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      1 page.title=Adding SDK Packages
      2 
      3 page.tags=sdk manager
      4 helpoutsWidget=true
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     56 
     57 
     58 <p>
     59 By default, the Android SDK does not include everything you need to start developing.
     60 The SDK separates tools, platforms, and other components into packages you can
     61 download as needed using the
     62 <a href="{@docRoot}tools/help/sdk-manager.html">Android SDK Manager</a>.
     63 So before you can start, there are a few packages you should add to your Android SDK.</p>
     64 
     65 <p>To start adding packages, launch the Android SDK Manager in one of the following ways:</p>
     66 <ul>
     67   <li>In Android Studio, click <strong>SDK Manager</strong>
     68 <img src="{@docRoot}images/tools/sdk-manager-studio.png"
     69 style="vertical-align:bottom;margin:0;height:17px" /> in the toolbar.</li>
     70   <li>If you're not using Android Studio:
     71     <ul>
     72       <li>Windows: Double-click the <code>SDK Manager.exe</code> file at the root of the Android
     73   SDK directory.</li>
     74       <li>Mac/Linux: Open a terminal and navigate to the <code>tools/</code> directory in the
     75   Android SDK, then execute <code>android sdk</code>.</li>
     76     </ul>
     77   </li>
     78 </ul>
     79 
     80 <p>When you open the SDK Manager for the first time, several packages are selected by
     81 default. Leave these selected, but be sure you have everything you need
     82 to get started by following these steps:</p>
     83 
     84 
     85 <ol class="large">
     86 <li>
     87   <h2 id="GetTools" class="norule">Get the latest SDK tools</h2>
     88 
     89 <img src="/images/sdk_manager_packages.png" alt="" width="350" style="float:right;margin-left:20px" />
     90 
     91   <p>As a minimum when setting up the Android SDK,
     92   you should download the latest tools and Android platform:</p>
     93   <ol>
     94    <li>Open the Tools directory and select:
     95      <ul>
     96        <li><strong>Android SDK Tools</strong></li>
     97        <li><strong>Android SDK Platform-tools</strong></li>
     98        <li><strong>Android SDK Build-tools</strong> (highest version)</li>
     99      </ul>
    100    </li>
    101    <li>Open the first Android X.X folder (the latest version) and select:
    102      <ul>
    103       <li><strong>SDK Platform</strong></li>
    104       <li>A system image for the emulator, such as <br>
    105       <strong>ARM EABI v7a System Image</strong></li>
    106      </ul>
    107    </li>
    108   </ol>
    109 </li>
    110 
    111 <li>
    112   <h2 id="GetSupportLib" class="norule">Get the support library for additional APIs</h2>
    113 
    114   <div class="sidebox">
    115     <p>The support library is required for:</p>
    116     <ul>
    117       <li><a href="{@docRoot}wear/index.html">Android Wear</a></li>
    118       <li><a href="{@docRoot}tv/index.html">Android TV</a></li>
    119       <li><a href="{@docRoot}google/play-services/cast.html">Google Cast</a></li>
    120     </ul>
    121 
    122     <p>It also provides these popular APIs:</p>
    123     <ul>
    124       <li><a href="{@docRoot}reference/android/support/v4/widget/DrawerLayout.html">Navigation
    125       drawer</a></li>
    126       <li><a href="{@docRoot}reference/android/support/v4/view/ViewPager.html">Swipe views</a></li>
    127       <li><a href="{@docRoot}reference/android/support/v7/app/ActionBar.html">Backward-compatible
    128       action bar</a></li>
    129     </ul>
    130   </div>
    131 
    132   <p>The <a href="{@docRoot}tools/support-library/features.html">Android Support Library</a>
    133   provides an extended set of APIs that are compatible with most versions of Android.</p>
    134 
    135   <p>Open the <strong>Extras</strong> directory and select:</p>
    136      <ul>
    137        <li><strong>Android Support Repository</strong></li>
    138        <li><strong>Android Support Library</strong></li>
    139      </ul>
    140 
    141   <p>&nbsp;</p>
    142   <p>&nbsp;</p>
    143 
    144 </li>
    145 
    146 
    147 <li>
    148   <h2 id="GetGoogle" class="norule">Get Google Play services for even more APIs</h2>
    149 
    150   <div class="sidebox">
    151 
    152     <p>The Google Play services APIs provide a variety of features and services for your Android
    153     apps, such as:</p>
    154     <ul>
    155       <li><a href="{@docRoot}google/play-services/plus.html">User authentication</a></li>
    156       <li><a href="{@docRoot}google/play-services/maps.html">Google Maps</a></li>
    157       <li><a href="{@docRoot}google/play-services/cast.html">Google Cast</a></li>
    158       <li><a href="{@docRoot}google/play-services/games.html">Games achievements and
    159       leaderboards</a></li>
    160       <li><a href="{@docRoot}google/play-services/index.html">And much more</a></li>
    161     </ul>
    162   </div>
    163 
    164   <p>To develop with Google APIs, you need the Google Play services package:</p>
    165   <p>Open the <strong>Extras</strong> directory and select:</p>
    166      <ul>
    167        <li><strong>Google Repository</strong></li>
    168        <li><strong>Google Play services</strong></li>
    169      </ul>
    170 
    171   <p class="note"><strong>Note:</strong> Google Play services APIs are not available on all
    172   Android-powered devices, but are available on all devices with Google Play Store. To use these
    173   APIs in the Android emulator, you must also install the the <strong>Google APIs</strong>
    174   system image from the latest Android X.X directory in the SDK Manager.</p>
    175 </li>
    176 
    177 
    178 <li>
    179   <h2 id="Install" class="norule">Install the packages</h2>
    180   <p>Once you've selected all the desired packages, continue to install:</p>
    181   <ol>
    182    <li>Click <strong>Install X packages</strong>.</li>
    183    <li>In the next window, double-click each package name on the left
    184    to accept the license agreement for each.</li>
    185    <li>Click <strong>Install</strong>.</li>
    186   </ol>
    187   <p>The download progress is shown at the bottom of the SDK Manager window.
    188   <strong>Do not exit the SDK Manager</strong> or it will cancel the download.</p>
    189 </li>
    190 
    191 <li>
    192   <h2 id="Build" class="norule">Build something!</h2>
    193 
    194 <p>With the above packages now in your Android SDK, you're ready to build apps
    195 for Android. As new tools and other APIs become available, simply launch the SDK Manager
    196   to download the new packages for your SDK.</p>
    197 
    198 <p>Here are a few options for how you should proceed:</p>
    199 
    200 <div class="cols" style="padding:10px 0">
    201 <div class="col-4">
    202 <h3>Get started</h3>
    203 <p>If you're new to Android development, learn the basics of Android apps by following
    204 the guide to <strong><a href="{@docRoot}training/basics/firstapp/index.html"
    205 >Building Your First App</a></strong>.</p>
    206 
    207 </div>
    208 <div class="col-4 box">
    209 <h3>Build for wearables</h3>
    210 <p>If you're ready to start building apps for Android wearables, see the guide to
    211 <strong><a href="{@docRoot}wear/preview/start.html">Building Apps for Android Wear</a></strong>.</p>
    212 
    213 </div>
    214 <div class="col-4 box">
    215 <h3>Use Google APIs</h3>
    216 <p>To start using Google APIs, such as Maps or
    217 Play Game services, see the guide to
    218 <strong><a href="{@docRoot}google/play-services/setup.html">Setting Up Google Play
    219 Services</a></strong>.</p>
    220 
    221 </div>
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    223 
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    225 </li>
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