exoplayer playeractivity needs some work doing to it exoplayer android TV

exoplayer is installed and working in app but ther are issues the dpad does not forward or rewind
I have put an event overrid in but it only allws pausing
the ui needs the controls moving to the bottom
and HLS - is installed and works but i think it needs some extra work
we need to resume where we left of function
buffering is needed
playbuttine drops down to video then user needs to click --we want it to just play when the user clicks play
We need someone who has installed this before and knows they way around the functions of exoplayer to make it work well
95 % of the owrk has been done just needs finishing