# AndroidX (formerly known as Android Support) libraries have moved `frameworks/support` is no longer part of the platform checkout. Android platform now uses prebuilts of AndroidX for everything. AndroidX is being developed as an unbundled project. # Next steps - For source-code for your IDE, please use `*-sources.jar`s in `prebuilts/sdk/current/androidx` - To contribute, check out the AOSP ([onboarding guide](https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:docs/onboarding.md)). - For internal contributions dependent on pre-release platforms, see go/androidx-dev.