Timer

val onEverySecond = object : Runnable {
        override fun run() {
            if (exoPlayer != null) {
                if (phrases.isNotEmpty()) {
                    try {
                        if (exoPlayer?.currentPosition ?: 0 >= audioDuration || exoPlayer?.playWhenReady == false) {
                            Timber.e("Stop self")
                        }
                        else {
                            Handler().postDelayed(this, EVERY_SECOND_DELAY)

                            sendUpdateSeekBar(exoPlayer?.currentPosition?.toInt()!!)
                            updateFlowButtons()
                            sendUpdateTimeText()
                            sendUpdatePhrase()
                        }
                    } catch (e: IllegalStateException) { }
                }
            }
            else { }
        }
    }