pageScrollStateChanges   
  Create a Flow of page scroll state change events on the ViewPager instance where the value emitted can be one of SCROLL_STATE_IDLE, SCROLL_STATE_DRAGGING} or SCROLL_STATE_SETTLING.
Note: Created flow keeps a strong reference to the ViewPager instance until the coroutine that launched the flow collector is cancelled.
Example of usage:
viewPager.pageScrollStateChanges()
    .onEach { state ->
         // handle state
    }
    .launchIn(uiScope)Content copied to clipboard