A ServiceConnection implementation

serviceConnection.kt

private lateinit var timerService: TimerService
private var isTimerServiceBound: Boolean = false
private val timerServiceConnection = object : ServiceConnection {

        override fun onServiceConnected(name: ComponentName?, binder: IBinder?) {
            timerService = (binder as TimerService.TimerBinder).service
            isTimerServiceBound = true
        }

        override fun onServiceDisconnected(p0: ComponentName?) {
            isTimerServiceBound = false
        }
    }