1page.title=Building Your First App 2page.metaDescription=If you're new to Android app development, this where you should begin. This series of lessons shows you how to create a new project, build a simple app, and run it on a device or emulator. 3 4trainingnavtop=true 5startpage=true 6next.title=Creating an Android Project 7next.link=creating-project.html 8 9@jd:body 10 11<div id="tb-wrapper"> 12<div id="tb"> 13 14<h2>Dependencies and prerequisites</h2> 15 16<ul> 17 <li><a href="http://developer.android.com/sdk/index.html">Android SDK</a></li> 18 <li><a href="{@docRoot}tools/sdk/eclipse-adt.html">ADT Plugin</a> 22.6.2 or higher 19 (if you're using Eclipse)</li> 20</ul> 21 22</div> 23</div> 24 25<p>Welcome to Android application development!</p> 26 27<p>This class teaches you how to build your first Android app. You’ll learn how to create an Android 28project and run a debuggable version of the app. You'll also learn some fundamentals of Android app 29design, including how to build a simple user interface and handle user input.</p> 30 31<p>Before you start this class, be sure you have your development environment set up. You need 32to:</p> 33<ol> 34 <li>Download the Android SDK.</li> 35 <li>Install the ADT plugin for Eclipse (if you’ll use the Eclipse IDE).</li> 36 <li>Download the latest SDK tools and platforms using the SDK Manager.</li> 37</ol> 38 39<p class="note"><strong>Note:</strong> Make sure you install the most recent versions of the ADT 40plugin and the Android SDK before you start this class. The procedures described in this class may 41not apply to earlier versions.</p> 42 43<p>If you haven't already done these tasks, start by downloading the 44 <a href="{@docRoot}sdk/index.html">Android SDK</a> and following the install steps. 45 Once you've finished the setup, you're ready to begin this class.</p> 46 47<p>This class uses a tutorial format that incrementally builds a small Android app that teaches 48you some fundamental concepts about Android development, so it's important that you follow each 49step.</p> 50 51<p><strong><a href="creating-project.html">Start the first lesson ›</a></strong></p> 52 53