Pull request

Description

This commit updates the pillarbox-demo-cast module to use androidx-mediarouter-compose instead of the current CastButton.

Changes made

• Remove the custom CastButton from pillarbox-cast.
• Remove Compose dependencies from pillarbox-cast.
• Add PillarboxCastPlayer.isCastSessionAvailableAsFlow() to pillarbox-cast.
• Add some tests to pillarbox-cast.
• Use the MediaRouteButton from androidx-mediarouter-compose instead.
• Move the Cast icon in the top-right corner so it does not overlap with the player controls.

Checklist

• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).