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<html><head><meta charset="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1"/><title>Upgrading to new React Native versions · React Native</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta property="og:title" content="Upgrading to new React Native versions · React Native"/><meta property="og:type" content="website"/><meta property="og:url" content="https://facebook.github.io/react-native/index.html"/><meta property="og:description" content="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 `create-react-native-app` or `react-native init` to create your project."/><link rel="shortcut icon" href="/react-native/img/favicon.png"/><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/solarized-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://facebook.github.io/blog/atom.xml" title="React Native Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://facebook.github.io/blog/feed.xml" title="React Native Blog RSS Feed"/><script type="text/javascript" src="https://snack.expo.io/embed.js"></script><script type="text/javascript" src="/react-native/js/codeblocks.js"></script><link rel="stylesheet" href="/react-native/css/main.css"/></head><body class="sideNavVisible"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/react-native/"><img class="logo" src="/react-native/img/header_logo.png"/><h2 class="headerTitle">React Native</h2></a><a href="/react-native/versions.html"><h3>0.37</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li><a href="/react-native/docs/0.37/getting-started.html" target="_self">Docs</a></li><li><a href="/react-native/en/help.html" target="_self">Community</a></li><li><a href="/react-native/blog" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search"/></li><li><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li><li><a href="https://reactjs.org/" target="_self">React</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><i></i></div><h2><i>›</i><span>Guides</span></h2></div><div class="navGroups"><div class="navGroup navGroupActive"><h3>The Basics</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/getting-started.html">Getting Started</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/tutorial.html">Learn the Basics</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/props.html">Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/state.html">State</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/style.html">Style</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/height-and-width.html">Height and Width</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/flexbox.html">Layout with Flexbox</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/handling-text-input.html">Handling Text Input</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/handling-touches.html">Handling Touches</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/using-a-scrollview.html">Using a ScrollView</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/using-a-listview.html">Using List Views</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/network.html">Networking</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/more-resources.html">More Resources</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/components-and-apis.html">Components and APIs</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/platform-specific-code.html">Platform Specific Code</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/navigation.html">Navigating Between Screens</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/images.html">Images</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/animations.html">Animations</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/accessibility.html">Accessibility</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/improvingux.html">Improving User Experience</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/timers.html">Timers</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/debugging.html">Debugging</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/performance.html">Performance</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/gesture-responder-system.html">Gesture Responder System</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/javascript-environment.html">JavaScript Environment</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/direct-manipulation.html">Direct Manipulation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/colors.html">Color Reference</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/integration-with-existing-apps.html">Integration with Existing Apps</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/running-on-device.html">Running On Device</a></li><li class="navListItem navListItemActive"><a class="navItem navItemActive" href="/react-native/docs/0.37/upgrading.html">Upgrading to new React Native versions</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/troubleshooting.html">Troubleshooting</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides (iOS)</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/native-modules-ios.html">Native Modules</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/native-components-ios.html">Native UI Components</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/linking-libraries-ios.html">Linking Libraries</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/running-on-simulator-ios.html">Running On Simulator</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/communication-ios.html">Communication between native and React Native</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/building-for-apple-tv.html">Building For TV Devices</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/app-extensions.html">App Extensions</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides (Android)</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/native-modules-android.html">Native Modules</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/native-components-android.html">Native UI Components</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/headless-js-android.html">Headless JS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/signed-apk-android.html">Generating Signed APK</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/android-building-from-source.html">Building React Native from source</a></li></ul></div><div class="navGroup navGroupActive"><h3>Contributing</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/contributing.html">How to Contribute</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/maintainers.html">What to Expect from Maintainers</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/testing.html">Testing your Changes</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/understanding-cli.html">Understanding the CLI</a></li></ul></div><div class="navGroup navGroupActive"><h3>Components</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/activityindicator.html">ActivityIndicator</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/button.html">Button</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/datepickerios.html">DatePickerIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/image.html">Image</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/keyboardavoidingview.html">KeyboardAvoidingView</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/modal.html">Modal</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/navigatorios.html">NavigatorIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/picker.html">Picker</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/pickerios.html">PickerIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/progressbarandroid.html">ProgressBarAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/progressviewios.html">ProgressViewIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/refreshcontrol.html">RefreshControl</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/scrollview.html">ScrollView</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/segmentedcontrolios.html">SegmentedControlIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/slider.html">Slider</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/snapshotviewios.html">SnapshotViewIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/statusbar.html">StatusBar</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/switch.html">Switch</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/tabbarios.html">TabBarIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/tabbarios-item.html">TabBarIOS.Item</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/text.html">Text</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/textinput.html">TextInput</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/toolbarandroid.html">ToolbarAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/touchablehighlight.html">TouchableHighlight</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/touchableopacity.html">TouchableOpacity</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/viewpagerandroid.html">ViewPagerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/webview.html">WebView</a></li></ul></div><div class="navGroup navGroupActive"><h3>APIs</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/actionsheetios.html">ActionSheetIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/alert.html">Alert</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/alertios.html">AlertIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/animated.html">Animated</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/appregistry.html">AppRegistry</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/appstate.html">AppState</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/asyncstorage.html">AsyncStorage</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/cameraroll.html">CameraRoll</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/clipboard.html">Clipboard</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/datepickerandroid.html">DatePickerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/dimensions.html">Dimensions</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/easing.html">Easing</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/geolocation.html">Geolocation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/imageeditor.html">ImageEditor</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/imagepickerios.html">ImagePickerIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/imagestore.html">ImageStore</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/image-style-props.html">Image Style Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/interactionmanager.html">InteractionManager</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/keyboard.html">Keyboard</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/layout-props.html">Layout Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/layoutanimation.html">LayoutAnimation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/linking.html">Linking</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/netinfo.html">NetInfo</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/panresponder.html">PanResponder</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/permissionsandroid.html">PermissionsAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/pixelratio.html">PixelRatio</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/pushnotificationios.html">PushNotificationIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/settings.html">Settings</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/shadow-props.html">Shadow Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/share.html">Share</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/statusbarios.html">StatusBarIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/stylesheet.html">StyleSheet</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/systrace.html">Systrace</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/text-style-props.html">Text Style Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/timepickerandroid.html">TimePickerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/toastandroid.html">ToastAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/transforms.html">Transforms</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/vibration.html">Vibration</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/vibrationios.html">VibrationIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.37/view-style-props.html">View Style Props</a></li></ul></div></div></section></div><script>
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</script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/upgrading.md" target="_blank">Edit</a><h1>Upgrading to new React Native versions</h1></header><article><div><span><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" aria-hidden="true" name="create-react-native-app-projects"></a><a href="#create-react-native-app-projects" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Create React Native App projects</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">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">CRNA user guide</a> for up-to-date information about upgrading your project.</p>
<h2><a class="anchor" aria-hidden="true" name="projects-built-with-native-code"></a><a href="#projects-built-with-native-code" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Projects built with native code</h2>
<div class="banner-crna-ejected">
<h3>Projects with Native Code Only</h3>
<p>
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.
</p>
</div>
<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" aria-hidden="true" name="upgrade-based-on-git"></a><a href="#upgrade-based-on-git" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Upgrade based on Git</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" aria-hidden="true" name="1-install-git"></a><a href="#1-install-git" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>1. Install Git</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">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" aria-hidden="true" name="2-install-the-react-native-git-upgrade-module"></a><a href="#2-install-the-react-native-git-upgrade-module" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2. Install the <code>react-native-git-upgrade</code> module</h4>
<p>The <code>react-native-git-upgrade</code> module provides a CLI and must be installed globally:</p>
<pre><code class="hljs css sh">$ npm install -g react-native-git-upgrade
</code></pre>
<h4><a class="anchor" aria-hidden="true" name="3-run-the-command"></a><a href="#3-run-the-command" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>3. Run the command</h4>
<p>Run the following command to start the process of upgrading to the latest version:</p>
<pre><code class="hljs css sh">$ react-native-git-upgrade
</code></pre>
<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" aria-hidden="true" name="4-resolve-the-conflicts"></a><a href="#4-resolve-the-conflicts" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>4. Resolve the conflicts</h4>
<p>Conflicted files include delimiters which make very clear where the changes come from. For example:</p>
<pre><code class="hljs"><span class="hljs-number">13</span>B07F951A680F5B00A75B9A <span class="hljs-comment">/* Release */</span> = {
<span class="hljs-attr">isa</span> = XCBuildConfiguration;
<span class="hljs-attr">buildSettings</span> = {
<span class="hljs-attr">ASSETCATALOG_COMPILER_APPICON_NAME</span> = AppIcon;
&lt;&lt;&lt;&lt;&lt;&lt;&lt; ours
<span class="hljs-attr">CODE_SIGN_IDENTITY</span> = <span class="hljs-string">"iPhone Developer"</span>;
<span class="hljs-attr">FRAMEWORK_SEARCH_PATHS</span> = (
<span class="hljs-string">"$(inherited)"</span>,
<span class="hljs-string">"$(PROJECT_DIR)/HockeySDK.embeddedframework"</span>,
<span class="hljs-string">"$(PROJECT_DIR)/HockeySDK-iOS/HockeySDK.embeddedframework"</span>,
);
=======
<span class="hljs-attr">CURRENT_PROJECT_VERSION</span> = <span class="hljs-number">1</span>;
&gt;&gt;&gt;&gt;&gt;&gt;&gt; theirs
<span class="hljs-attr">HEADER_SEARCH_PATHS</span> = (
<span class="hljs-string">"$(inherited)"</span>,
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
<span class="hljs-string">"$(SRCROOT)/../node_modules/react-native/React/**"</span>,
<span class="hljs-string">"$(SRCROOT)/../node_modules/react-native-code-push/ios/CodePush/**"</span>,
);
</code></pre>
<p>You can think of &quot;ours&quot; as &quot;your team&quot; and &quot;theirs&quot; as &quot;the React Native dev team&quot;.</p>
<h3><a class="anchor" aria-hidden="true" name="alternative"></a><a href="#alternative" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Alternative</h3>
<p>Use this only in case the above didn't work.</p>
<h4><a class="anchor" aria-hidden="true" name="1-upgrade-the-react-native-dependency"></a><a href="#1-upgrade-the-react-native-dependency" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>1. Upgrade the <code>react-native</code> dependency</h4>
<p>Note the latest version of the <code>react-native</code> npm package <a href="https://www.npmjs.com/package/react-native">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>
<pre><code class="hljs css sh">$ npm install --save react-native@X.Y
<span class="hljs-comment"># where X.Y is the semantic version you are upgrading to</span>
npm WARN peerDependencies The peer dependency react@~R included from react-native...
</code></pre>
<p>If you saw a warning about the peerDependency, also upgrade <code>react</code> by running:</p>
<pre><code class="hljs css sh">$ npm install --save react@R
<span class="hljs-comment"># where R is the new version of react from the peerDependency warning you saw</span>
</code></pre>
<h4><a class="anchor" aria-hidden="true" name="2-upgrade-your-project-templates"></a><a href="#2-upgrade-your-project-templates" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2. Upgrade your project templates</h4>
<p>The new npm package may contain updates to the files that are normally generated when you 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">rn-diff</a> to see if there were changes in the project template files. 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>
<pre><code class="hljs css sh">$ react-native upgrade
</code></pre>
<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" aria-hidden="true" name="manual-upgrades"></a><a href="#manual-upgrades" aria-hidden="true" class="hash-link" ><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Manual Upgrades</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">release notes</a> when upgrading so that you can identify any manual changes your particular project may require.</p>
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