The main application module that integrates all features and hosts app-specific UI screens not large enough for their own module. PodcastApp initializes the app; ClientConfigurator registers service implementations (download, sync) at startup.

The miniplayer (the collapsed player bar at the bottom of the screen) is implemented in ExternalPlayerFragment. It is hosted in MainActivity as a bottom sheet. MainActivity controls its visibility via setPlayerVisible() based on playback state.

Wear OS Communication (play flavor only)

WearListenerService is a WearableListenerService that handles DataLayer messages from connected watches. It responds to watch-initiated requests. The service is kept alive by the Android framework while at least one watch is connected.