public void removeControllerListener ( ControllerListener < ? super INFO > controllerListener ) { Preconditions . checkNotNull ( controllerListener ) ; if ( mControllerListener instanceof InternalForwardingListener ) { ( ( InternalForwardingListener < INFO > ) mControllerListener ) . removeListener ( controllerListener ) ; return ; } if ( mControllerListener == controllerListener ) { mControllerListener = null ; } }
Removes controller listener .