> For the complete documentation index, see [llms.txt](https://xreal.gitbook.io/nrsdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xreal.gitbook.io/nrsdk/v2.1.0/development/input-and-camera.md).

# Input and Camera

- [NRInput](https://xreal.gitbook.io/nrsdk/v2.1.0/development/input-and-camera/nrinput.md)
- [Interact with Unity UI (Tutorial)](https://xreal.gitbook.io/nrsdk/v2.1.0/development/input-and-camera/interact-with-unity-ui-tutorial.md)
- [Customize Controller UI](https://xreal.gitbook.io/nrsdk/v2.1.0/development/input-and-camera/customize-phone-controller.md)
- [NRCameraRig](https://xreal.gitbook.io/nrsdk/v2.1.0/development/input-and-camera/nrcamerarig.md)
