main.kt

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val initialTextViewTranY = textView_progress.translationY
        seekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
                textView_progress.text = progress.toString()

                val translationDistance = (initialTextViewTranY +
                        progress * resources.getDimension(R.dimen.text_anim_stem) * -1)

                textView_progress.animate().translationY(translationDistance)
                if (!fromUser)
                    textView_progress.animate().setDuration(500).rotationBy(360f)
                        .translationY(initialTextViewTranY)
            }

            override fun onStartTrackingTouch(seekBar: SeekBar?)
            override fun onStopTrackingTouch(seekBar: SeekBar?)
        })

        button_reset.setOnClickListener { seekBar.progress = 0 }
    }
}