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<!DOCTYPE html><html lang=""><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>React Native · A framework for building native apps using React</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="A framework for building native apps using React"/><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="https://facebook.github.io/react-native/index.html"/><meta property="og:description" content="A framework for building native apps using React"/><meta name="twitter:card" content="summary"/><link rel="shortcut icon" href="/react-native/img/favicon.png"/><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/solarized-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://facebook.github.io/react-native/blog/atom.xml" title="React Native Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://facebook.github.io/react-native/blog/feed.xml" title="React Native Blog RSS Feed"/><script>
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</script><script type="text/javascript" src="https://snack.expo.io/embed.js"></script><script type="text/javascript" src="/react-native/js/codeblocks.js"></script><link rel="stylesheet" href="/react-native/css/prism.css"/><link rel="stylesheet" href="/react-native/css/main.css"/></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/react-native/"><img class="logo" src="/react-native/img/header_logo.png" alt="React Native"/><h2 class="headerTitleWithLogo">React Native</h2></a><a href="/react-native/versions"><h3>0.57</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/react-native/docs/getting-started" target="_self">Docs</a></li><li class=""><a href="/react-native/help" target="_self">Community</a></li><li class=""><a href="/react-native/blog" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search" title="Search"/></li><li class=""><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li><li class=""><a href="https://reactjs.org/" target="_self">React</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="pageContainer"><div class="hero"><div class="text">React Native</div><div class="minitext">Build native mobile apps using JavaScript and React</div><div class="buttons-unit"><div><a class="big-button" href="/react-native/docs/getting-started" target="_self">Get Started</a><a class="big-button" href="/react-native/docs/tutorial" target="_self">Learn the Basics</a></div></div></div><div><div class="container"><div class="wrapper"><div class="blockElement"><div class="blockContent"><h2>Build native mobile apps using JavaScript and React</h2><div><span><p>React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative components.</p>
</span></div></div><div><span><pre><code class="hljs css language-javascript"><span class="token keyword">import</span> React<span class="token punctuation">,</span> <span class="token punctuation">{</span> Component <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react'</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> Text<span class="token punctuation">,</span> View <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react-native'</span><span class="token punctuation">;</span>
<span class="token keyword">class</span> <span class="token class-name">WhyReactNativeIsSoGreat</span> <span class="token keyword">extends</span> <span class="token class-name">Component</span> <span class="token punctuation">{</span>
<span class="token function">render</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>
<span class="token operator">&lt;</span>View<span class="token operator">></span>
<span class="token operator">&lt;</span>Text<span class="token operator">></span>
If you like React on the web<span class="token punctuation">,</span> you'll like React Native<span class="token punctuation">.</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>Text<span class="token operator">></span>
<span class="token operator">&lt;</span>Text<span class="token operator">></span>
You just use native components like <span class="token string">'View'</span> and <span class="token string">'Text'</span><span class="token punctuation">,</span>
instead <span class="token keyword">of</span> web components like <span class="token string">'div'</span> and <span class="token string">'span'</span><span class="token punctuation">.</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>Text<span class="token operator">></span>
<span class="token operator">&lt;</span><span class="token operator">/</span>View<span class="token operator">></span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
</span></div></div></div></div><div class="container"><div class="wrapper"><div class="blockElement"><div class="blockContent"><h2>A React Native app is a real mobile app</h2><div><span><p>With React Native, you don't build a &quot;mobile web app&quot;, an &quot;HTML5 app&quot;, or a &quot;hybrid app&quot;. You build a real mobile app that's indistinguishable from an app built using Objective-C or Java. React Native uses the same fundamental UI building blocks as regular iOS and Android apps. You just put those building blocks together using JavaScript and React.</p>
</span></div></div><div><span><pre><code class="hljs css language-javascript"><span class="token keyword">import</span> React<span class="token punctuation">,</span> <span class="token punctuation">{</span> Component <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react'</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> Image<span class="token punctuation">,</span> ScrollView<span class="token punctuation">,</span> Text <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react-native'</span><span class="token punctuation">;</span>
<span class="token keyword">class</span> <span class="token class-name">AwkwardScrollingImageWithText</span> <span class="token keyword">extends</span> <span class="token class-name">Component</span> <span class="token punctuation">{</span>
<span class="token function">render</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>
<span class="token operator">&lt;</span>ScrollView<span class="token operator">></span>
<span class="token operator">&lt;</span>Image
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 string">'https://i.chzbgr.com/full/7345954048/h7E2C65F9/'</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>width<span class="token punctuation">:</span> <span class="token number">320</span><span class="token punctuation">,</span> height<span class="token punctuation">:</span><span class="token number">180</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">></span>
<span class="token operator">&lt;</span>Text<span class="token operator">></span>
On iOS<span class="token punctuation">,</span> a React Native ScrollView uses a native UIScrollView<span class="token punctuation">.</span>
On Android<span class="token punctuation">,</span> it uses a native ScrollView<span class="token punctuation">.</span>
On iOS<span class="token punctuation">,</span> a React Native Image uses a native UIImageView<span class="token punctuation">.</span>
On Android<span class="token punctuation">,</span> it uses a native ImageView<span class="token punctuation">.</span>
React Native wraps the fundamental native components<span class="token punctuation">,</span> giving you
the performance <span class="token keyword">of</span> a native app<span class="token punctuation">,</span> plus the clean design <span class="token keyword">of</span> React<span class="token punctuation">.</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>Text<span class="token operator">></span>
<span class="token operator">&lt;</span><span class="token operator">/</span>ScrollView<span class="token operator">></span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
</span></div></div></div></div><div class="container"><div class="wrapper"><div class="blockElement"><div class="blockContent"><h2>Don&#x27;t waste time recompiling</h2><div><div><span><p>React Native lets you build your app faster. Instead of recompiling, you can reload your app instantly. With <a href="http://facebook.github.io/react-native/blog/2016/03/24/introducing-hot-reloading">Hot Reloading</a>, you can even run new code while retaining your application state. Give it a try - it's a magical experience.</p>
</span></div></div></div><img src="https://media.giphy.com/media/13WZniThXy0hSE/giphy.gif" alt="Hot Reloading Demonstration"/></div></div></div><div class="container"><div class="wrapper"><div class="blockElement"><div class="blockContent"><h2>Use native code when you need to</h2><div><div><span><p>React Native combines smoothly with components written in Objective-C, Java, or Swift. It's simple to drop down to native code if you need to optimize a few aspects of your application. It's also easy to build part of your app in React Native, and part of your app using native code directly - that's how the Facebook app works.</p>
</span></div></div></div><div><span><pre><code class="hljs css language-javascript"><span class="token keyword">import</span> React<span class="token punctuation">,</span> <span class="token punctuation">{</span> Component <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react'</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> Text<span class="token punctuation">,</span> View <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react-native'</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> <span class="token punctuation">{</span> TheGreatestComponentInTheWorld <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'./your-native-code'</span><span class="token punctuation">;</span>
<span class="token keyword">class</span> <span class="token class-name">SomethingFast</span> <span class="token keyword">extends</span> <span class="token class-name">Component</span> <span class="token punctuation">{</span>
<span class="token function">render</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>
<span class="token operator">&lt;</span>View<span class="token operator">></span>
<span class="token operator">&lt;</span>TheGreatestComponentInTheWorld <span class="token operator">/</span><span class="token operator">></span>
<span class="token operator">&lt;</span>Text<span class="token operator">></span>
TheGreatestComponentInTheWorld could use native Objective<span class="token operator">-</span><span class="token constant">C</span><span class="token punctuation">,</span>
Java<span class="token punctuation">,</span> or Swift <span class="token operator">-</span> the product development process is the same<span class="token punctuation">.</span>
<span class="token operator">&lt;</span><span class="token operator">/</span>Text<span class="token operator">></span>
<span class="token operator">&lt;</span><span class="token operator">/</span>View<span class="token operator">></span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
</span></div></div></div></div></div><div class="home-showcase-section"><h2>Who&#x27;s using React Native?</h2><p>Thousands of apps are using React Native, from established Fortune 500 companies to hot new startups. If you&#x27;re curious to see what can be accomplished with React Native, <a href="/react-native/showcase">check out these apps</a>!</p><div class="logos"><div><div class="showcase"><a href="https://code.facebook.com/posts/895897210527114/dive-into-react-native-performance/"><img src="/react-native/img/showcase/facebook.png" alt="Facebook"/></a></div><div class="showcase"><a href="https://code.facebook.com/posts/1189117404435352/react-native-for-android-how-we-built-the-first-cross-platform-react-native-app/"><img src="/react-native/img/showcase/adsmanager.png" alt="Facebook Ads Manager"/></a></div><div class="showcase"><a><img src="/react-native/img/showcase/fba.png" alt="Facebook Analytics"/></a></div><div class="showcase"><a href="https://engineering.instagram.com/react-native-at-instagram-dd828a9a90c7#.3h4wir4zr"><img src="/react-native/img/showcase/instagram.png" alt="Instagram"/></a></div><div class="showcase"><a href="http://makeitopen.com/docs/en/1-1-planning.html"><img src="/react-native/img/showcase/f8.png" alt="F8"/></a></div><div class="showcase"><a href="https://www.techatbloomberg.com/blog/bloomberg-used-react-native-develop-new-consumer-app/"><img src="/react-native/img/showcase/bloomberg.png" alt="Bloomberg"/></a></div><div class="showcase"><a href="https://medium.com/@Pinterest_Engineering/supporting-react-native-at-pinterest-f8c2233f90e6"><img src="/react-native/img/showcase/pinterest.png" alt="Pinterest"/></a></div><div class="showcase"><a><img src="/react-native/img/showcase/skype.png" alt="Skype"/></a></div><div class="showcase"><a><img src="/react-native/img/showcase/tesla.png" alt="Tesla"/></a></div><div class="showcase"><a href="https://eng.uber.com/ubereats-react-native/"><img src="/react-native/img/showcase/uber.png" alt="Uber"/></a></div><div class="showcase"><a href=" https://medium.com/walmartlabs/react-native-at-walmartlabs-cdd140589560#.ueonqqloc"><img src="/react-native/img/showcase/walmart.png" alt="Walmart"/></a></div><div class="showcase"><a href="https://www.youtube.com/watch?v=abSNo2P9mMM"><img src="/react-native/img/showcase/wix.jpg" alt="Wix.com"/></a></div></div></div></div><div class="hero"><div><a class="big-button" href="/react-native/docs/getting-started" target="_self">Get Started</a><a class="big-button" href="/react-native/docs/tutorial" target="_self">Learn the Basics</a></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/react-native/" class="nav-home"><img src="/react-native/img/header_logo.png" alt="React Native" width="66" height="58"/></a><div><h5><a href="/react-native/docs/getting-started.html">Docs</a></h5><a href="/react-native/docs/getting-started.html">Getting Started</a><a href="/react-native/docs/tutorial.html">Tutorial</a><a href="/react-native/docs/components-and-apis.html">Components and APIs</a><a href="/react-native/docs/more-resources.html">More Resources</a></div><div><h5><a href="/react-native/help.html">Community</a></h5><a href="/react-native/showcase.html">Who&#x27;s using React Native?</a><a href="http://stackoverflow.com/questions/tagged/react-native" target="_blank">Stack Overflow</a><a href="https://discuss.reactjs.org" target="_blank">Discussion Forum</a><a href="https://discord.gg/0ZcbPKXt5bZjGY5n">Reactiflux Chat</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="http://reactjs.org" target="_blank">React</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="/react-native/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2018 Facebook Inc.</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>window.fbAsyncInit = function() {FB.init({appId:'1677033832619985',xfbml:true,version:'v2.7'});};(function(d, s, id){var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) {return;}js = d.createElement(s); js.id = id;js.src = '//connect.facebook.net/en_US/sdk.js';fjs.parentNode.insertBefore(js, fjs);}(document, 'script','facebook-jssdk'));
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