Created
October 9, 2020 14:42
StopWatch using RxJava
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class StopWatch { | |
private val disposableBag = CompositeDisposable() | |
var onTick: (String) -> Unit = {} | |
var elapsedTime: Long = 0 | |
companion object { | |
const val INITIAL_VALUE = "00:00:00" | |
} | |
fun start() { | |
disposableBag.add( | |
Observable.interval(1000, TimeUnit.MILLISECONDS) | |
.subscribeOn(Schedulers.io()) | |
.subscribe { | |
onTick.invoke(formatElapsedTime(it)) | |
}) | |
} | |
fun stop() { | |
disposableBag.clear() | |
} | |
private fun formatElapsedTime(elapsed: Long): String { | |
val hours = elapsed / 3600 | |
val minutes = (elapsed % 3600) / 60 | |
val seconds = elapsed % 60 | |
return String.format("%02d:%02d:%02d", hours, minutes, seconds) | |
} | |
} |
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