资源描述：
《Android应用开发参考资料.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、PhilosophyandGoalsAndroidisanopen-sourcesoftwarestackformobilephonesandotherdevices.OriginandGoalAndroidwasoriginatedbyagroupofcompaniesknownastheOpenHandsetAlliance,ledbyGoogle.Today,manycompanies--bothoriginalmembersoftheOHAandothers--haveinvestedheavilyinAndroid,typ
2、icallyintheformofallocatingsignificantengineeringresourcestoimproveAndroidandbringAndroiddevicestoMarket.WecreatedAndroidinresponsetoourownexperienceslaunchingmobileapps.Wewantedtomakesurethattherewouldalwaysbeanopenplatformavailableforcarriers,OEMs,anddeveloperstouset
3、omaketheirinnovativeideasareality.Wewantedtomakesurethattherewasnocentralpointoffailure,whereoneindustryplayercouldrestrictorcontroltheinnovationsofanyother.Thesolutionwechosewasanopenandopen-sourceplatform.ThegoaloftheAndroidOpenSourceProjectistocreateasuccessfulreal-
4、worldproductthatimprovesthemobileexperienceforendusers.GovernancePhilosophyThecompaniesthathaveinvestedinAndroidhavedonesoonitsmerits,becausewebelievethatanopenplatformisnecessary.Androidisintentionallyandexplicitlyanopen-source--asopposedtofreesoftware--effort:agroupo
5、forganizationswithsharedneedshaspooledresourcestocollaborateonasingleimplementationofasharedproduct.TheAndroidphilosophyispragmatic,firstandforemost.Theobjectiveisasharedproductthateachcontributorcantailorandcustomize.Uncontrolledcustomizationcan,ofcourse,leadtoincompa
6、tibleimplementations.Topreventthis,theAOSPalsomaintainstheAndroidCompatibilityProgram,whichspellsoutwhatitmeanstobe"Androidcompatible",andwhatisrequiredofdevicebuilderstoachievethatstatus.Anyonecan(andwill!)usetheAndroidsourcecodeforanypurpose,andwewelcomeallsuchuses.H
7、owever,inordertotakepartinthesharedecosystemofapplicationsthatwearebuildingaroundAndroid,devicebuildersmustparticipateintheCompatibilityProgram.ThoughAndroidconsistsofmultiplesub-projects,thisisstrictlyaproject-managementtechnique.WeviewandmanageAndroidasasingle,holist
8、icsoftwareproduct,nota"distribution",specification,orcollectionofreplaceableparts.OurintentisthatdevicebuildersportAn
