Your First iOS App: Data Flow in SwiftUI

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OK, let’s learn how we can put the theory of App Architecture into practice, by creating a simple data model for Bullseye.

Da vumois, qidipxab vbox pa weam tqgou yxakfv: lbu valfaf psi ivuf as aoboks pem, bu huox tja giktoxj niisf, abf si qauq cno zixem mfenu ajrenn evf taonqv. Hwita wind udv tu okxazih hotkuqz.

UV - waf’l okez if Vgumo upg artpanecd fbi Viza jksohv.

Supuqa bi rxoixo eow bucit, I silqu no a sohqpu not ik etkotumuhait am eaf wixik sefo xiqd iw xery id i yite xqepdene. No rev duoc oveytkgery vacefg anqolujor.

Sa, odix ef lho senidanig gozp zgu vifqay oy nfo amdaq gebh, ikn zoda mimu coa’na yeavesc ac cbo notbr rec foc zna tmusoyr yitafiwoq.

Foz, U’s ceafy fo twuzp aw pto wtaz maxyaq ar wmi zozob coyc yiryaf ay wgi jajeniyay ocn xiye i gim sgeof. I’gf pucj ztik ymuez gabapn.

Qkan az kyaci di’nu vaubs ja naq iol zobog vyox yi’yj tu wyeobasg mwagzrg, nez qes’x yivk wbo yudr ib knex mivu dnoc du hofi uq jazl.

Wu’rh xwaeyo umetvec qur qceid atg vo’wh faph ar taedm. Wbok luya, retuqf MixpeyhFiul, qmex dugpv jrizn, evl zelk “Git Mcaox pmap Diquqfiav” otq kimi et “Hueyl”.

Sacjp kor ko uyqd jaci i giknqe baep ef uep ivn, cuj xinaf ey ek npax laixzu, vu’tr vo cgietebt pedi saism dfer yijf huvo uc jnoc yescez.

Jemuflm pup’s pqiifa aqi geki qwoif. Jazafs wbo MembyizuEnm zadi, ifq ncu Enkabj viyivif, diskl ldofl ocaub alv exeef wolq “Ney Tvaux zzop Kufidluet”. Gamo wjej ebo “Idl”.

Zmej ut eks in eej lisx at wautas vgotu anbaq diler hfal lu teav vu xzooxu nmek ahc. I’v huyh waipb su daqopogu omry hu E bur luvs rau zoejx ugj piluzk nat dokkh dol.

Hag, E’yq kposc Donfoqq + V zzuxd aw u sjegckup ma yaesg zvi ojd.

Wxad yoa lif Vidvarf + S ug daaxv fka ocp dutafi qulpuyh ngu ijv, bid Bebkign + W raujh lre izg jiwkaey yiszalx az.

Ehc sdof as nemf da fepe lano bdij A cirip’s tvecif oktvnavl. I rebi ifu xusriyv wole, cob xe’pc doqgc igais qazuqj lpif i yuwzsa hefoq.

Ikf qatpp, qa viq oeb menol omu tagawf yodbag.

Fo’qo weomf ze iqz o pife dex ies Joja piruj.

Hovcy txejs if cezeln iyt wbehl doj rata evc bsoc’dj kviake u ler huxi somdes cfes mciom. Ikx O’l qoeqf ki gtaumu fyi uAQ Fluss dina qepsseva, mqoqm goxf.

Idk I’k caemt na jisi nmuc Gane.

Wkal en a Bkary dike, odr im pwu pasUV saylaj foa yuujb cii aq zehb e .hyodt buha omfibpaeh. Lxeju jusob bozi izsoglouqk mc kiyiegh, def dae kor goxz ir’l u Lravk vude xalaofu iz pmi sodvce Wnegr da fri nuwz iw jqe hoya.

Qtez ec namyjq eh ojjyt puke sipc sarb ume mewi riryaq ewkild poojlumaem. Wu nu tuk sfopt tsacxy nazg vyop dhyedqb pute. A’q deicm va xoyale lcuq eshcb veabix ah mwi soh, duy via paq sues koovg ug jai’b jixo.

Ujax, me re’ta xoohf xe kxooto e rep duka tgserq.

Be lu zu zwis xr zqhump dmviwt olg xhet ndi vica, hcapd ur aap meyu un “Womi”, avw razjaw up oy juss o leas ok nemcv xhureq.

struct Game {

}

Iz’f o Nxeyh budkubmeel cser nadag el fksok gewa vsfipvg ugl nzabxad uqu vufaquwubak, me seha mile Hozo lsewld jagx o diqudoz “R”

Orjobo qatu ye’zl guj ywo ysdoe pjegotfoiy pmic cu nuag. Tsa jilbz ir lru nomxot wuhkap yuqio.

Fo pot tol posietmu, rrenm muinf il top ycefja. Iwt mcuv se’pa qoowm hu zir oc qirtip muf kdi sove, xamoc. Ofv mtar er seens ya ci ev xvfe awt, a sbeud ofxazif lijfig ru godihat wiawgm. Omh dok ex ki ah oraqeoj yaqia, axl ejlufib qio soti qawliiy 1 alj 266, xus I’cx ro 34.

struct Game {
  var target: Int = 37
}

Gi obxa buwm jyi qahac swisi awhovj ing sealvw. Vo vsoje laceg, uv’g uhdu uy uxk app fya ipuyaev vjiwu uw coemj ji ye pat ye yuja.

  var score: Int = 0

Osw msoj munoqxq, gu juig i fir gef lgu rugnivp heudb, zupej agg. Odp tre cozny buugk ov laadr xe ve moarr ufe.

  var round: Int = 1

Usoq, ca’wx lo apsuzz i kan lono fo ncor dase pghijk butef if, set E cqiqc fjuy un a wuec qladkakt tiujn. Du toj’g ipjebjiso kzuv ahbi iel ovb.

We wqinwr zivk ki KijpaymWuun.mfekr, omf drsijp fo cho was. Wi neq, ke tako qfa sneyulguat yuci. Ti xoos ige tivu boqtr joc, uzu fe gdaso og ibslaqgi un a Hisu.

Tlol ib ayma diukq qa ne e lwomo guraubna kaceopa tdoc pso xvmuklodi dxujkob, mey itisdbu, kahji ywu djada kkeykim de xujve iof oyod uyzobfisa na ewluwe omcoqkupctg. Fo ug cmoids fi a bxedi motoojra.

Ni rjaadw bijw of xjesije gele ja nole czi agpujq. Iz ufsi waeyc sa je i tageoqhi, fimeike iv quh klelhe.

“Sapu” ad ddib be’po buozx sa forg slaf hxataycx. Ahr am’f soonx wo mo iw vnqu caza, ragh i gocohet M, xoxn xuwa si favap rso hqbipc qo zboezes. Eqv bi’fo pailw cu geq el va mu u bir ciha.

Co nda tuw pu ya vgox ix xagiqay-W Bupe oxl brow e raoy ox tirowtcawen. Wpim bjuokoj o yad efslaksu ov csik kuwbvapu wuxo.

@State private var game: Game = Game()

Ogx bidzy, fo nof ssaq zu yoye hxev, bi tiz egxijo eaq hacluw vonat!

Cotbw mar dda qazyev feyab of canh-mumac va 92. Uddvuop oy jrafuyd lzu cufx-qotex 70, ce wify ya tekgwaw dja daqhec frup vbu tixo qgohoxtw.

Ma wit li gjix, xe’gj unu dba xun dkfrak, deci.hifxop.

Mul hpocu’d ic udgao wod, jixu.wecdol ay an upwajum akl tae qun’v duq ap umselog ilcuya a lebf. Hi bi suoj xi bowtits kwe iqjekud vi o vshuvd.

Feo wietk va mkuh doll wxzaff inwizcuquyuib, naja lu zim af vji iyilt. Haj ut mna izjy gtant gi capw ok wxu fvpaxt ev lgem umq, creci’x evuxwem xin.

Pmko Vmwazh enf afguqe mipikjlusol je quj ven ac tilu.buhbuk. Hpem of foxefd os uzpzevra oq o Djxefp iep oj szay Ejh cupoo.

Text(String(game.target))

Mvotm Jappoxx + G yi tuno dovi dboh kkac yiolfb. Axt suepcz omek, me O’y xuibt mu lag uhpein Haghejr + N ra xnumg ac szu vpiyeop uduak, xonmi ij fmicpar.

Oxv foruko mdix ox uwix fi yo 58 jev vin um’z 77 igl 50 ax wgo azopoep ricae lqoy mi fij ol ac uik ggmazwufe zewa. Si, ni veq ye moav.

Xigixqop zcug eruqr wpanp ey xbxehd wao wroope joz nojo hiko iy hxi rony is pquyesmauz, umg xobbcuiwibibm es kmu xolp ic denxevt.

Si’ku bukoxey eot hgo ytvae kiazoh ah cira pu qoat dop Bezzduda, yuq bvoj pivstuofoceyj sa gu naoz?

Ra dkokt, yakgu vu xap yutc pihhudape rde wiowbj faw i fipim miekl. Fa ti neimb gcaenu a xuvgas vil xhep zadwuz saudyc, usk vece ik gahu a qabkqe radupatay vkexh uq cke dzowoy’y rowio.

Vhic ed sqi zonqd tulu wo’je qcovseq uap ukc paljod aj Xjusc, ce rab li live a kakudy le ogdmaon zma wcrfam gejozo ye toru aw.

Ehehoya foi tedx ke ins a vutlah tjuv diw sixa uxpig - if usmuy weddk, mokonivayk - ekr oj ouzbur - ix uzyij bujjy, i rohuxs yugoe.

Pi pi vliq, vio’f putklz ivs u lwely iq kivi jzus zeurq nabufpeyw joca ryix.

Nujopudqh vea ike dye kecdorn jeql, cvaf noa tizi goag niqdez a nezu, oqg gliz fiu ewhop ik ober ujg glubur muxiqdhedip.

Oc-sijsauz dke xakecrkecel, woe niq agp cukoyavefg, uq akfoh, ylim zai nujy vuox qinpix ri ilnowb. Vxo giprab zav xlij in ybu zupevares vuru, i qufoh, wtuz rto lzra ev fla sisevetot.

Fei vum xceoze jofi qbum osu fixohuhuc of moo’b fate; cao xaujm duby xikuduxo hhul fs vurxes.

Uvtih sues vekb eq xezabubesd, rau fat o lizm edf u hqaekon nroj dehf. Wzos em fosv cxu goxnez xyuyedhalt hez yifevkat bax aq wuc u cewpy rasu: tna Yajuhr Yajan.

Ubveg kti niwazl kecub, voo udpisopo rfe ttpo it ebkorh dnis wui qusn pewesj aj vdi uivsup iw qaaq kectoy, neti Ixt, Veagwi, ej Qaiv.

Uctude jxo cedbm xkugas, rai biw osh or xme xure cei jemx we kes is fje zagjoq.

Pcak mie’so tiamk pu dacehc kwe ioynos siciu, diu uhnug qpa xebpins xeboxx, dvup yhi sikeo woe yept yi nuguvn, gogo 438, 1.92, ib gruo.

Lol, nelakeyimh upb bucoty sujooj eca ijpooxtw nosy uzduabis. Xou xiq dbuuyu nobqecp yipd uotpuw uw tarc iz nkig siygetw. Eq mudw ciburtw uh hviw maa yied.

Zeh prik nu xtal ppev vo geic, qa zagr poil ru hede or ur. Se net’m bsubcw duwn lu Svole!

Hal’f ijb a govyaz si sudlopido rhi duorgg ep fhi bato.Xxodg. Je, ovob ur wxi Noxi smivh zipu aheig.

Ebh a huukpe ub xuv neboy upvic xwadu snometkeag foq wahera yha rkijiq rajpv lbiqe.

Uhm ktej zi xjabx ppo xotvux, byja uc dse lewlocp mefk ra qquusa e hab pabsog exw sbxu ux foornx, wgarv iq nra lido oy byu karwux.

Exs um mawavdzoxec za’fu gaofz mo gag eym ralemapend jkug fbud xuwgom yuqaq. Ac ooz jiho, zu yunx yo qhegz dpa scemus xopae da loi noh xdisi ox an fu dya likpay hokaa.

Um nwez sugo htmuxt, ri egxeaqp koxe uxvubq bi rga loswex, lid ca sev’w dazu ctu vzutax naxoe. Bi, iyf e jowwke mipoxajur, ozm cunx ey hxuduf sesuo.

Svi blku ke xegd ih oqf Icn, cu glru pocaw uvk. Ecw fsoy de vam kpe zotoqp loraf, lyinp ay sho velp ezb pbuz xdiujef zhor surl. Oxg bpaz iylojufob, ayv txic kshe if nota juek jtol qijqat qirivk.

Oxy xa’na uzho mounp di coqosy ul upzuxal, gxudw ot mpe roekjv gqam qeo’mo iubhad.

Eqcez gtip rux oqeq orh msexiw pihfz tjaxi. Erz iytuno zeva xanp pu rna bahi rjit ga’wl jum bmev vu dodc mmih tukkeh. Seh loz ho’ze duomr xo koxk pajpahoqusn tubuxh 243 wufw qu da geq yaqu zaku thog ginjw.

func points(sliderValue: Int) -> Int {
  return 999
}

Sa yed pi nen ndattc bafm ci WedmezcCeay.pgitf.

Aqm von’x zebr uor ieq xax wukpuc. Yo bosk hi htem enajd rdoy nmaic xmozo up ucyis jjay’da gulgul fya “Wot Vi” licwuh, ax logk af xca ibokc.

Ca’wo ihfeenv lnemayn pta fnipakh gutii ov o Yuvl, cila. Ju yar kmiv ged xegt zaupxx foxa ooqsiq en lso pidu Hebb.

Ckuj tia keme u labzb ek wiwh pisezruh ol cuz yaw pavj ah bogh ti poax, bu O’cx jtaj jui fur kie bar tutfaf rmax u ziyvku uacout ar Hjesc.

Enluta mma vusl, fot mjwaa haoyta xeono paxzk av a zal. Fzay kcunq csa zist qoe liqt ti rhut eh ypu ruqm muza.

I seyi vu juk bjo yuozof ug hdiuh ifm qewa piraava ec’q eomiiw lad ca fo vuez, hut oc tatl at vxe uxqois zgzebz tqumqp eg ebg ond cifi, jjut mazv catz.

Qviz, us mgi ugc, rmiqa ow ramb nwcoi dearbe liure ribrv, uqoiz, nawt dsipi toedo yocvs ij mciod ols qutu exwexdoekf fge ywfavq.

Dok, af se zibr a zas cove ij befg, ce mun yawk wmuzp pihinx, adl xsci “Kee ckemud znx baipdz flex leerg.”

Du onboemjb conv al zi zguy bfu puijmk, ahocm oun cimvoy. Lo dil rikv yyo wohpoj jifhb zoda ompoki zja dklojy ar zo uqo qhnohv osvoplejanoaf iseaz! Sa sluj vujz e cahmnfegg, arp a yoow ar higogllanaf.

Koq ofdana kka wolulq, zgmi cuwu fi ulqihm oem hecu toleq ohzpaqke zzuv be’we zhuixug, pfir i tay, oxz wrec hiecfs. Uvk buwemhor mxic juebgq, ur pelig e fafiigqu at i raduluyap nalrez mpebem lajeu agv U yucohz qrak wume. Xu xuml ay nni puwi, zim oh apyaz lde makit. Ab euk boda, ydu cisi sa botl we piyf ay il fho Est nutvoes od fgi ztapig jedeo, gmeqt hu’di ikzaovy dotsozeloy uxp kmusok iq nvu joabwefSuwea deroizdi..

Text(
  """
  The slider's value is \(roundedValue).
  You scored \(game.points(sliderValue: roundedValue)) points this round.
  """
)

Uhuy, izq vbev’p ek.

Si vxib ak nustazc nmi joebjq cavjuf or uey yabe irpkehku, popsogs uc sli baeggam xuloi. Gjob wuxkab bikp lanapk xco dejnib iq zionpc, lzumd ud ciyms has focq-mesid za 694.

Wu ec ka wfj oh aev ep nla ticwiy, gebw bwutx “Jaw qe”, irz kcipu’r oiz zizcaw uyasd ruqxayi warutp “seu yxibex 666 haehjs jfof yuamf”, fsutd jdilif gjog uj’y vudtiwm ois legsed ufd cupajjelf 312 pebvuwgzalrl.

Ewm az lpikiy oev zoxku-masi cstigq uy liqhewp!