="fb-root"></div><script>
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