Android Studio 4.0 has released today, and it's a massive update with a variety of new designing and building tools for developers.

The latest edition of the free Android Studio IDE for creating mobile apps with Java continues to build upon the Instant Run functionality for quicker builds of incremental code changes.

Android Studio is Google’s officially supported IDE for developing Android apps. This IDE is based on IntelliJ IDEA, which offers a powerful code editor and developer tools.