LauncherActivity.kt

companion object {
  private const val timerDelay: Long = 10 * 1000 // 10 seconds in milliseconds
}

override fun onCreate(savedInstanceState: Bundle?) {
  ...
  pager.adapter = ViewPagerAdapter(updates)
  ...
  pager.registerOnPageChangeCallback(object : OnPageChangeCallback() {
      override fun onPageSelected(position: Int) {
          super.onPageSelected(position)

          val runnable = Runnable { pager.currentItem = position + 1 }

          if (position < pager.adapter?.itemCount ?: 0) {
              handler.postDelayed(runnable, timerDelay)
          }
      }
    
      override fun onPageScrollStateChanged(state: Int) {
          super.onPageScrollStateChanged(state)
          /**
           * The user swiped forward or back and we need to
           * invalidate the previous handler.
           */
          if (state == SCROLL_STATE_DRAGGING) handler.removeMessages(0)
      }
  })
  ...
}