Now that you have the Android SDK, it is time to make your first Android project. The good news is that this requires zero lines of code—Android's tools create a "Hello, world!" application for you as part of creating a new project. All you need to do is build it, install it, and watch it open on your emulator or device.
Android's tools can create a complete skeleton project for you, with everything you need for a complete (albeit very trivial) Android application. The process differs depending on whether you are using Eclipse or the command line.
From the Eclipse main menu, choose File
Figure 3.1. Selecting a wizard in the Eclipse New Project dialog box
Click Next to advance ...