chromecast – Cast on LineageOS 20

LineageOS 20, which is based on Android 13, has settings for some screen cast technology, even without having GApps installed. They settings can be found at Settings > Connected devices > Connection preferences > Cast. The UI simply refers to it as Cast, without giving any details on the technology involved or how to set it up.

As per my research, there are two technologies that Android has supported over the years:

  • Miracast, an open standard, introduced with Android 4.2–4.4 and gradually phased out starting with Android 6, ending with Android 9,
  • Google Cast, a proprietary protocol, which requires GApps on the device.

The UI simply tells me no nearby devices were found. I don’t see any controls to search for supported devices (in fact I don’t have any, because I don’t even know which technology they would need to support).

Does LineageOS 20 without GApps come with a complete stack for any screen cast technology? If so, which? If not, can this functionality be added? What would I need to install? If so, is there a way to achieve this without installing any proprietary add-ons?

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