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<!DOCTYPE html><html><head><title>Upgrading to new React Native versions</title><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="viewport" content="width=device-width"><meta property="fb:app_id" content="1677033832619985"><meta property="fb:admins" content="121800083"><meta property="og:site_name" content="React Native"><meta property="og:title" content="Upgrading to new React Native versions"><meta property="og:url" content="https://facebook.github.io/react-native/index.html"><meta property="og:image" content="https://facebook.github.io/react-native/img/opengraph.png"><meta property="og:description" content="A framework for building native apps using React"><meta name="twitter:site" content="@reactnative"><meta name="twitter:card" content="summary_large_image"><meta property="og:type" content="website"><base href="/react-native/"><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"><link rel="shortcut icon" href="img/favicon.png?2"><link rel="stylesheet" href="css/react-native.css"><link rel="stylesheet" href="css/prism.css"><link rel="alternate" type="application/rss+xml" title="React Native Blog" href="https://facebook.github.io/react-native/blog/feed.xml"><link href="//cdn-images.mailchimp.com/embedcode/horizontal-slim-10_7.css" rel="stylesheet" type="text/css"><script type="text/javascript" src="//use.typekit.net/vqa1hcx.js"></script><script type="text/javascript">try{Typekit.load();}catch(e){}</script></head><body><script>window.fbAsyncInit = function() {FB.init({appId:'1677033832619985',xfbml:true,version:'v2.7'});};(function(d, s, id){var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) {return;}js = d.createElement(s); js.id = id;js.src = '//connect.facebook.net/en_US/sdk.js';fjs.parentNode.insertBefore(js, fjs);}(document, 'script','facebook-jssdk'));</script><script>window.twttr=(function(d,s, id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src='https://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js, fjs);t._e = [];t.ready = function(f) {t._e.push(f);};return t;}(document, 'script', 'twitter-wjs'));</script><div class="container"><div class="nav-main"><div class="wrap"><a class="nav-home" href=""><img src="img/header_logo.png">React Native</a><a class="nav-version" href="/react-native/versions.html">0.48</a><div class="nav-site-wrapper"><ul class="nav-site nav-site-internal"><li><a href="docs/getting-started.html" class="active" data-target=".nav-docs">Docs</a></li><li><a href="/react-native/support.html" class="">Help</a></li><li><a href="/react-native/blog/" class="">Blog</a></li></ul><div class="algolia-search-wrapper"><input id="algolia-doc-search" tabindex="0" type="text" placeholder="Search docs..."></div><ul class="nav-site nav-site-external"><li><a href="https://github.com/facebook/react-native" class="">GitHub</a></li><li><a href="http://facebook.github.io/react" class="">React</a></li></ul></div></div></div><section class="content wrap documentationContent"><div class="nav-docs"><div class="nav-docs-viewport"><div class="nav-docs-section"><h3>The Basics</h3><ul><li><a style="margin-left:10px;" class="" href="docs/getting-started.html">Getting Started</a></li><li><a style="margin-left:10px;" class="" href="docs/tutorial.html">Learn the Basics</a></li><li><a style="margin-left:10px;" class="" href="docs/props.html">Props</a></li><li><a style="margin-left:10px;" class="" href="docs/state.html">State</a></li><li><a style="margin-left:10px;" class="" href="docs/style.html">Style</a></li><li><a style="margin-left:10px;" class="" href="docs/height-and-width.html">Height and Width</a></li><li><a style="margin-left:10px;" class="" href="docs/flexbox.html">Layout with Flexbox</a></li><li><a style="margin-left:10px;" class="" href="docs/handling-text-input.html">Handling Text Input</a></li><li><a style="margin-left:10px;" class="" href="docs/handling-touches.html">Handling Touches</a></li><li><a style="margin-left:10px;" class="" href="docs/using-a-scrollview.html">Using a ScrollView</a></li><li><a style="margin-left:10px;" class="" href="docs/using-a-listview.html">Using List Views</a></li><li><a style="margin-left:10px;" class="" href="docs/network.html">Networking</a></li><li><a style="margin-left:10px;" class="" href="docs/more-resources.html">More Resources</a></li></ul></div><div class="nav-docs-section"><h3>Guides</h3><ul><li><a style="margin-left:10px;" class="" href="docs/components-and-apis.html">Components and APIs</a></li><li><a style="margin-left:10px;" class="" href="docs/platform-specific-code.html">Platform Specific Code</a></li><li><a style="margin-left:10px;" class="" href="docs/navigation.html">Navigating Between Screens</a></li><li><a style="margin-left:10px;" class="" href="docs/images.html">Images</a></li><li><a style="margin-left:10px;" class="" href="docs/animations.html">Animations</a></li><li><a style="margin-left:10px;" class="" href="docs/accessibility.html">Accessibility</a></li><li><a style="margin-left:10px;" class="" href="docs/timers.html">Timers</a></li><li><a style="margin-left:10px;" class="" href="docs/debugging.html">Debugging</a></li><li><a style="margin-left:10px;" class="" href="docs/performance.html">Performance</a></li><li><a style="margin-left:10px;" class="" href="docs/gesture-responder-system.html">Gesture Responder System</a></li><li><a style="margin-left:10px;" class="" href="docs/javascript-environment.html">JavaScript Environment</a></li><li><a style="margin-left:10px;" class="" href="docs/direct-manipulation.html">Direct Manipulation</a></li><li><a style="margin-left:10px;" class="" href="docs/colors.html">Color Reference</a></li><li><a style="margin-left:10px;" class="" href="docs/integration-with-existing-apps.html">Integration With Existing Apps</a></li><li><a style="margin-left:10px;" class="" href="docs/running-on-device.html">Running On Device</a></li><li><a style="margin-left:10px;" class="active" href="docs/upgrading.html">Upgrading to new React Native versions</a></li></ul></div><div class="nav-docs-section"><h3>Guides (iOS)</h3><ul><li><a style="margin-left:10px;" class="" href="docs/native-modules-ios.html">Native Modules</a></li><li><a style="margin-left:10px;" class="" href="docs/native-components-ios.html">Native UI Components</a></li><li><a style="margin-left:10px;" class="" href="docs/linking-libraries-ios.html">Linking Libraries</a></li><li><a style="margin-left:10px;" class="" href="docs/running-on-simulator-ios.html">Running On Simulator</a></li><li><a style="margin-left:10px;" class="" href="docs/communication-ios.html">Communication between native and React Native</a></li><li><a style="margin-left:10px;" class="" href="docs/building-for-apple-tv.html">Building For Apple TV</a></li><li><a style="margin-left:10px;" class="" href="docs/app-extensions.html">App Extensions</a></li></ul></div><div class="nav-docs-section"><h3>Guides (Android)</h3><ul><li><a style="margin-left:10px;" class="" href="docs/native-modules-android.html">Native Modules</a></li><li><a style="margin-left:10px;" class="" href="docs/native-components-android.html">Native UI Components</a></li><li><a style="margin-left:10px;" class="" href="docs/headless-js-android.html">Headless JS</a></li><li><a style="margin-left:10px;" class="" href="docs/signed-apk-android.html">Generating Signed APK</a></li><li><a style="margin-left:10px;" class="" href="docs/android-building-from-source.html">Building React Native from source</a></li></ul></div><div class="nav-docs-section"><h3>Contributing</h3><ul><li><a style="margin-left:10px;" class="" href="docs/contributing.html">How to Contribute</a></li><li><a style="margin-left:10px;" class="" href="docs/testing.html">Testing your Changes</a></li><li><a style="margin-left:10px;" class="" href="docs/maintainers.html">What to Expect from Maintainers</a></li><li><a style="margin-left:10px;" class="" href="docs/understanding-cli.html">Understanding the CLI</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:10px;" class="" href="docs/activityindicator.html">ActivityIndicator</a></li><li><a style="margin-left:10px;" class="" href="docs/button.html">Button</a></li><li><a style="margin-left:10px;" class="" href="docs/datepickerios.html">DatePickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/flatlist.html">FlatList</a></li><li><a style="margin-left:10px;" class="" href="docs/image.html">Image</a></li><li><a style="margin-left:10px;" class="" href="docs/keyboardavoidingview.html">KeyboardAvoidingView</a></li><li><a style="margin-left:10px;" class="" href="docs/listview.html">ListView</a></li><li><a style="margin-left:10px;" class="" href="docs/maskedviewios.html">MaskedViewIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/modal.html">Modal</a></li><li><a style="margin-left:10px;" class="" href="docs/navigatorios.html">NavigatorIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/picker.html">Picker</a></li><li><a style="margin-left:10px;" class="" href="docs/pickerios.html">PickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/progressbarandroid.html">ProgressBarAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/progressviewios.html">ProgressViewIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/refreshcontrol.html">RefreshControl</a></li><li><a style="margin-left:10px;" class="" href="docs/scrollview.html">ScrollView</a></li><li><a style="margin-left:10px;" class="" href="docs/sectionlist.html">SectionList</a></li><li><a style="margin-left:10px;" class="" href="docs/segmentedcontrolios.html">SegmentedControlIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/slider.html">Slider</a></li><li><a style="margin-left:10px;" class="" href="docs/snapshotviewios.html">SnapshotViewIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/statusbar.html">StatusBar</a></li><li><a style="margin-left:10px;" class="" href="docs/switch.html">Switch</a></li><li><a style="margin-left:10px;" class="" href="docs/tabbarios.html">TabBarIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/tabbarios-item.html">TabBarIOS.Item</a></li><li><a style="margin-left:10px;" class="" href="docs/text.html">Text</a></li><li><a style="margin-left:10px;" class="" href="docs/textinput.html">TextInput</a></li><li><a style="margin-left:10px;" class="" href="docs/toolbarandroid.html">ToolbarAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablehighlight.html">TouchableHighlight</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li><a style="margin-left:10px;" class="" href="docs/touchableopacity.html">TouchableOpacity</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li><a style="margin-left:10px;" class="" href="docs/view.html">View</a></li><li><a style="margin-left:10px;" class="" href="docs/viewpagerandroid.html">ViewPagerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/virtualizedlist.html">VirtualizedList</a></li><li><a style="margin-left:10px;" class="" href="docs/webview.html">WebView</a></li></ul></div><div class="nav-docs-section"><h3>APIs</h3><ul><li><a style="margin-left:10px;" class="" href="docs/accessibilityinfo.html">AccessibilityInfo</a></li><li><a style="margin-left:10px;" class="" href="docs/actionsheetios.html">ActionSheetIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/alert.html">Alert</a></li><li><a style="margin-left:10px;" class="" href="docs/alertios.html">AlertIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/animated.html">Animated</a></li><li><a style="margin-left:10px;" class="" href="docs/appregistry.html">AppRegistry</a></li><li><a style="margin-left:10px;" class="" href="docs/appstate.html">AppState</a></li><li><a style="margin-left:10px;" class="" href="docs/asyncstorage.html">AsyncStorage</a></li><li><a style="margin-left:10px;" class="" href="docs/backandroid.html">BackAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/backhandler.html">BackHandler</a></li><li><a style="margin-left:10px;" class="" href="docs/cameraroll.html">CameraRoll</a></li><li><a style="margin-left:10px;" class="" href="docs/clipboard.html">Clipboard</a></li><li><a style="margin-left:10px;" class="" href="docs/datepickerandroid.html">DatePickerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/dimensions.html">Dimensions</a></li><li><a style="margin-left:10px;" class="" href="docs/easing.html">Easing</a></li><li><a style="margin-left:10px;" class="" href="docs/geolocation.html">Geolocation</a></li><li><a style="margin-left:10px;" class="" href="docs/imageeditor.html">ImageEditor</a></li><li><a style="margin-left:10px;" class="" href="docs/imagepickerios.html">ImagePickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/imagestore.html">ImageStore</a></li><li><a style="margin-left:10px;" class="" href="docs/interactionmanager.html">InteractionManager</a></li><li><a style="margin-left:10px;" class="" href="docs/keyboard.html">Keyboard</a></li><li><a style="margin-left:10px;" class="" href="docs/layoutanimation.html">LayoutAnimation</a></li><li><a style="margin-left:10px;" class="" href="docs/linking.html">Linking</a></li><li><a style="margin-left:10px;" class="" href="docs/netinfo.html">NetInfo</a></li><li><a style="margin-left:10px;" class="" href="docs/panresponder.html">PanResponder</a></li><li><a style="margin-left:10px;" class="" href="docs/permissionsandroid.html">PermissionsAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/pixelratio.html">PixelRatio</a></li><li><a style="margin-left:10px;" class="" href="docs/pushnotificationios.html">PushNotificationIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/settings.html">Settings</a></li><li><a style="margin-left:10px;" class="" href="docs/share.html">Share</a></li><li><a style="margin-left:10px;" class="" href="docs/statusbarios.html">StatusBarIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/stylesheet.html">StyleSheet</a></li><li><a style="margin-left:10px;" class="" href="docs/systrace.html">Systrace</a></li><li><a style="margin-left:10px;" class="" href="docs/timepickerandroid.html">TimePickerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/toastandroid.html">ToastAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/vibration.html">Vibration</a></li><li><a style="margin-left:10px;" class="" href="docs/vibrationios.html">VibrationIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/layout-props.html">Layout Props</a></li><li><a style="margin-left:10px;" class="" href="docs/shadow-props.html">Shadow Props</a></li><li><a style="margin-left:10px;" class="" href="docs/viewproptypes.html">ViewPropTypes</a></li><li><a style="margin-left:10px;" class="" href="docs/viewstyleproptypes.html">ViewStylePropTypes</a></li><li><a style="margin-left:10px;" class="" href="docs/textstyleproptypes.html">TextStylePropTypes</a></li><li><a style="margin-left:10px;" class="" href="docs/imagestyleproptypes.html">ImageStylePropTypes</a></li></ul></div></div></div><div class="inner-content"><a id="content"></a><h1><a class="anchor" name="upgrading-to-new-react-native-versions"></a>Upgrading to new React Native versions <a class="hash-link" href="docs/upgrading.html#upgrading-to-new-react-native-versions">#</a></h1><div><p>Upgrading to new versions of React Native will give you access to more APIs, views, developer tools and other goodies. Upgrading requires a small amount of effort, but we try to make it easy for you. The instructions are a bit different depending on whether you used <code>create-react-native-app</code> or <code>react-native init</code> to create your project.</p><h2><a class="anchor" name="create-react-native-app-projects"></a>Create React Native App projects <a class="hash-link" href="docs/upgrading.html#create-react-native-app-projects">#</a></h2><p>Upgrading your Create React Native App project to a new version of React Native requires updating the <code>react-native</code>, <code>react</code>, and <code>expo</code> package versions in your <code>package.json</code> file. Please refer to <a href="https://github.com/react-community/create-react-native-app/blob/master/VERSIONS.md" target="_blank">this document</a> to find out what versions are supported. You will also need to set the correct <code>sdkVersion</code> in your <code>app.json</code> file.</p><p>See the <a href="https://github.com/react-community/create-react-native-app/blob/master/react-native-scripts/template/README.md#updating-to-new-releases" target="_blank">CRNA user guide</a> for up-to-date information about upgrading your project.</p><h2><a class="anchor" name="projects-built-with-native-code"></a>Projects built with native code <a class="hash-link" href="docs/upgrading.html#projects-built-with-native-code">#</a></h2><span><div class="banner-crna-ejected">
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<h3>Projects with Native Code Only</h3>
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<p>
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This section only applies to projects made with <code>react-native init</code> or to those made with Create React Native App which have since ejected. For more information about ejecting, please see the <a href="https://github.com/react-community/create-react-native-app/blob/master/EJECTING.md" target="_blank">guide</a> on the Create React Native App repository.
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</p>
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</div>
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</span><p>Because React Native projects built with native code are essentially made up of an Android project, an iOS project, and a JavaScript project, upgrading can be rather tricky. Here's what you need to do to upgrade from an older version of React Native.</p><h3><a class="anchor" name="upgrade-based-on-git"></a>Upgrade based on Git <a class="hash-link" href="docs/upgrading.html#upgrade-based-on-git">#</a></h3><p>The module <code>react-native-git-upgrade</code> provides a one-step operation to upgrade the source files with a minimum of conflicts. Under the hood, it consists in 2 phases:</p><ul><li>First, it computes a Git patch between both old and new template files,</li><li>Then, the patch is applied on the user's sources.</li></ul><blockquote><p><strong>IMPORTANT:</strong> You don't have to install the new version of the <code>react-native</code> package, it will be installed automatically.</p></blockquote><h4><a class="anchor" name="1-install-git"></a>1. Install Git <a class="hash-link" href="docs/upgrading.html#1-install-git">#</a></h4><p>While your project does not have to be handled by the Git versioning system -- you can use Mercurial, SVN, or nothing -- you will still need to <a href="https://git-scm.com/downloads" target="_blank">install Git</a> on your system in order to use <code>react-native-git-upgrade</code>. Git will also need to be available in the <code>PATH</code>.</p><h4><a class="anchor" name="2-install-the-react-native-git-upgrade-module"></a>2. Install the <code>react-native-git-upgrade</code> module <a class="hash-link" href="docs/upgrading.html#2-install-the-react-native-git-upgrade-module">#</a></h4><p>The <code>react-native-git-upgrade</code> module provides a CLI and must be installed globally:</p><div class="prism language-sh">$ npm install <span class="token operator">-</span>g react<span class="token operator">-</span>native<span class="token operator">-</span>git<span class="token operator">-</span>upgrade</div><h4><a class="anchor" name="3-run-the-command"></a>3. Run the command <a class="hash-link" href="docs/upgrading.html#3-run-the-command">#</a></h4><p>Run the following command to start the process of upgrading to the latest version:</p><div class="prism language-sh">$ react<span class="token operator">-</span>native<span class="token operator">-</span>git<span class="token operator">-</span>upgrade</div><blockquote><p>You may specify a React Native version by passing an argument: <code>react-native-git-upgrade X.Y</code></p></blockquote><p>The templates are upgraded in a optimized way. You still may encounter conflicts but only where the Git 3-way merge have failed, depending on the version and how you modified your sources.</p><h4><a class="anchor" name="4-resolve-the-conflicts"></a>4. Resolve the conflicts <a class="hash-link" href="docs/upgrading.html#4-resolve-the-conflicts">#</a></h4><p>Conflicted files include delimiters which make very clear where the changes come from. For example:</p><div class="prism language-javascript">13B07F951A680F5B00A75B9A <span class="token comment" spellcheck="true">/* Release */</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
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isa <span class="token operator">=</span> XCBuildConfiguration<span class="token punctuation">;</span>
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buildSettings <span class="token operator">=</span> <span class="token punctuation">{</span>
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ASSETCATALOG_COMPILER_APPICON_NAME <span class="token operator">=</span> AppIcon<span class="token punctuation">;</span>
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<span class="token operator"><<</span><span class="token operator"><<</span><span class="token operator"><<</span><span class="token operator"><</span> ours
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CODE_SIGN_IDENTITY <span class="token operator">=</span> <span class="token string">"iPhone Developer"</span><span class="token punctuation">;</span>
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FRAMEWORK_SEARCH_PATHS <span class="token operator">=</span> <span class="token punctuation">(</span>
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<span class="token string">"$(inherited)"</span><span class="token punctuation">,</span>
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<span class="token string">"$(PROJECT_DIR)/HockeySDK.embeddedframework"</span><span class="token punctuation">,</span>
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<span class="token string">"$(PROJECT_DIR)/HockeySDK-iOS/HockeySDK.embeddedframework"</span><span class="token punctuation">,</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token operator">===</span><span class="token operator">===</span><span class="token operator">=</span>
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CURRENT_PROJECT_VERSION <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span>
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<span class="token operator">>>></span><span class="token operator">>>></span><span class="token operator">></span> theirs
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HEADER_SEARCH_PATHS <span class="token operator">=</span> <span class="token punctuation">(</span>
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<span class="token string">"$(inherited)"</span><span class="token punctuation">,</span>
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<span class="token operator">/</span>Applications<span class="token operator">/</span>Xcode<span class="token punctuation">.</span>app<span class="token operator">/</span>Contents<span class="token operator">/</span>Developer<span class="token operator">/</span>Toolchains<span class="token operator">/</span>XcodeDefault<span class="token punctuation">.</span>xctoolchain<span class="token operator">/</span>usr<span class="token operator">/</span>include<span class="token punctuation">,</span>
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<span class="token string">"$(SRCROOT)/../node_modules/react-native/React/**"</span><span class="token punctuation">,</span>
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<span class="token string">"$(SRCROOT)/../node_modules/react-native-code-push/ios/CodePush/**"</span><span class="token punctuation">,</span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span></div><p>You can think of "ours" as "your team" and "theirs" as "the React Native dev team".</p><h3><a class="anchor" name="alternative"></a>Alternative <a class="hash-link" href="docs/upgrading.html#alternative">#</a></h3><p>Use this only in case the above didn't work.</p><h4><a class="anchor" name="1-upgrade-the-react-native-dependency"></a>1. Upgrade the <code>react-native</code> dependency <a class="hash-link" href="docs/upgrading.html#1-upgrade-the-react-native-dependency">#</a></h4><p>Note the latest version of the <code>react-native</code> npm package <a href="https://www.npmjs.com/package/react-native" target="_blank">from here</a> (or use <code>npm info react-native</code> to check).</p><p>Now install that version of <code>react-native</code> in your project with <code>npm install --save</code>:</p><div class="prism language-sh">$ npm install <span class="token operator">--</span>save react<span class="token operator">-</span>native@X<span class="token punctuation">.</span>Y
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# where X<span class="token punctuation">.</span>Y is the semantic version you are upgrading to
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npm WARN peerDependencies The peer dependency react@<span class="token operator">~</span>R included <span class="token keyword">from</span> react<span class="token operator">-</span>native<span class="token operator">...</span></div><p>If you saw a warning about the peerDependency, also upgrade <code>react</code> by running:</p><div class="prism language-sh">$ npm install <span class="token operator">--</span>save react@R
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# where R is the <span class="token keyword">new</span> <span class="token class-name">version</span> <span class="token keyword">of</span> react <span class="token keyword">from</span> the peerDependency warning you saw</div><h4><a class="anchor" name="2-upgrade-your-project-templates"></a>2. Upgrade your project templates <a class="hash-link" href="docs/upgrading.html#2-upgrade-your-project-templates">#</a></h4><p>The new npm package may contain updates to the files that are normally generated when you
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run <code>react-native init</code>, like the iOS and the Android sub-projects.</p><p>You may consult <a href="https://github.com/ncuillery/rn-diff" target="_blank">rn-diff</a> to see if there were changes in the project template files.
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In case there weren't any, simply rebuild the project and continue developing. In case of minor changes, you may update your project manually and rebuild.</p><p>If there were major changes, run this in a terminal to get these:</p><div class="prism language-sh">$ react<span class="token operator">-</span>native upgrade</div><p>This will check your files against the latest template and perform the following:</p><ul><li>If there is a new file in the template, it is simply created.</li><li>If a file in the template is identical to your file, it is skipped.</li><li>If a file is different in your project than the template, you will be prompted; you have options to keep your file or overwrite it with the template version.</li></ul><h2><a class="anchor" name="manual-upgrades"></a>Manual Upgrades <a class="hash-link" href="docs/upgrading.html#manual-upgrades">#</a></h2><p>Some upgrades require manual steps, e.g. 0.13 to 0.14, or 0.28 to 0.29. Be sure to check the <a href="https://github.com/facebook/react-native/releases" target="_blank">release notes</a> when upgrading so that you can identify any manual changes your particular project may require.</p></div><div class="docs-prevnext"><a class="docs-prev btn" href="docs/running-on-device.html#content">← Previous</a><a class="docs-next btn" href="docs/native-modules-ios.html#content">Continue Reading →</a></div><p class="edit-page-block"><a target="_blank" href="https://github.com/facebook/react-native/blob/master/docs/Upgrading.md">Improve this page</a> by sending a pull request!</p></div></section><footer class="nav-footer"><section class="sitemap"><a href="/react-native" class="nav-home"><img src="img/header_logo.png" alt="React Native" width="66" height="58"></a><div><h5><a href="docs/">Docs</a></h5><a href="docs/getting-started.html">Getting Started</a><a href="docs/tutorial.html">Learn the Basics</a><a href="docs/components-and-apis.html">Components and APIs</a><a href="docs/more-resources.html">More Resources</a></div><div><h5><a href="/react-native/support.html">Community</a></h5><a href="/react-native/showcase.html">Who's using React Native?</a><a href="http://www.meetup.com/topics/react-native/" target="_blank">Meetups</a><a href="https://www.facebook.com/groups/react.native.community" target="_blank">Facebook Group</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a></div><div><h5><a href="/react-native/support.html">Help</a></h5><a href="http://stackoverflow.com/questions/tagged/react-native" target="_blank">Stack Overflow</a><a href="https://discord.gg/0ZcbPKXt5bZjGY5n">Reactiflux Chat</a><a href="/react-native/versions.html" target="_blank">Latest Releases</a><a href="https://react-native.canny.io/feature-requests" target="_blank">Feature Requests</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="http://facebook.github.io/react/" target="_blank">React</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><div class="githubButton"><a class="github-button" href="https://github.com/facebook/react-native" data-icon="octicon-star" data-count-href="/facebook/react-native/stargazers" data-count-api="/repos/facebook/react-native#stargazers_count" data-count-aria-label="# stargazers on GitHub" aria-label="Star facebook/react-native on GitHub">Star</a></div></div></section><section class="newsletter"><div id="mc_embed_signup"><form action="//reactnative.us10.list-manage.com/subscribe/post?u=db0dd948e2b729ee62625b1a8&id=47cd41008f" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate><div id="mc_embed_signup_scroll"><label for="mce-EMAIL"><h5>Get the React Native Newsletter</h5></label><input type="email" value="" name="EMAIL" class="email" id="mce-EMAIL" placeholder="email address" required><div style="position:absolute;left:-5000px;" aria-hidden="true"><input type="text" name="b_db0dd948e2b729ee62625b1a8_47cd41008f" tabindex="-1" value=""></div><div class="clear"><input type="submit" value="Sign up" name="subscribe" id="mc-embedded-subscribe" class="button"></div></div></form></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"></a><section class="copyright">Copyright © 2017 Facebook Inc.</section></footer></div><div id="fb-root"></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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