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1、河北大学21012届本科毕业生外文文献翻译ESEP2011:9-10December2011,SingaporeAnAnalysisandComparisonofOpenandClosedMobilePlatformsAndroidvs.iPhoneYingluZOUa,∗,HaoWUb,JianxinHUANGa,baInformationEngineeringCollege,7JianXueRoad,JinShuiDistrict,ZhengZhou,450001,ChinaAbstractWiththereleaseofAndroid2.2Froyoa
2、ndiPhone4,thewarbetweenopenandclosedmobileplatformstendstobefiercer.Beingtherepresentativesofthetwoparties,FroyoandiOS4arequitedifferentatsystemframework,newfeature,applicationmarketandintegrationmodel.AccordingtothecompanyspiritsofGoogleandApple,wedosomeanalysesandcomparisonsofthe
3、abovepoints,explainthedifferencesofAndroidandiPhonefromtheshallowertothedeeper,thenconcludethecharacteristicsofopenandclosedmobileplatforms,aimingatprovidinganobjectivereferenceforresearchersofmobileplatforms,helpingthemseeclearerintomobileindustry.Asaresult,bothFroyoandiOS4havethe
4、iradvantagesanddisadvantages,stilltheyarefarfrombeingperfect,there’sroomforfurtherimprovement.Keywords:Android;iPhone;Froyo;iOS4;smartphone;mobileplatform1.IntroductionInrecentyears,thepopularityofsmartphonekeptgoingup.Moreandmoresmartphonesaresoldandalotofpeopleareembracingthem.Sm
5、artphonesbroughtgreatconveniencetousers,aswellcreatedopportunitiesforsmartphoneresearchers.That’stosay,thewidespreadofsmartphonesbenefitedbothsides.Atthesametime,developingofsmartphoneOSbecomesoneofthesmartestindustry.TobeasmartphoneOS,thesystemshould:1.ProvideserviceslikeaPC.2.Wor
6、kwithaGPUforbettervisualeffects.3.AllowtheusertosurfonInternetfreely.Andapparently,there’realsosomeweaknesses:1.Limitedbattery.2.PoorCPUperformanceagainstPCCPU.3.Smallstorage.4.TheuseofRAMmayleadstolossofdatawhenthephonerunsoutofbatteryNowthe2giantsofsmartphoneOSareAndroidandiPhone
7、OS.Ononeside,AndroidisbasedonLinuxkernelandDalvikvirtualmachine,andit18河北大学21012届本科毕业生外文文献翻译isopensourced.TheupperlayerofAndroidisJavabased,allowingdeveloperstodevelopAndroidapplicationswithGoogleSDKandselltheirsoftwareinAndroidMarket.Ontheotherside,iPhoneOS,whichbasesonUnixkernela
8、ndDarwinmodelbutisclosedso