The Android platform is a software stack for mobile devices including an operating system, middleware and key applications. Developers can create applications for the platform using the Android SDK. Applications are written using the Java programming language and run on Dalvik, a custom virtual machine designed for embedded use, which runs on top of a Linux kernel.
If you want to know how to develop applications for Android, you're in the right place. This site provides a variety of documentation that will help you learn about Android and develop mobile applications for the platform.
A beta version of the Android SDK is available for download. Along with the Android framework and application libraries, it includes sample projects with source code, a device emulator, and development tools for monitoring and debugging your code and GUI layout.



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To start learning about the Android platform, please read the documentation:

What is Android?
An overview of the Android platform

Getting Started
All the basics, including Hello World

Developing Applications
The nuts and bolts of Android applications

Developer Toolbox
In-depth information on specific topics

Reference Information
A myriad of reference material

Sample Code
Several sample Android applications for your viewing pleasure

Frequently Asked Questions
Common issues and questions