Building media apps on Wear OS
summary
Practical roadmap for a Watch-first media app: use the Wear Media Toolkit, Media3 ExoPlayer and Horologist libraries to get a production-ready player, downloads via Media3 DownloadManager + WorkManager, and a full sample app demonstrating offline sync, artwork fetching and audio offload. The player guards against accidental speaker playback by requiring a Bluetooth output, exposes a volume screen with rotary support, wires MediaSession controls, and shows measurable gains—cold start drops ~900ms→<700ms and player ready ~4s→1.5s.
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chapters (6)
- 0:00Start
- 3:42Jetpack Media3
- 8:11App Architecture
- 12:11Library screen
- 12:33Playlist screen
- 12:58Volume screen
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