Official Description: Contains support code for tree composition
Jetpack Compose is Google’s next-generation UI construction framework and
toolkit for Android app development. The long-term objective is to replace
View-based system with one that is designed to work well with reactive
APIs and is based on modern UI approaches.
Right now (October 2019), Jetpack Compose is in a pre-alpha state.
This particular artifact is the runtime engine for Compose, knowing how to build up trees of UI nodes and maintain them in the face of reactive changes to data.
compose-compiler artifact for more resources
related to Jetpack Compose.