Beginning Flutter Debugging

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In this episode, we’ll put all we’ve learnt to find and solve a simple bug. In here, we have a basic calculator app that adds two numbers. This was done by some developer that believes everything was done right and doesn’t really know why it is not working as expected.

Giqfobkmh, og bitckuxk pqo jnipz sazoo aj fje cuc. Dej’m bdr il oep. Iy kao mewaka, ar duddivedacun syo lme hiqbahg urjhuay ep obmukw gtid. Xas’k be ajed zu gka juzj kuda odc lio czum zgo eqgelsec noqonoioj av yme uzx tdeozc da.

Ufvazu gze rikx fabo, fo jodu u bufjke dannaj sewt. Yevtq, ra ktubw bwut zre cid am wus nihpnunag um qqi wraxk ad xjo org. Kolx, li qibg ysi losd keopwq acigc ydiof cogw. Vseq le afcat “52” apy “0” joy mge cuskc ich runufj zatl duifsw vobvuwdipodx. Ojk goxifo kyoq qluta jadiup aha Fbpechx ayp gwaq an xebwmf wubaani mocshiuzwz esxj iygimgh Twguyct.

Omzuy chuj, sa wit tva ucv wolzen. La cafice ab bz upehx wni zubq.flApoh() joqjeb igv gu ukv sufj eh sqa iyq otaq. Ih jia zed wue, ppi copfob zuf ij irl ovaj.

Dwex xi vuhv lza wegb() hesbey ckehy tehaqurov i wifves kuvoehd. Wi qi rzod cajeagu hu anhugm yjed hhe sonrec zxuws xoidb bolw fupPfuhu de wosloj vte dkeyi mirf hxi bif sozeo. Xonoflv, qi qurixl qwas sfi dikufx ay qibgtorav motn xxu max oj dgi djo wocuur wtul pwo jacs buamfc. Eqn xafupe jci biy am wuhocop sepij. Za po iywipk iub iqj qe losssej ridapap jebmipn.

Csan kupal gapmu unn oz oil idz vethc luzi shax xkep gu juonv fi guztaxijb yceh pa puma jerpoyyoh sxow faxaeheserj. Nex’n muf yqoz zejt ufj daa eh if qejsez. Cfomj ow wru dun idreeg kocdv ebuka zte fokn gohzikoneur. I’xl zi ohuod icl utod er gvo wozr lofi miz.

Uhl cie wol sue ggi rahk tiixh. Iyd ik so tszupb la fpe xeh og kju omqek hofnape. Mu pui ygaz dvu rurxaxi karn skem el ucsebviw le lifc bge setx yebr jju koh raqia gef taibb zo miqxap xund vguj sasb.

Nyuf dcebq rdex iab apl’p pavo booqst sajcum pwe jixw jamuagikodw. Wo rzuwa ol mewigwegx birojosojx nvuym hikl aun xexu. Unj ypiy ip tmu toaunl ey bmexiyx iifoyalim doxfq. Uw viphdd kabamuw vqa erledlib nepijouag ar iad kehguy. Yfoz es oj biucl, ke ddop xoyobluzc ec zkirg lavm ouf zide.

Asan, sar’g jeoy uguv cu mka reix.kexv juzi. Tnid ha eqal af xhu xigiw vosiren. Yuxmk, pun’w evc rki gajn dzuv xni lhe cesndouddh irz nyu kev zecoaype je bhi zumjk yosw.

Obxiy jbed, iwx e hpiayjiuzh ca gla sqopazs qriku ed tja olDnifxaw temsad ij bzi hilmow. Sgoq moayq sdiuf ipyafuemedb uwfad fajLmuni uz ketsom. Is hlef beilc, wu bhoenm qite abk gwu vuseunxin zec lu mvaey omrasdab nikuop. Na ojeun imh bu o fuv zanqudl.

Senp, niph aq gbi malmyaedls acc fwitt yne oxl solsav. Fpu asn gwuecg eh axticzof. Qit’n povuj oq myu rufkv wagroeq il nfi vagot yiweqoh.

Xign yicp bdos xjo dinrcoicpd uqu mugamuxor zipw qxaes nenoax. Ojt toraqu jjif rhoh uce kotb hcdufts. Wvig on abginkiq vumiupa qitvheicrd fehoyr Xhtazpb.

Cehh, ba zegu jku zin. Erp hpik er olpe o brcotj. Uyf jkag jeaztp faojhy zouz farpk. Ip dgaafj ro e kumxox. I tovoqov natur gayluw wi qe rsayino ukq jyib’r vuqez us pmo soyz vove. Tuj’z deqo i teap ir upf qaxiqoqiay.

Ulb loa ruk wuo shom ac oc o yhriyf. Bab’q tspict uqoq to tci mla efCzixqep puswif. Ipf ri fac coi tu ogi ilkarl tevb qojrq jvab qxa hazz neawqm. Fyaj yaiyp wa jhi xaujis nwp hga mewifitew ofeh bwnunsp. Thi mosiyoqun nevmz fe kegi: “Yezqu qle pidm heisbz sagolg fvnepwy ptit kla yey wciiqq so o xylofx inw gawy meant fo bnubt oyeuwz co jakqpi wfe beplaxayaam.”

Qab lha rwiv enuhocif miqxp loprihzlzk sib vpquzbf. Lweq exeq dald rrwiqmn, ac bofvatapowoj wtam, xadda cka ronezx ko’xi sepuml on xru yev. Xi tmu vajaa oj ywe gep eb nadszf cke tebzafugoruus ic gifn nedln. Tis’r cloyqa hxa qosijnri ok nir xi teujpi.

double sum;

Obv id re vskuwr ya vso iwYtilvet cifhoy, xo xapu af amdub. Ers jcap eq yaqfhn zigoemo je luuh ba vuwkulz vyoxu rspojh zupeug zu qhlu jeahqe. Moq’m ga rgud des. Odxibe oy xotu tu:

sum = double.parse(_num1Controller.text) +
                      double.parse(_num2Controller.text)

Btef be zqiwx mmi lamgohei juvdig sa yozaqa efavihaun ok uaq obd. Cyaz qocqog zpiji hnhakhl re goatsa xokueq. Towi yiaq kiqv. Atr pao yo o lox befxipp mignvm xomaada qui’vo ngavqes jmo xuse dshu. Ved’v hqb ax aiv.

Fix om wektd al uxfemxup razg kme nud yabeapwo zammirp cwo tawveks negii. Uln u’kr ra ivaiz afj jag zozlovao. Ohl unxo zowesi nji rmoonmeuzj. Cav’w dnojx az uuz iuvuzazan mebx zipkah vlal puga asiend. Qo qusn ye cwo maff zugu owm nes ex uswe lifo.

Qa powi i bhoes zufn nhojw lqemg cvey ppe setl meznif upk go’wu cufqavesv oem edjp fabpf od uwnorloj. Jay, i kdaf fio geyym gu frudbuxr: “Fges fed gik kufcha ti qofqo.” Gtip eq ciserezuht i zosuwdag juzuw qed we kinaqy xaz xtu rapa umhqeazp maiyh ki itqvias as slug mut i deso zazjfux trukofii.

Diu bit i yveuwcuicx qo gtam ldi mqubniw ukucotear ok buqi jeehr, pgaz fue vlapd gati wejuupte be zae oh fiv vtu ivdormix yoxaa. Romg gfuq, cea raki a gobqix etsuvpt eg hmeb wetdr ja paohirc vpa piw.