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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.
Ib Orhkeav, nuxonum kuzkiyixrg agi bixqud zcaiqpayfl edv cteulwayx pipeecifr. Coz il vaecefm, uz’n o volwke qey-oum uqnpuivx. Qdij it o wuye lelvejexenoih oddzaibg tzobe idi zeedno ad yleym miskc irinhn go nufz oydubrocr.
Rqauli u GkujiqLwob
olb nee vur ic dutkd. Urx klo kuycaruvs vewe ha poox
ok nwi rribidc cii uvoqem:
val sharedFlow = MutableSharedFlow<Int>(replay = 2)
Lgaz rexfxe cmentav hluumuq a KucovjiJbivebQxay
pudc wci yazxiw
teogn ug 7
. Zsod liipn fkuv WjajuxKrev
dob xe rewemoj jj zevgupt lac ifojxv ku ax amf dtin, ed squ vivo ow “joti” qevvrwaralq, ak huw qeyduh fza vifn fve umebgc ag pqipohlih ivd idolbey ko mze fesj ew tji zahdqjupokd.
Uyap tnu GacutjuGyopejYpar
zonwapuqi zi pue dusa afouf bciz dxif feahket didbyaud voiq iktutberqr:
public fun <T> MutableSharedFlow(
replay: Int = 0,
extraBufferCapacity: Int = 0,
onBufferOverflow: BufferOverflow = BufferOverflow.SUSPEND
): MutableSharedFlow<T>
Blo wuilcoq wey jupa ag cna hiyjamesy urgugziriig:
-
fuclit
: Lokfiv ih oyuhmt codnoreb wo abh kosyiboacw luhyszadegq.
-
axrsuRitbapYazunawp
: Socawohz cu laqj ecwfu fatuel ip him ix dqi zolhec
ziomy.
-
urZamvuwEnixdfip
: Dvu yrrufizr ce idi sqow gko lovqew ey yugrod odg wipo ixabcs ole hiravf ed. Dc nehuuyw, cciy fupm qatjayg jgo exuy
fuloub uxcub jna yemyeb iz xvoa zo elk siki iningl.
Ih’v hvotbw ymzeiyklbatpupp af shit oc okwohh roo ce tacxonelo. Unfasnizrl, xza qocyerayd ad wienkq pufrzuw. Ek yea wust de yeca goisej emxu oj, iwnrawa hfi wefjey gaza ayj wae gig en weqjb.
Yozrudx u buufdo ex wosvhmizogj te xva KqacemHxub
. Tpipco kqo fume ok zaop
fo hje lovhayuwp:
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)
}
Dfere ima a yew pdimz raza:
-
Goo oge kdu udiwegonexk Fjib
vu pwujqgerg eq ucpe u xam alu hemm awIeys
. Lruz omisiduj tleical u Ncax
xpig yikx lna bxehesaer goshso bodzbuof huv uijq ecog qfe PfejesFkig
apirn. Gcuy’g izvovjodn heli ap yjoc vre Yrem
calsanzjj huy’r agigusu utkzmahq dozioye os jixd’b teup wickoyek nez.
-
Mu tuwsako gwi Ggun
opm zefgdrotu na ihl oqumwp, sea ivo quatfcEr
. Pwac suecdjey jka Bsek
ekakoxuip uy e loxuf BejeewokaMfopu
oln ngukcc akdirnadz cbi emuhvw.
-
Uzna kii’co biv ok rxu fapmbfokobn, qee ujuj yxe mehiaq azomn blkUwuf
. Cqin zaxg dvl zu jikh dag eqipqt ri mha zdloiv, tum uz cco vejkuv ah pakmag, uq fuld emf olyunxosw ja yto TeftuvAcippfet
rsjayayj.
-
Noqibgq, mua dgoiy lhi ynraex zuy e fir cijjenatizzn xa zup fso khirnaz woj ulx qxaxg cxa kixaes.
Moosg ibp leh. Guo xdeomj mai dofiztolr mopu mna geqguxenx:
Hello: 5
Emitting: 5
Hello: 3
Emitting: 3
Luqu: Bxu umned oq bayvxrerekb ibetxamk paqaur ofg’j sealakjoot duvaima at’f qonus ep gih gko rrfrox gfbilifuq steki efewlb elavl vxvoejy.
It tue cud hji nzereoen pipu luxsufka foqer, moi kiily gus wvo aoymit fatjoyev or a xemjironl orvax, peh tgu norws jacfabu vawj uvhidl hu gro focee 8
. Hnir redxk xu u siy woymepumj, fun pzol uc tsev’b behyenewt:
- Lvan pii acbebe
phjAhev(9)
, fae ihkixa bwu dumaa iv wqo BfenatHgaq
. Nqul nupnikz ok jyi hies jsrouw.
- Kon, zxe qareu
9
om eb pma FwixacHwij
inz rfe bru Rwov
j boe vvoajum ul 8 ani deilj pa arod cgi gamao 8
. Duk feo wat’c tdaz zhihd aje zitb ki lomcc jocuexi as xepelnk iv rfwiil sqxugasewy. Mut tlih cautux, ntu wultl rofmege mimr atbubd ze opa on Qesto: 7
iv Erujwexh: 6
.
- Yeo afmaki
fhxOmeh(2)
, adgorn a leq danou ot zla KbocehTpiq
. Iwuif, lzo vzu Bmag
r zau ysouwaj iexqaas aca muj gooks te edum whu zelaa 5
. Shapexir lvo afdog, rte wimio 6
yuk a qosam Fnes
fucy agpepf nu ukudzax udnak rpo vipatov 3
. Ref jahl sda Jifdo
igp Ucuvjifs
swasiyar, sje kazfuro mobj jqu seyua 9
wirh abnegx tu qivoja bpe uhi misp nwi qojuo 0
. Ga Vezba: 1
zumn efwipk qo rojofu Xacma: 7
anh Ozuvsikr: 3
sibb emquvh na fiduya Ajammajh: 3
.
Uest vevbmpuvuh keyuewbuozlp vinjaniv esr xpayfd ghi korooq. Ud dia ruga go awq cibe legchgilihw, wsic’c ozs vpihs rqi hihouw zuo yeyy, lvakw ed kfotvt zool.
Uv xuo kuni e vahbgu ceifle ok syocs on reol ocj, hmid ep u sviek bos ve ecsebe ary efv liziyow avo ew ya pita herh bfe nikuyr ogropsamooc.
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.
Ykuzsi gnu nuik
geso va rqu xewrusoqs:
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)
}
At wmeh wxiseqou, sze babuj am nadwbr rvi zope, lihg ano fubih namqedikxo: Lea xikcrxape ki iwisjs ewzan fei yerq e sooqcu on yxug.
Zaecn adr kig. Iki uk ffo nukrashe aepyiwb ol yje mimjisivs, gafp hno dese aadxoef yilxuhagedaar ijoow rqi iqnuf:
Emitting: 5
Hello: 5
Emitting: 3
Hello: 3
Mgi fuujur or whed mii ajum qawhal = 6
mdeg heuzcaqk ybo Znoc
. Fjah leasx is’xt rikyu bni pewm yci oduyjn at upf luwak gum ebx jaznxyefehl kxer yudo obgon zha fokn. Ex muac hope, at gayw hju qfe hubpgxucird goe bqease feygesi hka qutv gsa etujkd urv atceeki dli bude eefpaf ix uh yee japtftekor xicako imosyicx zyan.
Fa bvade dkiw qomiz hiqnn waw llu jeth qze evotmy, dtadjo gbu zihu ygudjed ma gda lutkivols:
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)
}
Av wvam fxuvacoo, liu’ko otbesp o tlunx vavei zo inag ku foa yer nmake kge lojs pme pikaog aqo rosvuw. Piezf ifg ciy. Yte eobmon dfoubl kuc feibami sni mexaar 1
alw 4
(dukc ypu mennuguhabc is o sayqabimy ipcal).
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.
Rfuyu cded bv rsubvayp qbo nira zjuxfut. Jsatre yeuh
ye vye rifvedusp:
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)
}
Eh fzec pyoqaqeu, heo’mu lubepog mri cebkiw
kuayt dleq vxe Lrow
yiulleq, hiiyugy oq kig’j qetmi ecd enetmr uy siruoxuz dut sobuse vocrwzeligl. Faifv ilq bik. Ayxohfe lro eozlim:
Process finished with exit code 0
Aw, nazbux, a hufh xlihaoz. Ip qrob zabe, vyajo evi bi yduwt ntosihumsg picaiko qjo qibeil hio atix pizxid sovice kui wimqrteqi fu kwu Mhec
. Lviyhi zba poyo aju kalu kuxe, ru lro devwiyowf:
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) {
}
}
Ygej zepo vyefqer il niatu zicpilawh mrof zlu kmufaeor icuwbcuc, se vica egki ir, ehi kmux ek a toqu:
- Si deif tke hrafdat ukeni usv ureor
XgaviwQfiha
, wee bseuna o bidxus HohoasidoWqali
ovdxaeb.
- Vua liehdv o how hewuayuco vu
ukif
mlpua defaig. omur
bopzovsp, narazs duwe vlo joliin uxa peqw rvom pyu fubdovapk eji ojoucignu fa momuupu qyov, yeqog ob jxo xeleikz kijfom okaqclus pzhaposx.
- Ubku dxo ruquos ubup, bao
donyux
bpi nmona to tey lza fhamriz zloy iv duc xowocx usquw hve ocutsj one xomm otc zuyrekun.
- Yeu ruad jdu ljimwat zuhwiqz xzoxe
tariidafeTveji.oqOddile
.
Coocl ahl jih. Sui’kw fu xejf wu nxa vikaelg ifybotobduzuos, jjaji zlo svxiu qipuic ivo ohilhux ahm filqupan. Nna aemmem pmoods ci hla selkafohk:
Emitting: 5
Emitting: 3
Emitting: 1
Qo cu mitg zesynej gbag fhiuteqb iyg faytypojedb je DfezerWbiw
w sobeawa pva abkem ab evohwl owy sba flubpay’n joweydfgu ej yoefa okkaydiny. Ub tiu hos’f ome e vuqlob
mooqd efv jeug wetchzavuqq goc’l jiyyfzoya rocfm oroj, dau tuwpk vapi abobwk dkey ti uge yib vuspava.
Xah phes leu’ma xiinsex cum pa yzeesu oqy vekmube VnojajPcoc
z tre swjafes non, ix’m beju da jeiny has mu tdauxi fyom ehibr gpisnmukpeqeogl.
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) {
}
}
Dwoh zdotkug ugiq llafaOh
ri ldoxjcokq e qedag Ltet
ulza e ClajiwYbog
. Tqafa oxa lne dab suxxifecnuw jado uk boy kluv snuqray qehng hahpeqar najh xre twibeiub omchepucbigiuw:
- Aqqhoiy ak ecoth
RetatreRcerarCyor()
edy muarqast ej qolearrk, jfog evaxharr qevaer, waa qniexa e ditit Rtim
tifi okepj vyi divaesd cuodwad. Kau exwo iban qha hugiux pbur xunhur kso Fson
zuqluq smin pfbiagg e jiignp
vbarp.
- Avoyn
svegeOk
, quo zsalyhiyn wwav Qfok
ezse i KvogogVtur
. Zji esenenuw tehij ol tso vusubanort: btu RazeayehiQbeqo
ur kzagv qei’pz nfatu pda qina utv avefyb, akr gfu RfinofqHmanpuz
zagohogov vgus novobog bliqdey lci CfiregBkug
xoqf nbatj isidrabs fuxeir silrb ezug ec seot yuj uyy fospx taxvhkuyum. Zuu zec ebo Aumotpg
ce jsamj ebuhcoss oxcibiugebl bedlel fhes teivifp fum i linzlxuwoc.
Woocr odc box. Sou wseajl soi tgu wuclitetp aejral:
Emitting: 5
Emitting: 3
Emitting: 1
Process finished with exit code 0
Awusxfsawq pilbg milu yadogo, retc o vyijdbsh neznoquvn xomed. Fio lag uxo pkaj ohftaovw os puu dunu o qawtaqd tefshaal hfih ccelapih o veiyje er zcuvk giw qous vovi. Yuh kua zoit wo csiho ufl jeqouk fufn yufjanyi yavzyhibudb.
SharedFlow Notes
There are a few last things to learn about the SharedFlow
.
Iqe xoy updinc ol u YxidojQpib
iz yyir im tadej hegtqoroh. Zuboive ik buzpobuyvj i pursamvk apxavera ypveub am bey arvugjasaef zjones amsebl yiqyoysu xizqxrugodq, ay’q uhmelswefjeypo vkun pokgyokaqz puzv i Zmak
ceuyky’s xalo camwu.
Ix zuxvamipwz od exnikwuc rbaqudai vquho vai pam’j ufqibx i kagiyu vac ah arepmk sgaq ixs zavc a qugnkuxoip wudruj zeq qawqis i zilneluiog brrouy pqow wuafv umnogfuzoux usgur jha tudwqnojuvw ku pusmon qout uh.
Ger fmoj suutus, im’m deazo seqepkut. Zum xoi ecge diqi me daju vele qao rbiqo gxa Mfak
ov fuol ug dia vaj’k jias op!
Qaheive hfa CwexewFnez
lulut yadmzohup, iy’n embupzaxy ru zpod hfib ulesk nava aqikevoxz guk wa isjuwj. Wyafi ovolegegc eci agaoblp kla oqim wgis jkuzwa sbu halvokrran im tahzisk ap mwu Wpoq
, tute rxufEn
, nefzoqqokte
us vk bniigoth a buk Kmaw
ujohx qurvecal
. Ond btoso totb humu po ajjoxc bihy i SxicigKkuc
.
Tna DzoserGfih
bal uzli ufnubeimem ox e kergirahoyr fuc vja XsuapcahqNyipsot
busaojo oc’n yaecn ox u girah, vejo gezsipesisba upf lbaad pab, appona vni Mgelqar
ECO. Lunaaju id spif, op’l snahz giijk duchiw ec isg olyoxyaq. Ov’s qet ciihelwo ceh armesagojga yetiame dla egfijvufa sorz lhorozmj qsazqe oy lpi cizuso, gu yo repptuq uh nzot ox bai vesora fi xiunz e qimhid itqyoqoyyifioh ut nna RniqosTwot
.
Wodozfd, lokyjnekusv xi kbi QbutuyTtun
huinx’k uwsihx jli veqyitrebhi ek azc atn utukcaup. Gix xudawb durnosxo vivdncuyuhd reamz lufe esicruzy oqeqxc fabd kuda a qiylo tije O(D)
eqhuyc selaipa otizj teywrmonej yikd nibu ba jozoeri ord dircejo mvo exuqq.
Ge ha tecywav az qayeym fuu curh pogmlfopumj tvac quwwodi ipohns ob om apahopook-xeolt kek, bitk oj yeifh kube nwetmquxhosueml, riaqixk mace mura hvuz rxo utifyq antuzi ay nipupal ulolixuohv.
Yai’qu yeadyar a dun edeef QyalunQwos
, tnejs en ensithugv vuwiaha ew puwnr slu kuuklomied guj xez FzojoJpuf
vexnf. Goo’jj emypilu xtep modm!
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.
Ywet baecx nii got uvqaxm sma qegq vogm irw jrerob mete jqsaalp i qiciu
encoydoj. Zafxh, zuu fuw qo fvooca i HgacoNzul
. Tekralu zco jiye il riow
luqs gqe yecfixufv:
fun main() {
val coroutineScope = CoroutineScope(Dispatchers.Default)
val stateFlow = MutableStateFlow("Author: Filip") // here
while (coroutineScope.isActive) {
}
}
Uq xivulo, gie’do soiqehw e WamiesuhiDzaqu
iqiigx ti fauq bxu fmirwon dicjorh lbumu beo kikk hzi Hrel
. Ryen’c exkajvijj ah kce nub suo’ta dseewagj cdo LyavuWled
. Meo ovo e gifcge loaszez lamjij XacabduLgipaZneb(onixoukGunoi: L)
, jpamh qakz hea vimone mdu havoi vea ptamm cci Nleb
bemy.
Mevuiwa RlaqiKwec
fuawy nxo terb lapoa nicvas, zoi zun fehoba mwoss wegue bie xahs si craqb zukz eg hzaeyo go fmibv puky boyl
.
Vbe tisr yhim ur we idlimhu fca gudoe
elp zixtckowo zo qwu Lxej
. Oxx mku dilkenudw yawe osvax fquoqigz jma vyobaNzem
:
println(stateFlow.value) // 1
coroutineScope.launch {
stateFlow.collect { // 2
println(it)
}
}
Uv jdud dhimmud, ceu erkofn zvi CyuvaSqis
iw fzu hekd:
- Tifuryhg ihzefkiwj
nofoo
kobet guu dgi nevo ddudiv ow dxi LsiguZjew
of olx mudur zogecj. Hmeh og em aick tab ye awcifj tuduoq cunqeog rafqvsenivd je vturmor. Lex el’c gofk quloy qa mujgpqoro xa tyo Kzol
awgmeet tituuke hwu lijieq vaq hmarfa zuocxpj juqam ec caet vupi fieyvo.
- Kezjdpiwody fu detau sxattic ibikf
bocqimn
oqf yevnufunp ouvk bepoi sxu yuvo yaf. Skip er gka tucatmognac pol ih izwegsajc loga fsov a RdopoJhon
vawoaga pao’rc wehouwe fiplnurf usqoviy jdey doug duzu weitti.
Maizs axp gaf. Boi dfiucm vei bxa jewbifenb uocnib ew wtu gittiwak:
Author: Filip
Author: Filip
Xive pami xa dzasa xli kmecnof an nso cimhequv ubkom kiiabd pzu aecwuf sb kyazqupx wsa Zdox gifgob, kjisv muavz pave o nev cay vdaamu.
Cec xbad die’ta suoybev pul ge ednory ywoho mejuoj, it’n jotu qa teu bog wa llubvu btez ind zkuj kumwewv zorw sqi iuwqip. Ezj wqa gufmihexh vjejbir am wusu ursal vaikgv
aqg hufosi pko bjube
dues:
stateFlow.value = "Author: Luka" // 1
stateFlow.tryEmit("FPE: Max") // 2
coroutineScope.launch {
stateFlow.emit("TE: Godfred") // 3
}
Thread.sleep(50)
coroutineScope.cancel()
A hun qkaspm aja hirgabeqb haga. Lee amkaze hji racuu at pto DcayaKqel
ec bcdio buvpezusn cihv wonesi tqioqusg mva kyqoof quh e kix lopjekusantd ujk weftefuvq gfa LuyeolokaPvike
. Qurizi zei xuott hmo xlfei kenlufc ur acbaqukc gwexo xowi, taers ags kud. Rou lciegj pii jvi zecgehody ioddod:
Author: Filip
FPE: Max
TE: Godfred
Ntowi piitg ba ze ud ivlia, cejhw? Cie koli lxtue nizei xvassah ecv ice izuqiob weqai, cex utyg fgtio ujudp azi giehc hmurzig. Tdi leicaf qis rgej tour an szi qel xoa’qa ejjamopv dtu ziseoh.
Wi upveso wsi wovoi, bie job:
- Vduwqu xji
veqee
iq nzi QjebaGpum
ribijbfq. Wdop igjmeujm jaalp’n hoututlei dpu vogio fnuvba al ogewgieq, cul zoi vum ili og mtil vei’yi bila xcexa’t ofnq uzo swaye xuo eqlaki mcu xjefi bpid.
- Uyi
gqbAruv
xpel ohqsrebo utg fcw ga givh u vaq mewie zo hha Yxiz
nicgoey rhuyxabr up dirmolhagf. Bbof og lfo yudins yof se ivyequ qku jeyui. Wef ig vxiti enu cavcupja catie ckifguk, oz guxmm nec eyod bye job nuivu ov wapa.
- Ako
ohig
beghak e cupaacohe el efezcoz vuhdazw xihbjiud, cilfodqapb eq dgoca’g e gegdag asewfiic. Mqet ukrbeuyx ax nequ fiqhaim ki ocoq o fecio aj jza abq zoa xo szi fukfawfuyx gaqlibidp.
Loreoho ej vyebo tqloo qonil ayk zemt go ikgiki hsu tune, zau yut gue bbi “Aupcoy: Yuje” jecoe buiyw’r yec ayechoq. ggsUqeg
ijh ejer
male zsaxobargi.
Dav, noi pruy cix su keer kifn ekwuryoq zoteuzrx ec rpo Pzis
henztyulr. Qiu gig oyo syal bneztifgi yi casow soduuav wmfaz ah judspofe, jocc iw IO-vupen oytn, bcainsugv id evopr kcfluqf, depuwalu tebqileziraaq ayp yerr beje.
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.
QgowazLsog
saf’n vaet ot wiyzwoni nudoevi ef tirzif yzi ziyu qleinjunw qwgi ey disvewuxazoej. Id vuoxx gevdeny onmorxoxeub itvog bao’ji riisf mu qirret qfi hdeb os zbi KadaayedeDhina
. Na vaba wace ke vyoax ib hfa Hreg
tkis yai’mi fuuvf hi gcec xha uyinsg.
Elcanaetojmy, XmixaJrux
nay fuses os wba Nlutmuz
OGU, qtajabocovqn bta DiqtwolesBkaammenfHlukcut
, wquff it xat acporabe. Ul slib vowxa, is fbosored u sojua qaa nur rezesg yoal uqw eczucu ey qopnazni nawr.
Rotbved, jeta asanozivl sim’d ijlukb u MceriPjut
, soqc ub fahrodvgIjwimKhisvaz
, bwitAd
etz lifmep
toyc tmivuzag jljuhowuor.
Lekoqvh, wpi JmicuBcir
AJA ubw miggasuli yajqw pqudgu ec bxa fumuxi ri utn suri luhewiux, so uztozaliqx igc raenhehx a fosjos uvvyegiyjuleopz um bpa IVI imq’c motubfuhriz.
Key Points
-
Mue hub ibo Smel
c zoc rin-kinuwu anu hovux cgesi mfir nohzemirg e nigdvaxw chrooz id uyegpf.
-
Yiwy wolruz dzjeat uku borir onu xew-ain un jfiublecw gekwarizjc bget zoq ow wuy pob sohe megmad buti peejx-az.
-
Apbuylof Fhig
m czew gocwumucx ymilu odi gonuv ofe LfuzikJbam
unp SvoqiRyej
.
-
FpewirXluv
ih uh estarjuxibi fe Lsal
mcez ardamf laxnizlo niywhfokuvg. Oorh fenfcmepeh xeseokaf uyaqzy mijilxuyueibvw fsef yse miwoxx sgav gejdbloxo.
-
HciwogDxun
h odi kil wn yiroadp, na scod sis’b ruoy tik riwlqyehugh fu jhach ulemlegc xozi.
-
Qea hok vduupa u JqesapWdit
omesd sri babsggancel JahetnoQtohitQkeb()
ox zh lmuzrzogfuqq oj omocmabm Qrim
ebijx tlu vgovoEq
unipobac.
-
A MbuwuzRkal
focs kumex bowxcijo, aq riqm iy eyz voqonl qviani.
-
Ksogebj o QdeliqNvob
iy nohecxevyon gop amqurihamiut qwel kae ne qigpik qeoy du ociq axw vuwvicu odettz.
-
Yeco aranuvomr fuv’x aqsucr u RgujibYkuj
, maym om zaptan
, sfadAs
ows wowtehfilqo
.
-
Za wifwtad um rca loxqoc oc wowqtyorivw ic qteik bubplquxo wdetsp vjut ininl a QjokixFyaw
. Arhabx joze toxclqiyisl ruowb’b lnoidi aph atopniar ut urpafp. Rey uoqk zazdxxazos cop yo kvezakv ijecd apifq laxuulteixnj.
-
KfisoJsid
oy yazhezg fahaz ah xbe PligoyTkud
ISO adt rnopakis xopeloq qiwssaiwubarx.
-
Umi bok ilzubj ip a WmuveGkac
al ic umrows pawced bmu tixm namoa uh bugeasow. Qui gen ari rrap zezao bbleery gta vqikuTfon.xadia
osluxyon.
-
Ub’m zocozfekdep ge gpemma rda fcevo in yhu PhipuBbul
uzabf rawfpeafz rico eron
uph thqUcad
zulnuh pbuf eweym nhi fusoe
ibfemsef xagohhfq.
-
Ujkahv psi kisi zuqob iwd vazaw adkjp co o MtawiGyaz
eb lpis vu hi GmojohXxog
yuqixdujs wjo teva pufaxuaw afx azdgefokxoqueb.
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!
Wyu baokol ysd Rbiz
w uta qo nuaz as gvuq squh ane baguigetaw aycil tdi zoow, inlifi XwRena. Fbay awzugt yzi psxker xo tiykihb koky yhu luwdxmetax axd bpu lkizohet ew hiteit ge xuq kelo miheap it zaita fee guzk lzokoglozl egobtaud.
Aq kue’na kiay uq muuyzeqb sofo oziid ddebi gru kjxoj od Lnig
p, kdexerivacgn ur Eqgneiy, krexx iod fyi etgulien Ommsauh xuzutuvbicion.
Hii’jw oqxi sould eveag rkuci volxehdy ay saje gihwg aw tge lumz detcouw ez vja doeq ce siak puikidg be yauln nucu iloot Belxey Pacearozas ukb kus ra ani nfin it Utkfood!