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<!DOCTYPE html><html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>CameraRoll – React Native | A framework for building native apps using React</title><meta name="viewport" content="width=device-width"><meta property="og:title" content="CameraRoll – 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="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"><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><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="/react-native/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="/react-native/docs/getting-started.html#content">Getting Started</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/android-setup.html#content">Android Setup</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/linux-windows-support.html#content">Linux and Windows Support</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/images.html#content">Images</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/accessibility.html#content">Accessibility</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/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/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><li><a style="margin-left:0;" class="" href="/react-native/docs/known-issues.html#content">Known Issues</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/performance.html#content">Performance</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/upgrading.html#content">Upgrading</a></li><li><a style="margin-left:0;" class="" href="/react-native/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="/react-native/docs/native-modules-ios.html#content">Native Modules</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/native-components-ios.html#content">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/linking-libraries-ios.html#content">Linking Libraries</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/running-on-device-ios.html#content">Running On Device</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/embedded-app-ios.html#content">Integrating with Existing Apps</a></li><li><a style="margin-left:0;" class="" href="/react-native/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="/react-native/docs/native-modules-android.html#content">Native Modules</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/native-components-android.html#content">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/running-on-device-android.html#content">Running On Device</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/embedded-app-android.html#content">Integrating with Existing Apps</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/signed-apk-android.html#content">Generating Signed APK</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/android-ui-performance.html#content">Profiling Android UI Performance</a></li><li><a style="margin-left:0;" class="" href="/react-native/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="/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/drawerlayoutandroid.html#content">DrawerLayoutAndroid</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/modal.html#content">Modal</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/progressbarandroid.html#content">ProgressBarAndroid</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/progressviewios.html#content">ProgressViewIOS</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/pulltorefreshviewandroid.html#content">PullToRefreshViewAndroid</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/refreshcontrol.html#content">RefreshControl</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="" 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/switch.html#content">Switch</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/toolbarandroid.html#content">ToolbarAndroid</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/touchablenativefeedback.html#content">TouchableNativeFeedback</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/viewpagerandroid.html#content">ViewPagerAndroid</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/alert.html#content">Alert</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/animated.html#content">Animated</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/appstate.html#content">AppState</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/backandroid.html#content">BackAndroid</a></li><li><a style="margin-left:0;" class="active" href="/react-native/docs/cameraroll.html#content">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/dimensions.html#content">Dimensions</a></li><li><a style="margin-left:0;" class="" href="/react-native/docs/intentandroid.html#content">IntentAndroid</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/nativemethodsmixin.html#content">NativeMethodsMixin</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/toastandroid.html#content">ToastAndroid</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>CameraRoll</h1><div><div><p><code>CameraRoll</code> provides access to the local camera roll / gallery.</p></div><span><h3><a class="anchor" name="methods"></a>Methods <a class="hash-link" href="#methods">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="saveimagewithtag"></a><span class="propType">static </span>saveImageWithTag<span class="propType">(tag: string)</span> <a class="hash-link" href="#saveimagewithtag">#</a></h4><div><p>Saves the image to the camera roll / gallery.</p><p>@param {string} tag On Android, this is a local URI, such
as <code>&quot;file:///sdcard/img.png&quot;</code>.</p><p>On iOS, the tag can be one of the following:</p><ul><li>local URI</li><li>assets-library tag</li><li>a tag not matching any of the above, which means the image data will
be stored in memory (and consume memory as long as the process is alive)</li></ul><p>Returns a Promise which when resolved will be passed the new uri</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="getphotos"></a><span class="propType">static </span>getPhotos<span class="propType">(params: object)</span> <a class="hash-link" href="#getphotos">#</a></h4><div><p> Returns a Promise with photo identifier objects from the local camera
roll of the device matching shape defined by <code>getPhotosReturnChecker</code>.</p><p> @param {object} params See <code>getPhotosParamChecker</code>.</p><p> Returns a Promise which when resolved will be of shape <code>getPhotosReturnChecker</code></p></div></div></div></span></div><div><h3><a class="anchor" name="examples"></a><a class="edit-github" href="https://github.com/facebook/react-native/blob/master/Examples/UIExplorer/CameraRollExample.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>
const 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>
const <span class="token punctuation">{</span>
CameraRoll<span class="token punctuation">,</span>
Image<span class="token punctuation">,</span>
SliderIOS<span class="token punctuation">,</span>
StyleSheet<span class="token punctuation">,</span>
Switch<span class="token punctuation">,</span>
Text<span class="token punctuation">,</span>
View<span class="token punctuation">,</span>
TouchableOpacity
<span class="token punctuation">}</span> <span class="token operator">=</span> React<span class="token punctuation">;</span>
const CameraRollView <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;./CameraRollView&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
const AssetScaledImageExampleView <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;./AssetScaledImageExample&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
const CAMERA_ROLL_VIEW <span class="token operator">=</span> <span class="token string">&#x27;camera_roll_view&#x27;</span><span class="token punctuation">;</span>
const CameraRollExample <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>
groupTypes<span class="token punctuation">:</span> <span class="token string">&#x27;SavedPhotos&#x27;</span><span class="token punctuation">,</span>
sliderValue<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
bigImages<span class="token punctuation">:</span> <span class="token boolean">true</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 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;Switch
onValueChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onSwitchChange<span class="token punctuation">}</span>
value<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>bigImages<span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span><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>bigImages <span class="token operator">?</span> <span class="token string">&#x27;Big&#x27;</span> <span class="token punctuation">:</span> <span class="token string">&#x27;Small&#x27;</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">&#x27; Images&#x27;</span><span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;SliderIOS
value<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>sliderValue<span class="token punctuation">}</span>
onValueChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onSliderChange<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span><span class="token punctuation">{</span><span class="token string">&#x27;Group Type: &#x27;</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>groupTypes<span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;CameraRollView
ref<span class="token operator">=</span><span class="token punctuation">{</span>CAMERA_ROLL_VIEW<span class="token punctuation">}</span>
batchSize<span class="token operator">=</span><span class="token punctuation">{</span><span class="token number">20</span><span class="token punctuation">}</span>
groupTypes<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>groupTypes<span class="token punctuation">}</span>
renderImage<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_renderImage<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 function">loadAsset<span class="token punctuation">(</span></span>asset<span class="token punctuation">)</span><span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>navigator<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>navigator<span class="token punctuation">.</span><span class="token function">push<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Camera Roll Image&#x27;</span><span class="token punctuation">,</span>
component<span class="token punctuation">:</span> AssetScaledImageExampleView<span class="token punctuation">,</span>
backButtonTitle<span class="token punctuation">:</span> <span class="token string">&#x27;Back&#x27;</span><span class="token punctuation">,</span>
passProps<span class="token punctuation">:</span> <span class="token punctuation">{</span> asset<span class="token punctuation">:</span> asset <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 punctuation">,</span>
<span class="token function">_renderImage<span class="token punctuation">(</span></span>asset<span class="token punctuation">)</span> <span class="token punctuation">{</span>
const imageSize <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>bigImages <span class="token operator">?</span> <span class="token number">150</span> <span class="token punctuation">:</span> <span class="token number">75</span><span class="token punctuation">;</span>
const imageStyle <span class="token operator">=</span> <span class="token punctuation">[</span>styles<span class="token punctuation">.</span>image<span class="token punctuation">,</span> <span class="token punctuation">{</span>width<span class="token punctuation">:</span> imageSize<span class="token punctuation">,</span> height<span class="token punctuation">:</span> imageSize<span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
const location <span class="token operator">=</span> asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>location<span class="token punctuation">.</span>longitude <span class="token operator">?</span>
JSON<span class="token punctuation">.</span><span class="token function">stringify<span class="token punctuation">(</span></span>asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>location<span class="token punctuation">)</span> <span class="token punctuation">:</span> <span class="token string">&#x27;Unknown location&#x27;</span><span class="token punctuation">;</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;TouchableOpacity key<span class="token operator">=</span><span class="token punctuation">{</span>asset<span class="token punctuation">}</span> onPress<span class="token operator">=</span><span class="token punctuation">{</span> <span class="token keyword">this</span><span class="token punctuation">.</span>loadAsset<span class="token punctuation">.</span><span class="token function">bind<span class="token punctuation">(</span></span> <span class="token keyword">this</span><span class="token punctuation">,</span> asset <span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>row<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Image
source<span class="token operator">=</span><span class="token punctuation">{</span>asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>image<span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>imageStyle<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>info<span class="token punctuation">}</span><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>url<span class="token punctuation">}</span><span class="token operator">&gt;</span><span class="token punctuation">{</span>asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>image<span class="token punctuation">.</span>uri<span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span><span class="token punctuation">{</span>location<span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span><span class="token punctuation">{</span>asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>group_name<span class="token punctuation">}</span>&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span><span class="token punctuation">{</span><span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span>asset<span class="token punctuation">.</span>node<span class="token punctuation">.</span>timestamp<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toString<span class="token punctuation">(</span></span><span class="token punctuation">)</span><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>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>TouchableOpacity<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 function">_onSliderChange<span class="token punctuation">(</span></span>value<span class="token punctuation">)</span> <span class="token punctuation">{</span>
const options <span class="token operator">=</span> CameraRoll<span class="token punctuation">.</span>GroupTypesOptions<span class="token punctuation">;</span>
const index <span class="token operator">=</span> Math<span class="token punctuation">.</span><span class="token function">floor<span class="token punctuation">(</span></span>value <span class="token operator">*</span> options<span class="token punctuation">.</span>length <span class="token operator">*</span> <span class="token number">0.99</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
const groupTypes <span class="token operator">=</span> options<span class="token punctuation">[</span>index<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>groupTypes <span class="token operator">!</span><span class="token operator">==</span> <span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>groupTypes<span class="token punctuation">)</span> <span class="token punctuation">{</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>groupTypes<span class="token punctuation">:</span> groupTypes<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 function">_onSwitchChange<span class="token punctuation">(</span></span>value<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">this</span><span class="token punctuation">.</span>refs<span class="token punctuation">[</span>CAMERA_ROLL_VIEW<span class="token punctuation">]</span><span class="token punctuation">.</span><span class="token function">rendererChanged<span class="token punctuation">(</span></span><span class="token punctuation">)</span><span class="token punctuation">;</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> bigImages<span class="token punctuation">:</span> value <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>
const 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>
row<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>
flex<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
url<span class="token punctuation">:</span> <span class="token punctuation">{</span>
fontSize<span class="token punctuation">:</span> <span class="token number">9</span><span class="token punctuation">,</span>
marginBottom<span class="token punctuation">:</span> <span class="token number">14</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
image<span class="token punctuation">:</span> <span class="token punctuation">{</span>
margin<span class="token punctuation">:</span> <span class="token number">4</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
info<span class="token punctuation">:</span> <span class="token punctuation">{</span>
flex<span class="token punctuation">:</span> <span class="token number">1</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>title <span class="token operator">=</span> <span class="token string">&#x27;Camera Roll&#x27;</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>description <span class="token operator">=</span> <span class="token string">&#x27;Example component that uses CameraRoll to list user\&#x27;s photos&#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;Photos&#x27;</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> ReactElement <span class="token punctuation">{</span> <span class="token keyword">return</span> &lt;CameraRollExample <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></div></div><div class="docs-prevnext"><a class="docs-next" href="dimensions.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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