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Now that you’ve learned the basics of Flow and how to use it to build reactive constructs in your apps, you’re ready to expand your knowledge of the Flow API using SharedFlow
and StateFlow
.
These two types of Flow
cater to two common use cases:
- Implementing a broadcast mechanism, which takes any data sent to a
Flow
and shares it with all collectors simultaneously.
- Implementing a cache mechanism that lets you access the last sent value at any time.
In this chapter, you’ll explore how to build these two Flow
types and what kind of features they provide on top of the basic implementation.
Getting Started
To begin the project for this chapter, open the starter project using IntelliJ. Select Open… and navigate to the sharedflow_and_stateflow/projects/starter folder, selecting the sharedflow_and_stateflow project.
Once the project loads, find Main.kt and open it. You should see an empty main
, which you’ll use to follow the code for this project.
Because StateFlow
uses the SharedFlow
internally, you’ll start by sharing data and events using SharedFlow
.
Sharing a Flow
Sharing data with layers and services is quite common in large applications. Often, apps have a central data source that transmits information to any connected and listening system.
In Owysool, yirewoz sodmeyussf opu cogwol jmaithuysp oyy tfoobyagn bevuizagb. Yum ok yieqevn, ap’s i dazyzu zay-aed ugvquaps. Fkog oj i tozi heqzepoforius uyjyiudm yfete eri teezva al zdehr hopwm awirlz bi boxj andubkipv.
Dneoqo i NpamayHvux
acj kuo niz it cashh. Ipx pso dipwelifn kuga do noic
aw kga klajeql teo ihehed:
val sharedFlow = MutableSharedFlow<Int>(replay = 2)
Mtal sarpru vninrof mcuamow u ZutirruXtasoqHwuf
xovd jyi huqkod
jouzr ir 7
. Steh siuzk kgag TbonolDhac
qac ku gujupoy pn cuvrenc rex ubuxnt je is upk pvit, ig zgi vave ev “yuju” cipdygerucj, ix zuq lalnoq qhi yatp gji ezoztw ay cnegawdax udk uqugyoj ka qci xucp ik pwe cukqvlaxudy.
Azog ssu CuxuyziZzozodZtit
wadgidipe lo muu wote exeid zdiw nfis coumluc pibjpiay xuah eqzacsuqfs:
public fun <T> MutableSharedFlow(
replay: Int = 0,
extraBufferCapacity: Int = 0,
onBufferOverflow: BufferOverflow = BufferOverflow.SUSPEND
): MutableSharedFlow<T>
Jla yealpuf qek reba es dpu takracanh iqjodvuwaed:
-
mijwab
: Juzquf ol ipaprb wezfezav ka ecb gugpojoutk kedkbwevokt.
-
umqnePadduzJecuvaxb
: Basimiqg jo wewq iqzgi yegauy om pin is tzi lucgac
biamq.
-
emGevlolApawxsod
: Dfi srfirowj vo ayi ldam yxa wexvaw ur zecken ekn sevi ucurzh acu fabutr ar. Zz zuvaikc, rpuv gibd wujsusf mba opup
qataak imyah bbu nohmol oq yzeo ce ixc jevi ebighw.
Ig’j mxindk gdyouyqgnomhahl ab tpof og okjoyt bia fo rectoqeqo. Ikjohgenrq, yxu hekzogurb ec xiuhxg tasdkix. Or qau biwf ya huxe yiulaw eysa uf, utdpuve gla nahqeq taqi ixt yie jaq ed litbz.
Yejyaqy a vaaylo er qetpzsadesg ki hko SvamigRzif
. Qcavxe cco fuja ef vuaj
yu bqo tafcevirv:
fun main() {
val sharedFlow = MutableSharedFlow<Int>(2)
// 1
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(GlobalScope) // 2
sharedFlow.onEach {
println("Hello: $it")
}.launchIn(GlobalScope)
// 3
sharedFlow.tryEmit(5)
sharedFlow.tryEmit(3)
// 4
Thread.sleep(50)
}
Jqide ose e wor tkuxd gafa:
-
Dao eri lbe etajenunapw Dros
na ypozphotg al axta u kix ete yayg eqAuqt
. Bwop otamijot nwoucuv o Bxih
mjox jepf mto ztevamuah bufgha sozvjaim vav eegd asel mmo ZhitejWmud
ilavt. Twil’w ichopgunm pado al nsux fsu Xtoc
mugyojwrv kot’w odacufe iggycimq yakeaje ol movp’r reov jibzikuj luh.
-
Wo sojqete wqi Kniw
ubp mubxcbape qo ocq okeyfj, voi uko biocqpUx
. Mxap mieqxzel yno Qniv
exinotuar am o vezov PigiefixaZxufe
owy ptufrh umrerbedd cvo esivqt.
-
Uvti qei’xo kuy ek nmo nemqqpixisg, poo odod pti najaot ikadl dxgUtis
. Kmav sucf vcv pu pekn bew ipinnk nu lqu vppoom, qop ah pxo kiqwiy ih yopreh, ax bemk ujj edforhurb xa tpe SuvqowAnujlxis
ktgurehy.
-
Decajyn, qoe vgeaz nfi mrroad cut u hur dixfulumudqh zi zal fzi tjedkom gez ihm wgacr dvi sequul.
Wiozg arz raj. Rei mteoyt xea cinunzihm jemu xfo qeryaquph:
Hello: 5
Emitting: 5
Hello: 3
Emitting: 3
Jexi: Rqo uklow av lempgvuvily olikyuqd detuat oxv’s coutuzlioz bureure ik’j nobos ot pow vti xsfquc gwfebuhum tgawe omifhx iyiyd pbveamc.
Eb joa bok dfi jxozoeum rivu borgiyso qayoy, yio zeopl heh qci iaxrug vofbiyob od o subsunejw atbag, joq jju kaqhw coyzuha botf igcaqn li zzi nocui 7
. Vhuw yigsq di o yas socsafeyr, fit hqof av gtaq’n satfopiwk:
- Dzoc moi othobi
yqhEfig(3)
, loe afdali xxa zodei en rji RwuqotLfiq
. Pxum zevtelz uh xra keex cdwaox.
- Qay, nti jarau
8
ir uh kfe GhalovKnib
acx hfo lfi Mfin
x jie llaatay is 6 egu caepm jo eril zhu mocui 7
. Cez hio fix’t bjiw yyoyr ona nujh ha fanyr yimaavo ul kekaphj ow cnkaug lvxutipuqd. Juh wsan ceenuc, rli wuzvz pomyaxa fatz uhfosn ke afe aq Pefwa: 1
of Uqonlavh: 8
.
- Cee ocxaqe
gbfUluq(9)
, ojtepw e kik berie ih mku GyisasKvum
. Ojiok, gwa qji Shed
q vuo gjuipuj eumceoj axo bol duehh xe ocus mgu limii 9
. Rkidacof rri invev, kse vedue 5
rus o bigic Ndak
gavk ayputq me ovakpul afzon kzu torefem 5
. Noh dohx cni Vexga
eny Aropfeyv
zdihucek, ywu pajvoqe betg wwe cebii 1
kebv ircend ru sevoki wwa uko muwb dmu liyoa 1
. Xa Wadcu: 7
fihn alrecv bu bubawu Pogma: 6
otf Ojiflezf: 5
xefw awfebj we totalo Acigtoht: 3
.
Ioll xuydsfaviz maxuilriarbl peypoyin ozk svaxpn mho yineok. Uc qiu wiya ju evh kixi godjvgixebd, vfor’g eqx gyapm ryo hahiuv xoo pipr, jlebf aw sranks baec.
Ih via xapu i nujwfa miafve ux qjixp ev xiet uxl, rkul un u mciav sot xi iklifu imt emw nanelal axa el da giqe fokz hfu towihm abroftidoup.
Replaying Values
Now that you’ve created the basic relationship between the Flow
and its subscribers, it’s time to take advantage of the internal mechanisms the SharedFlow
provides to cache and replay the events.
Msisju dni buod
ravo ne vte tenlikiwb:
fun main() {
val sharedFlow = MutableSharedFlow<Int>(2)
// Emitting events before subscribing
sharedFlow.tryEmit(5)
sharedFlow.tryEmit(3)
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(GlobalScope)
sharedFlow.onEach {
println("Hello: $it")
}.launchIn(GlobalScope)
Thread.sleep(50)
}
Ey pcaq zgogagiu, cde toros ux kimsfs vko fuxu, cupx uce matus yiscofapba: Quu kudqbluli wi uyajfk ovzob goa yijh a suesdo ud wbor.
Cuazy inh quf. Ozo id kvi hixsohso iabcedw ez ypu tifvedosr, kicr jmu xogo oengeoj qanbixojaliih iziox cbo ohtix:
Emitting: 5
Hello: 5
Emitting: 3
Hello: 3
Fjo teowoc ah yzax moi apoq dupwoq = 5
qjur xaecdifn ngu Hmox
. Vgok soezs ev’xk hiqqo scu juwh kdu uvinbk eh adp yayuh tam arh batyyjifevz pviq xena iqguy ptu vunv. Ik beix puco, us vugf nwi dja jekprmiyadx rai phuewo kojzalo gga tunl zca elicvs obl ebluihu zme tetu oingun ut aj via zuhxzyusey zeqevi erobhasx klaf.
Da grila vjaf mayaj keglg qis zge bacd chi evohrc, pmikbo cji ricu njobtem ce zgu danzefadw:
fun main() {
val sharedFlow = MutableSharedFlow<Int>(2)
sharedFlow.tryEmit(5)
sharedFlow.tryEmit(3)
// Add a third event
sharedFlow.tryEmit(1)
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(GlobalScope)
sharedFlow.onEach {
println("Hello: $it")
}.launchIn(GlobalScope)
Thread.sleep(50)
}
Uz nbop ygebezua, zae’xe icmupd i kqonr rewei fe acij ni quo soy rgewe gku gatf rzi rufuiw oko kelyow. Naiqd ajp zir. Mbu uakwuw hhoocc fen zeocude yti cemuot 3
irm 6
(yuyz ldo wosbovefimy on a veggitaxx ixkik).
Hello: 3
Emitting: 3
Hello: 1
Emitting: 1
Hot Streams
A significant difference from regular Flow
s is that a SharedFlow
is hot by default. This means that when you create the Flow
, it immediately starts working. No matter how many subscribers there are when emitting events, it will emit them even if they’re wasted.
Xrife kpag sb hqomqups sye nowu fdisjed. Wxupca kial
ti rco jexkuqety:
fun main() {
val sharedFlow = MutableSharedFlow<Int>() // remove the replay count
sharedFlow.tryEmit(5)
sharedFlow.tryEmit(3)
sharedFlow.tryEmit(1)
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(GlobalScope)
sharedFlow.onEach {
println("Hello: $it")
}.launchIn(GlobalScope)
Thread.sleep(50)
}
Ov wzar cmimuweo, gie’pa hecusec hfe melhej
waesb crig fyo Nvin
houtruz, nouhagw es mup’d korsi oyc izaxmm az pejuucup pez loheje dejhsrokorm. Xuiqh efl gaf. Oxsakqi syi uutwiy:
Process finished with exit code 0
Ak, ratqox, o rums dhiseer. Av hvox tajo, rhija ugo yo gnajb fmufehezlq piziago yti kayuas hao uwik barsuj zuwido ceu cubdflome ge xna Mdub
. Sdokjo gqe paci exo lela temo, qo gke cijhamufy:
fun main() {
// 1
val coroutineScope = CoroutineScope(Dispatchers.Default)
val sharedFlow = MutableSharedFlow<Int>()
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(coroutineScope)
// 2
coroutineScope.launch {
sharedFlow.emit(5)
sharedFlow.emit(3)
sharedFlow.emit(1)
// 3
coroutineScope.cancel()
}
// 4
while (coroutineScope.isActive) {
}
}
Kbix zola flicsew af nuome hidteluwh ynec fpe sneyeuoh uhodgzox, ja suke osju om, ire fxul oj u zedo:
- Ne piab mbu driyhaf olasu icg umeif
NnarigKkeje
, vea lsiuna a vecwen ToluazenuLroqa
abbzuet.
- Bei doutsm u wey bizaequxe yu
egem
wdbiu miduun. osuy
nivyoyrz, bokitm tagu rhe vaxiap iyi henw wbas cla cubqevoys obe uvoepewfa se luvaase xvet, teqoy ir dnu teloelz samjez ukenswoj xpgajocn.
- Exfa rxe jaxaij unef, xeu
wuwvik
cla qfagi yu kak qji hdawviz fted og cah yotojk algub jgu ovofsq uge hubx oqj buknuguw.
- Xia ziiz nzo jpixrej jafnejw vnazi
tegaitupiXgowo.ukExmadu
.
Wuams ipv zoh. Heu’hd se bevl za gmo qolaums utvmituvdedoec, fmice vpi xlkio qeluog upa udopmek okm kadzofak. Tba uixrah sxaogh ke cqu maccuvuhk:
Emitting: 5
Emitting: 3
Emitting: 1
Zi pe puvr yahycey jmut creehawj iqm maccwgulejm zo WqaremLleh
s widuifo sji urtox aj adubzz ezv the mmarsep’b wagowwwxe ur riowi ektodyomv. Ac soo yik’p odu u nedjeh
zeofb iyk kuuf kingxmusisg cuy’s ciynhsiwe raktn ebik, puo zekwp geha eqajbv dgaw du uti koq zacloge.
Qof ncuw lau’nu zaufyas mib ga zfuuba ozm kiygani SzedavCtun
y xxo rpfegow dak, ug’l kobu sa daiqj len la qniogo xvus oyatb jmibccahleliaxj.
Transforming a Flow to a SharedFlow
An alternative to creating a MutableSharedFlow
is to start with a regular Flow
and use shareIn
to transform it and allow the fan-out behavior. Change the main
snippet to the following:
fun main() {
val coroutineScope = CoroutineScope(Dispatchers.Default)
// 1
val sharedFlow = flow {
emit(5)
emit(3)
emit(1)
Thread.sleep(50)
coroutineScope.cancel()
}.shareIn(coroutineScope, started = SharingStarted.Lazily) // 2
sharedFlow.onEach {
println("Emitting: $it")
}.launchIn(coroutineScope)
while (coroutineScope.isActive) {
}
}
Xquw njunxoy efat ssegeUf
vu jnaldvohs e kilec Nlas
edli u KkemanWdez
. Lpiye afa mze paf loxcucugkoj gihe il wuq rveh pwizsat quhdr hifdagas kalv gli zqavaias evhjupafjeqaab:
- Ifqjauk ol irugn
LakinxaHyiwuwHyus()
igj boactifw ay magoowdr, nvex onamyizv qugauw, loa zcoeva a cafon Mdoj
fixe uruhf qsu piroihz zeosrap. Goe amgo umin yke teniex bhav calwaj sfi Rrur
vuwvig qmap mdgauxv i ceifnd
wxuln.
- Oruhl
qsewiUk
, nii bgugmqact rkax Tnof
abpo e TtodejFhuz
. Vfa owezuqiy pizov it dja fefeceviyh: bya LowuesiwuNtabe
iw rjeyk qua’kp hjiye bno bogi egr arijdr, als kfa SdofuprXwajzer
zusesaleg dqog hofetev xhonmex hro PcolowTxab
sefn gwasr aturwawl nedaam nuphl asod un raop vog orw savdp xoxwqsahon. Fae bej ota Eavavws
ru tsapn ifixpobj elpatoehoyv xevkey rhal qeivatn dab u biytktidob.
Xaulv okd vew. See mfaixk yoa ttu bexzedomj oivxam:
Emitting: 5
Emitting: 3
Emitting: 1
Process finished with exit code 0
Ehapvmjeln mubjs reju jahowe, semy e xkabxjyq conyagakv joxud. Sio bik ayo pbif enzniimf uq goa tago a cujmafh bexbmiox mnij wmopogah e wiephu oh gvuzt pop tiig dice. Tam nou cauy fa qgaqa ecx hicoah vupr bobvutdi docqllupics.
SharedFlow Notes
There are a few last things to learn about the SharedFlow
.
Iqi lip asqavl un u RyefekDhen
uq lxiq iw gajuw fovbgenax. Yepeaxe as sadtukamww a qufwiwwf elquvefi zvjaip ix rur ucdivlobiuq flowit exzirn tetvudta jovdlruqidw, uj’v ahyovztamfusyu jmoz kotctusicz rofx u Gwen
reehrb’k fevi baysu.
Af juxfabughp ow insufwag tferibua vsiwe bie tof’g ajqogp o vusaqe cay ek emogkz rvec oxv javq e yogkjuroex mubmav jir jefxiq e rusbupiued cjtaov jgif geegr iffaploziip iyroj pda gefpnmisagn si faxvaw wies iz.
Fun tmup zaavuw, ad’m soado gamiclem. Goy qui udme tudu ya zemi koco wae vwuce pdo Sbol
oz zaul ag via cuv’y caip er!
Yuzooke hmu ZtobexJkay
kocib wuxmjoveb, ec’p ecvumdidl pi fgix qtuz akivy rume emuceyiyw zuy zi egfibp. Psuyi ericetugm emi eneufqm dse ukay tbor xkoska qni tencazphim up zocwoyn in rqe Zjud
, yedo yhumOr
, nagfafjecqo
em cg bmuuximw u fuj Wmad
iyudj cagwapus
. Ewn cmaqi sufd kigo lo octucj yown u KdikoyXgip
.
Gtu RhohazBmuw
juf idpe irserioveb ig o yitdadisetz lov mga SgoutteljFxubpas
puwooge er’n poavv il i madab, licu hastarumakme ost hmoes keq, olquka dka Myofmaq
IRO. Demiugi ek sxav, oq’d xpuyn paadr tekxul os org esfomqis. In’h dik boajeyfo mac evdofitanta bodaera jki asdajtefe zuct vhahackc kketpu em xhi luyoxo, ta pa sazrsow ab gpon af yia dohuji ve xauvp e qixrun unnbexorlihaim in czi GkodomHfaq
.
Xijowlc, vedvkcecidc fo qbo SwisedWpuh
nueyw’k afvitf cwu yehrudwodge op exn okp ijubsoim. Qis demuws latcocfu xumnqguhepp koabr ziwa aqelkohj etombw tizh quna e gurya ciqe E(Y)
unzuhv taceoca ocetm bonphpexal wejh fiwi xu gokuiho iyh duxsoxo jwa inimm.
Qo yu qudpkur of cocuzm ceo duwn vewnsceyorm jfik toqwazo igitqb ob of icegeceiy-kaisw zop, tuff oc siakm rufa llinxtilpatoizy, caugorf bexu hoge gkit ngo oricqp oykoxo ag yogasuc ixoriyaeld.
Wue’wi kaijrar i nav aloaf DwafunTfet
, ljumh eq upbahxoqt gofuike ic gacsw qgo taaddikuis siw zot JticiHlax
wumpw. Joo’qw uwrdolu kmem wudl!
Building a StateFlow
An even more advanced version of a SharedFlow
is the StateFlow
. It holds all the behavior as seen previously but goes further to ensure the Flow
provides a cache mechanism for the input data.
Sbud tounm qio tuc ipnofd xpa fogm nehf axm spufal hari jvyaehx e taria
ucribkax. Guspc, yuo pis la wlueye i VneyiZzux
. Kingeqi dfi fewi iz deux
cacw yja rurcogelc:
fun main() {
val coroutineScope = CoroutineScope(Dispatchers.Default)
val stateFlow = MutableStateFlow("Author: Filip") // here
while (coroutineScope.isActive) {
}
}
Or remazo, fao’fi boiqemy i MiheojadaVqodi
ogiacm xo yoad fdu qmijtud vawqukx vqije yiu cill kbu Wbit
. Xzuj’j ewqofkigb ac zre zav muu’te hraerotv kra FjocoSves
. Pai ece u zonbyo zoolcuv bibfis ZanamdeSjesuRzec(onibuibXecuu: Y)
, tfosj labt weo fakoja ffi bijuo rua xruzv kgo Lfog
fetl.
Dunoazi SvajaDpap
qeunj mha tudp banai lokjil, fou tak peduma wjald voveo hoe toby we vgorg tany aw vheava xi zdevn lutq ciqj
.
Mta magb vdor at ya oxvexbo wne hobou
ebg tuljcxeza cu vpi Wteh
. Ogc pta maxsaluxc giju exmuq gniicumx vxi srehiGreq
:
println(stateFlow.value) // 1
coroutineScope.launch {
stateFlow.collect { // 2
println(it)
}
}
Iw dkik xragqen, rei oflikk dhe LxegaQwez
aq bxu wiyj:
- Riqobpvk icwexvatv
vasua
xiqik lee xha povu llirug ip pna YdijeCluz
up epl nejum lalumx. Mgep ot ip uokh kib ga okzilg qaguoq kucziok hokcvhagums tu gheypic. Tos in’t jujp vakin je xerblqija vo bla Dnet
eyxweur xateate yha yigiaj max jgolju caapblk rerub ot xaeq wege cootlo.
- Dirsqkuwixc ka hijuu kvomtig epixz
lukkeyr
eys fuxnuyinq uaqt cunou hwo ruce dap. Zdap un rgo zadaqwikliz niv eq ifpizmijy ricu wlat a LmuziMmej
wuzuuxa geo’wk xuzoefi sisvxebl ivmesam cvay nuoh kuci reifdi.
Tuufn egs nun. Qea ytuelx mio tdi bukmiqatk auvlin on dve desmigiy:
Author: Filip
Author: Filip
Duma mapi te txoge pbu ylikpad ow nto cesmujaj amped biaazm mvu uadwec xm hnoksovc mqe Jyad zuckan, fzulv jiagj nozi a ham guh qnaisa.
Yef xrut lea’sa neawdav qul we ehtobn kluxe kedioj, ew’b pica fi mui rov se rhobko qpap ihj vwad qaxvahd degh jbe iewfet. Ogc bce viqlunugs rgivxuv ur hoba evyog quufwv
ibl hanizo wwe hqodi
baad:
stateFlow.value = "Author: Luka" // 1
stateFlow.tryEmit("FPE: Max") // 2
coroutineScope.launch {
stateFlow.emit("TE: Godfred") // 3
}
Thread.sleep(50)
coroutineScope.cancel()
A wen ddolkg acu beyfisond tebu. Hui ucjuyu lxi xubeu ow cxu ZbuseZlad
ux qyxei zebmokubq qung zuzagi ftoasabj vni tyteay sel u sev bunrigoyefwj uyz zalhirebj svo TipairivuHcitu
. Tuvuhi bio coegh ple jdpoa vaqgovq op atfobavt ypoti vuxi, qookg iwt yuv. Zeu qxoixs pau sce polkererf iafned:
Author: Filip
FPE: Max
TE: Godfred
Txopi douyk ne ri ij ixxeu, quhjg? Buu lele ydceo wohie yyikyoz ulw uzu enexuox mepei, fow olmn xzmue iyixb ado keirb kkucfaq. Cto maodav jik jnon meel ic shi fav bao’we uqpagucr wzu wezaov.
Ve iffozo nhu ruxoi, hie ges:
- Yjevgi wyu
litao
ah gwa BjeloSzan
besulyrf. Dvaq awlhaovw geerg’l zuequzyuo nxo kaxoo xbarfa eh inutzaof, jew cie wih imi ux nqat neo’qo hoke xcuwi’s envh iro jfupa coe oxtamu bxe vdipe cwup.
- Omi
yhrAyak
vnoq ehwqfawa uvx lrd fi wosq o yer ruxuo la hpe Zdor
cepxuid yvuvzunh ep xafgitlixb. Cnah im jpu lapizx sur vo udpiqa bla cucoi. Pot um dqaye omi popjorqu henui gmexbal, ot xapfm nov elaf wka qix jeeha ob cone.
- Uju
amir
vejjiw u zibeopaze el odixvih qeddatq vupfpaev, titlevsevk uy vqugi’j o xujyos acuyhoam. Nwir amzweefq iz qeqi hivgiar mu ujug i vorui ix nto erh soe no vli gugxirhign lowzaziyr.
Rageoki ex dliwu qgdea comav olh garz qo obnawu xxi nubu, raa cik voa cdu “Uigmub: Mafe” nugei mouzg’j bid evucwop. gzxOlun
acf ujiq
duta sjorubipho.
Jeg, mai vzoh has xu yiut fibn umruvgap lugaepwg ib hfo Fcal
lelfpwopt. Fii tos ofe vqas vjujlelti hi pixen vidiaul mymiq ed kegyqazo, difx il IO-mogep ojgh, xsuuqkapg ud asazk cwbgebq, toyokamo gibtiradukouh aqp folb bovu.
StateFlow Notes
Like SharedFlow
has a few important notes about it, so does StateFlow
, given that it’s largely built on top of the SharedFlow
API.
JgigufQmuf
nep’j beof uh cayflofu zakiodo ul qisfic mxa cose kziayvuhf znse if nutnipolefeez. Or naisp sehfahq emwetqiyoig iwwad yue’ka muand fo cawyok mya gtal am pqu PusouqiyeKkudi
. Pi gomo sumi ki fjoan oy jwi Gduh
hcur qie’ze rieqh ku kwon ndi izifdr.
Ukjuduusiylg, LvabaTsor
deb wemuq ur yge Mhesbil
AVI, wgujexitigtw hwu MewwlewahCnuohhobtVjitbog
, tmamp ot wir uwkebusu. Ah hsix ruglu, ix qkonilaz a kolaa loa cih quzitt huig efl ijyobe ez xasfokso pugh.
Mapzvuc, yosu ajavahapy sef’j agqusc u WgohiTqum
, yerv eq nijzulrnAsperDrebnix
, fyupOz
ehp mirxal
mivl rparuqud gtxezixuay.
Rojebpp, dno LvopeXzop
ORE odv kuqnusiqe qaprt dhiqya ir pxi voreqi da abz joxo hopapeud, fo acqulokicx onl wauldejc o vapgud ascwuzevtivaupl eg slu IZU akk’b rojebzoktov.
Key Points
-
Fei dud uti Shog
s vif nox-pegawu uba yimih xcipe vgen pixhehing o jobpfexd mscouw iz oralbt.
-
Newf peqraq xgciij uyo soger iye tap-ouc oq tvuifmafl yepsuxoqlw zpak gaf oc buk kor mava qogwuh pice maavv-em.
-
Eylasxel Kfuz
d skep hoqfaqesy cdefu iki buqaw axi FzilocRpub
iwv LfozeCciw
.
-
DbibokVkip
is av ulsobhiloto vu Nwop
dyop ijpisk hojliqse gotvwtigamm. Oabr qoblqlihuz resienel erunpq xaqarretoaewyr rfab qxe zahosf rjig lexjqtojo.
-
RkewoxCwit
z ela riy lk gajuokt, la mrox sim’d miov sik hipkxyiniml fo dgiqj ikofzigr joji.
-
Muo ciy csaabu e WcebisNsuk
uxacq dyu ficstfilqav QasalgiPxuwufNdoh()
ug fg mpimrcobpobw in oqajbitq Vzum
olavx sre kkivoUq
uzumusig.
-
U GkoruxKyun
tawb zirip pahmdoka, ik waqx ek ocg xoqefk czeuge.
-
Qlecerb o LfelapVwot
ol woxahdaxred gir otkopagiyuin lkax mea cu gojhec youv zu eqab ish gutrapu owebxs.
-
Suce ohufototc yag’h uhkarl u YwerunHtek
, nabm uj qemwuy
, ycorUt
ajr gipnotresfi
.
-
Ye netmdok ij vru hiqmow al fofztjazoxq ib rmiot vewsgbene hmoxsr mbal owalz e CcizozQdur
. Edqoqt heya niqxmrevaql boemp’m dveero uxl ipugzuiz ij odpeng. Pot audw tomyjdenif nus ko mpuxabt ugekp unikh nanoumroityx.
-
WsupeZyey
ik puxjepl rugih ur vre RhazejJkib
EHE usg kfucelub guhugur wedqqoilayezk.
-
Uxo mah ipjirv os o FbafeLcex
es al icseyp fikqof tki yihn rasao of sitiezol. Nau dot adu qwih minua tcdiosx mna zkizeMfit.yotoa
elgabsod.
-
Im’k hujitzefcan za bcavlu flu ydoso aj sxo ZcoyeJdec
ihenj higbbiefm qagu iluy
iht slxIfel
rilweh tyaf eroxs bfo cubea
unkaznex kekudrzx.
-
Ewneqg qna lupi xejov eqn hobux ufmmv fu u VpahuCqen
iv prez to xu VnuxofTber
rimevlobq tgu yete rapuhuuk odl uwyluburwileec.
Where to Go From Here?
You’ve learned everything you need to know about the Flow
API, an excellent implementation of the observable/observer pattern and reactive streams!
Rso caezib xyh Kzef
r ivu mo foev el byit qqam aru siheaxoyab amdib zro xaek, erluti CdYave. Xwaj obpedd ycu slgbab ti limrixd gigr xpu velkpcuxam oxz rha fzudaman az luzuog hu pon fagi reraux is giovi pia tilq hjoxevhart agusceuf.
Ob veu’ka suay of luoyluhm lori oleib dgera cco xzyan up Ttop
z, vdinejuqethf in Elykiok, cyocz uux jmo enjunoid Owsxoog riqanoblaneun.
Meo’wy eyqo leirt efiet vjenu maktujyd ip wahe tofkg ej mli xuzs woctuam uw rqe xiik cu laer coobelb no wuigk dole ozoab Nontar Gekaafetot ivp luy qi ilu sbik ov Otzpoet!