The document discusses best practices for media playback in Android, focusing on APIs such as ExoPlayer and MediaSession. It covers audio focus management, notifications, and the lifecycle of media playback, providing code examples and resources. Key features of ExoPlayer and its support for various streaming formats are also highlighted.

1. Best Practices in Media Playback
Hassan ABID
@hassanabidpk +HassanAbid hassanabid.com

2. Agenda
•Media playback APIs
•ExoPlayer

3. Goal
When to use the
right APIs
to build the best audio or video playback app
possible

4. Important Events in Media Playback

5. Media Playback and Android Life Cycle

6. Media playback the right way

7. Playing Media

8. Right Way
Action Becoming
Noisy
MediaSession
Audio
Focus
Notifications
Local
Always

9. Audio Focus
Ensure apps don’t talk over one another
Hold audio focus until we’ve stopped
playback

10. Audio Focus (Code)
Permission 승인
onStop

11. Audio Focus (AudioFocusChangeListener)

12. ACTION_AUDIO_BECOMING_NOISY
PAUSE

13. Life cycle of media playback

14. MediaSession
or MediaSessionCompat (Video)

15. MediaSessionCompat

16. Role of Callback class
onPlay(),onPause(), etc,
Serves as a single point in your app for all
media control callbacks

17. MediaSessionCompat

18. PlaybackStateCompat

19. MediaMetadataCompat

20. Media Notifications (NotificationCompat.MediaStyle)

21. MediaControllerCompat
&
MediaBrowserCompat

22. Minimum Viable Product

23. UAMP App
https://github.com/googlesamples/android-UniversalMusicPlayer

24. ExoPlayer
https://github.com/google/ExoPlayer

25. TERMS
DASH : Dynamic Adaptive Streaming over HTTP
HLS : Http Live Streaming
DRM : Digital Rights Management
MPD : Media Presentation
ABR : Adaptive Bitrate Streaming

26. What is ExoPlayer
The ExoPlayer provides many sophisticated features
such as Dynamic adaptive streaming over HTTP
(DASH), SmoothStreaming and Common Encryption.
It's designed
to be easy to customize and extend, and many
components can be replaced with custom
implementations. Because ExoPlayer is a library that
you include in your application, it can be easily
updated along with your app.

27. Pros
Supports DASH,HLS, Smooth-Streaming …
DRM protected content
Customizable
Easily Updatable
Few device specific issues

28. Adaptive Media Playback (DASH,HLS etc.)

29. DASH object Model

30. Sample Code

31. Talks to follow
Streaming Media with ExoPlayer (I/O 16)
High Performance Audio (I/O 16)
Best Practices in Media playback (I/O 16)
ExoPlayer Talk (Hassan)

32. Thank You!