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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>7cdf52a8581614a309a99b0c4e38351e0d8dab25 - platform/frameworks/support - Git at Google</title><link rel="stylesheet" type="text/css" href="/+static/base.css"><link rel="stylesheet" type="text/css" href="/+static/doc.css"><link rel="stylesheet" type="text/css" href="/+static/prettify/prettify.css"></head><body class="Site"><header class="Site-header"><div class="Header"><a class="Header-image" href="/"><img src="//www.gstatic.com/images/branding/lockups/2x/lockup_git_color_108x24dp.png" width="108" height="24" alt="Google Git"></a><div class="Header-menu"> <a class="Header-menuItem" href="https://accounts.google.com/AccountChooser?faa=1&service=gerritcodereview&continue=https://android.googlesource.com/login/platform/frameworks/support/%2B/7cdf52a8581614a309a99b0c4e38351e0d8dab25">Sign in</a> </div></div></header><div class="Site-content"><div class="Container "><div class="Breadcrumbs"><a class="Breadcrumbs-crumb" href="/?format=HTML">android</a> / <a class="Breadcrumbs-crumb" href="/platform/">platform</a> / <a class="Breadcrumbs-crumb" href="/platform/frameworks/">frameworks</a> / <a class="Breadcrumbs-crumb" href="/platform/frameworks/support/">support</a> / <span class="Breadcrumbs-crumb">7cdf52a8581614a309a99b0c4e38351e0d8dab25</span></div><div class="u-monospace Metadata"><table><tr><th class="Metadata-title">commit</th><td>7cdf52a8581614a309a99b0c4e38351e0d8dab25</td><td><span>[<a href="/platform/frameworks/support/+log/7cdf52a8581614a309a99b0c4e38351e0d8dab25">log</a>]</span> <span>[<a href="/platform/frameworks/support/+archive/7cdf52a8581614a309a99b0c4e38351e0d8dab25.tar.gz">tgz</a>]</span></td></tr><tr><th class="Metadata-title">author</th><td>Aurimas Liutikas <aurimas@google.com></td><td>Mon Apr 15 19:25:40 2019 -0700</td></tr><tr><th class="Metadata-title">committer</th><td>Aurimas Liutikas <aurimas@google.com></td><td>Fri May 10 12:55:49 2019 -0700</td></tr><tr><th class="Metadata-title">tree</th><td><a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/">a6d07a267b58760c86daeb5a278773d672750ccd</a></td></tr><tr><th class="Metadata-title">parent</th><td><a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25%5E">45eec1f7fe85cd635a7dec611713cea4c060098b</a> <span>[<a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25%5E%21/">diff</a>]</span></td></tr></table></div><pre class="u-pre u-monospace MetadataMessage">Turn koltin warnings into errors. Whitelist some projects until they are fixed. Test: ./gradlew assembleDebug assembleAndroidTest Change-Id: <a href="https://android-review.googlesource.com/#/q/I4c992ea8b7fdba45f848183c6c2b6365520ddd3b">I4c992ea8b7fdba45f848183c6c2b6365520ddd3b</a> </pre><ul class="DiffTree"><li><a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt">buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt</a><span class="DiffTree-action DiffTree-action--modify">[<a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25%5E%21/#F0">diff</a>]</span></li><li><a href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/core/ktx/src/androidTest/java/androidx/core/database/sqlite/SQLiteDatabaseTest.kt">core/ktx/src/androidTest/java/androidx/core/database/sqlite/SQLiteDatabaseTest.kt</a><span class="DiffTree-action DiffTree-action--modify">[<a 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href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/swiperefreshlayout/">swiperefreshlayout/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - testutils/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/testutils/">testutils/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - testutils-ktx/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/testutils-ktx/">testutils-ktx/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - textclassifier/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/textclassifier/">textclassifier/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - transition/"><a class="FileList-itemLink" 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class="FileList-item FileList-item--gitTree" title="Tree - viewpager2/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/viewpager2/">viewpager2/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - wear/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/wear/">wear/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - webkit/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/webkit/">webkit/</a></li><li class="FileList-item FileList-item--gitTree" title="Tree - work/"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/work/">work/</a></li><li class="FileList-item FileList-item--regularFile" title="Regular file - .gitignore"><a class="FileList-itemLink" 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class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/OWNERS">OWNERS</a></li><li class="FileList-item FileList-item--regularFile" title="Regular file - PREUPLOAD.cfg"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/PREUPLOAD.cfg">PREUPLOAD.cfg</a></li><li class="FileList-item FileList-item--regularFile" title="Regular file - README.md"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/README.md">README.md</a></li><li class="FileList-item FileList-item--regularFile" title="Regular file - settings.gradle"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/settings.gradle">settings.gradle</a></li><li class="FileList-item FileList-item--executableFile" title="Executable file - studiow"><a class="FileList-itemLink" href="/platform/frameworks/support/+/7cdf52a8581614a309a99b0c4e38351e0d8dab25/studiow">studiow</a></li></ol><div class="InlineReadme"><div class="InlineReadme-path">README.md</div><div class="doc"><h1><a class="h" name="AOSP-AndroidX-Contribution-Guide" href="#AOSP-AndroidX-Contribution-Guide"><span></span></a><a class="h" name="aosp-androidx-contribution-guide" href="#aosp-androidx-contribution-guide"><span></span></a>AOSP AndroidX Contribution Guide</h1><h2><a class="h" name="Accepted-Types-of-Contributions" href="#Accepted-Types-of-Contributions"><span></span></a><a class="h" name="accepted-types-of-contributions" href="#accepted-types-of-contributions"><span></span></a>Accepted Types of Contributions</h2><ul><li>Bug fixes - needs a corresponding bug report in the <a href="https://issuetracker.google.com/issues/new?component=192731&template=842428">Android Issue Tracker</a></li><li>Each bug fix is expected to come with tests</li><li>Fixing spelling errors</li><li>Updating documentation</li><li>Adding new tests to the area that is not currently covered by tests</li><li>New features to existing libraries if the feature request bug has been approved by an AndroidX team member.</li></ul><p>We <strong>are not</strong> currently accepting new modules.</p><h2><a class="h" name="Checking-Out-the-Code" href="#Checking-Out-the-Code"><span></span></a><a class="h" name="checking-out-the-code" href="#checking-out-the-code"><span></span></a>Checking Out the Code</h2><p><strong>NOTE: You will need to use Linux or Mac OS. Building under Windows is not currently supported.</strong></p><p>Follow the <a href="https://source.android.com/source/downloading.html">“Downloading the Source”</a> guide to install and set up <code class="code">repo</code> tool, but instead of running the listed <code class="code">repo</code> commands to initialize the repository, run the folowing:</p><pre class="code">repo init -u https://android.googlesource.com/platform/manifest -b androidx-master-dev </pre><p>The first time you initialize the repository, it will ask for user name and email.</p><p>Now your repository is set to pull only what you need for building and running AndroidX libraries. Download the code (and grab a coffee while we pull down 3GB):</p><pre class="code">repo sync -j8 -c </pre><p>You will use this command to sync your checkout in the future - it’s similar to <code class="code">git fetch</code></p><h2><a class="h" name="Using-Android-Studio" href="#Using-Android-Studio"><span></span></a><a class="h" name="using-android-studio" href="#using-android-studio"><span></span></a>Using Android Studio</h2><p>To open the project with the specific version of Android Studio recommended for developing:</p><pre class="code">cd path/to/checkout/frameworks/support/ ./studiow </pre><p>and accept the license agreement when prompted. Now you're ready edit, run, and test!</p><p>If you get “Unregistered VCS root detected” click “Add root” to enable git integration for Android Studio.</p><p>If you see any warnings (red underlines) run <code class="code">Build > Clean Project</code>.</p><h2><a class="h" name="Builds" href="#Builds"><span></span></a><a class="h" name="builds" href="#builds"><span></span></a>Builds</h2><h3><a class="h" name="Full-Build-Optional" href="#Full-Build-Optional"><span></span></a><a class="h" name="full-build-optional" href="#full-build-optional"><span></span></a>Full Build (Optional)</h3><p>You can do most of your work from Android Studio, however you can also build the full AndroidX library from command line:</p><pre class="code">cd path/to/checkout/frameworks/support/ ./gradlew createArchive </pre><h3><a class="h" name="Testing-modified-AndroidX-Libraries-to-in-your-App" href="#Testing-modified-AndroidX-Libraries-to-in-your-App"><span></span></a><a class="h" name="testing-modified-androidx-libraries-to-in-your-app" href="#testing-modified-androidx-libraries-to-in-your-app"><span></span></a>Testing modified AndroidX Libraries to in your App</h3><p>You can build maven artifacts locally, and test them directly in your app:</p><pre class="code">./gradlew createArchive </pre><p>And put in your <strong>project</strong> <code class="code">build.gradle</code> file:</p><pre class="code">handler.maven { url '/path/to/checkout/out/support/build/support_repo/' } </pre><h2><a class="h" name="Running-Tests" href="#Running-Tests"><span></span></a><a class="h" name="running-tests" href="#running-tests"><span></span></a>Running Tests</h2><h3><a class="h" name="Single-Test-Class-or-Method" href="#Single-Test-Class-or-Method"><span></span></a><a class="h" name="single-test-class-or-method" href="#single-test-class-or-method"><span></span></a>Single Test Class or Method</h3><ol><li>Open the desired test file in Android Studio.</li><li>Right-click on a test class or @Test method name and select <code class="code">Run FooBarTest</code></li></ol><h3><a class="h" name="Full-Test-Package" href="#Full-Test-Package"><span></span></a><a class="h" name="full-test-package" href="#full-test-package"><span></span></a>Full Test Package</h3><ol><li>In the project side panel open the desired module.</li><li>Find the directory with the tests</li><li>Right-click on the directory and select <code class="code">Run androidx.foobar</code></li></ol><h2><a class="h" name="Running-Sample-Apps" href="#Running-Sample-Apps"><span></span></a><a class="h" name="running-sample-apps" href="#running-sample-apps"><span></span></a>Running Sample Apps</h2><p>The AndroidX repository has a set of Android applications that exercise AndroidX code. These applications can be useful when you want to debug a real running application, or reproduce a problem interactively, before writing test code.</p><p>These applications are named either <code class="code"><libraryname>-integration-tests-testapp</code>, or <code class="code">support-\*-demos</code> (e.g. <code class="code">support-4v-demos</code> or <code class="code">support-leanback-demos</code>). You can run them by clicking <code class="code">Run > Run ...</code> and choosing the desired application.</p><h2><a class="h" name="Password-and-Contributor-Agreement-before-making-a-change" href="#Password-and-Contributor-Agreement-before-making-a-change"><span></span></a><a class="h" name="password-and-contributor-agreement-before-making-a-change" href="#password-and-contributor-agreement-before-making-a-change"><span></span></a>Password and Contributor Agreement before making a change</h2><p>Before uploading your first contribution, you will need setup a password and agree to the contribution agreement:</p><p>Generate a HTTPS password: <a href="https://android-review.googlesource.com/new-password">https://android-review.googlesource.com/new-password</a></p><p>Agree to the Google Contributor Licenses Agreement: <a href="https://android-review.googlesource.com/settings/new-agreement">https://android-review.googlesource.com/settings/new-agreement</a></p><h2><a class="h" name="Making-a-change" href="#Making-a-change"><span></span></a><a class="h" name="making-a-change" href="#making-a-change"><span></span></a>Making a change</h2><pre class="code">cd path/to/checkout/frameworks/support/ repo start my_branch_name . (make needed modifications) git commit -a repo upload --current-branch . </pre><p>If you see the following prompt, choose <code class="code">always</code>:</p><pre class="code">Run hook scripts from https://android.googlesource.com/platform/manifest (yes/always/NO)? </pre><p>If the upload succeeds, you'll see output like:</p><pre class="code">remote: remote: New Changes: remote: https://android-review.googlesource.com/c/platform/frameworks/support/+/720062 Further README updates remote: </pre><p>To edit your change, use <code class="code">git commit --amend</code>, and re-upload.</p><h2><a class="h" name="Getting-reviewed" href="#Getting-reviewed"><span></span></a><a class="h" name="getting-reviewed" href="#getting-reviewed"><span></span></a>Getting reviewed</h2><ul><li>After you run repo upload, open <a href="http://r.android.com">r.android.com</a></li><li>Sign in into your account (or create one if you do not have one yet)</li><li>Add an appropriate reviewer (use git log to find who did most modifications on the file you are fixing or check the OWNERS file in the project's directory)</li></ul><h2><a class="h" name="Handling-binary-dependencies" href="#Handling-binary-dependencies"><span></span></a><a class="h" name="handling-binary-dependencies" href="#handling-binary-dependencies"><span></span></a>Handling binary dependencies</h2><p>AndroidX uses git to store all the binary Gradle dependencies. They are stored in <code class="code">prebuilts/androidx/internal</code> and <code class="code">prebuilts/androidx/external</code> directories in your checkout. All the dependencies in these directories are also available from <code class="code">google()</code>, <code class="code">jcenter()</code>, or <code class="code">mavenCentral()</code>. We store copies of these dependencies to have hermetic builds. You can pull in <a href="7cdf52a8581614a309a99b0c4e38351e0d8dab25/development/importMaven/README.md">a new dependency using our importMaven tool</a>.</p></div></div></div></div> </div> <footer class="Site-footer"><div class="Footer"><span class="Footer-poweredBy">Powered by <a href="https://gerrit.googlesource.com/gitiles/">Gitiles</a>| <a href="https://policies.google.com/privacy">Privacy</a>| <a href="https://policies.google.com/terms">Terms</a></span><span class="Footer-formats"><a class="u-monospace Footer-formatsItem" href="?format=TEXT">txt</a> <a class="u-monospace Footer-formatsItem" href="?format=JSON">json</a></span></div></footer></body></html>