// in fragment onViewCreated
timerSeekBar.viewTreeObserver.addOnGlobalLayoutListener(object: ViewTreeObserver.OnGlobalLayoutListener{
            override fun onGlobalLayout() {
                seekBarMarksRecyclerView.adapter = SeekBarMarksAdapter(settings.time, timerSeekBar.measuredWidth)
                startTimerCountDown(settings.time.toLong()*60*1000.toLong())
                timerSeekBar.viewTreeObserver.removeOnGlobalLayoutListener(this)
            }

        })



//  in adapter

 override fun onCreateViewHolder(parent: ViewGroup, position: Int): SeekBarMarkViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_seek_bar_mark, parent, false)
        view.layoutParams.width = (parentWidth.toFloat()/(maxTime*2)).toInt()
        return SeekBarMarkViewHolder(view)
    }