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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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As your user interacts with your app's experiences on AI glasses, you'll need to
communicate information back to them to provide a high-quality, interactive user
experience.

This guide explains the following areas:

- [Handling audio output using Text to Speech](https://developer.android.com/develop/xr/jetpack-xr-sdk/tts).
- [Integrating with the Gemini Live API](https://developer.android.com/develop/xr/jetpack-xr-sdk/gemini-live).

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

- [Android activities](https://developer.android.com/guide/components/activities/intro-activities)
- [The activity lifecycle](https://developer.android.com/guide/components/activities/activity-lifecycle)
- [Activity state changes](https://developer.android.com/guide/components/activities/state-changes)