statuschange.kt

private fun onStatusChanged(newStatus: VideoCallStatus) {

    Log.d(TAG,"New call status: $newStatus")

    runOnUiThread {
        when(newStatus) {
            VideoCallStatus.FINISHED -> finish()
            else -> {
                statusTextView?.text = resources.getString(newStatus.label)
                statusTextView?.setTextColor(ContextCompat.getColor(this, newStatus.color))
            }
        }
    }
}