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HTML
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HTML
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<script src="https://snack.expo.io/embed.js" defer="defer"></script><title data-react-helmet="true">_getting-started-windows-android · React Native</title><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="current"><meta data-react-helmet="true" name="docsearch:docusaurus_tag" content="docs-default-current"><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="_getting-started-windows-android · React Native"><meta data-react-helmet="true" name="description" content="Installing dependencies"><meta data-react-helmet="true" property="og:description" content="Installing dependencies"><meta data-react-helmet="true" property="og:url" content="https://reactnative.dev/docs/next/_getting-started-windows-android"><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/next/_getting-started-windows-android"><link rel="stylesheet" href="/styles.f56da522.css">
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<nav aria-label="Skip navigation links"><button type="button" tabindex="0" class="skipToContent_3aLp">Skip to main content</button></nav><nav class="navbar navbar--fixed-top navbar--dark"><div class="navbar__inner"><div class="navbar__items"><div aria-label="Navigation bar toggle" class="navbar__toggle" role="button" tabindex="0"><svg aria-label="Menu" width="30" height="30" viewBox="0 0 30 30" role="img" focusable="false"><title>Menu</title><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></div><a class="navbar__brand" href="/"><img src="/img/header_logo.svg" alt="React Native" class="themedImage_phiS themedImage--light_VJaY navbar__logo"><img src="/img/header_logo.svg" alt="React Native" class="themedImage_phiS themedImage--dark_1NF3 navbar__logo"><strong class="navbar__title">React Native</strong></a><div class="navbar__item dropdown dropdown--hoverable dropdown--left"><a class="navbar__item 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0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span></button></div></div><div role="presentation" class="navbar-sidebar__backdrop"></div><div class="navbar-sidebar"><div class="navbar-sidebar__brand"><a class="navbar__brand" href="/"><img src="/img/header_logo.svg" alt="React Native" class="themedImage_phiS themedImage--light_VJaY navbar__logo"><img src="/img/header_logo.svg" alt="React Native" class="themedImage_phiS themedImage--dark_1NF3 navbar__logo"><strong class="navbar__title">React Native</strong></a></div><div class="navbar-sidebar__items"><div class="menu"><ul class="menu__list"><li class="menu__list-item"><a class="menu__link" href="/docs/next/getting-started">Docs</a></li><li class="menu__list-item"><a class="menu__link" 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href="/docs/0.60/_getting-started-windows-android">0.60</a></li><li class="menu__list-item"><a class="menu__link" href="/versions">All versions</a></li></ul></li><li class="menu__list-item"><a href="https://github.com/facebook/react-native" target="_blank" rel="noopener noreferrer" class="menu__link navbar-github-link" aria-label="GitHub repository"></a></li></ul></div></div></div></nav><div class="main-wrapper"><div class="docPage_1mVJ"><main class="docMainContainer_1zi2"><div class="container padding-vert--lg docItemWrapper_1hMI"><div class="row"><div class="col docItemCol_2AGf"><div class="alert alert--warning margin-bottom--md" role="alert"><div>This is unreleased documentation for React Native <strong>Next</strong> version.</div><div class="margin-top--md">For up-to-date documentation, see the <strong><a href="/docs/_getting-started-windows-android">latest version</a></strong> (0.63).</div></div><div class="docItemContainer_1tAC"><article><div><span class="badge badge--secondary">Version: Next</span></div><header><h1 class="docTitle_cWlf">_getting-started-windows-android</h1></header><div class="markdown"><h2>Installing dependencies</h2><p>You will need Node, the React Native command line interface, a JDK, and Android Studio.</p><p>While you can use any editor of your choice to develop your app, you will need to install Android Studio in order to set up the necessary tooling to build your React Native app for Android.</p><h3>Node, JDK</h3><p>We recommend installing Node via <a href="https://chocolatey.org" target="_blank" rel="noopener noreferrer">Chocolatey</a>, a popular package manager for Windows.</p><p>If you want to be able to switch between different Node versions, you might want to install Node via <a href="https://github.com/coreybutler/nvm-windows" target="_blank" rel="noopener noreferrer">nvm-windows</a>, a Node version manager for Windows.</p><p>React Native also requires <a href="https://openjdk.java.net/projects/jdk8/" target="_blank" rel="noopener noreferrer">Java SE Development Kit (JDK)</a>, which can be installed using Chocolatey as well.</p><p>Open an Administrator Command Prompt (right click Command Prompt and select "Run as Administrator"), then run the following command:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-powershell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">choco install -y nodejs.install openjdk8</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>If you have already installed Node on your system, make sure it is Node 12 or newer. If you already have a JDK on your system, make sure it is version 8 or newer.</p><blockquote><p>You can find additional installation options on <a href="https://nodejs.org/en/download/" target="_blank" rel="noopener noreferrer">Node's Downloads page</a>.</p></blockquote><blockquote><p>If you're using the latest version of Java Development Kit, you'll need to change the Gradle version of your project so it can recognize the JDK. You can do that by going to <code>{project root folder}\android\gradle\wrapper\gradle-wrapper.properties</code> and changing the <code>distributionUrl</code> value to upgrade the Gradle version. You can check out <a href="https://gradle.org/releases/" target="_blank" rel="noopener noreferrer">here the lastest releases of Gradle</a>.</p></blockquote><h3>Android development environment</h3><p>Setting up your development environment can be somewhat tedious if you're new to Android development. If you're already familiar with Android development, there are a few things you may need to configure. In either case, please make sure to carefully follow the next few steps.</p><h4>1. Install Android Studio</h4><p><a href="https://developer.android.com/studio/index.html" target="_blank" rel="noopener noreferrer">Download and install Android Studio</a>. While on Android Studio installation wizard, make sure the boxes next to all of the following items are checked:</p><ul><li><code>Android SDK</code></li><li><code>Android SDK Platform</code></li><li><code>Android Virtual Device</code></li><li>If you are not already using Hyper-V: <code>Performance (Intel ® HAXM)</code> (<a href="https://android-developers.googleblog.com/2018/07/android-emulator-amd-processor-hyper-v.html" target="_blank" rel="noopener noreferrer">See here for AMD or Hyper-V</a>)</li></ul><p>Then, click "Next" to install all of these components.</p><blockquote><p>If the checkboxes are grayed out, you will have a chance to install these components later on.</p></blockquote><p>Once setup has finalized and you're presented with the Welcome screen, proceed to the next step.</p><h4>2. Install the Android SDK</h4><p>Android Studio installs the latest Android SDK by default. Building a React Native app with native code, however, requires the <code>Android 10 (Q)</code> SDK in particular. Additional Android SDKs can be installed through the SDK Manager in Android Studio.</p><p>To do that, open Android Studio, click on "Configure" button and select "SDK Manager".</p><p><img alt="Android Studio Welcome" src="/assets/images/GettingStartedAndroidStudioWelcomeWindows-b88d46e9a7fe5e050224a9a295148222.png"></p><blockquote><p>The SDK Manager can also be found within the Android Studio "Preferences" dialog, under <strong>Appearance & Behavior</strong> → <strong>System Settings</strong> → <strong>Android SDK</strong>.</p></blockquote><p>Select the "SDK Platforms" tab from within the SDK Manager, then check the box next to "Show Package Details" in the bottom right corner. Look for and expand the <code>Android 10 (Q)</code> entry, then make sure the following items are checked:</p><ul><li><code>Android SDK Platform 29</code></li><li><code>Intel x86 Atom_64 System Image</code> or <code>Google APIs Intel x86 Atom System Image</code></li></ul><p>Next, select the "SDK Tools" tab and check the box next to "Show Package Details" here as well. Look for and expand the "Android SDK Build-Tools" entry, then make sure that <code>29.0.2</code> is selected.</p><p>Finally, click "Apply" to download and install the Android SDK and related build tools.</p><h4>3. Configure the ANDROID_HOME environment variable</h4><p>The React Native tools require some environment variables to be set up in order to build apps with native code.</p><ol><li>Open the <strong>Windows Control Panel.</strong></li><li>Click on <strong>User Accounts,</strong> then click <strong>User Accounts</strong> again</li><li>Click on <strong>Change my environment variables</strong></li><li>Click on <strong>New...</strong> to create a new <code>ANDROID_HOME</code> user variable that points to the path to your Android SDK:</li></ol><p><img alt="ANDROID_HOME Environment Variable" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAo0AAAClCAMAAAAOEzcNAAABwlBMVEVfosv///8AAADMzMz//7ZmAABmtv9mADqQ2///25A6ADq2ZgA6kNv/tmYAZrYFBwg6AGa2//9mAGY6AAA6kJCQ27b//9uQOgAAAGZmZjq2/7aQtpDbkDoAADoAOpDb//86OpDb/9uQOjoAOmZmOjrw8PB6enqrYAA2h87wq2AAYKvwzoc2ADaHzvDw8KtgADZgq/A6OmY6OgA6Ojo2AGCr8PBgAGAAZmbw8M6HNgBgYDYAAGCr8KuHq4c2AACHh2DOhzYANofO8PBgAADb/7Y2NofO8M6HNjYAADZmtrYANmBgNjaQOmYAeNczmf/MZgCg7v//7v9amf/B//9/mf+gq/9/3v//3v/hzv8zq//h//8zvP/BvP+gvP/h7v/B7v/h3v9azv/B3v+gzv9gNoc2NmBgNmClZgAAYGCtra3h4eHh4aBaAABaoOEzf8HhwX8zADN/weFaADPhoFrh4cF/MwAAWqAAM3/B4eEzAFqg4eEAADOgWgAzAAB/oOHBfzNaWjMAAFozWqBaoKAzMwB/MzN/f1ozMzMzM3+gWjN/oH/B4cFaAFpaM39/waB/M1qgwX9aWlozM1paMzMAM1q/v7+vTvonAAAKLUlEQVR4Aeyd17arNhBAo3EBAnZyesO39957r+n5/7/JDBouxrfiNLO89wNiNOPztJdG4jzouxUCIACsBtgI2AiAjYCNANgI/bYRABsBsBGwEUAGcRzIJ20cjkRkXL0lafZ9qi8e+GORvNDHZBpq/Dde7QPAJxn8MPDh0zYmLQHt+SUbXcR8HFpgYwfQ0R7/jI3ZjxthuLmBjcuCjibjF23MtmQ7SYfJzkhkOmfj7p7I2LL7G8PkYF8l3N0b2/qYW51NHWqlB0dbUtiPYn34JICOLuOn941m2mgcylmqJi2sjZNazUkxHBXBKIvYqK14FO3z4Nhx3UTqW6wP3QBsdJmyE8ft7WMbs62iWjhFpp7R2pOn1DaRyl4ragL1VIdYH7oCdOpP27irwlVbxFDKWEevjKmjE8d1SkvcxibQNh7jALDsKabdqY382PGQT4NSeo/2jPlZhEndlW3ag1Fh/noDB1jiC89IxOwS2Y4q5rHH2vFFhZzYrtJatXdqQ82z9OkztY11cCAy9lNMl04NfP0G4D+DAGtgI2AjADYCNgJgI2AjADYCNgJgI2DjWYDVABsBGwGwEbARABsBGwGwEbARABsBGwGwEbARABsBGwGwEQAbARsBsBGwEQAbARsB/jkbAbDxHKwpK2ljgLUEG/8+gI2AjdgI2AjYeP6CPi5e+hBfvnI1vly7ftWHf9PGeGfXcOQXbPp9Ss097hOPNzc8tXCDsVf4n1DKWeo/hr7Z6CKev9Gu+e9szG6eSU2rW+Noo/plXtk42d8Ik5ld3VWYjZ5asLGpSG5XUyO/grOPYOPlO3fPXrt39/+ysSzKwrTSyzRrG/3CQgvtPuwYq42eamxsVyQHha2l95P+2oiNDx7esPXxvMglNe/R4ydqnwdPn8mFysbLz+Tx3crM56JTc/kbL2wiFlx8+aqrjXbdaxY9zIvaRr/M1S7XjPJpkdtoqbaNTUWys7mhLzt9tREbjRcXYqNW7a69jvZ58PKVbiLtTacuXrDZ15fOXjQv6/xFuWATsWAZG1VFNck9nLdxJDKt0iHGizaOxJilTYUKPdYfvImbT+3yPQQbL799915lEvnJtDPPmkA91UFXPhHbXrbzHswXdLbR2nTp28RpbaP66atea2301GfXRjMzH/sf6SfY+OD907evdPf44H0tWBNoG49xLP0o30wstW/0JW5/I162/nNr32imdto3ptVV7v21ERuNF9ZurSvXgnmgbVs18wZe0co3NnpB905tW0Nvs2ba1szP1GPzrD5Xa+xn6phqbGxX2LvY2GcbsVHN0kVQfvm1FqwOHonc8FNMq1O3ipuCJWzMC3uW1qObT4Wz1G0r443tMg5mo6cWbfxQYcvrbxtzHy2hA/wvpucANg5HwokZG1kb1xpsBGzERsBGwEZsBGxcT2AlbQTARsBGAGwEbATARsBGgH/PRgBsBGwEwMbf1xRYSRvDWgLYCN8ANv6xjvwZ+gM2YiM2YiM2YuNf7JzNrtsgEIXF81Tqri/QVVcWdhyDAze37v/7P0HnZBgfW02EarE0qgLM+RhS+YiJ7wLvXD9Ifxk7fF7140kjUG0Ko03hiSYbx//MD+FVzv2a+YYZ+SS7jYaBPN3Y/m5bxBu4cb5leYBveMa54kYClUa4m+/ve95SXAJn9fwqvMgJ6TU/30b8/+jG042t7rZt70af1zPla8WNBCqNcLfEJT51I0zCWT0/hBc5Ib3mUz8wouTpxiZ327Z3o5kCz8xf6UbU7yyWQZG7fHMjpgV4u6HMIjg5FzSQF4cgeHE3Yfmc70NZxA6Szx3Wo2wHHfELWCZNpSqEfc7vtmcUCd9HFwEsQU0oEDH5F043NrnbFihuIoOMOKRVlvgBN96H1Y0p0o0pdDpJEY9Tpwr0Q3IjgkpoQBAEYeDrBpb0sAQYEawzN/K40hG/QMnUeUTI7XMG23NxokZbBFCDynceFjXs6vN5Nra52xauJavxVT7mRiuYaO/D6sb5Vo46FxDClIB5KImMkQUfyaa8gVFSlwANwraDobheR/wClgkd9/k356Uck1BtEYPKI1tesXs8K3Wju21R0T/++Gyy4pSP/27ka4S333SLMzPgsWKqAN0I2T9x4xZ2aCN07MQOi7leR8y/dyO5fc66GzFDWwLdGE43NrrbFueonKSrTPzwW0xyj3dqqdT6GjHJQP+CsqBGmxsxVYBuTFZ3GcywBGFkVf9FCKVTOnN9GTF/Z5lQqcntc3JPLcG2iEHlpfOR2BRPN7a42xbtw89fn8g+fnJ+KfKhSq3luB/KM8aTw1T/SAdNK7VOAdCNQPv3nRvBb+Ep6smEdwy43joHzNZPLuhI80OMJdMDzdxnm9P2TM5eT3QRg0wYug3m+9+nG5vcbSuYdGSlZP8x+aAbty1FjtnqQBXmm8pf9u3YBmAYBIDghBnETvavMwAFTRDEuqtdIPEdclQ3QHzvFuMyGGvsokY1qjGnxhxqVCNqRI1qRI3t8GcQ8hpBjagR1AhqRI2gRtQIakSNoEbUCGpEjaBG1Li6TRrlX64SxetIaty91qxR1Fi7jnNrVOP+nBrVGKlRjdOpUY1qVKMa1Xg/L3vmoSM5CINhicdlAtks9RLmtvdeHviMibcXVuftSJP2U2Lxf+M4ihBCVUyLHbWU/crwMTS+MTKIa7E6NBpNsSmvhXWeiUbrhAjxeQdWByYaYaL+z1jhOXRcdL4iGAYa3xoZnTQazZQp1LgWSTPlxn6pYPf3Y2iErdJzoONDaayOrNFISUxJtAnWYs2zPKlpUik/hkbj4bC+MfbL/GhMCsV+07p8CeLGWDpiXHCkzqDnPludEF6WwdA0bUPsJkQOGqsjwz38SPydNFK6sDuwFrshMtF4k4NSNhpmxlrgjgl8NHYCpoODhk3lqhAIMHtarmnjiQn9gMZOz7p11FQGY1MelxRL3VgRGRWYhUYSfy2N+1EWmzpAhYvG/Ruu0X2wYWO8td5oztyIFFGRlhTc++Bw/2hn6JdaYsoT/obGHbK86DhE3hmMYB6Pi5PIUzfWRka58UZsufFwZeDOjUaICQ2BLYtkAiuNJeOR53bn9OTo7Dz/H9aEQvFu3Ug0ov4kjXJNr2meurE+MqKRRNnqRkhgvHUjTGt3HtCIe/bcSA9bmH0tPw0vkKc1vehmsKjHTGPRb9I1DS7MXl5hwOX3PzRWR0Y0FvHm3r/wnRoQpEpqLUQWGqUR+E5tQpwNgQ2tnzFgrRsnnB7TLpxmBHAzWLeBKPxtR6Kx6KgqmcpbDM0jk5cMNNZGdpfGIv5iGvPaCDUvSgqRg8ZidojWiesronG2ntb7C3+LSap9i2nfYr4Ijf1+bDQ2Gr8EjdZNQ/tO/a+dO7YBAISBGMj+/e/LEki4uJvBShqCGr2aUKMa1ahGNapRjWp8x5XWby5YXbCCvyZAjagR1EjfpkbUCDY1UZvZiBpJs6kxGM1G1Ag2NXkHOi61IHl9uT0p7gAAAABJRU5ErkJggg=="></p><p>The SDK is installed, by default, at the following location:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-powershell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">%LOCALAPPDATA%\Android\Sdk</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>You can find the actual location of the SDK in the Android Studio "Settings" dialog, under <strong>Appearance & Behavior</strong> → <strong>System Settings</strong> → <strong>Android SDK</strong>.</p><p>Open a new Command Prompt window to ensure the new environment variable is loaded before proceeding to the next step.</p><ol><li>Open powershell</li><li>Copy and paste <strong>Get-ChildItem -Path Env:\</strong> into powershell</li><li>Verify <code>ANDROID_HOME</code> has been added</li></ol><h4>4. Add platform-tools to Path</h4><ol><li>Open the <strong>Windows Control Panel.</strong></li><li>Click on <strong>User Accounts,</strong> then click <strong>User Accounts</strong> again</li><li>Click on <strong>Change my environment variables</strong></li><li>Select the <strong>Path</strong> variable.</li><li>Click <strong>Edit.</strong></li><li>Click <strong>New</strong> and add the path to platform-tools to the list.</li></ol><p>The default location for this folder is:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-powershell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">%LOCALAPPDATA%\Android\Sdk\platform-tools</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><h3>React Native Command Line Interface</h3><p>React Native has a built-in command line interface. Rather than install and manage a specific version of the CLI globally, we recommend you access the current version at runtime using <code>npx</code>, which ships with Node.js. With <code>npx react-native <command></code>, the current stable version of the CLI will be downloaded and executed at the time the command is run.</p><h2>Creating a new application</h2><blockquote><p>If you previously installed a global <code>react-native-cli</code> package, please remove it as it may cause unexpected issues.</p></blockquote><p>React Native has a built-in command line interface, which you can use to generate a new project. You can access it without installing anything globally using <code>npx</code>, which ships with Node.js. Let's create a new React Native project called "AwesomeProject":</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-shell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">npx react-native init AwesomeProject</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>This is not necessary if you are integrating React Native into an existing application, if you "ejected" from Expo, or if you're adding Android support to an existing React Native project (see <a href="/docs/next/integration-with-existing-apps">Integration with Existing Apps</a>). You can also use a third-party CLI to init your React Native app, such as <a href="https://github.com/infinitered/ignite" target="_blank" rel="noopener noreferrer">Ignite CLI</a>.</p><h3>[Optional] Using a specific version or template</h3><p>If you want to start a new project with a specific React Native version, you can use the <code>--version</code> argument:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-shell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">npx react-native init AwesomeProject --version X.XX.X</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>You can also start a project with a custom React Native template, like TypeScript, with <code>--template</code> argument:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-shell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">npx react-native init AwesomeTSProject --template react-native-template-typescript</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><h2>Preparing the Android device</h2><p>You will need an Android device to run your React Native Android app. This can be either a physical Android device, or more commonly, you can use an Android Virtual Device which allows you to emulate an Android device on your computer.</p><p>Either way, you will need to prepare the device to run Android apps for development.</p><h3>Using a physical device</h3><p>If you have a physical Android device, you can use it for development in place of an AVD by plugging it in to your computer using a USB cable and following the instructions <a href="/docs/next/running-on-device">here</a>.</p><h3>Using a virtual device</h3><p>If you use Android Studio to open <code>./AwesomeProject/android</code>, you can see the list of available Android Virtual Devices (AVDs) by opening the "AVD Manager" from within Android Studio. Look for an icon that looks like this:</p><p><img alt="Android Studio AVD Manager" src="data:image/png;base64,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"></p><p>If you have recently installed Android Studio, you will likely need to <a href="https://developer.android.com/studio/run/managing-avds.html" target="_blank" rel="noopener noreferrer">create a new AVD</a>. Select "Create Virtual Device...", then pick any Phone from the list and click "Next", then select the <strong>Q</strong> API Level 29 image.</p><blockquote><p>If you don't have HAXM installed, click on "Install HAXM" or follow <a href="https://github.com/intel/haxm/wiki/Installation-Instructions-on-Windows" target="_blank" rel="noopener noreferrer">these instructions</a> to set it up, then go back to the AVD Manager.</p></blockquote><p>Click "Next" then "Finish" to create your AVD. At this point you should be able to click on the green triangle button next to your AVD to launch it, then proceed to the next step.</p><h2>Running your React Native application</h2><h3>Step 1: Start Metro</h3><p>First, you will need to start Metro, the JavaScript bundler that ships with React Native. Metro "takes in an entry file and various options, and returns a single JavaScript file that includes all your code and its dependencies."—<a href="https://facebook.github.io/metro/docs/concepts" target="_blank" rel="noopener noreferrer">Metro Docs</a></p><p>To start Metro, run <code>npx react-native start</code> inside your React Native project folder:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-shell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">npx react-native start</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p><code>react-native start</code> starts Metro Bundler.</p><blockquote><p>If you use the Yarn package manager, you can use <code>yarn</code> instead of <code>npx</code> when running React Native commands inside an existing project.</p></blockquote><blockquote><p>If you're familiar with web development, Metro is a lot like webpack—for React Native apps. Unlike Kotlin or Java, JavaScript isn't compiled—and neither is React Native. Bundling isn't the same as compiling, but it can help improve startup performance and translate some platform-specific JavaScript into more JavaScript.</p></blockquote><h3>Step 2: Start your application</h3><p>Let Metro Bundler run in its own terminal. Open a new terminal inside your React Native project folder. Run the following:</p><div class="mdxCodeBlock_1daz"><div class="codeBlockContent_2es_"><div tabindex="0" class="prism-code language-shell codeBlock_27aQ thin-scrollbar"><div class="codeBlockLines_2rCb" style="color:#FFFFFF;background:#282C34"><div class="token-line" style="color:#FFFFFF;background:#282C34"><span class="token plain">npx react-native run-android</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2bml">Copy</button></div></div><p>If everything is set up correctly, you should see your new app running in your Android emulator shortly.</p><p><img alt="AwesomeProject on Android" src="/assets/images/GettingStartedAndroidSuccessWindows-7ae949ba8187936ba342678c432d78f6.png"></p><p><code>npx react-native run-android</code> is one way to run your app - you can also run it directly from within Android Studio.</p><blockquote><p>If you can't get this to work, see the <a href="/docs/next/troubleshooting#content">Troubleshooting</a> page.</p></blockquote><h3>Modifying your app</h3><p>Now that you have successfully run the app, let's modify it.</p><ul><li>Open <code>App.js</code> in your text editor of choice and edit some lines.</li><li>Press the <code>R</code> key twice or select <code>Reload</code> from the Developer Menu (<code>Ctrl + M</code>) to see your changes!</li></ul><h3>That's it!</h3><p>Congratulations! You've successfully run and modified your first React Native app.</p><center><img src="/docs/assets/GettingStartedCongratulations.png" width="150"></center><h2>Now what?</h2><ul><li>If you want to add this new React Native code to an existing application, check out the <a href="/docs/next/integration-with-existing-apps">Integration guide</a>.</li></ul><p>If you're curious to learn more about React Native, check out the <a href="/docs/next/getting-started">Introduction to React Native</a>.</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/../docs/_getting-started-windows-android.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="1.2em" width="1.2em" preserveAspectRatio="xMidYMid meet" role="img" viewBox="0 0 40 40" class="iconEdit_2Hwv"><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="2020-12-18T11:24:20.000Z" class="docLastUpdatedAt_1gIo">12/18/2020</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_1zTD thin-scrollbar"></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="footer__bottom text--center"><div class="margin-bottom--sm"><a href="https://opensource.facebook.com" target="_blank" rel="noopener noreferrer" class="footerLogoLink_3cAK"><img class="footer__logo" alt="Facebook Open Source Logo" src="/img/oss_logo.png"></a></div><div class="footer__copyright">Copyright © 2021 Facebook, Inc.</div></div></div></footer></div>
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