FloatRange.kt

private fun getFloatRange(view: View): Float {
    return 1f - (view.absY() / resources.displayMetrics.heightPixels.toFloat())
}

//This function returns the y-cord of the view..
fun View.absY(): Float {
    val location = IntArray(2)
    getLocationOnScreen(location)
    return (location[1].toFloat() - height.toFloat())
}