Android developer portal with tools, libraries, and apps

AIDE is a complete integrated development environment for your Android device.

It is an Android development environment based on IntelliJ IDEA.

Android Development Tools (ADT) is a plugin for the Eclipse IDE that is designed to give you a powerful, integrated environment in which to build Android applications.

Being the most intelligent IDE for Java IntelliJ IDEA provides out-of-the-box Android support that includes intelligent coding assistance, for professional development of Android applications.