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<script src="https://snack.expo.io/embed.js" defer="defer"></script><title data-react-helmet="true">_integration-with-exisiting-apps-objc · React Native</title><meta data-react-helmet="true" property="twitter:image" content="https://reactnative.dev/img/logo-og.png"><meta data-react-helmet="true" name="twitter:image:alt" content="Image for React Native"><meta data-react-helmet="true" name="docsearch:language" content="en"><meta data-react-helmet="true" name="docsearch:version" content="0.63"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="docs-default-0.63"><meta data-react-helmet="true" property="og:image" content="https://reactnative.dev/img/logo-og.png"><meta data-react-helmet="true" name="twitter:card" content="summary"><meta data-react-helmet="true" name="twitter:image" content="https://reactnative.dev/img/logo-og.png"><meta data-react-helmet="true" property="og:title" content="_integration-with-exisiting-apps-objc · React Native"><meta data-react-helmet="true" name="description" content="Key Concepts"><meta data-react-helmet="true" property="og:description" content="Key Concepts"><meta data-react-helmet="true" property="og:url" content="https://reactnative.dev/docs/_integration-with-exisiting-apps-objc"><link data-react-helmet="true" rel="shortcut icon" href="/img/favicon.ico"><link data-react-helmet="true" rel="preconnect" href="https://BH4D9OD16A-dsn.algolia.net" crossorigin="anonymous"><link data-react-helmet="true" rel="canonical" href="https://reactnative.dev/docs/_integration-with-exisiting-apps-objc"><link rel="stylesheet" href="/styles.fccefeba.css">
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repository"></a></li></ul></div></div></div></nav><div class="main-wrapper"><div class="docPage_2UBv"><main class="docMainContainer_1rYT"><div class="container padding-vert--lg docItemWrapper_1Hme"><div class="row"><div class="col docItemCol_2AGf"><div class="docItemContainer_1tAC"><article><header><h1 class="docTitle_cWlf">_integration-with-exisiting-apps-objc</h1></header><div class="markdown"><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="key-concepts"></a>Key Concepts<a aria-hidden="true" tabindex="-1" class="hash-link" href="#key-concepts" title="Direct link to heading">#</a></h2><p>The keys to integrating React Native components into your iOS application are to:</p><ol><li>Set up React Native dependencies and directory structure.</li><li>Understand what React Native components you will use in your app.</li><li>Add these components as dependencies using CocoaPods.</li><li>Develop your React Native components in JavaScript.</li><li>Add a <code>RCTRootView</code> to your iOS app. This view will serve as the container for your React Native component.</li><li>Start the React Native server and run your native application.</li><li>Verify that the React Native aspect of your application works as expected.</li></ol><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="prerequisites"></a>Prerequisites<a aria-hidden="true" tabindex="-1" class="hash-link" href="#prerequisites" title="Direct link to heading">#</a></h2><p>Follow the React Native CLI Quickstart in the <a href="/docs/environment-setup">environment setup guide</a> to configure your development environment for building React Native apps for iOS.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="1-set-up-directory-structure"></a>1. Set up directory structure<a aria-hidden="true" tabindex="-1" class="hash-link" href="#1-set-up-directory-structure" title="Direct link to heading">#</a></h3><p>To ensure a smooth experience, create a new folder for your integrated React Native project, then copy your existing iOS project to a <code>/ios</code> subfolder.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="2-install-javascript-dependencies"></a>2. Install JavaScript dependencies<a aria-hidden="true" tabindex="-1" class="hash-link" href="#2-install-javascript-dependencies" title="Direct link to heading">#</a></h3><p>Go to the root directory for your project and create a new <code>package.json</code> file with the following contents:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-jsx codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">"name"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"MyReactNativeApp"</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">"version"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"0.0.1"</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">"private"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token boolean" style="color:#ff8b50">true</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">"scripts"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">"start"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"yarn react-native start"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span></div></div></div></div></div><p>Next, make sure you have <a href="https://yarnpkg.com/lang/en/docs/install/" target="_blank" rel="noopener noreferrer">installed the yarn package manager</a>.</p><p>Install the <code>react</code> and <code>react-native</code> packages. Open a terminal or command prompt, then navigate to the directory with your <code>package.json</code> file and run:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ </span><span class="token function" style="color:#79b6f2">yarn</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">add</span><span class="token plain"> react-native</span></div></div></div></div></div><p>This will print a message similar to the following (scroll up in the yarn output to see it):</p><blockquote><p>warning "<a href="mailto:react-native@0.52.2" target="_blank" rel="noopener noreferrer">react-native@0.52.2</a>" has unmet peer dependency "<a href="mailto:react@16.2.0" target="_blank" rel="noopener noreferrer">react@16.2.0</a>".</p></blockquote><p>This is OK, it means we also need to install React:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ </span><span class="token function" style="color:#79b6f2">yarn</span><span class="token plain"> </span><span class="token function" style="color:#79b6f2">add</span><span class="token plain"> react@version_printed_above</span></div></div></div></div></div><p>Yarn has created a new <code>/node_modules</code> folder. This folder stores all the JavaScript dependencies required to build your project.</p><p>Add <code>node_modules/</code> to your <code>.gitignore</code> file.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="3-install-cocoapods"></a>3. Install CocoaPods<a aria-hidden="true" tabindex="-1" class="hash-link" href="#3-install-cocoapods" title="Direct link to heading">#</a></h3><p><a href="http://cocoapods.org" target="_blank" rel="noopener noreferrer">CocoaPods</a> is a package management tool for iOS and macOS development. We use it to add the actual React Native framework code locally into your current project.</p><p>We recommend installing CocoaPods using <a href="http://brew.sh/" target="_blank" rel="noopener noreferrer">Homebrew</a>.</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ brew </span><span class="token function" style="color:#79b6f2">install</span><span class="token plain"> cocoapods</span></div></div></div></div></div><blockquote><p>It is technically possible not to use CocoaPods, but that would require manual library and linker additions that would overly complicate this process.</p></blockquote><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="adding-react-native-to-your-app"></a>Adding React Native to your app<a aria-hidden="true" tabindex="-1" class="hash-link" href="#adding-react-native-to-your-app" title="Direct link to heading">#</a></h2><p>Assume the <a href="https://github.com/JoelMarcey/iOS-2048" target="_blank" rel="noopener noreferrer">app for integration</a> is a <a href="https://en.wikipedia.org/wiki/2048_%28video_game%29" target="_blank" rel="noopener noreferrer">2048</a> game. Here is what the main menu of the native application looks like without React Native.</p><p><img alt="Before RN Integration" src="data:image/png;base64,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"></p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="command-line-tools-for-xcode"></a>Command Line Tools for Xcode<a aria-hidden="true" tabindex="-1" class="hash-link" href="#command-line-tools-for-xcode" title="Direct link to heading">#</a></h3><p>Install the Command Line Tools. Choose "Preferences..." in the Xcode menu. Go to the Locations panel and install the tools by selecting the most recent version in the Command Line Tools dropdown.</p><p><img alt="Xcode Command Line Tools" src="/assets/images/GettingStartedXcodeCommandLineTools-8259be8d3ab8575bec2b71988163c850.png"></p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="configuring-cocoapods-dependencies"></a>Configuring CocoaPods dependencies<a aria-hidden="true" tabindex="-1" class="hash-link" href="#configuring-cocoapods-dependencies" title="Direct link to heading">#</a></h3><p>Before you integrate React Native into your application, you will want to decide what parts of the React Native framework you would like to integrate. We will use CocoaPods to specify which of these "subspecs" your app will depend on.</p><p>The list of supported <code>subspec</code>s is available in <a href="https://github.com/facebook/react-native/blob/master/React.podspec" target="_blank" rel="noopener noreferrer"><code>/node_modules/react-native/React.podspec</code></a>. They are generally named by functionality. For example, you will generally always want the <code>Core</code> <code>subspec</code>. That will get you the <code>AppRegistry</code>, <code>StyleSheet</code>, <code>View</code> and other core React Native libraries. If you want to add the React Native <code>Text</code> library (e.g., for <code><Text></code> elements), then you will need the <code>RCTText</code> <code>subspec</code>. If you want the <code>Image</code> library (e.g., for <code><Image></code> elements), then you will need the <code>RCTImage</code> <code>subspec</code>.</p><p>You can specify which <code>subspec</code>s your app will depend on in a <code>Podfile</code> file. The easiest way to create a <code>Podfile</code> is by running the CocoaPods <code>init</code> command in the <code>/ios</code> subfolder of your project:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ pod init</span></div></div></div></div></div><p>The <code>Podfile</code> will contain a boilerplate setup that you will tweak for your integration purposes.</p><blockquote><p>The <code>Podfile</code> version changes depending on your version of <code>react-native</code>. Refer to <a href="https://react-native-community.github.io/upgrade-helper/" target="_blank" rel="noopener noreferrer">https://react-native-community.github.io/upgrade-helper/</a> for the specific version of <code>Podfile</code> you should be using.</p></blockquote><p>Ultimately, your <code>Podfile</code> should look something similar to this:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-jsx codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"># The target name is most likely the name </span><span class="token keyword" style="color:#c5a5c5">of</span><span class="token plain"> your project</span><span class="token punctuation" style="color:#657b83">.</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">target </span><span class="token string" style="color:#8dc891">'NumberTileGame'</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">do</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
|
|
</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> # Your </span><span class="token string" style="color:#8dc891">'node_modules'</span><span class="token plain"> directory is probably </span><span class="token keyword" style="color:#c5a5c5">in</span><span class="token plain"> the root </span><span class="token keyword" style="color:#c5a5c5">of</span><span class="token plain"> your project</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> # but </span><span class="token keyword" style="color:#c5a5c5">if</span><span class="token plain"> not</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> adjust the </span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token template-string string" style="color:#8dc891">:path</span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token plain"> accordingly</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'FBLazyVector'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/Libraries/FBLazyVector"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'FBReactNativeSpec'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/Libraries/FBReactNativeSpec"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'RCTRequired'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/Libraries/RCTRequired"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'RCTTypeSafety'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/Libraries/TypeSafety"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-Core'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-CoreModules'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/React/CoreModules'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-Core/DevSupport'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTActionSheet'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/ActionSheetIOS'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTAnimation'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/NativeAnimation'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTBlob'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Blob'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTImage'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Image'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTLinking'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/LinkingIOS'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTNetwork'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Network'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTSettings'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Settings'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTText'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Text'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-RCTVibration'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/Libraries/Vibration'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-Core/RCTWebSocket'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-cxxreact'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/ReactCommon/cxxreact'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-jsi'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/ReactCommon/jsi'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-jsiexecutor'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/ReactCommon/jsiexecutor'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'React-jsinspector'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/ReactCommon/jsinspector'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'ReactCommon/callinvoker'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/ReactCommon"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'ReactCommon/turbomodule/core'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">"../node_modules/react-native/ReactCommon"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'Yoga'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">path</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/ReactCommon/yoga'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'DoubleConversion'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">podspec</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/third-party-podspecs/DoubleConversion.podspec'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'glog'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">podspec</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/third-party-podspecs/glog.podspec'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> pod </span><span class="token string" style="color:#8dc891">'Folly'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token parameter">podspec</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'../node_modules/react-native/third-party-podspecs/Folly.podspec'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">end</span></div></div></div></div></div><p>After you have created your <code>Podfile</code>, you are ready to install the React Native pod.</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ pod </span><span class="token function" style="color:#79b6f2">install</span></div></div></div></div></div><p>You should see output such as:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-jsx codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Analyzing dependencies</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Fetching podspec </span><span class="token keyword" style="color:#c5a5c5">for</span><span class="token plain"> </span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token template-string string" style="color:#8dc891">React</span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">from</span><span class="token plain"> </span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token template-string string" style="color:#8dc891">../node_modules/react-native</span><span class="token template-string template-punctuation string" style="color:#8dc891">`</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Downloading dependencies</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Installing </span><span class="token function" style="color:#79b6f2">React</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token number" style="color:#5a9bcf">0.62</span><span class="token number" style="color:#5a9bcf">.0</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Generating Pods project</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Integrating client project</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Sending stats</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">Pod installation complete</span><span class="token operator" style="color:#fc929e">!</span><span class="token plain"> There are </span><span class="token number" style="color:#5a9bcf">3</span><span class="token plain"> dependencies </span><span class="token keyword" style="color:#c5a5c5">from</span><span class="token plain"> the Podfile and </span><span class="token number" style="color:#5a9bcf">1</span><span class="token plain"> total pod installed</span><span class="token punctuation" style="color:#657b83">.</span></div></div></div></div></div><blockquote><p>If this fails with errors mentioning <code>xcrun</code>, make sure that in Xcode in <strong>Preferences > Locations</strong> the Command Line Tools are assigned.</p></blockquote><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="code-integration"></a>Code integration<a aria-hidden="true" tabindex="-1" class="hash-link" href="#code-integration" title="Direct link to heading">#</a></h3><p>Now we will actually modify the native iOS application to integrate React Native. For our 2048 sample app, we will add a "High Score" screen in React Native.</p><h4><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="the-react-native-component"></a>The React Native component<a aria-hidden="true" tabindex="-1" class="hash-link" href="#the-react-native-component" title="Direct link to heading">#</a></h4><p>The first bit of code we will write is the actual React Native code for the new "High Score" screen that will be integrated into our application.</p><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="1-create-a-indexjs-file"></a>1. Create a <code>index.js</code> file<a aria-hidden="true" tabindex="-1" class="hash-link" href="#1-create-a-indexjs-file" title="Direct link to heading">#</a></h5><p>First, create an empty <code>index.js</code> file in the root of your React Native project.</p><p><code>index.js</code> is the starting point for React Native applications, and it is always required. It can be a small file that <code>require</code>s other file that are part of your React Native component or application, or it can contain all the code that is needed for it. In our case, we will put everything in <code>index.js</code>.</p><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="2-add-your-react-native-code"></a>2. Add your React Native code<a aria-hidden="true" tabindex="-1" class="hash-link" href="#2-add-your-react-native-code" title="Direct link to heading">#</a></h5><p>In your <code>index.js</code>, create your component. In our sample here, we will add a <code><Text></code> component within a styled <code><View></code></p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-jsx codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token keyword" style="color:#c5a5c5">import</span><span class="token plain"> React </span><span class="token keyword" style="color:#c5a5c5">from</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'react'</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">import</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> AppRegistry</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> StyleSheet</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> Text</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> View</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">from</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'react-native'</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">class</span><span class="token plain"> </span><span class="token class-name" style="color:#fac863">RNHighScores</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">extends</span><span class="token plain"> </span><span class="token class-name" style="color:#fac863">React</span><span class="token class-name punctuation" style="color:#657b83">.</span><span class="token class-name" style="color:#fac863">Component</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token function" style="color:#79b6f2">render</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">var</span><span class="token plain"> contents </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">this</span><span class="token punctuation" style="color:#657b83">.</span><span class="token plain">props</span><span class="token punctuation" style="color:#657b83">[</span><span class="token string" style="color:#8dc891">'scores'</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">map</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">(</span><span class="token parameter">score</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag" style="color:#fc929e"> </span><span class="token tag attr-name" style="color:#c5a5c5">key</span><span class="token tag script language-javascript script-punctuation punctuation" style="color:#657b83">=</span><span class="token tag script language-javascript punctuation" style="color:#657b83">{</span><span class="token tag script language-javascript" style="color:#fc929e">score</span><span class="token tag script language-javascript punctuation" style="color:#657b83">.</span><span class="token tag script language-javascript" style="color:#fc929e">name</span><span class="token tag script language-javascript punctuation" style="color:#657b83">}</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain">score</span><span class="token punctuation" style="color:#657b83">.</span><span class="token plain">name</span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">:</span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain">score</span><span class="token punctuation" style="color:#657b83">.</span><span class="token plain">value</span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token string" style="color:#8dc891">'\n'</span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token keyword" style="color:#c5a5c5">return</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">View</span><span class="token tag" style="color:#fc929e"> </span><span class="token tag attr-name" style="color:#c5a5c5">style</span><span class="token tag script language-javascript script-punctuation punctuation" style="color:#657b83">=</span><span class="token tag script language-javascript punctuation" style="color:#657b83">{</span><span class="token tag script language-javascript" style="color:#fc929e">styles</span><span class="token tag script language-javascript punctuation" style="color:#657b83">.</span><span class="token tag script language-javascript" style="color:#fc929e">container</span><span class="token tag script language-javascript punctuation" style="color:#657b83">}</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag" style="color:#fc929e"> </span><span class="token tag attr-name" style="color:#c5a5c5">style</span><span class="token tag script language-javascript script-punctuation punctuation" style="color:#657b83">=</span><span class="token tag script language-javascript punctuation" style="color:#657b83">{</span><span class="token tag script language-javascript" style="color:#fc929e">styles</span><span class="token tag script language-javascript punctuation" style="color:#657b83">.</span><span class="token tag script language-javascript" style="color:#fc929e">highScoresTitle</span><span class="token tag script language-javascript punctuation" style="color:#657b83">}</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">2048</span><span class="token plain"> High Scores</span><span class="token operator" style="color:#fc929e">!</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag" style="color:#fc929e"> </span><span class="token tag attr-name" style="color:#c5a5c5">style</span><span class="token tag script language-javascript script-punctuation punctuation" style="color:#657b83">=</span><span class="token tag script language-javascript punctuation" style="color:#657b83">{</span><span class="token tag script language-javascript" style="color:#fc929e">styles</span><span class="token tag script language-javascript punctuation" style="color:#657b83">.</span><span class="token tag script language-javascript" style="color:#fc929e">scores</span><span class="token tag script language-javascript punctuation" style="color:#657b83">}</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain">contents</span><span class="token punctuation" style="color:#657b83">}</span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag class-name" style="color:#fac863">Text</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag class-name" style="color:#fac863">View</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token keyword" style="color:#c5a5c5">const</span><span class="token plain"> styles </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> StyleSheet</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">create</span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> container</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> flex</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">1</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> justifyContent</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'center'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> alignItems</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'center'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> backgroundColor</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'#FFFFFF'</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> highScoresTitle</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> fontSize</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">20</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> textAlign</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'center'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> margin</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">10</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> scores</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> textAlign</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'center'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> color</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">'#333333'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> marginBottom</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token number" style="color:#5a9bcf">5</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token comment" style="color:#93a1a1">// Module name</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">AppRegistry</span><span class="token punctuation" style="color:#657b83">.</span><span class="token function" style="color:#79b6f2">registerComponent</span><span class="token punctuation" style="color:#657b83">(</span><span class="token string" style="color:#8dc891">'RNHighScores'</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">=></span><span class="token plain"> RNHighScores</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span></div></div></div></div></div><blockquote><p><code>RNHighScores</code> is the name of your module that will be used when you add a view to React Native from within your iOS application.</p></blockquote><h4><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="the-magic-rctrootview"></a>The Magic: <code>RCTRootView</code><a aria-hidden="true" tabindex="-1" class="hash-link" href="#the-magic-rctrootview" title="Direct link to heading">#</a></h4><p>Now that your React Native component is created via <code>index.js</code>, you need to add that component to a new or existing <code>ViewController</code>. The easiest path to take is to optionally create an event path to your component and then add that component to an existing <code>ViewController</code>.</p><p>We will tie our React Native component with a new native view in the <code>ViewController</code> that will actually contain it called <code>RCTRootView</code> .</p><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="1-create-an-event-path"></a>1. Create an Event Path<a aria-hidden="true" tabindex="-1" class="hash-link" href="#1-create-an-event-path" title="Direct link to heading">#</a></h5><p>You can add a new link on the main game menu to go to the "High Score" React Native page.</p><p><img alt="Event Path" src="data:image/png;base64,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"></p><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="2-event-handler"></a>2. Event Handler<a aria-hidden="true" tabindex="-1" class="hash-link" href="#2-event-handler" title="Direct link to heading">#</a></h5><p>We will now add an event handler from the menu link. A method will be added to the main <code>ViewController</code> of your application. This is where <code>RCTRootView</code> comes into play.</p><p>When you build a React Native application, you use the <a href="https://facebook.github.io/metro/" target="_blank" rel="noopener noreferrer">Metro bundler</a> to create an <code>index.bundle</code> that will be served by the React Native server. Inside <code>index.bundle</code> will be our <code>RNHighScore</code> module. So, we need to point our <code>RCTRootView</code> to the location of the <code>index.bundle</code> resource (via <code>NSURL</code>) and tie it to the module.</p><p>We will, for debugging purposes, log that the event handler was invoked. Then, we will create a string with the location of our React Native code that exists inside the <code>index.bundle</code>. Finally, we will create the main <code>RCTRootView</code>. Notice how we provide <code>RNHighScores</code> as the <code>moduleName</code> that we created <a href="#the-react-native-component">above</a> when writing the code for our React Native component.</p><p>First <code>import</code> the <code>RCTRootView</code> header.</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-objectivec codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token macro property" style="color:#2aa198">#</span><span class="token macro property directive keyword" style="color:#c5a5c5">import</span><span class="token macro property" style="color:#2aa198"> <React/RCTRootView.h></span></div></div></div></div></div><blockquote><p>The <code>initialProperties</code> are here for illustration purposes so we have some data for our high score screen. In our React Native component, we will use <code>this.props</code> to get access to that data.</p></blockquote><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-objectivec codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token operator" style="color:#fc929e">-</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">IBAction</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain">highScoreButtonPressed</span><span class="token punctuation" style="color:#657b83">:</span><span class="token punctuation" style="color:#657b83">(</span><span class="token plain">id</span><span class="token punctuation" style="color:#657b83">)</span><span class="token plain">sender </span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token function" style="color:#79b6f2">NSLog</span><span class="token punctuation" style="color:#657b83">(</span><span class="token string" style="color:#8dc891">@"High Score Button Pressed"</span><span class="token punctuation" style="color:#657b83">)</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> NSURL </span><span class="token operator" style="color:#fc929e">*</span><span class="token plain">jsCodeLocation </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">NSURL URLWithString</span><span class="token punctuation" style="color:#657b83">:</span><span class="token string" style="color:#8dc891">@"http://localhost:8081/index.bundle?platform=ios"</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain" style="display:inline-block">
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</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> RCTRootView </span><span class="token operator" style="color:#fc929e">*</span><span class="token plain">rootView </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">RCTRootView alloc</span><span class="token punctuation" style="color:#657b83">]</span><span class="token plain"> initWithBundleURL</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> jsCodeLocation</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> moduleName</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"RNHighScores"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> initialProperties</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token operator" style="color:#fc929e">@</span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"scores"</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token operator" style="color:#fc929e">@</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token operator" style="color:#fc929e">@</span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"name"</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"Alex"</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"value"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"42"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token operator" style="color:#fc929e">@</span><span class="token punctuation" style="color:#657b83">{</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"name"</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"Joel"</span><span class="token punctuation" style="color:#657b83">,</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"value"</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> </span><span class="token string" style="color:#8dc891">@"10"</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">]</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">}</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> launchOptions</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain"> nil</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> UIViewController </span><span class="token operator" style="color:#fc929e">*</span><span class="token plain">vc </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token punctuation" style="color:#657b83">[</span><span class="token plain">UIViewController alloc</span><span class="token punctuation" style="color:#657b83">]</span><span class="token plain"> init</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> vc</span><span class="token punctuation" style="color:#657b83">.</span><span class="token plain">view </span><span class="token operator" style="color:#fc929e">=</span><span class="token plain"> rootView</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token punctuation" style="color:#657b83">[</span><span class="token keyword" style="color:#c5a5c5">self</span><span class="token plain"> presentViewController</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain">vc animated</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain">YES completion</span><span class="token punctuation" style="color:#657b83">:</span><span class="token plain">nil</span><span class="token punctuation" style="color:#657b83">]</span><span class="token punctuation" style="color:#657b83">;</span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token punctuation" style="color:#657b83">}</span></div></div></div></div></div><blockquote><p>Note that <code>RCTRootView initWithURL</code> starts up a new JSC VM. To save resources and simplify the communication between RN views in different parts of your native app, you can have multiple views powered by React Native that are associated with a single JS runtime. To do that, instead of using <code>[RCTRootView alloc] initWithURL</code>, use <a href="https://github.com/facebook/react-native/blob/master/React/Base/RCTBridge.h#L93" target="_blank" rel="noopener noreferrer"><code>RCTBridge initWithBundleURL</code></a> to create a bridge and then use <code>RCTRootView initWithBridge</code>.</p></blockquote><blockquote><p>When moving your app to production, the <code>NSURL</code> can point to a pre-bundled file on disk via something like <code>[[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];</code>. You can use the <code>react-native-xcode.sh</code> script in <code>node_modules/react-native/scripts/</code> to generate that pre-bundled file.</p></blockquote><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="3-wire-up"></a>3. Wire Up<a aria-hidden="true" tabindex="-1" class="hash-link" href="#3-wire-up" title="Direct link to heading">#</a></h5><p>Wire up the new link in the main menu to the newly added event handler method.</p><p><img alt="Event Path" src="/assets/images/react-native-add-react-native-integration-wire-up-37137857e0876d2aca7049db6d82fcb6.png"></p><blockquote><p>One of the easier ways to do this is to open the view in the storyboard and right click on the new link. Select something such as the <code>Touch Up Inside</code> event, drag that to the storyboard and then select the created method from the list provided.</p></blockquote><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="test-your-integration"></a>Test your integration<a aria-hidden="true" tabindex="-1" class="hash-link" href="#test-your-integration" title="Direct link to heading">#</a></h3><p>You have now done all the basic steps to integrate React Native with your current application. Now we will start the <a href="https://facebook.github.io/metro/" target="_blank" rel="noopener noreferrer">Metro bundler</a> to build the <code>index.bundle</code> package and the server running on <code>localhost</code> to serve it.</p><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="1-add-app-transport-security-exception"></a>1. Add App Transport Security exception<a aria-hidden="true" tabindex="-1" class="hash-link" href="#1-add-app-transport-security-exception" title="Direct link to heading">#</a></h5><p>Apple has blocked implicit cleartext HTTP resource loading. So we need to add the following our project's <code>Info.plist</code> (or equivalent) file.</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-xml codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain">NSAppTransportSecurity</span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain">NSExceptionDomains</span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain">localhost</span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain">NSTemporaryExceptionAllowsInsecureHTTPLoads</span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">key</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"><</span><span class="token tag" style="color:#fc929e">true</span><span class="token tag punctuation" style="color:#657b83">/></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span><span class="token plain"></span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"></span><span class="token tag punctuation" style="color:#657b83"></</span><span class="token tag" style="color:#fc929e">dict</span><span class="token tag punctuation" style="color:#657b83">></span></div></div></div></div></div><blockquote><p>App Transport Security is good for your users. Make sure to re-enable it prior to releasing your app for production.</p></blockquote><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="2-run-the-packager"></a>2. Run the packager<a aria-hidden="true" tabindex="-1" class="hash-link" href="#2-run-the-packager" title="Direct link to heading">#</a></h5><p>To run your app, you need to first start the development server. To do this, run the following command in the root directory of your React Native project:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-shell codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ </span><span class="token function" style="color:#79b6f2">npm</span><span class="token plain"> start</span></div></div></div></div></div><h5><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="3-run-the-app"></a>3. Run the app<a aria-hidden="true" tabindex="-1" class="hash-link" href="#3-run-the-app" title="Direct link to heading">#</a></h5><p>If you are using Xcode or your favorite editor, build and run your native iOS application as normal. Alternatively, you can run the app from the command line using:</p><div class="mdxCodeBlock_xYIz"><div class="codeBlockContent_rlEb"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_kOW4">Copy</button><div class="prism-code language-jsx codeBlock_1AP7"><div class="codeBlockLines_1boI" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain"># From the root </span><span class="token keyword" style="color:#c5a5c5">of</span><span class="token plain"> your project</span></div><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">$ npx react</span><span class="token operator" style="color:#fc929e">-</span><span class="token plain">native run</span><span class="token operator" style="color:#fc929e">-</span><span class="token plain">ios</span></div></div></div></div></div><p>In our sample application, you should see the link to the "High Scores" and then when you click on that you will see the rendering of your React Native component.</p><p>Here is the <em>native</em> application home screen:</p><p><img alt="Home Screen" src="data:image/png;base64,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"></p><p>Here is the <em>React Native</em> high score screen:</p><p><img alt="High Scores" src="data:image/png;base64,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"></p><blockquote><p>If you are getting module resolution issues when running your application please see <a href="https://github.com/facebook/react-native/issues/4968" target="_blank" rel="noopener noreferrer">this GitHub issue</a> for information and possible resolution. <a href="https://github.com/facebook/react-native/issues/4968#issuecomment-220941717" target="_blank" rel="noopener noreferrer">This comment</a> seemed to be the latest possible resolution.</p></blockquote><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="see-the-code"></a>See the Code<a aria-hidden="true" tabindex="-1" class="hash-link" href="#see-the-code" title="Direct link to heading">#</a></h3><p>You can examine the code that added the React Native screen to our sample app on <a href="https://github.com/JoelMarcey/iOS-2048/commit/9ae70c7cdd53eb59f5f7c7daab382b0300ed3585" target="_blank" rel="noopener noreferrer">GitHub</a>.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_3pqN" id="now-what"></a>Now what?<a aria-hidden="true" tabindex="-1" class="hash-link" href="#now-what" title="Direct link to heading">#</a></h3><p>At this point you can continue developing your app as usual. Refer to our <a href="/docs/debugging">debugging</a> and <a href="/docs/running-on-device">deployment</a> docs to learn more about working with React Native.</p></div></article><div class="docMetadata margin-vert--xl"><div class="row"><div class="col"><a href="https://github.com/facebook/react-native-website/blob/master/website/versioned_docs/version-0.63/_integration-with-exisiting-apps-objc.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="1.2em" width="1.2em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 40 40" style="margin-right:0.3em;vertical-align:sub"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col text--right"><em><small class="docMetadata-updated">Last updated on <time datetime="2020-10-29T04:19:29.000Z" class="docLastUpdatedAt_1gIo">10/29/2020</time></small></em></div></div></div><div class="margin-vert--lg"><nav class="pagination-nav" aria-label="Blog list page navigation"><div class="pagination-nav__item"></div><div class="pagination-nav__item pagination-nav__item--next"></div></nav></div></div></div><div class="col col--3"><div class="tableOfContents_3iuQ"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#key-concepts" class="table-of-contents__link">Key Concepts</a></li><li><a href="#prerequisites" class="table-of-contents__link">Prerequisites</a><ul><li><a href="#1-set-up-directory-structure" class="table-of-contents__link">1. Set up directory structure</a></li><li><a href="#2-install-javascript-dependencies" class="table-of-contents__link">2. Install JavaScript dependencies</a></li><li><a href="#3-install-cocoapods" class="table-of-contents__link">3. Install CocoaPods</a></li></ul></li><li><a href="#adding-react-native-to-your-app" class="table-of-contents__link">Adding React Native to your app</a><ul><li><a href="#command-line-tools-for-xcode" class="table-of-contents__link">Command Line Tools for Xcode</a></li><li><a href="#configuring-cocoapods-dependencies" class="table-of-contents__link">Configuring CocoaPods dependencies</a></li><li><a href="#code-integration" class="table-of-contents__link">Code integration</a></li><li><a href="#test-your-integration" class="table-of-contents__link">Test your integration</a></li><li><a href="#see-the-code" class="table-of-contents__link">See the Code</a></li><li><a href="#now-what" class="table-of-contents__link">Now what?</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container"><div class="row footer__links"><div class="col footer__col"><h4 class="footer__title">Docs</h4><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/docs/getting-started">Getting Started</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/tutorial">Tutorial</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/components-and-apis">Components and APIs</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/more-resources">More Resources</a></li></ul></div><div class="col footer__col"><h4 class="footer__title">Community</h4><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/help">The React Native Community</a></li><li class="footer__item"><a class="footer__link-item" href="/showcase">Who's using React Native?</a></li><li class="footer__item"><a href="https://stackoverflow.com/questions/tagged/react-native" target="_blank" rel="noopener noreferrer" class="footer__link-item">Ask Questions on Stack Overflow</a></li><li class="footer__item"><a href="https://github.com/facebook/react-native/blob/master/CONTRIBUTING.md" target="_blank" rel="noopener noreferrer" class="footer__link-item">Contributor Guide</a></li><li class="footer__item"><a href="https://dev.to/t/reactnative" target="_blank" rel="noopener noreferrer" class="footer__link-item">DEV Community</a></li></ul></div><div class="col footer__col"><h4 class="footer__title">Find us</h4><ul class="footer__items"><li class="footer__item"><a class="footer__link-item" href="/blog">Blog</a></li><li class="footer__item"><a href="https://twitter.com/reactnative" target="_blank" rel="noopener noreferrer" class="footer__link-item">Twitter</a></li><li class="footer__item"><a href="https://github.com/facebook/react-native" target="_blank" rel="noopener noreferrer" class="footer__link-item">GitHub</a></li></ul></div><div class="col footer__col"><h4 class="footer__title">More</h4><ul class="footer__items"><li class="footer__item"><a href="https://reactjs.org/" target="_blank" rel="noopener noreferrer" class="footer__link-item">React</a></li><li class="footer__item"><a href="https://opensource.facebook.com/legal/privacy" target="_blank" rel="noopener noreferrer" class="footer__link-item">Privacy Policy</a></li><li class="footer__item"><a href="https://opensource.facebook.com/legal/terms" target="_blank" rel="noopener noreferrer" class="footer__link-item">Terms of Service</a></li></ul></div></div><div class="text--center"><div class="margin-bottom--sm"><a href="https://opensource.facebook.com" target="_blank" rel="noopener noreferrer" class="footerLogoLink_19Ac"><img class="footer__logo" alt="Facebook Open Source Logo" src="/img/oss_logo.png"></a></div><div>Copyright © 2020 Facebook, Inc.</div></div></div></footer></div>
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