Assignment 4

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1、STANFORDCS193PIOSAPPLICATIONDEVELOPMENT!!FALL2010AssignmentIV:UniversalCalculatorObjectiveThegoalofthisassignmentistomakeyourCalculatorworkonboththeiPadandiPhone(andiPodTouch)platforms.Youwillbuildasingleapplicationthatworksonbothusingconditionalcodeinsideyourapplica

2、tion.Yourapplicationwillbeenhancedtohandletouchgesturesandpreserveitsstateacrosslaunchesaswell.BesuretocheckouttheHintssectionbelow!Also,checkoutthelatestadditionstotheEvaluationsectiontomakesureyouunderstandwhatyouaregoingtobeevaluatedonwiththis(andfuture)assignment

3、s.Materials•Ifyousuccessfullyaccomplishedlastweek’sassignment,thenyouhaveallthematerialsyouneedforthisweek’s.Itisstronglyrecommendedthatyoumakeacopyoflastweek’sassignmentbeforeyoustartmodifyingitforthisweek’s.PAGE1OF7!!ASSIGNMENTIV:UNIVERSALCALCULATORSTANFORDCS193PIO

4、SAPPLICATIONDEVELOPMENT!!FALL2010RequiredTasks1.YourCalculatorapplicationmustworkproperlyonboththeiPadandiPhone,usingappropriateuser-interfaceidiomsoneach.YoursubmittedapplicationwillbebuiltusingtheiOS4SDKandthentestedagainstboththe3.2iPadSimulatorandtheiOS4iPhoneSim

5、ulator.2.Specifically,ontheiPad,insteadofhavingacalculatorinanavigationcontrollerwhichpushesthegraphon-screenwhentheGraphbuttonispressed,asplitviewshouldbeusedinstead.InlandscapemodeyourUIshouldappearwithyourgraphontherightandthecalculatorontheleft,andinportraitmode,t

6、hegraphshouldfillthescreenandthereshouldbeabarbuttonwhichbringsupapopoverofthecalculator.Thecalculator’sGraphbuttonshouldstillupdatethegraph,nomatterwherethegraphisintheUI.3.Removethezoominandzoomoutbuttonsand,instead,modifyyourapplicationtorecognizethefollowing3gestu

7、resinyourcustomgraphview:a.Itmusttranslateit’soriginwhentheuserpansaroundwithasingletouch.b.Itmustzoominandoutwhentheuserpinchesinandout.c.Whentheuserdouble-tapsonyourgraphview,itshouldmovethegraph’soriginbacktothecenteroftheview.4.Donotusea.xibfilefortheuser-interfac

8、eofyourgraphviewcontrolleranymore.5.Wheneveryourcalculatorappearsinapopover,thepopovershouldbesizedappropriatelytofitthecalculator.6