1page.title=Get Started with the Preview 2meta.keywords="wear-preview" 3page.tags="wear-preview" 4page.image=images/cards/card-n-sdk_2x.png 5 6@jd:body 7 8 9 <div id="qv-wrapper"> 10 <div id="qv"> 11 <ol> 12 <li> 13 <a href="#install_android_studio_and_the_latest_packages">Install 14 Android Studio and the Latest Packages</a> 15 </li> 16 17 <li> 18 <a href="#get_the_preview_reference_documentation">Get the Preview 19 Reference Documentation</a> 20 </li> 21 22 <li> 23 <a href="#update_or_create_a_project">Update or Create a 24 Project</a> 25 </li> 26 </ol> 27 </div> 28 </div> 29 30 <p> 31 If you want an environment for basic compatibility 32 testing of your app, you can use your current APK and a 33 supported watch or an emulator. You don't necessarily need to update your 34 full development environment to do basic testing. To simply test your 35 app's compatibility with a preview system image, see <a href= 36 "{@docRoot}wear/preview/downloads.html">Download and Test with a 37 Device</a>. 38 </p> 39 40 <p> 41 However, to develop apps for the Android Wear 2.0 Developer Preview, you 42 need to make some updates to your development environment, as described 43 below. 44 </p> 45 46 <h2 id="install_android_studio_and_the_latest_packages"> 47 Install Android Studio and the Latest Packages 48 </h2> 49 50 <p> 51 1. For compatibility with the <a href="{@docRoot}preview/overview.html">N 52 Developer Preview</a>, follow the <a href= 53 "{@docRoot}preview/setup-sdk.html">setup instructions</a> for installing 54 the latest version of Android Studio. 55 </p> 56 57 <p> 58 2. Use the <a href="{@docRoot}tools/help/sdk-manager.html">SDK 59 manager</a> to install or confirm that you have the latest installations 60 of the following packages: 61 </p> 62 63 <ul> 64 <li>Under the <strong>SDK Platforms tab</strong>: 65 <ul> 66 <li>Android N Preview 67 </li> 68 </ul> 69 </li> 70 71 <li>Under the <strong>SDK Tools tab</strong>: 72 <ul> 73 <li>Android Support Library 74 </li> 75 76 <li>Google Play services 77 </li> 78 79 <li>Google Repository 80 </li> 81 82 <li>Android Support Repository 83 </li> 84 </ul> 85 </li> 86 </ul> 87 88 <h2 id="get_the_preview_reference_documentation"> 89 Get the Preview Reference Documentation 90 </h2> 91 92 <p> 93 Detailed information about the preview is available in the preview 94 reference documentation, which you can download from the following table. 95 The zip file includes an updated API reference for the preview. 96 </p> 97 98 <table> 99 <tr> 100 <th style="width:300px"> 101 Reference documentation 102 </th> 103 <th> 104 Checksums 105 </th> 106 </tr> 107 108 <tr> 109 <td> 110 <a href="http://storage.googleapis.com/androiddevelopers/shareables/wear-preview/wearable-support-preview-2-docs.zip">wearable-support-preview-2-docs.zip</a> 111 </td> 112 <td>MD5: afb770c9c5c0431bbcbdde186f1eae06<br> 113 SHA-1: 81d681e61cee01f222ea82e83297d23c4e55b8f3 114 </td> 115 </tr> 116 </table> 117 118 <h2 id="update_or_create_a_project"> 119 Update or Create a Project 120 </h2> 121 122 <p> 123 To use the APIs, your project must be configured appropriately in Android 124 Studio. 125 </p> 126 127 <h3 id="update_an_existing_project"> 128 Update an existing project 129 </h3> 130 131 <p> 132 To update an existing project for development: 133 </p> 134 135 <ol> 136 <li>Start Android Studio, click <strong>Open an existing Android Studio 137 Project</strong>, and select a project. 138 </li> 139 140 <li>If prompted by the Android SDK Manager for the SDK version to use for 141 the project, select <strong>Use Android Studio's 142 SDK</strong>. 143 </li> 144 145 <li>If prompted to update the Gradle plugin, update the version of the 146 plugin. 147 </li> 148 149 <li>In the <code>build.gradle</code> file for the Wear module: 150 <ul> 151 <li>In the <code>android</code> section, update the 152 <code>compileSdkVersion</code> to 24. 153 </li> 154 155 <li>In the <code>android</code> section, update the 156 <code>targetSdkVersion</code> to 24. 157 </li> 158 159 <li>In the <code>dependencies</code> section, update 160 the existing reference to the 161 Wearable Support Library (for example, <code>compile 162 'com.google.android.support:wearable:1.4.0'</code>) by changing it to the 163 following, which requires that your the Google Repository <a href= 164 "#install_android_studio_and_the_latest_packages">is the latest 165 version</a>: 166 <code>compile 'com.google.android.support:wearable:2.0.0-alpha2'</code> 167 </li> 168 </ul> 169 </li> 170 171 <li>See the following page for setting up a watch or emulator with a 172 preview system image, in order to begin testing your app: <a href= 173 "{@docRoot}wear/preview/downloads.html">Download and Test with a 174 Device</a> 175 </li> 176 </ol> 177 178 <h3 id="create_a_new_project"> 179 Create a new project 180 </h3> 181 182 <p> 183 To create a new project for development: 184 </p> 185 186 <ol> 187 <li>Click <strong>File > New Project</strong> and follow the steps in 188 the Create New Project wizard until you reach the Target Android Devices 189 page. 190 </li> 191 192 <li>Optionally, select the <strong>Phone and Tablet</strong> option. If 193 you plan to use N Preview APIs in a phone app, then the Minimum SDK 194 option list, select <strong>API N: Android 6.x (N Preview)</strong>. 195 </li> 196 197 <li>Select the <strong>Wear</strong> option, and in the Minimum SDK 198 option list, select the latest available (<strong>N Preview</strong>) 199 option. Click <strong>Next</strong> until you exit the Create New Project 200 wizard. 201 </li> 202 203 <li>In the <code>build.gradle</code> file for the Wear module: 204 <ul> 205 <li>In the <code>android</code> section, update the 206 <code>compileSdkVersion</code> to 24. 207 </li> 208 <li>In the <code>android</code> section, update the 209 <code>targetSdkVersion</code> to 24. 210 </li> 211 <li>In the <code>dependencies</code> section, update 212 the existing reference to the 213 Wearable Support Library (for example, <code>compile 214 'com.google.android.support:wearable:1.4.0'</code>) by changing it to the 215 following, which requires that your the Google Repository <a href= 216 "#install_android_studio_and_the_latest_packages">is the latest 217 version</a>: 218 <code>compile 'com.google.android.support:wearable:2.0.0-alpha2'</code> 219 </li> 220 </ul> 221 </li> 222 223 <li>See the following page for setting up a watch or emulator with a 224 preview system image, in order to begin testing your app: <a href= 225 "{@docRoot}wear/preview/downloads.html">Download and Test with a 226 Device</a> 227 </li> 228 </ol> 229
