jaozinfs

val timer: TimerTask = object : TimerTask() {
    override fun run() {
        Handler().post {
            //change current page
        }
    }
}
Timer().schedule(timer, DEFAULT_DELAY, DEFAULT_PERIOD)

jaozinfs

GlobalScope.launch { 
    increase(DEFAULT_DELAY).collect { currentValue->
        print("Current value: $currentValue")
    }
}

jaozinfs

suspend fun increase(delay: Long):Flow<Int> = flow {
    var start = 0
    do {
        emit(start)
        delay(delay)
        start++
    } while (coroutineContext.isActive)
}

jaozinfs

fun flipModuleFlow(startPosition: Int, count: Int, delayMillis: Long = 2_000) = flow {
    var s = startPosition % count
    do {
        emit(s)
        delay(delayMillis)
        s = (s + 1) % count
    } while (coroutineContext.isActive)
}

jaozinfs

private fun startSlide() {
    slideJob?.cancel()
    slideJob = lifecycleScope.launchWhenCreated {
        flipModuleFlow(pager.currentItem, movieImagesAdapter.getAdapterSize())
            .collect { currentPosition->
                pager.setCurrentItem(currentPosition, true)
            }
    }
}

jaozinfs

inner class SlideTrailersCallback : ViewPager2.OnPageChangeCallback() {
    override fun onPageSelected(position: Int) {
        super.onPageSelected(position)
        startSlide()
    }
}
pager.registerOnPageChangeCallback(SlideTrailersCallback())

jaozinfs

GlobalScope.launch {
    increase(DEFAULT_DELAY).map {
        it / 2 % 0
    }.collect {
        print("Current value: $it")
    }
}

jaozinfs

GlobalScope.launch {
    increase(DEFAULT_DELAY).take(10).collect {
        print("Current value: $it")
    }
}

jaozinfs

val hotChannelExemple = Channel<String>()
launch {
  hotChannelExemple.send("um")
  hotChannelExemple.send("dois")
  hotChannelExemple.send("três")
  hotChannelExemple.send("quatro")
 }

repeat(2) { println("Collector 1 ${hotChannelExemple.receive()}") }

jaozinfs

val coldFlowExemple = (1..3).asFlow()

coldFlowExemple.onEach {
    println("delay")
    delay(300) 
}.collect { value -> 
    println("Collector 1 - ${value}") 
}

println("--")