iOS人机交互规范(8)

iOS人机交互规范,为iPhone,iPad开发人员提供设计规范

Introduction

AtaGlance

GreatiOSAppsEmbracethePlatformandHIDesignPrinciples

PeopleappreciateiOSappsthatfeelasthoughtheyweredesignedexpresslyforthedevice.Forexample,whenanappfitswellonthedevicescreenandrespondstothegesturesthatpeopleknow,itprovidesmuchoftheexperiencepeoplearelookingfor.And,althoughpeoplemightnotbeawareofhumaninterfacedesignprinciples,suchasdirectmanipulationorconsistency,theycantellwhenappsfollowthemandwhentheydon’t.AsyoubegindesigninganiOSapp,besuretounderstandwhatmakesiOS-baseddevicesunique,andlearnhowtoincorporateHIdesignprinciplessothatyoucandeliverauserexperiencepeoplewillappreciate.

Relevant Chapters “PlatformCharacteristics” (page 10)and“HumanInterfacePrinciples” (page

17)

GreatAppDesignBeginswithSomeClearDefinitions

Whenyou’restartingwithanideaforanapp,it’scrucialtodecidepreciselywhichfeaturesyouintendtodeliver,andtowhom.Afteryou’vedeterminedthis,youneedtomakesureyoutailorthelookandfeelofyourapptothedeviceitrunsonandtothetaskitenables.

Ifyou’rebringingexistingsoftwaretoiOS,youfacemanyofthesamechallenges.AsyouredesignyourexistingsoftwareforiOS,itcanhelptolearnaboutsomeofthedesigndecisionsthatinformedothersuccessfulinterdevicetransitions,suchasthoseforMailandKeynote.

Relevant Chapters “AppDesignStrategies” (page 20)and“CaseStudies:TransitioningtoiOS” (page

28)

AGreatUserExperienceIsRootedinYourAttentiontoDetail

It’sessentialtokeeptheuserexperienceuppermostinyourmindasyoudesigneveryaspectofyourapp,fromthewayyouenableatask,tothewayyourappstartsandstops,tothewayyouuseabutton.Discovertheguidelinesthatinfluencethelookandbehaviorofyourapp,inmattersbothgeneralandspecific.