How to play YouTube videos in background in android?
It is possible to play the audio in the background. However , you are not allowed to do so.
This violation of the Youtube API is cause for immidiate removal from the play store.
During review, we found that your app violates the Prohibited Actions provision of the Content Policy.
We have determined that your app enables background playing of YouTube videos, which is a violation of the YouTube API Terms of Service: "Your API Client will not, and You will not encourage or create functionality for Your users or other third parties to: (8) separate, isolate, or modify the audio or video components of any YouTube audiovisual content made available through the YouTube API;"