Ishmael Adams UCLA Football Star Charged with Battery ... Over Uber Assault

UCLA star cornerback Ishmael Adams has officially been charged with misdemeanor battery for allegedly roughing up an Uber driver back in August ... TMZ Sports has learned.

Adams was arrested on August 30th after getting into an altercation with his Uber driver in front of a police station in Westwood.

The Uber driver previously told TMZ Sports Adams -- one of the best cornerbacks in the country -- was "drunk and belligerent" when he picked the guy up from a house party.

The driver said he tried to kick Adams out of the car -- but he got physical, jacked the driver's phone and assaulted him.

Adams was initially suspended by UCLA -- but has since been reinstated and has played in 3 games in 2015.