Go Public with Your Android Application: Signing and Deployment

In order to deploy your application on Android devices (and on the Android Market), you need to sign it. Luckily, you can generate your own certificate and use it to sign your application. Find out how the process works.

Connecting to the Web: I/O Programming in Android

Learn how to connect your Android app to the web using an HTTP connection and how to parse XML files to extract useful information.