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Applicable XR devices  
This guidance helps you build experiences for these types of XR devices.  
[Learn about XR device types →](https://developer.android.com/develop/xr/devices)  
![](https://developer.android.com/static/images/develop/xr/ai-glasses-icon.svg) AI Glasses [](https://developer.android.com/develop/xr/devices#ai-glasses)  
[Learn about XR device types →](https://developer.android.com/develop/xr/devices)

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After you've learned the basics for [creating an activity for AI glasses](https://developer.android.com/develop/xr/jetpack-xr-sdk/ai-glasses/first-activity),
you can take advantage of the unique hardware available on the glasses, such as
the camera and microphone. Accessing AI glasses hardware lets you build more
immersive and integrated experiences.

There are many scenarios where your app might want to use AI glasses hardware.
For example, a video conferencing app could add a UI control that allows the
user to switch their video stream from the phone's camera to the AI glasses'
camera, offering a first-person point of view.

This guide explains the following areas:

- [Requesting hardware permissions](https://developer.android.com/develop/xr/jetpack-xr-sdk/request-hardware-permissions)
- [Using a projected context to access AI glasses hardware](https://developer.android.com/develop/xr/jetpack-xr-sdk/access-hardware-projected-context)

This guide assumes you're familiar with the following concepts:

- [Permissions](https://developer.android.com/guide/topics/permissions/overview)