1page.title=Importing Legacy Apps into Android Studio 2meta.tags="android, performance, profiling, tools" 3page.tags="android", "performance", "profiling", "tools" 4page.metaDescription=Required changes when importing legacy apps into Android Studio. 5page.article=true 6 7@jd:body 8 9<div id="tb" style="margin-left: 7px; margin-bottom: 5px;"> 10 11<h2>In this document</h2> 12<ul> 13 <li><a href="#WhatYouNeed">Prerequisites</a></li> 14 <li><a href="#StepsForImporting">Steps for Importing</a></li> 15</ul> 16 17<h2>You should also read</h2> 18<ul> 19 <li><a href="/tools/device.html">Using Hardware Devices</a></li> 20 <li><a href="/tools/help/index.html">Tools</a></li> 21</ul> 22 23</div> 24 25 26 <p>Importing some pre-Android-1.0 projects into Android 1.0 or newer can trigger a series of 27 errors. This document shows you how to resolve them, using a version of the Sunshine app used in 28 the <a href="https://www.udacity.com/course/ud853">Android Fundamentals Udacity Course</a> as an 29 example.</p> 30 31 <p><b>CAVEAT:</b> As with all documentation of this kind, the details are likely to vary for each 32 application and each update of Android Studio.</p> 33 34 <h2 id="WhatYouNeed">Prerequisites</h2> 35 36 <ul> 37 <li>The latest version of <a href="http://developer.android.com/sdk/index.html">Android 38 Studio</a> (this document uses version 1.1).</li> 39 40 <li>It helps to know how to <a href="https://developer.android.com/training/index.html">build 41 and run apps from Android Studio</a> on your device.</li> 42 43 <li>To use Sunshine, you need to download code from <a href= 44 "https://github.com/">github.com</a>. More info at <a href= 45 "https://help.github.com/">help.github.com</a>.</li> 46 </ul> 47 48 <h2 id="StepsForImporting">Steps for Importing Sunshine into Android Studio 1.1.0</h2> 49 50 <ol> 51 <li>Download Sunshine ZIP from GitHub: <a href= 52 "https://github.com/udacity/sunshine/tree/6.10-update-map-intent">https://github.com/udacity/sunshine/tree/6.10-update-map-intent</a>. 53 (If you are having any problems with Android Studio or the app, use the following version, or 54 your own app, to follow along with the example.<a href= 55 "https://github.com/udacity/sunshine/tree/3.13-add-share-action-provider">https://github.com/udacity/sunshine/tree/3.13-add-share-action-provider</a>) 56 57 <li>Unzip the application to extract the code folder.</li> 58 59 <li>Start Android Studio. (This works best if you close all projects, then restart.)</li> 60 61 <li>Click <b>Import</b> <b>project (Eclipse ADT, Gradle, etc.)</b>. 62 <br><img src="{@docRoot}images/tools/performance/import_image001.png"> 63 </li> 64 65 <li>In the popup, find and select the Sunshine-6-10-updated-map-intent folder and click 66 <b>OK</b>. 67 <br><img src="{@docRoot}images/tools/performance/import_image002.png"> 68 </li> 69 70 <li>If prompted, choose a destination folder for your project. If prompted to choose a build 71 system, choose Gradle. (These prompts vary, depending on your project and Android Studio 72 version.) If you need more guidance, see this <a href= 73 "http://www.lynda.com/articles/eclipse-into-android-studio">Lynda tutorial</a>.</li> 74 75 <li>Wait for the import to complete. If you see no errors, you are now ready to work with your 76 app. 77 78 <p><b>If you get a Gradle error:</b></p> 79 80 <li>If you get a Gradle error, you have some extra work to do.(Because the Import 81 didn(t finish, at this point, you may only see the <b>Gradle 82 Scripts</b> directory in your Project view.)</li> 83 84 <li>You may see the link <b>Install missing platform(s) and sync 85 project</b>, or a link to install missing build tools. 86 Click whatever link and 87 proceed.</li> 88 89 <li>The next time through, your build will fail with: 90 <br><img src="{@docRoot}images/tools/performance/import_image003.png"> 91 </li> 92 93 <li>Click the <b>Fix plugin version and re-import project</b> link 94 in the error message. This will rebuild the app and present you with new of errors. 95 <br><img src="{@docRoot}images/tools/performance/import_image004.png"> 96 </li> 97 98 <li>Click the <b>Gradle Settings</b> link in the error message.</li> 99 100 <li>Check the <b>Use auto-import</b> and click <b>OK</b>. 101 <br><img src="{@docRoot}images/tools/performance/import_image005.png"> 102 </li> 103 104 <li>Expand the project hierarchy and find the <b>build.gradle file</b>.The file you are looking 105 for is not the one showing at the top level, but the one inside <b>Sunshine</b> <b>></b> 106 <b>app > build.gradle</b>, as shown below. 107 <br><img src="{@docRoot}images/tools/performance/import_image006.png"> 108 </li> 109 110 <li>Double-click the <code>build.gradle</code> file.</li> 111 112 <li>Make the following changes to the file:</li> 113 <ul> 114 <li>Set <code>compileSdkVersion 21</code></li> 115 116 <li>Set <code>targetSdkVersion 21</code></li> 117 118 <li>Replace <code>runProguard</code> with <code>minifyEnabled</code></li> 119 </ul> 120 121 <p>Your file should look like this: </p> 122 <img src="{@docRoot}images/tools/performance/import_image007.png"> 123 </li> 124 125 <li>Save (Ctrl-S).</li> 126 127 <p>For the following two messages (Steps 18/19), what you see might vary. You might see either 128 message or both messages in sequence. Click the appropriate links to continue until the Language 129 Level Changed dialog opens.</p> 130 131 <li>In the code view bar, click the <b>Try again</b> link. 132 <br><img src="{@docRoot}images/tools/performance/import_image008.png"> 133 </li> 134 135 <li>If you see these warnings, click the <b>Sync now</b> link. 136 <br><img src="{@docRoot}images/tools/performance/import_image009.png"> 137 </li> 138 139 <li>In the Language Level Changed dialog, click <b>Yes</b>. And if you get the Gradle Running 140 dialog, <b>Yes</b> again. 141 <br><img src="{@docRoot}images/tools/performance/import_image010.png"> 142 </li> 143 144 <li>After the project reloads, run the app on your device. (If it crashes the first time, try 145 again, and it will run.) 146 <br><img src="{@docRoot}images/tools/performance/import_image011.png"> 147 </li> 148 </ol> 149 150
