Installing and Configuring Your Support Tools
It’s time to put these exciting Android concepts into action, but before you can do so, you need to install and configure a few tools, including the software development kits (SDKs):
Java JDK: Lays the foundation for the Android SDK.
Android SDK: Provides access to Android libraries and allows you to develop for Android.
Eclipse IDE (integrated development environment): Brings together Java, the Android SDK, and the Android Android Development Tools (ADT) and provides tools for you to write Android programs.
Android ADT: Does a lot of the grunt work for you, such as creating the files and structure required for an Android app.
The following sections show you how to acquire and install all these tools.