I have some trouble when develop on TV device, Can "v17 leanback library" support 2.x or 4.x device?
"v17 leanback library" is a TV Support Libraries.It request the app's minSdkVersion is "android-L",so app can't run on 2.x or 4.x device.Do you have some suggest?
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This seems to be quite an old question and since the Lollipop announcement, I guess it's easy to say that yes, since the Leanback API has been integrated in a support library.
I actually had some fun implementing the samples and my custom apps using it on Android KitKat and it all works like a charm.
Interesting to say though, you won't have the nice transitions as you can see them on Lollipop.
Edit: It is important to know that the leanback library supports all API levels starting from 17. However, you won't have all transitions and the BackgroundManager will not work prior to API 21.