Android TV

I gave this talk in DroidCon SF 2016

Transcript

1. DEVELOPING FOR ANDROID TV Effie Barak (@CodingChick)
2. Outline 1. What is familiar in developing for the TV 2. What is different (Leanback)
3. So what is the same?
5. Basic structure
6. Code written for mobile
7. Support libraries required Either Glide or Picasso can work, there are implementation differences
8. Libraries libraries - All support libraries versions need to be the same. - SQLCipher needs to be 3.3.1-1or higher. Android means all of our favorite libraries just work!
9. Application Manifest Changes
10. UI differences and Leanback
11. Leanback main UI elements: Presenter - Leanback's version of a Recycler Adapter, has onBindViewHolder method and a ViewHolder. Not position-based. PresenterSelector - If there's more then one or more types of Presenters displayed in the same view ArrayObjectAdapter- A generic array that contains everything else.
12. Browse page
13. The UI elements in Browse ArrayObjectAdapter ListRowPresenter ImageCardView
14. MainActivity MainFragment CourseCardPresenter Presenter BrowseFragment Contains Extends Uses Classes Involved in Browse
15. UI structure with Udemy Courses
16. Hooking up Listeners
17. CourseCardPresenter extends Presenter (Is just your everyday adapter)
18. The ViewHolder contains ImageCardView
19. Course Details
20. The UI elements in Course Details DetailsOverviewRowPresenter ClassPresenterSelector ListRowPresenter ImageCardView
21. LectureCardPresenter DetailsActivity CourseDetailsFragment DetailsFragment CourseDetailsDescription Presenter AbstractDetailsDescription Presenter Presenter Contains Extends Uses Classes in Details View
22. DetailsOverviewRowPresenter is deprecated New class- FullWidthDetailsOverviewRowPresenter with different UI :(
23. Details row gets its own Presenter
24. Adding Actions to the CourseDetailsRow
25. LecturePresenter is similar to CoursePresenter
26. Hooking it all up to the ClassPresenterSelector
27. Playing a video
28. The UI elements in Playback VideoVideo
29. The UI elements in Playback ClassPresenterSelector PlaybackControlsRow ListRowPresenter
30. Interaction between the Fragment and the Activity Remote control actions PlaybackOverlayActivity PlaybackOverlayFragment Actions on controls Row VideoView Callbacks:
31. Setting up VideoView
32. The VideoView plays things
33. Implementation of MediaSession
34. And the callbacks class
35. playPause method
36. The Actions in the Fragment
37. Hooking up the actions listeners
38. The actions click listeners invoke the MediaController’s methods
39. The controls in the PlaybackControlsRow need to know.
40. Voice search
41. Voice search
42. Searching
43. Getting the search query
44. Loading the results
45. Useful resources: https://github.com/googlesamples/androidtv-Leanback Default auto-generated template https://developer.android.com/training/tv/index.html (Sorta, kinda, maybe)
46. Thank you!
47. UI Testing