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1、ESEP2011:9-10December2011,SingaporeAnAnalysisandComparisonofOpenandClosedMobilePlatformsAndroidvs.iPhoneYingluZOUa,∗,HaoWUb,JianxinHUANGa,baInformationEngineeringCollege,7JianXueRoad,JinShuiDistrict,ZhengZhou,450001,ChinaAbstractWiththereleaseofAndroid2.2FroyoandiPhone4,thewarbetw
2、eenopenandclosedmobileplatformstendstobefiercer.Beingtherepresentativesofthetwoparties,FroyoandiOS4arequitedifferentatsystemframework,newfeature,applicationmarketandintegrationmodel.AccordingtothecompanyspiritsofGoogleandApple,wedosomeanalysesandcomparisonsoftheabovepoints,explain
3、thedifferencesofAndroidandiPhonefromtheshallowertothedeeper,thenconcludethecharacteristicsofopenandclosedmobileplatforms,aimingatprovidinganobjectivereferenceforresearchersofmobileplatforms,helpingthemseeclearerintomobileindustry.Asaresult,bothFroyoandiOS4havetheiradvantagesanddis
4、advantages,stilltheyarefarfrombeingperfect,there’sroomforfurtherimprovement.Keywords:Android；iPhone；Froyo；iOS4；smartphone；mobileplatform1.IntroductionInrecentyears,thepopularityofsmartphonekeptgoingup.Moreandmoresmartphonesaresoldandalotofpeopleareembracingthem.Smartphonesbroughtg
5、reatconveniencetousers,aswellcreatedopportunitiesforsmartphoneresearchers.That’stosay,thewidespreadofsmartphonesbenefitedbothsides.Atthesametime,developingofsmartphoneOSbecomesoneofthesmartestindustry.TobeasmartphoneOS,thesystemshould:1.ProvideserviceslikeaPC.2.WorkwithaGPUforbett
6、ervisualeffects.3.AllowtheusertosurfonInternetfreely.Andapparently,there’realsosomeweaknesses:1.Limitedbattery.2.PoorCPUperformanceagainstPCCPU.3.Smallstorage.4.TheuseofRAMmayleadstolossofdatawhenthephonerunsoutofbatteryNowthe2giantsofsmartphoneOSareAndroidandiPhoneOS.Ononeside,An
7、droidisbasedonLinuxkernelandDalvikvirtualmachine,anditisopensourced.TheupperlayerofAndroidisJavabased,allowingdeveloperstodevelopAndroidapplicationswithGoogleSDKandselltheirsoftwareinAndroidMarket.Onthe19otherside,iPhoneOS,whichbasesonUnixkernelandDarwinmodelbutisclosedsourced,evo
8、lvesfromMacOSXandisthedefaultOSof
