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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/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/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></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="active" href="/react-native/docs/scrollview.html#content">ScrollView</a></li><li><a style="margin-left:0;" class="" 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>ScrollView</h1><div><div><p>Component that wraps platform ScrollView while providing
integration with touch locking &quot;responder&quot; system.</p><p>Doesn&#x27;t yet support other contained responders from blocking this scroll
view from becoming the responder.</p></div><h3><a class="anchor" name="props"></a><a class="edit-github" href="https://github.com/facebook/react-native/blob/master/Libraries/Components/ScrollView/ScrollView.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="alwaysbouncehorizontal"></a>alwaysBounceHorizontal <span class="propType">bool</span> <a class="hash-link" href="#alwaysbouncehorizontal">#</a></h4><div><p>When true, the scroll view bounces horizontally when it reaches the end
even if the content is smaller than the scroll view itself. The default
value is true when <code>horizontal={true}</code> and false otherwise.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="alwaysbouncevertical"></a>alwaysBounceVertical <span class="propType">bool</span> <a class="hash-link" href="#alwaysbouncevertical">#</a></h4><div><p>When true, the scroll view bounces vertically when it reaches the end
even if the content is smaller than the scroll view itself. The default
value is false when <code>horizontal={true}</code> and true otherwise.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="automaticallyadjustcontentinsets"></a>automaticallyAdjustContentInsets <span class="propType">bool</span> <a class="hash-link" href="#automaticallyadjustcontentinsets">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="bounces"></a>bounces <span class="propType">bool</span> <a class="hash-link" href="#bounces">#</a></h4><div><p>When true, the scroll view bounces when it reaches the end of the
content if the content is larger then the scroll view along the axis of
the scroll direction. When false, it disables all bouncing even if
the <code>alwaysBounce*</code> props are true. The default value is true.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="bounceszoom"></a>bouncesZoom <span class="propType">bool</span> <a class="hash-link" href="#bounceszoom">#</a></h4><div><p>When true, gestures can drive zoom past min/max and the zoom will animate
to the min/max value at gesture end, otherwise the zoom will not exceed
the limits.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="cancancelcontenttouches"></a>canCancelContentTouches <span class="propType">bool</span> <a class="hash-link" href="#cancancelcontenttouches">#</a></h4><div><p>When false, once tracking starts, won&#x27;t try to drag if the touch moves.
The default value is true.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="centercontent"></a>centerContent <span class="propType">bool</span> <a class="hash-link" href="#centercontent">#</a></h4><div><p>When true, the scroll view automatically centers the content when the
content is smaller than the scroll view bounds; when the content is
larger than the scroll view, this property has no effect. The default
value is false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="contentcontainerstyle"></a>contentContainerStyle <span class="propType">StyleSheetPropType(ViewStylePropTypes)</span> <a class="hash-link" href="#contentcontainerstyle">#</a></h4><div><p>These styles will be applied to the scroll view content container which
wraps all of the child views. Example:</p><p> return (
&lt;ScrollView contentContainerStyle={styles.contentContainer}&gt;
&lt;/ScrollView&gt;
);
...
var styles = StyleSheet.create({
contentContainer: {
paddingVertical: 20
}
});</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="contentinset"></a>contentInset <span class="propType">{top: number, left: number, bottom: number, right: number}</span> <a class="hash-link" href="#contentinset">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="contentoffset"></a>contentOffset <span class="propType">PointPropType</span> <a class="hash-link" href="#contentoffset">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="decelerationrate"></a>decelerationRate <span class="propType">number</span> <a class="hash-link" href="#decelerationrate">#</a></h4><div><p>A floating-point number that determines how quickly the scroll view
decelerates after the user lifts their finger. Reasonable choices include
- Normal: 0.998 (the default)
- Fast: 0.9</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="directionallockenabled"></a>directionalLockEnabled <span class="propType">bool</span> <a class="hash-link" href="#directionallockenabled">#</a></h4><div><p>When true, the ScrollView will try to lock to only vertical or horizontal
scrolling while dragging. The default value is false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="horizontal"></a>horizontal <span class="propType">bool</span> <a class="hash-link" href="#horizontal">#</a></h4><div><p>When true, the scroll view&#x27;s children are arranged horizontally in a row
instead of vertically in a column. The default value is false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="keyboarddismissmode"></a>keyboardDismissMode <span class="propType">enum(&quot;none&quot;, &#x27;interactive&#x27;, &#x27;on-drag&#x27;)</span> <a class="hash-link" href="#keyboarddismissmode">#</a></h4><div><p>Determines whether the keyboard gets dismissed in response to a drag.
- &#x27;none&#x27; (the default), drags do not dismiss the keyboard.
- &#x27;onDrag&#x27;, the keyboard is dismissed when a drag begins.
- &#x27;interactive&#x27;, the keyboard is dismissed interactively with the drag
and moves in synchrony with the touch; dragging upwards cancels the
dismissal.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="keyboardshouldpersisttaps"></a>keyboardShouldPersistTaps <span class="propType">bool</span> <a class="hash-link" href="#keyboardshouldpersisttaps">#</a></h4><div><p>When false, tapping outside of the focused text input when the keyboard
is up dismisses the keyboard. When true, the scroll view will not catch
taps, and the keyboard will not dismiss automatically. The default value
is false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="maximumzoomscale"></a>maximumZoomScale <span class="propType">number</span> <a class="hash-link" href="#maximumzoomscale">#</a></h4><div><p>The maximum allowed zoom scale. The default value is 1.0.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="minimumzoomscale"></a>minimumZoomScale <span class="propType">number</span> <a class="hash-link" href="#minimumzoomscale">#</a></h4><div><p>The minimum allowed zoom scale. The default value is 1.0.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onscroll"></a>onScroll <span class="propType">function</span> <a class="hash-link" href="#onscroll">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onscrollanimationend"></a>onScrollAnimationEnd <span class="propType">function</span> <a class="hash-link" href="#onscrollanimationend">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="pagingenabled"></a>pagingEnabled <span class="propType">bool</span> <a class="hash-link" href="#pagingenabled">#</a></h4><div><p>When true, the scroll view stops on multiples of the scroll view&#x27;s size
when scrolling. This can be used for horizontal pagination. The default
value is false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="removeclippedsubviews"></a>removeClippedSubviews <span class="propType">bool</span> <a class="hash-link" href="#removeclippedsubviews">#</a></h4><div><p>Experimental: When true, offscreen child views (whose <code>overflow</code> value is
<code>hidden</code>) are removed from their native backing superview when offscreen.
This can improve scrolling performance on long lists. The default value is
false.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="scrollenabled"></a>scrollEnabled <span class="propType">bool</span> <a class="hash-link" href="#scrollenabled">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="scrolleventthrottle"></a>scrollEventThrottle <span class="propType">number</span> <a class="hash-link" href="#scrolleventthrottle">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="scrollindicatorinsets"></a>scrollIndicatorInsets <span class="propType">{top: number, left: number, bottom: number, right: number}</span> <a class="hash-link" href="#scrollindicatorinsets">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="scrollstotop"></a>scrollsToTop <span class="propType">bool</span> <a class="hash-link" href="#scrollstotop">#</a></h4><div><p>When true, the scroll view scrolls to top when the status bar is tapped.
The default value is true.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="showshorizontalscrollindicator"></a>showsHorizontalScrollIndicator <span class="propType">bool</span> <a class="hash-link" href="#showshorizontalscrollindicator">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="showsverticalscrollindicator"></a>showsVerticalScrollIndicator <span class="propType">bool</span> <a class="hash-link" href="#showsverticalscrollindicator">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="stickyheaderindices"></a>stickyHeaderIndices <span class="propType">[number]</span> <a class="hash-link" href="#stickyheaderindices">#</a></h4><div><p>An array of child indices determining which children get docked to the
top of the screen when scrolling. For example, passing
<code>stickyHeaderIndices={[0]}</code> will cause the first child to be fixed to the
top of the scroll view. This property is not supported in conjunction
with <code>horizontal={true}</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="style"></a>style <span class="propType">style</span> <a class="hash-link" href="#style">#</a></h4><div class="compactProps"><div class="prop"><h6 class="propTitle"><a href="flexbox.html#proptypes">Flexbox...</a></h6></div><div class="prop"><h6 class="propTitle"><a href="transforms.html#proptypes">Transforms...</a></h6></div><div class="prop"><h6 class="propTitle">backgroundColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderBottomColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderBottomLeftRadius <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">borderBottomRightRadius <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">borderColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderLeftColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderRadius <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">borderRightColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderTopColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">borderTopLeftRadius <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">borderTopRightRadius <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">opacity <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">overflow <span class="propType">enum(&#x27;visible&#x27;, &#x27;hidden&#x27;)</span></h6></div><div class="prop"><h6 class="propTitle">shadowColor <span class="propType">string</span></h6></div><div class="prop"><h6 class="propTitle">shadowOffset <span class="propType">{width: number, height: number}</span></h6></div><div class="prop"><h6 class="propTitle">shadowOpacity <span class="propType">number</span></h6></div><div class="prop"><h6 class="propTitle">shadowRadius <span class="propType">number</span></h6></div></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="zoomscale"></a>zoomScale <span class="propType">number</span> <a class="hash-link" href="#zoomscale">#</a></h4><div><p>The current scale of the scroll view content. The default value is 1.0.</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/ScrollViewExample.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>
ScrollView<span class="token punctuation">,</span>
StyleSheet<span class="token punctuation">,</span>
View<span class="token punctuation">,</span>
Image
<span class="token punctuation">}</span> <span class="token operator">=</span> React<span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token string">&#x27;&lt;ScrollView&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;Component that enables scrolling through child components&#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;ScrollView&gt;&#x27;</span><span class="token punctuation">,</span>
description<span class="token punctuation">:</span> <span class="token string">&#x27;To make content scrollable, wrap it within a &lt;ScrollView&gt; component&#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>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;ScrollView
onScroll<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span> console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">&#x27;onScroll!&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token punctuation">}</span><span class="token punctuation">}</span>
scrollEventThrottle<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">200</span><span class="token punctuation">}</span>
contentInset<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>top<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">50</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>scrollView<span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span>THUMBS<span class="token punctuation">.</span><span class="token function">map<span class="token punctuation">(</span></span>createThumbRow<span class="token punctuation">)</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>ScrollView<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;ScrollView&gt; (horizontal = true)&#x27;</span><span class="token punctuation">,</span>
description<span class="token punctuation">:</span> <span class="token string">&#x27;You can display &lt;ScrollView&gt;\&#x27;s child components horizontally rather than vertically&#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>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;ScrollView
horizontal<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
contentInset<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>top<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">50</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span>styles<span class="token punctuation">.</span>scrollView<span class="token punctuation">,</span> styles<span class="token punctuation">.</span>horizontalScrollView<span class="token punctuation">]</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span>THUMBS<span class="token punctuation">.</span><span class="token function">map<span class="token punctuation">(</span></span>createThumbRow<span class="token punctuation">)</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>ScrollView<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> Thumb <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>
shouldComponentUpdate<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>nextProps<span class="token punctuation">,</span> nextState<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token boolean">false</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">return</span> <span class="token punctuation">(</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Image style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>img<span class="token punctuation">}</span> source<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>uri<span class="token punctuation">:</span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>uri<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>
<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> THUMBS <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-ash3/t39.1997/p128x128/851549_767334479959628_274486868_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851561_767334496626293_1958532586_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-ash3/t39.1997/p128x128/851579_767334503292959_179092627_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851589_767334513292958_1747022277_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851563_767334559959620_1193692107_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851593_767334566626286_1953955109_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851591_767334523292957_797560749_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851567_767334529959623_843148472_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851548_767334489959627_794462220_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851575_767334539959622_441598241_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-ash3/t39.1997/p128x128/851573_767334549959621_534583464_n.png&#x27;</span><span class="token punctuation">,</span> <span class="token string">&#x27;https://fbcdn-dragon-a.akamaihd.net/hphotos-ak-prn1/t39.1997/p128x128/851583_767334573292952_1519550680_n.png&#x27;</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
THUMBS <span class="token operator">=</span> THUMBS<span class="token punctuation">.</span><span class="token function">concat<span class="token punctuation">(</span></span>THUMBS<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment" spellcheck="true"> // double length of THUMBS
</span><span class="token keyword">var</span> createThumbRow <span class="token operator">=</span> <span class="token punctuation">(</span>uri<span class="token punctuation">,</span> i<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> &lt;Thumb key<span class="token operator">=</span><span class="token punctuation">{</span>i<span class="token punctuation">}</span> uri<span class="token operator">=</span><span class="token punctuation">{</span>uri<span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> styles <span class="token operator">=</span> StyleSheet<span class="token punctuation">.</span><span class="token function">create<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
scrollView<span class="token punctuation">:</span> <span class="token punctuation">{</span>
backgroundColor<span class="token punctuation">:</span> <span class="token string">&#x27;#6A85B1&#x27;</span><span class="token punctuation">,</span>
height<span class="token punctuation">:</span> <span class="token number">300</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
horizontalScrollView<span class="token punctuation">:</span> <span class="token punctuation">{</span>
height<span class="token punctuation">:</span> <span class="token number">120</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
containerPage<span class="token punctuation">:</span> <span class="token punctuation">{</span>
height<span class="token punctuation">:</span> <span class="token number">50</span><span class="token punctuation">,</span>
width<span class="token punctuation">:</span> <span class="token number">50</span><span class="token punctuation">,</span>
backgroundColor<span class="token punctuation">:</span> <span class="token string">&#x27;#527FE4&#x27;</span><span class="token punctuation">,</span>
padding<span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
text<span class="token punctuation">:</span> <span class="token punctuation">{</span>
fontSize<span class="token punctuation">:</span> <span class="token number">20</span><span class="token punctuation">,</span>
color<span class="token punctuation">:</span> <span class="token string">&#x27;#888888&#x27;</span><span class="token punctuation">,</span>
left<span class="token punctuation">:</span> <span class="token number">80</span><span class="token punctuation">,</span>
top<span class="token punctuation">:</span> <span class="token number">20</span><span class="token punctuation">,</span>
height<span class="token punctuation">:</span> <span class="token number">40</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
button<span class="token punctuation">:</span> <span class="token punctuation">{</span>
margin<span class="token punctuation">:</span> <span class="token number">7</span><span class="token punctuation">,</span>
padding<span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
alignItems<span class="token punctuation">:</span> <span class="token string">&#x27;center&#x27;</span><span class="token punctuation">,</span>
backgroundColor<span class="token punctuation">:</span> <span class="token string">&#x27;#eaeaea&#x27;</span><span class="token punctuation">,</span>
borderRadius<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>
buttonContents<span class="token punctuation">:</span> <span class="token punctuation">{</span>
flexDirection<span class="token punctuation">:</span> <span class="token string">&#x27;row&#x27;</span><span class="token punctuation">,</span>
width<span class="token punctuation">:</span> <span class="token number">64</span><span class="token punctuation">,</span>
height<span class="token punctuation">:</span> <span class="token number">64</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
img<span class="token punctuation">:</span> <span class="token punctuation">{</span>
width<span class="token punctuation">:</span> <span class="token number">64</span><span class="token punctuation">,</span>
height<span class="token punctuation">:</span> <span class="token number">64</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="segmentedcontrolios.html#content">Next →</a></div></div></section><footer class="wrap"><div class="right">© 2015 Facebook Inc.</div></footer></div><div id="fb-root"></div><script>
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