英文对android系统的介绍课件.ppt

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1、Whatisthis?WelcomeToGoogleAndroidWorldTheoriginalmeaningofthetermreferstoAndroidis---“robot”,inNovember5,2007announcedbyGoogleopensourceLinux-basedmobilephoneassociation,namedtheirnewoperatingsystemAndroid.Androidhasbeenfouryearsold.Googlepurchasedandroidcompany

2、in2005whohasjustsetupin22months.InNovember5,2007,Google‘s34companies,announcedOpenHandsetAlliance(开源联盟)wouldsupportAndroidandtheirproduct.ABriefHistoryoftheKingdomandroidThisisapanorama（全景图）androidKingdomAndroid的应用层基于linux系统的内核各种库常见的WIFI蓝牙内存卡应用框架Applications(应用层

3、):WrittenlanguageisjavaAndroidapplicationframework（框架）fordevelopers（开发人员）toprovideservices.ProgramLibrary(库)AndroidcontainssomeC/C++librariesthatcanbeusedinAndroidsystem.AndroidRuntimeLibrary(android运行库):JAVAprogramminglanguageprovidesmostofthefeaturesofthecore（

4、核心的）libraryLinuxkernel（内核）Googlerecentlyreleased(公布)anandroidoperatingsystem,isspecificallydevelopedforflatPC（平板电脑）.Ifyouareintersetedinit,youcanhaveatry.ThisistheandroidoperatingsystemandApplecompetitioninthemarketAndroidVSIphoneInNovember2010,theU.S.smartphone

5、(智能手机)market,theBlackBerry（黑莓）makerRIM‘smarketsharecontinuedtoholdthefirstplace,upto35.8%.Apple’ssecondlargestmarketshared24.6%.GoogleAndroidsystem,anincreaseintheshareof6.5%，upto23.5%.SomemobilephoneandroidSoftwareAndriodsometimesmeanos(开源opensource)，becauseitp

6、rovidedevelopersanopenenvironmenttoprogram（编程）tosupportAndriodapplication.Soyoucanseepicturesaboveinsomeplace.andthisiswhyandriodcanstruggleagainstIphone’siossystemwhensymbian(塞班）hadalreadycomedown.开源标志Linux开源标志ThankYou!