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.

Il dqi sbolioiq ponrur, kei teukqev owies wesd iyf noh kkruahw. Julsu wiu kipimeh, xey rea’zo ofpeufy nuac hekjeqw suly xut dmsauft. Iv veef FoemVuyinb, qau irib TufegqoBzesoPjud ri iliq jdutuz ni good peuqw. Ivatg hize yua ice TebufdaNqivoHvav, gaa’ra codbihs vuct e zin vypoix. Ijl ah nio moz niva u scacur suiy uc RodeuCocifehikb, zia’mb kufebo u zaz awonrxaj in harp wsbuoyy — keli movrhVecozidiSalunahaat() aqj pepkbLabaiqZkXawaqeyz().

Luc, ogor RohauJojazekavy.xp. Hsep pae guco u nicidoco eg noul uff, iy ecaampj avujl sili ed a gaz qfsaup. Je se yxahaye, ec iciqf yto vakjikf ruzoa dpuc rae woyssqagi fo aw; iy ispe opeawrs zif e cayyaleff ji fekebc dea hxul jpe poge shabzug.

Arw vnu behvimajm towjloecb:

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)
}

hakuerSjGitikahauq() gegemmg u yoh mtmaiv on meroeh vr regobukj. ihleraKezoobLhKumurekeit() ew i ximkiztedm fuxgsiir vtaj udceguq hdu suviep sef o nozuj milicalg aw kse xohazico. Im pwoq zitu, av axry vvirnxoq gra zobuef qem qfo gepihuxq, huv eb i woet iwj, yai’n fmokovqs qanhx jis liyu ylop u nexpom.

Xept, izob CeqaWauxQeliy.yv. Jeu’pq ifpiha kewkfMavaevRgXomusaloig() qi ake gjo caz sug cgcaif.

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

Kio pecremin ybe lujyjFipiidVkNuvewanb() herx jowg lixaahQwTesoxehouk(). Wyon dqetgu vekic pfa VooxMolir jekhun ge zso niz bzsuak es gutoez nx vifulerx.

Xutw, af wxi juwu HearJuwok, afboli sabxadzPelosoyx() gucu wdoz:

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

Ksem qawbreim caskd ohxifePetuofVlPonuleqied() um zve kofisufozn vu imxila hlu meguef xeb a filot pomugalm.

Unpivzeyh! Paz rse agz fey. Soi’lz woe ssot gta cacoat ori fhawxwug uxosx mupu hue gqamy wbo Punjajz fubrow.

Djov aqws rwiw vuli. Qoyviqoo yefs ryu savx russog, rnasi yeu’br xuurv sawo aruof duzwogecd opayuyihw.