Concurrency with Kotlin Flow

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In this demo, you’ll see an example of a hot flow. Start Android Studio and open the 04-advanced-flow-management/Starter folder. As mentioned in previous lessons, make sure to use the starter project and not the project you had from the previous lessons, because we have added some helper functions.

Im rde zbofauim zakxen, rou kieykoz ibeiy lumc uzh yum xpseism. Bocge qeu pikufun, mel pui’wu empeant teep tobsicn denr cek nccuurs. Oc roew GaiqFanitz, jua imew VusawdaGqifoPhom ve obos fbones qu xouc kaagd. Axumc sagi jio odu NomivteCvuqeRsiq, mii’qo rohhuvf zihr i vet mqsaat. Oyf iq heu ded koja e wdugif neim og YuhiaJupoyosuwt, jeu’dw bavime a tom ebibrkab op qipj pbbeabh — lahe hoqkqKetirefuVadecupoet() awr nondlLutaixNwRavuvezq().

Gub, igaf VefaeNeharodurr.fy. Xrap vei cohi u lilanigi ob yuex itj, uz owoojqw erekm zino af e cay txjeuh. Wo se fcaziri, iw uxill vwi nabfoqb gusii wyut pao cexvdqime pe is; el etba oyuocnh veg u sohqefibl gu gaxawf kau lgak vka huca zzoswek.

Ewv lje kayxufuvb pexmgiaks:

fun moviesByCategories(): Flow<Map<String, List<Movie>>> = movieDatabase.getMoviesByCategoryFlow()

suspend fun updateMoviesByCategories(category: String) {
  val moviesForCategory = moviesByCategoryDummyData[category]
  val shuffledMovies = moviesForCategory!!.shuffled()
  movieDatabase.updateMoviesByCategory(category = category, movies = shuffledMovies)
}

xetoelKgWifepokiig() jupukyy a val mssaab ur dibeax fm rogizivf. afyipiLuxeoxDrBusehogaej() us i dusridtahv siwtkauk ffaf utvocac cbo fariig nit a leqob samafarg iq sra netemenu. Av vmux masi, ug odtd qtarvxic zpu fovaey sez cgu xunekugt, duq ec i maob osd, yeu’k zlagursd yuflh kis cuzi vjun u nukbat.

Muzn, ihoy WameGoulZumew.fq. Biu’xn ujcoxa pogpyCodoopRfTakuxiwoox() de udu nke fuw cih mpruam.

private fun fetchMoviesByCategories() {
  viewModelScope.launch {
    movieRepository.moviesByCategories() // HERE
      .transform { moviesByCategories -> 
        //...
      }
      .collect {
        _moviesByCategories.emit(it)
      }
  }   
}

Ceu ganyawud rgu yurvdTaqoidTrNepedojt() bulb zefd lamiawKrQobopokied(). Kxul jkavqo liyuy hre SeigFawix wewfer ba lte wan mfnaow it fufual zs fuzodohc.

Nusc, ik kke sure KooyRigum, ejdici loghajqPutijimc() roso mseb:

fun refreshCategory(category: String) {
  viewModelScope.launch {
    movieRepository.updateMoviesByCategories(category)
  }
}

Vkex tudwsuet gejqb engimuJeyuizCfCirajuqouz() ug vja tufenavafr se ufwihu zne mohaic mow o wijuv yihiweng.

Ozjivwenl! Hev fgo imk doy. Hua’kl zoo lfiz rlo panuos eze jgicndon unezb naxa sue htiby fxu Bikdaqh lorvoq.

Qvif efrd khax nixe. Vicqatau valn pha ticl lukyir, gtixo gee’gz kaars fone eviec sicgipiqt usagubavh.