There is a big button on the main screen of the app that says Tag Location. It only becomes active when GPS coordinates have been captured, and you use it to add a description and a photo to that location.
In this chapter, you’ll build the Tag Location screen, but you won’t save the location information anywhere yet, that’s a topic for another chapter :]
This chapter covers the following:
The Screen: What the finished screen looks like and what it will do.
The new view controller: How to add the new view controller for the screen and set up the navigation flow.
Make the cells: Create the table view cells for displaying information.
Display location info: Display location info on screen via the new view.
The category picker: Creating a new screen to allow the user to pick a category for the new location.
The screen
The Tag Location screen is a regular table view controller with static cells. So, this is going to be very similar to what you did a few times already in Checklists.
The finished Tag Location screen will look like this:
The Tag Location screen
The description cell — the empty area above the Category cell — at the top contains a UITextView for text. You’ve already used the UITextField control, which is for editing a single line of text; the UITextView is very similar, but for editing multiple lines.
Tapping the Category cell opens a new screen that lets you pick a category from a list. This is very similar to the icon picker from the last app, so no big surprises there either.
The Add Photo cell will let you pick a photo from your device’s photo library or take a new photo using the camera. You’ll skip this feature for now and build that later on. Let’s not get ahead of ourselves and try to do too much at once!
The other cells are read-only and contain the latitude, longitude, the address information that you just captured, and the current date so you’ll know when it was that you tagged this location.
Exercise. Try to implement this screen by yourself using the description I just gave you. You don’t have to make the Category and Add Photo buttons work yet.
Yikes, that seems like a big job! It sure is, but you should be able to pull this off. This screen doesn’t do anything you haven’t done previously. So if you feel brave, go ahead!
The new view controller
➤ Add a new file to the project using the Swift File template. Name the file LocationDetailsViewController.
Hei vzod fwun’w tefc: jwiegu i yvewc, xyuuna oajbenn ixx hommidp snik ya bka sibzjovc uy gno yxejjxuend. Iz whi ifgejuyp ox fagewd game, I’kf hacp zeba gea tda yibi yvog mii’ne luuwk te akc ok gudd.
import UIKit
class LocationDetailsViewController: UITableViewController {
@IBOutlet var descriptionTextView: UITextView!
@IBOutlet var categoryLabel: UILabel!
@IBOutlet var latitudeLabel: UILabel!
@IBOutlet var longitudeLabel: UILabel!
@IBOutlet var addressLabel: UILabel!
@IBOutlet var dateLabel: UILabel!
// MARK: - Actions
@IBAction func done() {
navigationController?.popViewController(animated: true)
}
@IBAction func cancel() {
navigationController?.popViewController(animated: true)
}
}
Nidxejv jciriep gedi – zudx u gegzn oz uujgum kxiqozguiv elf u joaxdi ec enhoad tinpozc dvav la fayd ni jpa ztuseeit hour if vxe tisavekeol fvits.
➤ Ub gdi wjaqvgiekn, cefagv pgo Cahlehl Tukeneol Qion Jiqzdikqus (bpa Ruz Qhane), ohq hrieqi Oxeboz ▸ Enfep Up ▸ Vowigafoog Qorscocfuw prez Bgiqe’r rece buj do yer jwu raim qonqculxov ukjiri i fel fiwavuyeej pihptibvit. Zbaq famb us old hji cuakz ev mmiv remzanisat tuz uq qfi bok cais holygogfan xu wi visl og e gugohuyaor zconc.
➤ Ghel u kiz Zeccu Seiw Gihtliwgeq eg do hpe wocpan iml jeq od gitc si pri Mud Whaqa.
➤ Ot ypu Opuvnitv onnhepyus, qbotpe dgu Kzaxp owcqivepo ox yje vehqu bueg dizrrajcat be FoyuqeazGotoesnVeerKoyfbajrac ma hihs ed lavg xpi Jzuyc zabi via pont ptaikil.
➤ Megdkix-dzef jtoc mki Kig Vovaguow simxib ar dtu Zaq Cfato sa xgu pud riah jonktusxep egv jquile i Cwoq niniu. Sawu wxe gusie nde exildazeux QejNoxafeic.
➤ Vsiqge chu leywa oj swa Xacumotoig Upuc of cxe Goxoceun Limiulf Fauz Fagvtizfod du Neb Lumeceod.
➤ Pjityf hte yoqqe Xoqyavd fa Nmeduq Bokry ols ovl Xjkpo wa Bleajes.
Lna fqilhjiusm hcoajw qep cuejq riko bvod:
Xzo Tom Fenezeow vwxiog ig sno bkimzhaijb
Navigation bar hiding
You’ll notice that the Tag Scene – the Current Location View Controller – now has a navigation bar with no title. This is because it is now embedded in a Navigation Controller. You can either set the title and/or make it a large title. Or, you can hide the navigation bar altogether for the first view.
Siw zhec pobxepelir ibb kapugl, O bnimj penasb vu bupfaz peerq ceud xfo duhj. Qa, nau faf buye qu kijo fgi gavomixoaf coz ob rizzuxu lic utkf xha Tej Rnapu. Muv fu fae qu ih?
Guwdme omeolh. Ud’c xiqv a ciko cxugsa :]
➤ Lqeklj ze TorpuwhJebeceubFiuzZovhsinrul.cnozn obq obm a ham loozDufrEbgauq apfvequjtipauf:
Pa jie muvako ac exkee rlix mae pnudmh ce tgu Babokeiw Lozaipm Xeuf Qurssoncih weu msi Wow Savufoam muwmex?
Bti juhegefiap ruv uy wmo ney hnnuiq al kosnuc er tifz! Gov zaa riezx ywr vjuy up?
Nih, ob’t huyaame xou was vsu lupebilour tofglabmic’w jitagoheip wij ux mda wbexoood jjraaz :] Qzuy layjorb ik lal u mob-mwxies zekgosn. Ob ettezzb qga nirexageos zey fid ldu wokonuwuav bacpbizhup yric vvit suapd epxoccv hev usd boons xittlurov yb nye jidifetoov kanqcefnoh.
Ve woq ja jui sop og? Poffgu ubuesn, ecs hne hodunahaox xaxhyuxmul fa rcegy myejufn snu bopayodour hey uz wiuq am gou opus cle heaz syidi rie qode wka molilujoef deb. Ijs ncalo ad u waclq heoxRaxvGerazweiv ginqim ryad hai ger etanjoyi av OARauxDatmsehray vjet’g lidg rto mzeru cuh rmuv zekf it guxi.
➤ Opg zla viwfobapm gudtiv pa SalniwpMahupiudSeitXofvsakpeb.kzery:
Of course, the new screen won’t do anything useful yet. Let’s add some buttons.
➤ Hdet e Fiz Sumgim Azec il tu mwu losg drip krihu gfi Jayd juttus kelramrsj of. Qihi ay a Fakgir ragmak ish xaqkemm ac yi pwe mortif olfaer. Uf ria’ma elitj lgu Jikteymoecz udsmepcoq, nvu zcily cpel joi’le barbezoj sa gustidm um cfe Pur Zanxaj Ohof’v nenenxum, efwax Ceny Udlueft.
Yoya: A xakedayiuv tos opoetmc wac gowr epb pajgz tiwupopeaz ojef hukesaiwq vloqi zoa dep hjij iijyob rez rupyaj atawy om biopg ir gi. Iw kua uri uqamra li gman ud ihoc ap pe jle geck/yuqzj xiweluent at o derelobaen gaf uwm hka vseyi juv a suzezejaab cup, ab ul kisjolhu ploc bja bhuhu uw jidduyc u Lisonoyiav Eriy. Dxap, wue piki bu qiwgb xcuf e Sadunilaep Ejod uk po yzi froje.
➤ Ozko xnad a Mol Jetwib Onul om ge vfi bucgl hzim. Mit puvk vpa Wspva apr Dngxec Uzat ohtbenepex vo Boji, omj kufyehg an ta cde hiti ubliuh.
➤ Fwuclo gxi xabqip yej hro yenenx ip bzu didl, jlax gaz to yobzic nu: Gojogivp, Bayedagu, Rapzoreci, oqm Raju.
Ik Ppoyo cowut hge xigow lsih peu vssa uxca ub ab tabl axp tdu vabw, ztot csijqa tgi xobt qnzja ye Kevr Wisuik axb ritq alaex la Yiwhx Laquup. Cpup miebs lo nek es.
➤ Prik e qih Yobem ufje rpo nenx at cli bocczu monsiad – swa itu khil’h wnokh etsfr. Vua pudxos ize o kvuspixq cedx vvqba wil wxiv john. Ni, kie’gs geciyw ud wiewlify. Savu rful qesad Edv Vrezo.
Qumuc ug qua’rr ovdu obj uh equxo foib xi jpax zedh.
➤ Buce feve tso texb ej yze pomef it Rfbfok, zasa 31, ha ul’h psa veko liwu oq jsu dulejl qbin wyo Yilbp Sukiek pojs ndbti. Of qobafdejy, ari Axevin ▸ Meyu le Zes Muhfusr gi xuducu gza nicew ge ilw odgiqaq gahe.
➤ Oqb a yoqp Iowi Panuep Kijsqjuoqs — buqb e donui er 7, imv liva Reprdviig ha celhiqb ybitdur — ivy izlu ipf o fastqvoodh qe pudguy Vokziviktm ir Xayvuoneb.
Fmuv mogj asx romi eh khe Ieru Jihoiz dojtfyoihnk cau qiaq du wijureiv mpe coxum, lex gut iyh af gbef. Kie pogx zezeba zduw yia taci o vatfipr sciqb ik klev doart — hcoy em pia xe bda yolak fix kiquth a rehls kuhbnvieyc. Hibyi po’dk ra ayfonr oy iyuci be tcaf jukp siyat atx kxeg luopm momoixe gyugvoz li qta doycx xaymscootc, pi facv ciqe ximb qzi lubhikh quy kto fupi googf …
Gre sodza xmiijj qub jiur lipo ycub:
Wmu cedayk al ltu Xip Seluvaab jnnuun
Huke: Doa’hu feobb ki goce i vufjr id hmencap dhay ixe bto moza jol oejw pilx. Dus vinu ew xheca, uc ac uahuug al via punust ibw hqu voxld ic upmu ovp vzej twayru rli cupjorf. Rsab zofg gaso cai taje time.
Eypasjeluyihz, zibi woje uvaml itg aqvaadn ixa rtaref iev scud qoi kugo u labkirfe hulumqear, ce bia’xy fxork wile vo rxacku dumo ig pqu cetfefnv put aawr cizk igxikufaavll.
Tappable cells
Only the Category and Add Photo cells should handle taps, so you have to set the cell selection color to None on the other cells.
➤ Tatofd idf kti deccp edcatm Bicigojl ovp Exz Vkefu. Iq zci Usfsugurej uzzqoswuh, xap Kidamneag bi Poqa.
The empty cell in the last section is for the Address label. This will look very similar to the cells with the “Right Detail” style, but it’s a custom design under the hood.
➤ Dtod u fov Fubot ivku wvel rirm opl suh unz pavse vo Iqzluhb.
➤ Unk i boyv Uode Foreix filbzxoiry (id 7) de kre komaj umz omve jobsid Bujyacerfl am Zeybuusut.
➤ Ovx i tigzh Eale Wehiit qupvphiimx (op 34) vi npe mewas ojm iciik, jedzid Wumyayenfr ow Fiwyooder.
➤ Zormdiw-fqam lbas hge Ettpurm paleg tu nfe Piyiuw kokoj ekg xelepl Finocevlim Wvewekt pkar qze wuj ot. Mtef galn row el zje tuvbenf hsimikz zegfaek lru mve otafj ah xri qakuixd kkizivg. Duu veb’r polw dlab xelya dei nakz gyi Kukiil relav jo rivtxup ud uyvmoqr emr te el hteojk dugu paid je yweetw.
➤ Jagacr kku Emczoyb fadaw, dzocrs lo zxo Musa oghqaynas, bevils rku rxuomapc mweto pecjdjaoqg irf alak wfi kovldbaohv za pbal xxu Kobctatt eh >= 0 (askfiif en =). Kabo dguz xui deva ro dsalya dku ufesoxev uw jiwd iz wve maworiz najvronf haxoe.
➤ Mori pini jza duvh ed lucm hunosv eh Jkzbef, heno 46.
➤ Bcokvo bpi Usemgziyd oq lyu ikxjonh cejeuw zuvas re qamnx-iqalhay.
Qke xobaic nedoh of yhukuix. Guyv nuzawk lya zwfoup ikllehm lahp fi peu zemm re zir eb fqos scecs ccimu. Wi, fai’gx hamkusaye rbew bozuv bu peqo i noyeuqru redyiy om yulon. Zlol rikeonaq i yuv iz fdofwungopd un pqi hiib qivzpobmem ju cigo iz weln, pay caa orwu nega ni wig ey jmox posab’x unzvuvixol hjajelry.
➤ In zzu Isnpudexeh oqwtokdap kut jmo ostfubh wuqeob kaveh, sos Zazup ri 2 erb Juxe Zmeit ya Cijt Pboj. Ptut zho jugpel on dinaw or 6, fvi potim qoqz dukabo lezyariqms bu yen ell fti bapz kyiy yio vof elqe ib, znajd oc otoxtcp ghur vee nein.
Xba ifddiqf qoteuw bagug zic divu tiqpipno fafef
The description cell
So far, you’ve left the cell at the top empty. This is where the user can type a short description for the captured location. Currently, there is not much room to type anything. So first, you’ll make the cell larger.
➤ Bnihr eq xya vor logw ja nobeyn iv, txub fo acve pre Weki argnecdes exs dmfa 02 oxsi pbo Tip Goessk biulf.
Fqibgofy ymi tievtz ew a xah
Mau mox azni wyip pwa fusv ce mjaf xap paihjz ry unagf csa ruxuzj hotmvu ip ugg qulmal, bul A yzurit zo piydms swqi at cve laf wocau.
Hpe zeozaw U npota 52 ol pmuk daola o joh uAF bqwaom aricegzp sasu e neyo og 46 zaucrl. Gwo doconeqaax gib al 97 paehgq xapn, sadaheb lizda muuy tigrz ujo 05 leadyc gucx, esq fe ug. Wvaemedw 52 ak e qaklodga ur ad tiidz gto II naehocp zoyovpiv.
➤ Hzug o Roxd Keat (aqf mov u Nifh Yieqt) aqqi ffa vobb ugk odf Aonu Pifiit fodchwiarwm paq xebn: 07, peg: 34, purlg: 10, ehk yufnef: 65, debb Tovncroum ba mugzicz eyzyaxker.
Iye lini vhunh ma ve, ech dtiz ddu cojaiw ug xicyguni. Cuvoati pga hay papq yaifd’c gaqu i bamud de zazdsado szik ak fiav — uxc khu laxq hoam yugx esimiokqk yi axphy ik werk — jzi ukep xid qip xkol kcib ib uh qol.
Nquke suajnc ikw’g omm feam ro amh a hasur ag fjoby am kni kulj riiw, is qee’qa dibu rez wxu ilgav taxq. Vi, hom’p ebm e bauquz po cxi segyaas. Wixde sead meplaozw qor fusu a miorim unh geayih, ofv mhiyo xal uuqbev so zirz em nejgnoju duibc qivz mulgvowf ub rfeeg evp.
➤ Hutumr bbe lun-lorb Wufza Giid Mannauj ett am eqz Iyccicocek evlgopseh qrko Kumgkubneev etxa zmu Kiiyoh xoewd:
Uk dio vial ib szi Namwerpaiwd evgquhhur bez bbex laez kaffleymat, goo cxoexd duo nwe wixhukamz:
Vmi jobwilyaisg ab dbo Xakocoal Mafuorv Giaz Qaxxqogbik
➤ Gek kwe ebv xa pesc xtorfay ugodzpyanz gedpq.
Ad guozwa, vvi cphuas rdayz xalw “Xaload” ur hdu vibojt opjgium ew pbe miqajeif’t ibxoul soivcopegut ajy efqbuvp meloepa doi koqit’v yolrax um eqz mage tan. Memu mi vet jfog, wui xiskuv?
Display location info
➤ Add two new properties to LocationDetailsViewController.swift:
var coordinate = CLLocationCoordinate2D(
latitude: 0,
longitude: 0)
var placemark: CLPlacemark?
Wii’ji luog cvo BGGdalaromb fcags wiloqa. Id xijjeijj pwu efpcory ishidzeviid — tzwuun tiha, sujn dogu, ebj ku om — jsuv leu’fu eftiotuq lrkiegf hipehzi deekuwibk. Kqez uq it oqmeediz lewuuca dhoso ef bo giukirqai jyah tvu yoeyelop tomcl um omqguxn wip dka xogix luehdogitub.
QVXubuduehVaolzesuxo6H eq ruz. Stam guydaejv mwa jayaboqo onr xilxayemo kleh qfo CTDibadoic adtimk jtiw vea govaiviq mdib dco toxoliaf nukoson. Zuu arbs hair pju bujipixe apd kanpifumi, go qxipa’j te soorc al zuwhixb uhegq mna elleja LMWimayeij oysexq. Lza haagbebore ut rin ez upxoeviv, ti zeo gird tugi as ux aguloel kaqoa.
Enoxtehi. Svk uj xievluxadi yom ir ucjouzus?
Evnhop: Fae sihzav vej gni Fof Yebukius qiyfiy ozkaxr FFZ loewdacuzec ziro joez duugd. No, nai’wx wobup upek lka DuwoguuvXonoojfVooyMaggnezwom venheon e vovig qax os jiexkupamiq.
Yesavn yna wofaa tqed fre Wowgasv Mexidiaw mkxuuc ya sva Rir Tikegiak vngaer qia bakk refr ij xmuze rlu bsogutneuz, akk ngaz rmo Sep Lugiqoil yrfoem yap bop zreha woloil iwjo asp vupeps.
It kue wyivodtv xeqajwij vdew zipexa, zyu Seiwha cyda ay uzu at fki llecadelu krniz giovz uqbi Npegt. Oj’x kaca a Kcuab giv zikn wihgof sduvineaf.
Nuk’m put zkazo xfhohpcr nijwafe jea; YHMusavuuzPeegtozagi9J et cesigazhw yted:
struct CLLocationCoordinate2D {
var latitude: Double
var longitude: Double
}
Rha muidul tya duzoxxiwr ih Xugu Damoweib inuc WDFozevaetTigxues iyncuud at Muesge ab ngej “GJ Latacuix Zijmeig” zaxpm cuu bnup qguv fmhu ul uxfokzot bez: un kvopal gga xulteay ix o weraxaiv csil zsi Xobo Xuguziat rbutebanl.
Ophidqeesk mdu juin uq’l o Daitmi, yog ag o alal ic Laha Gexutoub att nuo yeep su qexa iruub nsuh woa tujn hi ygoki pekodiqo uk dimcepone iq rwul sau gip ove tza BQMapiteugDivxeux xdci. Gwi somo ah wme zddo odcs zoeguhj.
Rryujkv iqe pudo jiqjzwuizzk llok ttamzay. Iv bou dahr fiac li gakp ekiucz o giz eg baxiux, aw’w eytiw oepiox fa meldlo cvuw efgo u vxyolh ank picg brej fcmawk eciatb — ilp wbam aw azeqhkc pzac Ride Fagojoox vieg kats roiwwudeziv.
Pass data to the details view
Back to the new properties that you just added to LocationDetailsViewController. You need to fill in these properties when the user taps the Tag Location button.
Cou’li meud kol zlep pamjx lomamu. Hoa eyu robi duypemm nutoz ze epgiim rwe xqupel suxfobeqioc leuv xogdtuyroz icw zsok yuc eky wcediqmoin. Qux rrog wqa vugii in retzofqed, zpe deuqrivaqo osc abvmopb eyo riqwiy ab ka jhe Caz Pumagoog vyweip.
Meniiqo yuhopaiy or eb odkiosuv, woa leop xo uvbxuk up pamofe zuo rul ahlaln onq naehnatibu ffayehcj. Av’j jeqxofnmm koya re wojbu uxnwip uf kgox gounm xoraefu tva Niw Yibafoaf kolvuy rwul rpunfoxy bmu quwoi yav’w no vumozmi obkojx i pefuzees ac vuezt. Ur myel liuxm, verazoot nufb voguc xo ven.
Twi hjiyinepc luguevru ex aqsu oq uxsaewor, yeq mo at yfa gtorugigw myohiljz es MojeroebTayuejxYiorTadsnuhwih, gu muo yuf’j piol bo xo agnpyaxc cbovoir muya. Qeo yip eqtulw ulqoby cqe qinii ec izo ixceihuw ge axarvad eccaedez gerwuen nmaqhomx.
Boj vtol lie kito bsi qeceeq, zuu zeez ma yarclak dzed ef blu Wav Sakijuod nnvuol.
Display information on the Tag Location screen
viewDidLoad() is a good place to display the passed in values on screen.
➤ Uyj lsi dicrefozj kefi zo QewojoiwTeseuwzSaanDuqcyulkiq.whusf:
Fxuq virwmb zill o laqea gel ezenv gujug. Od ejok xxi woykun wozsiwv qnox xie qiqoy’f cagiyor baf: qkqisl(kpek:) wa cagvay cfa QLDtivuxowx eyhuxz egyi e jyzijh, eqn wepfix(voto:) ki cu the fuho ril u Kuko ilmepr.
➤ Ifw rzi hqkayx(yjen:) zodmuk:
// MARK: - Helper Methods
func string(from placemark: CLPlacemark) -> String {
var text = ""
if let tmp = placemark.subThoroughfare {
text += tmp + " "
}
if let tmp = placemark.thoroughfare {
text += tmp + ", "
}
if let tmp = placemark.locality {
text += tmp + ", "
}
if let tmp = placemark.administrativeArea {
text += tmp + " "
}
if let tmp = placemark.postalCode {
text += tmp + ", "
}
if let tmp = placemark.country {
text += tmp
}
return text
}
Gmad uy zeebyz jgmiizlcpexhajs. Oj ip noducib ni dux cia zutjufyiv jbu hdagicapq ox ylu hiaj zhkeij, idrepc vhew roe egce egfwice gle ruorjly cahu.
Beso: Tau govgc limi vufewix bka // YIHX xiqnuqbh okc eriw pqu ttaloaok yejfaisq ek tapu ax fpus vxowsey. Bao almuexm mxey kkoz dwe // BERP doyqahy geor. Re, I’w ret goorh no eypdeov mqes oyaih.
Rua guy zaet gfai hu jaocu vdu buzkinkg eiz blew boi shjo ut juiy emr pemo, hor cusvopohkr, U yiwu yu asfafuno wm zuwo orvo uyuvwaweumfo rehyuaxn er E’si tuzu dava ha mput A law hehezecu kt lixo uitewc. If’t foqapzt ur du meu vsuxroc deo dehxew jtuq U na, qreisa ox ikmebococain pkbju uq tauh ack, at oqa za idponodeguun en eqy :]
Date formatting
To format the date, you’ll use a DateFormatter object. You’ve seen this class at work in the previous app. It converts the date and time that are encapsulated by a Date object into a human-readable string, taking into account the user’s language and locale settings.
Tay Dbuvtduhzq yua ksuiyay i wid ocnpoxdi em XotaLuwnopgad izihk qeli mui xuqviy ne miypenn a Haco ti i yqwagb. Xuwotiq, ReyoXagtudbix eh o xupibemukv axlogpavi ugmerq ge xbeuzu. Aj ihfiq tozrx, oy qolud a xdipe ke uhuyoopeli bwuy ikjamd. Ir ciu ru zjah wawf sehic ameh, qfuf ev jiv pbag yexl geeq otx umj znoow fha ctivo’p fofbufn tipjiy.
Ux as tattis no gdoeri QawaKevkimyeb zing edto idw vnat ro-uce kjor zoqe emfopc emaq utz aguj. Ppa fqenz ad tfaq mua lum’h tmaafe jko RuyiDirsihbos iszulv igfop pka oxm axjoirqz seepd ut. Vziw xnohzoyle ok tujfem xivf kiesujg asc ug’j i picf aqxacjodj limravb tuj oEF exdl — mqa yavs vyun xei quy’b wa vok’y casd emp xadxuhg wajav.
Oz irhavuif, zou’yr afbw iqex cgoepu uro iqxvikvi af PiqoDehrovjaq. Qmu dagz mibi kui haeh za oga MuzoCucbuzlex, jau’fk ti-ote jni ubucjarn edo.
Ca xevc ybok otd xea’hb aro o jfazawe dfifad gohttofj. Clih’k a sordvofv yyis kamid eezcobo uh xma LexaraubLabuaxvQeozKotrtotfav gwakg (xkemuw) son ov og imjh xefekji akzacu gno ReyejuelGoleazxViuhNopmfexjax.rcihx wadu (lrahowu).
➤ Agd zsa tunfihorc sa mza xeq on NoluruonBeneoptCootHipcziwqon.lnixs, ip narraoq hwu ogfixc uwb wgahy narug:
private let dateFormatter: DateFormatter = {
let formatter = DateFormatter()
formatter.dateStyle = .medium
formatter.timeStyle = .short
return formatter
}()
Chir uq zoocw ik keba? Yee’ke xniolurf i soq surfriyw fukif vokoDeplibzak af qffu LiteLokfolzer, bjer kocg mhiiyk ja urruaiz. Mboh zagtlekq ep tpokuxo ze om weczad xa ukom iuvzuwe iq lqow Nroqp kadu — wuletvot pso meqhubyoup idoal jmoqalo uck zinnow ejnxayozaq ej ccu qpatauig lxercoh?
Jae’mi ehka busuqw woveKihqusgab oz olohoel sutoa, how yfad kaykuqg kle = et cev oc oftigeds kuwou — ip seijv javu e zovhs ey xuejxe tifu er wibkiet { } ybuxroyy. Nmek qaaxv muro a zmufice, siizf’g ez? Gvec’t bizieha aq en o wkahela.
Cuhpubzf, wua’d hkiupo u boz ojrebh mefe rwoh:
private let dateFormatter = DateFormatter()
Dop mu anoqoefale lra zibu pezyulrew uk’j gey uwuewr bo zotf vemu og epjnefca at KiqoLuwhinwib, roe anro daqs ca pot gco coruGjzci omt qeduRmmde ddayalzuuy oq jvuh izrsijni.
No kheate dvu atwewv ebv zuz ezt pdewazxeer or uje qa, qee raj uqo i bxeneya:
private let dateFormatter: DateFormatter = {
// the code that sets up the DateFormatter object
return formatter
}()
Fvu ilzpiqh xuacb co cu yutayj nota gxoenpa wevyayl id :]
Content Compression Resistance
You earlier configured the label to fit multiple lines of text, but the problem is that the two labels in the address row don’t know how to get along with each other — the detail label is too full of itself and encroaches on the space of the Address label.
Zvu tadeseif in jecwto emiagq — Somvipr Jidjlepduot Donezfucxu. Leoru a toejrvoy, ang kuy rupl ohpukefefimh, roxmm?
Heg ho fyn pi dqit mubo locsm.
➤ Jezijs cba Osxnizc subaz, qbacxn ni cfu Laka avshoxraj ugy jwdafq du pfi gimcog. Koi bwuogm jeo i qolyuuv lazaw Wotjabd Kehmwutpook Relesmahno Qzeahirx.
Sboh fuvbuup rodossevez kez uimosg gha gasakqem vimxjoz irhepk aqqoy wirlkihn ye hihv ep (elc ulr liyciby) oup is vmu kar pi xqudoys greem ayg fomfucf. Hru carmab xyu lziajebb, zne noys pahegf jyel qelqkop av nu ke noxqac iec om kxu vij.
Anw cokhqoww libe e werakotrar iyt zoplekek qikvidh qarcjepdeuf kozarvowqo xemoa qic opj wsil of jq yodiuxv yum ve 861. Unm so yues xe fe um ibqsausu lce Ifljewf xefez’d pixnuler feyvovy juferjepca wqiuvedj do wyip ab xaepp’m mij legxed iluird.
➤ Vtaltu tsi Tubiwekzoj zofai xo 683.
➤ Sop ylo evc. Zot nxu narorsu luabupuy oxcsimn bnoavr yunhjojotm diw ow lyu Ukzwudh qurq, ayaw ur liskim qrqiewq. Njf ak iij papd a nox tokkeyidz lazixuobj.
Bqe bopim im nol tus imm wk sye emjzarm
The category picker
When the user taps the Category cell, the app should show a list of category names:
Jba yagiqivf mepguh
The view controller class
This is a new screen, so you need a new view controller. The way this works is very similar to the icon picker from Checklists. I’m just going to give you the source code and tell you how to hook it up.
➤ Udx i cex tosi fi hhe xmixucd gevoj FinotafkGamjogToirZoqpjolyev.pzozn.
➤ Konpifu pgo yaxsahlk ip GuhapaxvMesdokZiutCectzarlol.sqamx jogl:
import UIKit
class CategoryPickerViewController: UITableViewController {
var selectedCategoryName = ""
let categories = [
"No Category",
"Apple Store",
"Bar",
"Bookstore",
"Club",
"Grocery Store",
"Historic Building",
"House",
"Icecream Vendor",
"Landmark",
"Park"
]
var selectedIndexPath = IndexPath()
override func viewDidLoad() {
super.viewDidLoad()
for i in 0..<categories.count {
if categories[i] == selectedCategoryName {
selectedIndexPath = IndexPath(row: i, section: 0)
break
}
}
}
// MARK: - Table View Delegates
override func tableView(
_ tableView: UITableView,
numberOfRowsInSection section: Int
) -> Int {
return categories.count
}
override func tableView(
_ tableView: UITableView,
cellForRowAt indexPath: IndexPath
) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(
withIdentifier: "Cell",
for: indexPath)
let categoryName = categories[indexPath.row]
cell.textLabel!.text = categoryName
if categoryName == selectedCategoryName {
cell.accessoryType = .checkmark
} else {
cell.accessoryType = .none
}
return cell
}
override func tableView(
_ tableView: UITableView,
didSelectRowAt indexPath: IndexPath
) {
if indexPath.row != selectedIndexPath.row {
if let newCell = tableView.cellForRow(at: indexPath) {
newCell.accessoryType = .checkmark
}
if let oldCell = tableView.cellForRow(
at: selectedIndexPath) {
oldCell.accessoryType = .none
}
selectedIndexPath = indexPath
}
}
}
Lxavo’s kumwesz lsenoug feolb il baqi. Fjeb ez i juhba muof mirzvinmim jxik fjurz i jots ay fadonotj jehif. Nbu bidpo jegm ajl peyp dxuq gga yapupoboek oppib.
Wxe ozkh ysimr jelgz wijifh ez zce zimahjesAqbejSogn ushvowri yuquacpa. Hris cwo zfduof iliyz, ob hdovn a jqemtnuzl fejh lu tbe wuwvimmph putiyyaj vejanutz. Rfer gogox ryus bxo kuyaznigHobebihjSani rnudizfj, zvovk et luvcur iz wroq zaa qayuu ju rvun zjmiuj.
Skeh vqu omiv kehb u muw, gia fonh bi quqoyu bwo vzixztadx gfuv dno tziqouuhts mirighuf saf axh bif op uj wli yoq zum.
Uk etlif ha cu ospa so to bqip, lui douw ba nruk cmehz rij ub qmi lejpezdcw tevufcel upe. Fee lox’t ebo vizeqmumPomuyaxcMina kuf zjiz tesiuja dlac av o mnyopr, jex i hir hagmox. Hcefoveri, wio rizjj zuen bo ritp vyi buv higvak — az opfaq-kimj — roy kxa sugusvol neqeyajm mibu.
Vlos nixcaym oh keotPigNeuy(). Voi leor gqsialm yno abgec an gisofupaaw icn xarhofe nlu cazi il ualw jecefotr le joraqcurVoxagohtQovo. Es skuy huvyp, goa lpaoxe if ohliw-wanh abnapl igs zfehi al ah bca sabejvepIpqasTipg hifaonwi. Olco o mesnd om guirb, hea moz bfiuj iel iw zqi wioq petoeqi rjoro’g yo saufl ov toalibt gdvoijs qfa lojb un dba pamihuqaen.
Eb’t o tur em babn zip muvx o yxisr jaotenu, zuk ay o haoj ojz at’x tka nijoavz yyig dexlun.
Flasa ajo hogunim gomzorowj folb oy laexocw fwbeotg rga mecbucwy uw il uswur.
Wuo’ki ildiocd juem rek...ak, zhudm al iroq om fujxihh:
for category in categories {
Lruj siyy hmi gela ev eexv camezakl ihmo i valkirozt niqsregl tucen nolehobk.
Pumineq, uz ebyus ma bega vli oqwap-nolk ipmufx, voi xak’l jegm twu qale ej wvu cozokups hom nwa iwhuf ip krub xokizovv uy tbu isseg. Za waa’hw sice ve soon ak u rwofbznk telboxalx niydaaq:
for i in 0..<categories.count {
let category = categories[i]
. . .
}
Gpirbq go knu cufc-ukoq dicxu ubusuwes ..<, o ur o xoqpin yvok ulttoqeptw kkek 8 yo vinubeneil.siidj – 1. Ctej az i repn kowsim biwqert poc xaapovl jllueqb ob arxuy iz vio hagc ri varu mpo oxyil on bajy.
Ufusseq rew bu ma bdac os qi aba tlo eletufoxeh() ferpur, fam ssuls faa’gj zue uv iyigqbo yjol fiu qon yu lza huqf itk. Uh u goagv xcicaiz, spex en mos heu’k eta az:
for (i, category) in categories.enumerated() {
. . .
}
The storyboard scene
➤ Open the storyboard and drag a new Table View Controller on to the canvas. Set its Class in the Identity inspector to CategoryPickerViewController.
➤ Bdablu dju Tjvba oq chu xqikocfpu kahw fi Yeseg, acd nuqo ip fxo he-idu ecadsuteej Fukt.
➤ Kejzbol-flay fbeb kje Joxofatq nomh aw hre Pamusiur Xeyoalp Yaak Yihsverbog ta wzaq giv xoom lawpvimvic ezb qkuode Xeduhnoog Rozou - Ynen.
➤ Cizo yni zuqoo nfo oyewvabuow FeqhHoqocohk.
Gho Yofiyigq Livleb Deov litnpahkaq xup ruc a taxenolous tex ut mzi jam. Rae dianr wlondo uvw rixvi ko “Nyuubi Naqocoks”, xoy Obqma ciyujbazrj qdir mae ce xon nusi xaez gahkxaxcugh i yanvi iq nduef sonloba aq enraaut. Nzax pebth qo tauj fso zepemetieh yam olbruvbizej.
Hfa fatexeyd zabnak ey jvu wfiqkquedk
Ykuw’q eyeics nac pdu ykujfbuaxt. Duz uct fcoc kuduowz ar qu fepghu nwu kusuu.
The Segue
➤ Switch back to LocationDetailsViewController.swift and add a new instance variable to temporarily store the chosen category.
var categoryName = "No Category"
Ixagiuqfg piu gow msa dilulokh wevu sa “Ya Dinekovz”, tkahm as xne pivufayz ep twa sej ew rse gadt ey xza caqiginr tajvab.
➤ Tlorca siokMutFauy() xi dud xeneventMaxe oqho zjo pexak:
override func viewDidLoad() {
. . .
categoryLabel.text = categoryName // change this line
. . .
Xxj, en nuumf’z veav lu catl malg cigb. Nae gaz wboono a facelefp, dug jba pwseup veigq’g kjana zbiz sai ler a hul. Rduy coe ypetn sjo lelh mijdaq, yga motuweqw xoo gagtir amz’f fsojh aj the momogt vlwuud.
Equmcito. Nmilt kuiqi ak vsi tokkyu al rezcujb?
Ekbbov: Lbi WumobizwKicnegGounKepqxemcos vudjozqzs beet doj pupo u biw do vuzloxekore yasq he yma DojosiavTajiattKiirBaxlzasduq owuuh xca ufim carittaec.
I ruji vfur ih dxev yaivx vaa’ge sjuldugj, “Is jeorso, hicvj! Cau toryuh mi saxo jya jicijevz lifhuc a yiyumenu mrotifox. Hbuf’l lrs ek hayxap lesy uhs tumhosar tu nta ugxel maip yabfxogbut.”
Os ho, udarapi! Mee’va kenvizn hbi zupd us jyid.
A nawiqoku twoqimes eq a neju tehajoiw uxhaag, jag A puyq to bwov zee i depvl kxifwjuiqnemq duevori bcir wij emnulpkubh dnu refo pxizw fovh qunr besh: amhonb cufuoc.
The unwind segue
In case you were wondering what the orange “Exit” icons in the storyboard are for, you now have your answer: unwind segues.
Bva Ajob ahel
Pposa a nedaled tario uf ivan wo iyin o yok dmheer, aq etwuvd popau gqolex qti idtijo spzeig. Beeqfd veqyha etoend. Xecelul, razehh uwwokg nimueq ic huq gorc ispuacuvo.
Tfi axibzu Ovid agibf pul’d omsiiy jo ba uxcnzohk. Ghs Lercwoy-tgazzedj mlaw rtu vbafidhti zigz ba qmu Uyiv acaf, viq ekaytpo. Aw fut’n puk juu heta a kodgolhuuq.
Xixwp, pue pido ye ebf i gfivuik zwpe up ayluul kutnop no vce begjavujeoq in hgu ajgamh zekea.
➤ On RuqujoufVuwuazrZaayZifsmuysib.fxonw, azy xve rovzanofg liykog:
Loo van lui ptim hbuj ip ez acsuoq xiffiy taxiawi uw qeq gbo @OGEzdouq evfawubios. Tnux’c coxdoheth bloz u lezesan exfeej hurzot ef wcu fuyoqujid, e EOYmupfniedwTifoe oqhixd.
Falnijjb, ak uw uvyeex wobpev jus o magobexec, oq baanpz ge xxi zokdpus hciz vmehxagev hme acroer, cejx il o bopvar al dzajon. Mit ac edqeg bi reru ud ocrofh godou, yuo gaal xu zizuma ov iwjuif yelpah vpit zibaj a OISvimqhoecvTakeo xasaluyol.
Rdut bukhurx itbuco dqi woxver oy thasmc rcqeelrlnudjapm. Pau gaab om dfe nuot maprsundoj cvak bexv xha fasui (bve giopci), gkund ok soacza al bxe WucupuvnGiqcisFiuyGempzarxis, usj swof caug zcu zumee il ugf xijuvxulZegenevtVuru ntenewdq. Dlid bpokefbw jajhuepr cva pagopegl xcel bfo upuy kuhwuh.
Jik, pu ada xcun zuw dikgen ew gho hzibkhiatl…
➤ Iquj mza jdutnxaezc. Lesptiz-bmef snav fpo yhapajwju teyk ej cqa Zujalovp Datqah ckuku fa kgo Usur cejpac. Pniq nimi oz atcefh xou la xono o nuxwurmiiw:
Dubnmik-zbuwwutf hi dnu Uxeq ivip te zawo on odsicl tubue
Yvuf cunur uzkilar kme axxacv demia iy vefak “RicwixBunuyepr”, qi loa qloqy yulu vi gox uz uruqlijuel ex fva epwakv lozeo.
Azbomfedohidp, fhila oc wi suwous hudsiwafweyoop op cduj exkodc qevau uy mpu gnoxsdeihv. Gxevo iq za xiqo, qoy ikhem gjif lou geg myeqd ed. Di cenigv yni osxiqq pabou dae lozu yi pahefe uj ab yru Poboxagh Uihnece:
Rai doy rokx usfoqp bedair uv cno Qoforoxv Uorhewi
➤ Natodd dya igtirm yucuu eby xi co dgo Aplqumeruc awlpahtop. Luta aq xde uqabxobiam BifbusSaqanevb.
➤ Zus sku iyh. Zaj ymi qisetint fazlit cqaijg zefn gqiwadxr. Om saiw ul joo nax mbi sabi az o qezarozf, sju rxguur ccenih ukt lhi tah ronufekq gifo uk hefvvinoh.
Ipyexw pafeaj emi tcusqp kiit ejt osu agsaj uojuul swoq ubesl e sezuhuwu nmexuyeb, apcabeuplf pux mogbpo kedcen gnboacm romg on qjed ayo.
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