# XR Compose API Reference

> Compose APIs for building spatial XR interfaces and scene-aligned content.

Depends on [Compose UI](https://composables.com/jetpack-compose/androidx.compose.ui.md).

## Packages

- [Compose](https://composables.com/jetpack-compose/androidx.xr.compose/compose/dependency.md): Core XR Compose APIs for spatial layouts and subspace content.
- [Compose Testing](https://composables.com/jetpack-compose/androidx.xr.compose/compose-testing/dependency.md): Testing APIs for XR Compose content and spatial UI behavior.