notification playback

Hello, I was hopping if anyone can guide me with media style notification like the image below and what I mean is about both UI and the back-end also. I have seen this type of notification player in lot of applications but I wish if I can create one with b4a.

ExoPlayer is a nice addition to B4A. It's built-in UI controls are nice enough to not bother with developing custom UI. It even supports background playback. But for a media player, users usually expect player controls on both notification and lockscreen when playing in the background. Popular...