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-page.title=Installing the SDK
-
-@jd:body
-
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-
-<div id="qv-wrapper">
-<div id="qv">
-
- <h2>In this document</h2>
- <ol>
- <li><a href="#Preparing">1. Preparing Your Development Computer</a></li>
- <li><a href="#Installing">2. Downloading the SDK Starter Package</a></li>
- <li><a href="#InstallingADT">3. Installing the ADT Plugin for Eclipse</a></li>
- <li><a href="#AddingComponents">4. Adding Platforms and Other Packages</a>
- <ol>
- <li><a href="#components">Available Packages</a></li>
- <li><a href="#which">Recommended Packages</a></li>
- </ol></li>
- <li><a href="#sdkContents">5. Exploring the SDK (Optional)</a></li>
- <li><a href="#NextSteps">Next Steps</a></li>
- <li><a href="#troubleshooting">Troubleshooting</a></li>
- </ol>
-
-<h2>See also</h2>
- <ol>
- <li><a href="{@docRoot}sdk/eclipse-adt.html">ADT Plugin for Eclipse</a></li>
- <li><a href="{@docRoot}sdk/adding-components.html">Adding SDK Packages</a></li>
- </ol>
-
-</div>
-</div>
-
-<p>This page describes how to install the Android SDK
-and set up your development environment for the first time.</p>
-
-<p>If you encounter any problems during installation, see the
-<a href="#troubleshooting">Troubleshooting</a> section at the bottom of
-this page.</p>
-
-<h4>Updating?</h4>
-
-<p>If you already have an Android SDK, use the Android SDK Manager tool to install
-updated tools and new Android platforms into your existing environment. For information about how to
-do that, see <a href="{@docRoot}sdk/adding-components.html">Adding SDK Packages</a>.</p>
-
-
-<h2 id="Preparing">Step 1. Preparing Your Development Computer</h2>
-
-<p>Before getting started with the Android SDK, take a moment to confirm that
-your development computer meets the <a href="requirements.html">System
-Requirements</a>. In particular, you might need to install the <a
-href="http://java.sun.com/javase/downloads/index.jsp">JDK</a>, if you don't have it already. </p>
-
-<p>If you will be developing in Eclipse with the Android Development
-Tools (ADT) Plugin&mdash;the recommended path if you are new to
-Android&mdash;make sure that you have a suitable version of Eclipse
-installed on your computer as described in the
-<a href="requirements.html">System Requirements</a> document.
-If you need to install Eclipse, you can download it from this location: </p>
-
-<p style="margin-left:2em;"><a href=
-"http://www.eclipse.org/downloads/">http://www.eclipse.org/downloads/</a></p>
-
-<p>The "Eclipse Classic" version is recommended. Otherwise, a Java or
-RCP version of Eclipse is recommended.</p>
-
-
-<h2 id="Installing">Step 2. Downloading the SDK Starter Package</h2>
-
-<p>The SDK starter package is not a full
-development environment&mdash;it includes only the core SDK Tools, which you can
-use to download the rest of the SDK packages (such as the latest Android platform).</p>
-
-<p>If you haven't already, get the latest version of the SDK starter package from the <a
-href="{@docRoot}sdk/index.html">SDK download page</a>.</p>
-
-<p>If you downloaded a {@code .zip} or {@code .tgz} package (instead of the SDK installer), unpack
-it to a safe location on your machine. By default, the SDK files are unpacked
-into a directory named <code>android-sdk-&lt;machine-platform&gt;</code>.</p>
-
-<p>If you downloaded the Windows installer ({@code .exe} file), run it now and it will check
-whether the proper Java SE Development Kit (JDK) is installed (installing it, if necessary), then
-install the SDK Tools into a default location (which you can modify).</p>
-
-<p>Make a note of the name and location of the SDK directory on your system&mdash;you will need to
-refer to the SDK directory later, when setting up the ADT plugin and when using
-the SDK tools from the command line.</p>
-
-
-<h2 id="InstallingADT">Step 3. Installing the ADT Plugin for Eclipse</h2>
-
-<p>Android offers a custom plugin for the Eclipse IDE, called Android
-Development Tools (ADT), that is designed to give you a powerful, integrated
-environment in which to build Android applications. It extends the capabilites
-of Eclipse to let you quickly set up new Android projects, create an application
-UI, debug your applications
-using the Android SDK tools, and even export signed (or unsigned) APKs in order
-to distribute your application. In general, developing in Eclipse with ADT is a
-highly recommended approach and is the fastest way to get started with Android.
-</p>
-
-<p>If you'd like to use ADT for developing Android applications, install it now.
-Read <a href="{@docRoot}sdk/eclipse-adt.html#installing">Installing the ADT Plugin</a> for
-step-by-step installation instructions, then return here to continue the
-last step in setting up your Android SDK.</p>
-
-<p>If you prefer to work in a different IDE, you do not need to
-install Eclipse or ADT. Instead, you can directly use the SDK tools to build and
-debug your application. The <a href="{@docRoot}guide/developing/index.html">Introduction</a>
-to Android application development outlines the major steps that you need to complete when
-developing in Eclipse or other IDEs.</p>
-
-
-
-<h2 id="AddingComponents">Step 4. Adding Platforms and Other Packages</h2>
-
-<p>The last step in setting up your SDK is using the Android SDK Manager (a
-tool included in the SDK starter package) to download essential SDK packages into your development
-environment.</p>
-
-<p>The SDK uses a modular structure that separates the major parts of the SDK&mdash;Android platform
-versions, add-ons, tools, samples, and documentation&mdash;into a set of separately installable
-packages. The SDK starter package, which you've already downloaded, includes only a single
-package: the latest version of the SDK Tools. To develop an Android application, you also need to
-download at least one Android platform and the associated platform tools. You can add other
-packages and platforms as well, which is highly recommended.</p>
-
-<p>If you used the Windows installer, when you complete the installation wizard, it will launch the
-Android SDK Manager with a default set of platforms and other packages selected
-for you to install. Simply click <strong>Install</strong> to accept the recommended set of
-packages and install them. You can then skip to <a href="#sdkContents">Step 5</a>, but we
-recommend you first read the section about the <a href="#components">Available Packages</a> to
-better understand the packages available from the Android SDK Manager.</p>
-
-<p>You can launch the Android SDK Manager in one of the following ways:</p>
-<ul>
- <li>From within Eclipse, select <strong>Window &gt; Android SDK Manager</strong>.</li>
- <li>On Windows, double-click the <code>SDK Manager.exe</code> file at the root of the Android
-SDK directory.</li>
- <li>On Mac or Linux, open a terminal and navigate to the <code>tools/</code> directory in the
-Android SDK, then execute: <pre>android</pre> </li>
-</ul>
-
-<p>To download packages, use the graphical UI of the Android SDK
-Manager to browse the SDK repository and select new or updated
-packages (see figure 1). The Android SDK Manager installs the selected packages in
-your SDK environment. For information about which packages you should download, see <a
-href="#which">Recommended Packages</a>.</p>
-
-<img src="/images/sdk_manager_packages.png" />
-<p class="img-caption"><strong>Figure 1.</strong> The Android SDK Manager's
-<strong>Available Packages</strong> panel, which shows the SDK packages that are
-available for you to download into your environment.</p>
-
-
-<h3 id="components">Available Packages</h3>
-
-<p>By default, there are two repositories of packages for your SDK: <em>Android
-Repository</em> and <em>Third party Add-ons</em>.</p>
-
-<p>The <em>Android Repository</em> offers these types of packages:</p>
-
-<ul>
-<li><strong>SDK Tools</strong> &mdash; Contains tools for debugging and testing your application
-and other utility tools. These tools are installed with the Android SDK starter package and receive
-periodic updates. You can access these tools in the <code>&lt;sdk&gt;/tools/</code> directory of
-your SDK. To learn more about
-them, see <a href="{@docRoot}guide/developing/tools/index.html#tools-sdk">SDK Tools</a> in the
-developer guide.</li>
-
-<li><strong>SDK Platform-tools</strong> &mdash; Contains platform-dependent tools for developing
-and debugging your application. These tools support the latest features of the Android platform and
-are typically updated only when a new platform becomes available. You can access these tools in the
-<code>&lt;sdk&gt;/platform-tools/</code> directory. To learn more about them, see <a
-href="{@docRoot}guide/developing/tools/index.html#tools-platform">Platform Tools</a> in the
-developer guide.</li>
-
-<li><strong>Android platforms</strong> &mdash; An SDK platform is
-available for every production Android platform deployable to Android-powered devices. Each
-SDK platform package includes a fully compliant Android library, system image, sample code,
-and emulator skins. To learn more about a specific platform, see the list of platforms that appears
-under the section "Downloadable SDK Packages" on the left part of this page.</li>
-
-<li><strong>USB Driver for Windows</strong> (Windows only) &mdash; Contains driver files
-that you can install on your Windows computer, so that you can run and debug
-your applications on an actual device. You <em>do not</em> need the USB driver unless
-you plan to debug your application on an actual Android-powered device. If you
-develop on Mac OS X or Linux, you do not need a special driver to debug
-your application on an Android-powered device. See <a
-href="{@docRoot}guide/developing/device.html">Using Hardware Devices</a> for more information
-about developing on a real device.</li>
-
-<li><strong>Samples</strong> &mdash; Contains the sample code and apps available
-for each Android development platform. If you are just getting started with
-Android development, make sure to download the samples to your SDK. <!--The download
-includes not only a set of very useful sample apps, but also the source for <a
-href="{@docRoot}resources/tutorials/hello-world.html">Hello World</a> and other
-tutorials. --></li>
-
-<li><strong>Documentation</strong> &mdash; Contains a local copy of the latest
-multiversion documentation for the Android framework API. </li>
-</ul>
-
-<p>The <em>Third party Add-ons</em> provide packages that allow you to create a development
-environment using a specific Android external library (such as the Google Maps library) or a
-customized (but fully compliant) Android system image. You can add additional Add-on repositories by
-clicking <strong>Add Add-on Site</strong>.</p>
-
-
-<h3 id="which">Recommended Packages</h3>
-
-<p>The SDK repository contains a range of packages that you can download.
-Use the table below to determine which packages you need, based on whether you
-want to set up a basic, recommended, or full development environment:
-</p>
-
-<table style="width:95%">
-
-<tr>
-<th>Environment</th>
-<th>SDK&nbsp;Package</th>
-<th>Comments</th>
-</tr>
-
-<tr>
-<td rowspan="3" style="font-size:.9em;background-color:#FFE;">Basic</td>
-<td style="font-size:.9em;background-color:#FFE;">SDK Tools</td>
-<td style="font-size:.9em;background-color:#FFE;">If you've just installed
-the SDK starter package, then you already have the latest version of this package. The
-SDK Tools package is required to develop an Android application. Make sure you keep this up to
-date.</td>
-</tr>
-
-<tr>
-<td style="font-size:.9em;background-color:#FFE;">SDK Platform-tools</td>
-<td style="font-size:.9em;background-color:#FFE;">This includes more tools that are required
-for application development. These tools are platform-dependent and typically update only when
-a new SDK platform is made available, in order to support new features in the platform. These
-tools are always backward compatible with older platforms, but you must be sure that you have
-the latest version of these tools when you install a new SDK platform.</td>
-</tr>
-
-<tr>
-<td style="font-size:.9em;background-color:#FFE;">SDK platform</td>
-<td style="font-size:.9em;background-color:#FFE;">You need to download <strong
-style="color:red">at least one platform</strong> into your environment, so that
-you will be able to compile your application and set up an Android Virtual
-Device (AVD) to run it on (in the emulator). To start with, just download the
-latest version of the platform. Later, if you plan to publish your application,
-you will want to download other platforms as well, so that you can test your
-application on the full range of Android platform versions that your application supports.</td>
-</tr>
-<tr>
-<td colspan="2"
-style="border:none;text-align:center;font-size:1.5em;font-weight:bold;">+</td><td
-style="border:none"></td>
-</tr>
-<tr>
-<td rowspan="3">Recommended<br/>(plus Basic)</td>
-<td>Documentation</td>
-<td>The Documentation package is useful because it lets you work offline and
-also look up API reference information from inside Eclipse.</td>
-</tr>
-
-<tr>
-<td>Samples</td>
-<td>The Samples packages give you source code that you can use to learn about
-Android, load as a project and run, or reuse in your own app. Note that multiple
-samples packages are available &mdash; one for each Android platform version. When
-you are choosing a samples package to download, select the one whose API Level
-matches the API Level of the Android platform that you plan to use.</td>
-</tr>
-<tr>
-<td>Usb Driver</td>
-<td>The Usb Driver package is needed only if you are developing on Windows and
-have an Android-powered device on which you want to install your application for
-debugging and testing. For Mac OS X and Linux platforms, no
-special driver is needed.</td>
-</tr>
-<tr>
-<td colspan="2"
-style="border:none;text-align:center;font-size:1.5em;font-weight:bold;">+</td><td
-style="border:none"></td>
-</tr>
-<tr>
-<td rowspan="3">Full<br/>(plus Recommended)</td>
-<td>Google APIs</td>
-<td>The Google APIs add-on gives your application access to the Maps external
-library, which makes it easy to display and manipulate Maps data in your
-application. </td>
-</tr>
-<tr>
-<td>Additional SDK Platforms</td>
-<td>If you plan to publish your application, you will want to download
-additional platforms corresponding to the Android platform versions on which you
-want the application to run. The recommended approach is to compile your
-application against the lowest version you want to support, but test it against
-higher versions that you intend the application to run on. You can test your
-applications on different platforms by running in an Android Virtual Device
-(AVD) on the Android emulator.</td>
-</tr>
-
-</table>
-
-<p>Once you've installed at least the basic configuration of SDK packages, you're ready to start
-developing Android apps. The next section describes the contents of the Android SDK to familiarize
-you with the packages you've just installed.</p>
-
-<p>For more information about using the Android SDK Manager, see the <a
-href="{@docRoot}sdk/adding-components.html">Adding SDK Packages</a> document. </p>
-
-
-<h2 id="sdkContents">Step 5. Exploring the SDK (Optional)</h2>
-
-<p>Once you've installed the SDK and downloaded the platforms, documentation,
-and add-ons that you need, we suggest that you open the SDK directory and take a look at what's
-inside.</p>
-
-<p>The table below describes the full SDK directory contents, with packages
-installed. </p>
-
-<table>
-<tr>
-<th colspan="3">Name</th><th>Description</th>
-</tr>
-<tr>
-<td colspan="3"><code>add-ons/</code></td>
-<td>Contains add-ons to the Android SDK development
-environment, which let you develop against external libraries that are available on some
-devices. </td>
-</tr>
-<tr>
-<td colspan="3"><code>docs/</code></td>
-<td>A full set of documentation in HTML format, including the Developer's Guide,
-API Reference, and other information. To read the documentation, load the
-file <code>offline.html</code> in a web browser.</td>
-</tr>
-<tr>
-<td colspan="3"><code>platform-tools/</code></td>
-<td>Contains platform-dependent development tools that may be updated with each platform release.
-The platform tools include the Android Debug Bridge ({@code adb}) as well as other tools that you
-don't typically use directly. These tools are separate from the development tools in the {@code
-tools/} directory because these tools may be updated in order to support new
-features in the latest Android platform.</td>
-</tr>
-<tr>
-<td colspan="3"><code>platforms/</code></td>
-<td>Contains a set of Android platform versions that you can develop
-applications against, each in a separate directory. </td>
-</tr>
-<tr>
-<td style="width:2em;"></td>
-<td colspan="2"><code><em>&lt;platform&gt;</em>/</code></td>
-<td>Platform version directory, for example "android-11". All platform version directories contain
-a similar set of files and subdirectory structure. Each platform directory also includes the
-Android library (<code>android.jar</code>) that is used to compile applications against the
-platform version.</td>
-</tr>
-<tr>
-<td colspan="3"><code>samples/</code></td>
-<td>Sample code and apps that are specific to platform version.</td>
-</tr>
-<tr>
-<td colspan="3"><code>tools/</code></td>
-<td>Contains the set of development and profiling tools that are platform-independent, such
-as the emulator, the Android SDK Manager, the AVD Manager, <code>ddms</code>,
-<code>hierarchyviewer</code>
-and more. The tools in this directory may be updated at any time using the Android SDK
-Manager and are independent of platform releases.</td>
-</tr>
-<tr>
-<td colspan="3"><code>SDK Readme.txt</code></td>
-<td>A file that explains how to perform the initial setup of your SDK,
-including how to launch the Android SDK Manager tool on all
-platforms.</td>
-</tr>
-<tr>
-<td colspan="3"><code>SDK Manager.exe</code></td>
-<td>Windows SDK only. A shortcut that launches the Android SDK
-Manager tool, which you use to add packages to your SDK.</td>
-</tr>
-<!--<tr>
-<td colspan="3"><code>documentation.html</code></td>
-<td>A file that loads the entry page for the local Android SDK
-documentation.</td>
-</tr>-->
-
-</table>
-
-
-<p>Optionally, you might want to add the location of the SDK's <code>tools/</code> and
-<code>platform-tools</code> to your <code>PATH</code> environment variable, to provide easy
-access to the tools.</p>
-
-
-<div class="toggleable closed">
- <a href="#" onclick="return toggleDiv(this)">
- <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px"
-width="9px" />
- How to update your PATH</a>
- <div class="toggleme">
-
-<p>Adding both <code>tools/</code> and <code>platform-tools/</code> to your PATH lets you run
-command line <a href="{@docRoot}guide/developing/tools/index.html">tools</a> without needing to
-supply the full path to the tool directories. Depending on your operating system, you can
-include these directories in your PATH in the following way:</p>
-
-<ul>
-
- <li>On Windows, right-click on My Computer, and select Properties.
- Under the Advanced tab, hit the Environment Variables button, and in the
- dialog that comes up, double-click on Path (under System Variables). Add the full path to the
- <code>tools/</code> and <code>platform-tools/</code> directories to the path. </li>
-
- <li>On Linux, edit your <code>~/.bash_profile</code> or <code>~/.bashrc</code> file. Look
- for a line that sets the PATH environment variable and add the
- full path to the <code>tools/</code> and <code>platform-tools/</code> directories to it. If you
- don't see a line setting the path, you can add one:
- <pre>export PATH=${PATH}:&lt;sdk&gt;/tools:&lt;sdk&gt;/platform-tools</pre>
- </li>
-
- <li>On a Mac OS X, look in your home directory for <code>.bash_profile</code> and
- proceed as for Linux. You can create the <code>.bash_profile</code> if
- you don't already have one. </li>
-</ul>
-
-</div><!-- end toggleme -->
-</div><!-- end toggleable -->
-
-
-<h2 id="NextSteps">Next Steps</h2>
-<p>Once you have completed installation, you are ready to
-begin developing applications. Here are a few ways you can get started: </p>
-
-<p><strong>Set up the Hello World application</strong></p>
-<ul>
- <li>If you have just installed the SDK for the first time, go to the <a
- href="{@docRoot}resources/tutorials/hello-world.html">Hello
- World tutorial</a>. The tutorial takes you step-by-step through the process
- of setting up your first Android project, including setting up an Android
- Virtual Device (AVD) on which to run the application.
-</li>
-</ul>
-
-<p class="note">Following the Hello World tutorial is an essential
-first step in getting started with Android development. </p>
-
-<p><strong>Learn about Android</strong></p>
-<ul>
- <li>Take a look at the <a href="{@docRoot}guide/index.html">Dev
- Guide</a> and the types of information it provides.</li>
- <li>Read an introduction to Android as a platform in <a
- href="{@docRoot}guide/basics/what-is-android.html">What is
- Android?</a></li>
- <li>Learn about the Android framework and how applications run on it in
- <a href="{@docRoot}guide/topics/fundamentals.html">Application
- Fundamentals</a>.</li>
- <li>Take a look at the Android framework API specification in the <a
- href="{@docRoot}reference/packages.html">Reference</a> tab.</li>
-</ul>
-
-<p><strong>Explore the development tools</strong></p>
-<ul>
- <li>Get an overview of the <a
- href="{@docRoot}guide/developing/tools/index.html">development
- tools</a> that are available to you.</li>
- <li>Read the <a href="{@docRoot}guide/developing/index.html">Introduction</a> to Android
-application development.
- </li>
- <li>Read <a href="{@docRoot}guide/developing/device.html">Using Hardware Devices</a> to learn
-how to set up an Android-powered device so you can run and test your application.</li>
-</ul>
-
-<p><strong>Follow the Notepad tutorial</strong></p>
-
-<ul>
- <li>The <a href="{@docRoot}resources/tutorials/notepad/index.html">
- Notepad Tutorial</a> shows you how to build a full Android application
- and provides helpful commentary on the Android system and API. The
- Notepad tutorial helps you bring together the important design
- and architectural concepts in a moderately complex application.
- </li>
-</ul>
-<p class="note">Following the Notepad tutorial is an excellent
-second step in getting started with Android development. </p>
-
-<p><strong>Explore some code</strong></p>
-
-<ul>
- <li>The Android SDK includes sample code and applications for each platform
-version. You can browse the samples in the <a
-href="{@docRoot}resources/index.html">Resources</a> tab or download them
-into your SDK using the Android SDK Manager. Once you've downloaded the
-samples, you'll find them in
-<code><em>&lt;sdk&gt;</em>/samples/<em>&lt;platform&gt;/</em></code>. </li>
-</ul>
-
-<p><strong>Visit the Android developer groups</strong></p>
-<ul>
- <li>Take a look at the <a
- href="{@docRoot}resources/community-groups.html">Community</a> pages to see a list of
- Android developers groups. In particular, you might want to look at the
- <a href="http://groups.google.com/group/android-developers">Android
- Developers</a> group to get a sense for what the Android developer
- community is like.</li>
-</ul>
-
-<h2 id="troubleshooting">Troubleshooting</h2>
-
-<h3>Ubuntu Linux Notes</h3>
-
-<ul>
- <li>If you need help installing and configuring Java on your
- development machine, you might find these resources helpful:
- <ul>
- <li><a href="https://help.ubuntu.com/community/Java">https://help.ubuntu.com/community/Java </a></li>
- <li><a href="https://help.ubuntu.com/community/Java">https://help.ubuntu.com/community/JavaInstallation</a></li>
- </ul>
- </li>
- <li>Here are the steps to install Java and Eclipse, prior to installing
- the Android SDK and ADT Plugin.
- <ol>
- <li>If you are running a 64-bit distribution on your development
- machine, you need to install the <code>ia32-libs</code> package using
- <code>apt-get:</code>:
- <pre>apt-get install ia32-libs</pre>
- </li>
- <li>Next, install Java: <pre>apt-get install sun-java6-jdk</pre></li>
- <li>The Ubuntu package manager does not currently offer an Eclipse 3.3
- version for download, so we recommend that you download Eclipse from
- eclipse.org (<a
- href="http://www.eclipse.org/downloads/">http://www.eclipse.org/
- downloads/</a>). A Java or RCP version of Eclipse is recommended.</li>
- <li>Follow the steps given in previous sections to install the SDK
- and the ADT plugin. </li>
- </ol>
- </li>
-</ul>
-
-<h3>Other Linux Notes</h3>
-
-<ul>
- <li>If JDK is already installed on your development computer, please
- take a moment to make sure that it meets the version requirements listed
- in the <a href="requirements.html">System Requirements</a>.
- In particular, note that some Linux distributions may include JDK 1.4 or Gnu
- Compiler for Java, both of which are not supported for Android development.</li>
-</ul>