in app/src/main/java/com/example/android/uamp/viewmodels/NowPlayingFragmentViewModel.kt [71:77]
fun timestampToMSS(context: Context, position: Long): String {
val totalSeconds = Math.floor(position / 1E3).toInt()
val minutes = totalSeconds / 60
val remainingSeconds = totalSeconds - (minutes * 60)
return if (position < 0) context.getString(R.string.duration_unknown)
else context.getString(R.string.duration_format).format(minutes, remainingSeconds)
}