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> 20.0.0 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>If you haven't already done these tasks, start by downloading the 40 <a href="{@docRoot}sdk/index.html">Android SDK</a> and following the install steps. 41 Once you've finished the setup, you're ready to begin this class.</p> 42 43<p>This class uses a tutorial format that incrementally builds a small Android app that teaches 44you some fundamental concepts about Android development, so it's important that you follow each 45step.</p> 46 47<p><strong><a href="creating-project.html">Start the first lesson ›</a></strong></p> 48 49