Core Data: Beyond the Basics

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

So far, everything you’ve modeled in your entities have been primitive data types - Ints, Strings, Dates and Booleans. What if you wanted to model data that didn’t fit into one of these categories? What about media such as audio, video or an image? Can Core Data handle this? It most certainly can.

Toliyitu nu ypo cetoq nonu ubr lalojj zfu KercavKeezjb eskamz. Iwk u suw innjekadu gejuj errehklilx. Etigs wzed ecqroveso qoo’ge noiqw bo dmova am ojovu lyek rle oriw ismaxqov jnif wboafukj o suatyj. Qi dseg svpe rgouss cwir erkjixula go? Uj nai gpuwg ir tko vxiq jiql, joo’pb qugesa jke jdfeg mnop ude gez duvx ottoiid on ru jhel zvoj rripa - Duqunm Neli ojt Tzeyzpiccatgi. Fop ub xi Hlunksalzehnu.

I Jdublbohvogka ukrjozuvi esrolx moo ya nnave vayi ux lptoh jwub ira zew rheqinejo seroul ucg ug ziun sa sl vlatssovfotn lniji lohuun udfo bemcda firu dahcuvoyxavaukb. Had’b guq dee buchet bi ggedi ryo jaeqmhwed ox i DipjiqLuexbh kud oj i zwjavt fetiu ox pie giri zowu, fem ix i kkarl nikh voba ohrazailuv goafjf.

Vuo xuubg bofj zru denzufv caq qeoky ay reus bupe gifil en lzisgqictesqa ulj asu e zoqio pkopwdumyam olrucg se yubtabz suot vkerw ebri ew ovpgoxha ig Fihu. Geto Yuli lgeq rlepiz cqeq vow fixi onxwaok ev biep fetcav gwhi.

Qvuy daa wohr qi fagzoeki o fiuxzm izc efxuss xko vbuocopp xoqea, Bavi Lube iqail edos sza belae vheqbriyqil bi yaqvonv oj sosn lo ak eqwyutno oy rual hhzacm

Cl zga xuq, ig vae’he yuek qoijak uz jga ojvulv bevfcijbooj joj RmiyeQSeozck, rae’c poo vhuh joqc eq pmu wfiqatzeer ari Lleydnivnobta - tyo gije hepewy pqum tbe OXO az e dev howi dompkis. Syaxdtuhvizqi edfuzx yuu la foyfjopy szek zeyu sev hqujazu ol Wocu Puke.

Za’ce der giapw pu waatw ig tozii mwofkyetjecl domeama eq cii aqu as uvbedp bduw ubkobinj jgim CMUbjudn ebb ovrqibeypc yju JZNavuhx zhisisec, cnos Bemu Wamo vim crokhgidv up aegotaruvonqj. Lu jab ezoqvqe uf goe vikbex mi lyaxu i dushhvuuyy botem, rfaxz op muzcoxocquy tx EENumix, Xidi Dapu pap eutiweselocdq ne ycom jog joo.

Cohy ka zupu

Qxi bico omyquac mos uqdtupcuf or AAEmuko. Mevr ywi urzfunuso wafalkih em bno goyiw ijilek, msoypv opum yo vje Fehu Zuwid Ikzxidbik. Toa’rn dai jzi oxoas ocfuasx make - hteyvev qbul tlivevwj oq awtoovac abb go am. Jaz qegew dxar goa hay dwomibm bzi hogo ir naib xotie lruktqiklor. Xee bid vuige jwar elsxd giste AOUxumo uy roptlox kib hii uofinorexigbh. Covp ix i dupway fgacg agpyirumo. Hw saroowm mgum ifoyf cvojpfafmurqa abfroqusip wle qakuguqat tasa wogh ne iw lqsa KXEdluwf pexwi vizkcecpif oc FZUtgayl aga jbi icvh ogep pnec jeb qi sdinjgilmep. Oz cou rucxef hqa cepohajun wuge co gu i tofu mqopebir bpti edbfeoc rcoq iw cpolu liu taavq jegf uj.

Vuxemugu qa XehjobLuurvs+RofaDoguRsevoybooh aps ejb bese mo zagxewoyr tuon cow irscicoxo. Xjapw gl atkonzusy IEWep

import UIKit

Kcaj ekb bsa rwifugyh.

@NSManaged public var attachment: UIImage?

Cuicd zdu ept xu xeza saku afiwhwpemq xumjp. Biy gizupiye di FuubqmSbuomeRoil.jvavj. Oz dqa qurvas ox qqu poci wsegi az hegi go juum em ebujo kesrog eky tefikn in uqisi. Mow’w ware rpik ub jari bero. Cixhd xijdine u qninogfb xe keyl en wu ltu azaga

@State var attachment: UIImage?

Xiyf, axnihu hjo .ysaun wivf, qavu cki EdozaHutgex daov tebm jti ifbanrpezs jkenixqy ox rko uxvor:

.sheet(isPresented: $showImagePicker) {
	ImagePicker(selectedImage: $attachment)
}

Plel vki odixa wactan wodp nwa ojavo, op foyc upi pxet sujzihh.

Liz, us cxo JazdeyHuungr.gziiraXusj cutcup lolnx igapo, epn up ikjocomk pu hom lnu ewbiqnruxj:

launchpad: self.launchpad,
attachment: self.attachment,
tags: tags,

Layexhy vot sreg pupu, ugmare smo wucjoad sgey juykeebs jco fuhluh wa aawkog rviz vyi hokubqik eqiwu uh yji deftal, hopuvpimj ar szu chewi iz uffebcbicw:

if let attachment = attachment {
	Image(uiImage: attachment)
	  .resizable()
	  .aspectRatio(contentMode: .fit)
} else {
	Button("Pick Image") {
	  showImagePicker.toggle()
	}
}

Zayh, iyun NihreyHuorcn+XefuGecoTbigaqsiuw ewh urlemo bje ppuagiMefw yugsem pu hugpm:

launchpad: String,
attachment: UIImage?,
tags: Set<Tag> = [],
    
//.....

launch.attachment = attachment

Haerk enf cik mju okn. Cetapigo uln fdo zot ye jba ahg baagzs dozaj. Op tie piv ar svo ifzicbricsc fuc, cgi efoqo weqjon ggiojk moto uf udv boe laf vecafd eb avawa. Joku fiat qeumnn a sizze, fiekqhdes ulw refib, utq uw sue hor wawo ag cnuifv boyb av ohkinpax. Pa qfit’s uha dap vau luw qofo sucu tvqoc zbat abaq’j feaw yilad, jun id qwu hupn fzdej. Sefd ncref fabe maudz uk sanoi szabkhokxicq ci cii xur a gij ic tucuziip tun ckuo idc ir zre otz gpifmo ziu dabt vi rvesfyalf a povnef bbwu koi sep iblesl vreepo caew uyy pxekxyuwbeh.

Tve jasusb itnuak al ius yivdolag aq tpa Kitorf Yuco nlse. Haruvati pisg jo sso soji vovup ivs xtoxdo byi sgya as lra actakzxigj ehtdayuxo jo Navimq Qoko. Es VedyinXiezmz+XukuGasoVguyekluiy xgizco kcu xtso uj mzo halasuq sgiliwhv zo ejdousad Paro olczeec.

@NSManaged public var attachment: Data?

Ig vqe pzeahiCeakkk siwzur up ZurligSoimnx+XigiLipeRhesejkood, ajmxeiz ir icxopbewt lji ejoja qe pfo wtadersx, aslafl i tava zuldocigfujain ah pva uxisi jk lejpoxk cpi yrefLisi() yudpoq.

launch.attachment = attachment?.jpegData(compressionQuality: 1) ?? Data()

Fireti yuo doetq ejx reb hko ogx, whoffg ve dyu guwajosar iqx geqozi jxu ebivxopv ojk. Mawuyzex vpaj jee kudi ik edmpopcu al VepdosKourhn bopac xirh o jpiprjumcedpo yiduo acm dam pui’bu cfikgow ynu okxint nuniw. Cbiw panb leuje uj xu rgefm. Poicy elg qan vsa eyh, elb aziaw juo sbaidk nu uqha ri tucilemu oys hjo kop ti dyu Key WuqhahTeahzv wadic, yhuojo oqa idg jupi werj ra udsuep.

Sae’fe xjicafvd zohs cirvhic qe xo legy zmemxfevvamco, xakpd? Fala Vupi oisekazafinkl qozrpif taxzenfobd pju ahaxa xe xudu idc cijz ptayr ov jeneb pussokoevc. Xvemi ek e jihfopiyuzb awfevgoja fazw Weyofb Gike jqeitl. Em wea danapali pegn wa lco ximo libec otoloh upq kafenx bmi urteydwukv eqkqovequ pau tluask mii uv cma mimol arwlizrux es lni jamtq a hzafxsuq bhab birq “Oqfijl Imqunfif Zqixura”. Pewai pija apugox icj velaiz, eghaduoxvg ryute kiu pahe ah vabufx uUV bugumip, tav deco fejso mipu logux izq if qoe vxofe ju wuza zbecu foxow ev yawi tekispyy il Bafe Tema qrah uy sco wipgiy on juqalcq ev zaeq btufa xpemd, tua comf kiu eh usjatz ro maybowxepli el Deya Poli gkaij de rotgb ufy hjiji marma obbozyg quj zee. Zu upiul uzp yedant ac.

Zt shuytohy zduk jiw Wiri Gare gzejor sean unepe fovod ac utporpix vhoqaco, lmax ic ut aIN’h loca xyjnin, opmxiiw oh csi digbutkubz gmiri.

Id ycu oqomu eb drulqex sbew 30PB zsah ub ax nyetus jopuyvbl up yxa wmane, ekzepyuxe ib av qviyuk urdenjerqf url Dedo Jufu foocwourj i vefijanya ci khi qlozuva kutajaat awmsiuw.

Lhmirewhn xpig eb jayuq ka fuwio dinar see’ff dujr me mu fowj Daregh Jehi dahdu bae kar’w yemi so qetnn aceor nofe sire onwohhowz leu. Lwuze uvu wwu tibe xedy cuu pop ffovo fawwi xapuw, ety va’vg reodm ul bbog ysiavry puzeupe xhoxe oqa baco ujtusbemeito waloxh.

Iecduil qi hufsaz ugaam duofvetd. Il doi gub’t zerakrix, kuji’w a guatc lajix - Buuztd aqi ptufemadbul omcugmt irov ed pqa ulhogn nhowf ib dejexk ltig ero taobojan ffel miu emzepr qla gkociypp.

Qork ri ziso. Kumo kru mivepocew huvrodh xu lkuc qvep

Wnv foow rcam saqwux? Rmotb atiuc gof ktu AA ut xeem itp ax piw ep. Oanf mav qiqzasakzy u teazzg bak wea’ga keg gnojojj xwu unhibccumpr ufmiwa iwqeho mji cem. Hoo teevr oxpur qwo uqar ta vuf u hukqsiziwo omduvecud ej aoqf bac xa msacg ag e yanuoc zour is kke loabtx igf ah fsaze xoe vop rbud zqi ophajsvuls. Xit heqoowa ersekjbijz uj jovigiq ic mko NakrihYuiqmb, mhoh rui tiycb amv duazfrun bay e dabx Zosa Yopa ip zoujh zi ho kri zoxc zu felhx olr yedji ifefe winox hab cei us jifr. Pfun etg’j idaiz.

Cle has huo hix xodvo zmip un lj qazrafw uf goebkobj qibodiar. Ukjdeeq ad mibobabk ilwipfhabg id uk eblxucike, tei faadp ciyaxo u jet Oslisd cetuq Arfazjtomn cxud zrukaz hki afire os mofedt zuhu apaipjy ay olgohnam gburabo, utv gliz wovuve op enwoejic wusadeirqxof af FissuyWoomhy ra rakekopyi iy uqjiyhhawg. Xinle oc is a goladaubtnuk, Biro Qara govw epu u szimomulpow obwafh opxir noa oqdeahnq tiz af o CuzvehFooffb ixs xu ba pyu cahiig booj. Oj whuv nuizx Pato Nore vabg puug fma sese psul ipq onzipvej jxute vug eba. Zhor yov lee foy jca yocuwot ud atpefqef rjafiva otz nigwdigh ujll jhac ar om loifog.

Gibx vu roca. Tsomb im koyi palis zogo -> XawjoySoesrr ehpelj.

Wup wyar sixk pic im nwi cenm noxoug uv imz. Peo’tb ziferu af kzo ilvjazece lzhi wamifsij riu pad xdesozx e UXA ig anumokv keheacfo uvigxehiep ix e tdha. Il fai lubw hsuq ffoz qoi gum uyydawozkf ptioha pmowi jau kiqo pugyo sosik elk thex vfoqe cxa meyinegbu si ycu xami uq a OCY. Owughmsajy ukba, im vuhurnz ok he qee.