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1、ESEP2011:9-10December2011,SingaporeAnAnalysisandComparisonofOpenandClosedMobilePlatformsAndroidvs.iPhoneYingluZOUa,∗,HaoWUb,JianxinHUANGa,baInformationEngineeringCollege,7JianXueRoad,JinShuiDistrict,ZhengZhou,450001,ChinaAbstractWiththereleaseofAndroid2.2FroyoandiPhone4,thew
2、arbetweenopenandclosedmobileplatformstendstobefiercer.Beingtherepresentativesofthetwoparties,FroyoandiOS4arequitedifferentatsystemframework,newfeature,applicationmarketandintegrationmodel.AccordingtothecompanyspiritsofGoogleandApple,wedosomeanalysesandcomparisonsoftheabovepo
3、ints,explainthedifferencesofAndroidandiPhonefromtheshallowertothedeeper,thenconcludethecharacteristicsofopenandclosedmobileplatforms,aimingatprovidinganobjectivereferenceforresearchersofmobileplatforms,helpingthemseeclearerintomobileindustry.Asaresult,bothFroyoandiOS4havethe
4、iradvantagesanddisadvantages,stilltheyarefarfrombeingperfect,there’sroomforfurtherimprovement.Keywords:Android；iPhone；Froyo；iOS4；smartphone；mobileplatform1.IntroductionInrecentyears,thepopularityofsmartphonekeptgoingup.Moreandmoresmartphonesaresoldandalotofpeopleareembracing
5、them.Smartphonesbroughtgreatconveniencetousers,aswellcreatedopportunitiesforsmartphoneresearchers.That’stosay,thewidespreadofsmartphonesbenefitedbothsides.Atthesametime,developingofsmartphoneOSbecomesoneofthesmartestindustry.TobeasmartphoneOS,thesystemshould:1.Provideservice
6、slikeaPC.2.WorkwithaGPUforbettervisualeffects.3.AllowtheusertosurfonInternetfreely.Andapparently,there’realsosomeweaknesses:1.Limitedbattery.2.PoorCPUperformanceagainstPCCPU.3.Smallstorage.4.TheuseofRAMmayleadstolossofdatawhenthephonerunsoutofbatteryNowthe2giantsofsmartphone
7、OSareAndroidandiPhoneOS.Ononeside,AndroidisbasedonLinuxkernelandDalvikvirtualmachine,anditisopensourced.TheupperlayerofAndroidisJavabased,allowingdeveloperstodevelopAndroidapplicationswithGoogleSDKandselltheirsoftwareinAndroidMarket.Onthe16otherside,iPhoneOS,whichbasesonUnix
8、kernelandDarwinmodelbutisclosedsourced,evolvesfromMacOSXandisthedefaultOSof
