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<span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span></div><h3><a class="anchor" name="generating-the-release-apk"></a>Generating the release APK <a class="hash-link" href="docs/signed-apk-android.html#generating-the-release-apk">#</a></h3><p>Simply run the following in a terminal:</p><div class="prism language-javascript">$ cd android && <span class="token punctuation">.</span><span class="token operator">/</span>gradlew assembleRelease</div><p>Gradle's <code>assembleRelease</code> will bundle all the JavaScript needed to run your app into the APK. If you need to change the way the JavaScript bundle and/or drawable resources are bundled (e.g. if you changed the default file/folder names or the general structure of the project), have a look at <code>android/app/build.gradle</code> to see how you can update it to reflect these changes.</p><p>The generated APK can be found under <code>android/app/build/outputs/apk/app-release.apk</code>, and is ready to be distributed.</p><h3><a class="anchor" name="testing-the-release-build-of-your-app"></a>Testing the release build of your app <a class="hash-link" href="docs/signed-apk-android.html#testing-the-release-build-of-your-app">#</a></h3><p>Before uploading the release build to the Play Store, make sure you test it thoroughly. Install it on the device using:</p><div class="prism language-javascript">$ react<span class="token operator">-</span>native run<span class="token operator">-</span>android <span class="token operator">--</span>variant<span class="token operator">=</span>release</div><p>Note that <code>--variant=release</code> is only available if you've set up signing as described above.</p><p>You can kill any running packager instances, all your and framework JavaScript code is bundled in the APK's assets.</p><h3><a class="anchor" name="enabling-proguard-to-reduce-the-size-of-the-apk-optional"></a>Enabling Proguard to reduce the size of the APK (optional) <a class="hash-link" href="docs/signed-apk-android.html#enabling-proguard-to-reduce-the-size-of-the-apk-optional">#</a></h3><p>Proguard is a tool that can slightly reduce the size of the APK. It does this by stripping parts of the React Native Java bytecode (and its dependencies) that your app is not using.</p><p><em><strong>IMPORTANT</strong>: Make sure to thoroughly test your app if you've enabled Proguard. Proguard often requires configuration specific to each native library you're using. See <code>app/proguard-rules.pro</code>.</em></p><p>To enable Proguard, edit <code>android/app/build.gradle</code>:</p><div class="prism language-javascript"><span class="token comment" spellcheck="true">/**
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<span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span></div><h3><a class="anchor" name="generating-the-release-apk"></a>Generating the release APK <a class="hash-link" href="docs/signed-apk-android.html#generating-the-release-apk">#</a></h3><p>Simply run the following in a terminal:</p><div class="prism language-javascript">$ cd android && <span class="token punctuation">.</span><span class="token operator">/</span>gradlew assembleRelease</div><p>Gradle's <code>assembleRelease</code> will bundle all the JavaScript needed to run your app into the APK. If you need to change the way the JavaScript bundle and/or drawable resources are bundled (e.g. if you changed the default file/folder names or the general structure of the project), have a look at <code>android/app/build.gradle</code> to see how you can update it to reflect these changes.</p><p>The generated APK can be found under <code>android/app/build/outputs/apk/app-release.apk</code>, and is ready to be distributed.</p><h3><a class="anchor" name="testing-the-release-build-of-your-app"></a>Testing the release build of your app <a class="hash-link" href="docs/signed-apk-android.html#testing-the-release-build-of-your-app">#</a></h3><p>Before uploading the release build to the Play Store, make sure you test it thoroughly. Install it on the device using:</p><div class="prism language-javascript">$ react<span class="token operator">-</span>native run<span class="token operator">-</span>android <span class="token operator">--</span>configuration<span class="token operator">=</span>release</div><p>Note that <code>--variant=release</code> is only available if you've set up signing as described above.</p><p>You can kill any running packager instances, all your and framework JavaScript code is bundled in the APK's assets.</p><h3><a class="anchor" name="enabling-proguard-to-reduce-the-size-of-the-apk-optional"></a>Enabling Proguard to reduce the size of the APK (optional) <a class="hash-link" href="docs/signed-apk-android.html#enabling-proguard-to-reduce-the-size-of-the-apk-optional">#</a></h3><p>Proguard is a tool that can slightly reduce the size of the APK. It does this by stripping parts of the React Native Java bytecode (and its dependencies) that your app is not using.</p><p><em><strong>IMPORTANT</strong>: Make sure to thoroughly test your app if you've enabled Proguard. Proguard often requires configuration specific to each native library you're using. See <code>app/proguard-rules.pro</code>.</em></p><p>To enable Proguard, edit <code>android/app/build.gradle</code>:</p><div class="prism language-javascript"><span class="token comment" spellcheck="true">/**
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* Run Proguard to shrink the Java bytecode in release builds.
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*/</span>
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def enableProguardInReleaseBuilds <span class="token operator">=</span> <span class="token boolean">true</span></div></div><div class="docs-prevnext"><a class="docs-prev" href="docs/headless-js-android.html#content">← Prev</a><a class="docs-next" href="docs/android-ui-performance.html#content">Next →</a></div><p class="edit-page-block">You can <a target="_blank" href="https://github.com/facebook/react-native/blob/master/docs/SignedAPKAndroid.md">edit the content above on GitHub</a> and send us 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">Tutorial</a><a href="docs/integration-with-existing-apps.html">Integration With Existing Apps</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">Showcase</a><a href="http://www.meetup.com/topics/react-native/" target="_blank">Upcoming Events</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://productpains.com/product/react-native/" target="_blank">Feature Requests</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="http://facebook.github.io/react/" target="_blank">React</a></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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