Exoplayer: Is it possible disable Miracast?

[pjunior94]

Is it possible to disable Miracast on Exoplayer when movie start to play?

[ojw28]

My understanding is that Miracast is an OS level feature, and I don't think there's an API that allows an individual app to disable it. It feels like to do so would be a confusing user experience. What is it that you're actually trying to achieve by doing that?

[pjunior94]

One of the requirements to send my product to the PlayStore is disable Miracast on Android devices this way the user can't cast the mobile screen to another device. I thought I could disable it exclusively on Exoplayer.

[ojw28]

Whilst you can't disable Miracast, I think it should be possible for you to query whether it's enabled. You could then show a message to the user asking them to disconnect the external display rather than starting playback.

You can probably do this using DisplayManager.getDisplays, passing DisplayManager.DISPLAY_CATEGORY_PRESENTATION. Note that this will also include other types of presentation displays, such as connecting the mobile device to a TV via an HDMI adapter. I'm guessing that your requirement probably includes this kind of use case as well, so it's probably still what you want.