Android SDK 安装方法官网原文.docx

Android SDK 安装方法官网原文.docx

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AndroidSDK安装方法官网原文

InstallingtheSDK

Inthisdocument

1.1.PreparingYourDevelopmentComputer

2.2.DownloadingtheSDKStarterPackage

3.3.InstallingtheADTPluginforEclipse

4.4.AddingPlatformsandOtherComponents

1.AvailableComponents

2.RecommendedComponents

5.5.ExploringtheSDK（Optional）

6.NextSteps

7.Troubleshooting

Seealso

1.ADTPluginforEclipse

2.AddingSDKComponents

ThispagedescribeshowtoinstalltheAndroidSDKandsetupyourdevelopmentenvironmentforthefirsttime.

Ifyouencounteranyproblemsduringinstallation,seetheTroubleshootingsectionatthebottomofthispage.

Updating?

IfyoualreadyhaveanAndroidSDK,usetheAndroidSDKandAVDManagertooltoinstallupdatedtoolsandnewAndroidplatformsintoyourexistingenvironment.Forinformationabouthowtodothat,seeAddingSDKComponents

Step1.PreparingYourDevelopmentComputer

BeforegettingstartedwiththeAndroidSDK,takeamomenttoconfirmthatyourdevelopmentcomputermeetstheSystemRequirements.Inparticular,youmightneedtoinstalltheJDK,ifyoudon'thaveitalready.

IfyouwillbedevelopinginEclipsewiththeAndroidDevelopmentTools（ADT）Plugin—therecommendedpathifyouarenewtoAndroid—makesurethatyouhaveasuitableversionofEclipseinstalledonyourcomputer（3.4ornewerisrecommended）.IfyouneedtoinstallEclipse,youcandownloaditfromthislocation:

http:

//www.eclipse.org/downloads/

ForEclipse3.5ornewer,the"EclipseClassic"versionisrecommended.Otherwise,aJavaorRCPversionofEclipseisrecommended.

Step2.DownloadingtheSDKStarterPackage

TheSDKstarterpackageisnotafulldevelopmentenvironment—itincludesonlythecoreSDKTools,whichyoucanusetodownloadtherestoftheSDKcomponents（suchasthelatestAndroidplatform）.

Ifyouhaven'talready,getthelatestversionoftheSDKstarterpackagefromtheSDKdownloadpage.

Ifyoudownloadeda.zipor.tgzpackage（insteadoftheSDKinstaller）,unpackittoasafelocationonyourmachine.Bydefault,theSDKfilesareunpackedintoadirectorynamedandroid-sdk-.

IfyoudownloadedtheWindowsinstaller（.exefile）,runitnowanditwillcheckwhethertheproperJavaSEDevelopmentKit（JDK）isinstalled（installingit,ifnecessary）,theninstalltheSDKToolsintoadefaultlocation（whichyoucanmodify）.

MakeanoteofthenameandlocationoftheSDKdirectoryonyoursystem—youwillneedtorefertotheSDKdirectorylater,whensettinguptheADTpluginandwhenusingtheSDKtoolsfromcommandline.

Step3.InstallingtheADTPluginforEclipse

AndroidoffersacustompluginfortheEclipseIDE,calledAndroidDevelopmentTools（ADT）,thatisdesignedtogiveyouapowerful,integratedenvironmentinwhichtobuildAndroidapplications.ItextendsthecapabilitesofEclipsetoletyouquicklysetupnewAndroidprojects,createanapplicationUI,debugyourapplicationsusingtheAndroidSDKtools,andevenexportsigned（orunsigned）APKsinordertodistributeyourapplication.Ingeneral,developinginEclipsewithADTisahighlyrecommendedapproachandisthefastestwaytogetstartedwithAndroid.

Ifyou'dliketouseADTfordevelopingAndroidapplications,installitnow.ReadInstallingtheADTPluginforstep-by-stepinstallationinstructions,thenreturnheretocontinuethelaststepinsettingupyourAndroidSDK.

IfyouprefertoworkinadifferentIDE,youdonotneedtoinstallEclipseorADT,instead,youcandirectlyusetheSDKtoolstobuildanddebugyourapplication.ThedeveloperguidehasmoreinformationaboutDevelopinginOtherIDEs.

Step4.AddingPlatformsandOtherComponents

ThelaststepinsettingupyourSDKisusingtheAndroidSDKandAVDManager（atoolincludedintheSDKstarterpackage）todownloadessentialSDKcomponentsintoyourdevelopmentenvironment.

TheSDKusesamodularstructurethatseparatesthemajorpartsoftheSDK—Androidplatformversions,add-ons,tools,samples,anddocumentation—intoasetofseparatelyinstallablecomponents.TheSDKstarterpackage,whichyou'vealreadydownloaded,includesonlyasinglecomponent:

thelatestversionoftheSDKTools.TodevelopanAndroidapplication,youalsoneedtodownloadatleastoneAndroidplatformandtheSDKPlatform-tools（toolsthatthelatestplatformdependupon）.However,downloadingadditionalcomponentsishighlyrecommended.

IfyouusedtheWindowsinstaller,whenyoucompletetheinstallationwizard,itwilllaunchtheAndroidSDKandAVDManagerwithadefaultsetofplatformsandothercomponentsselectedforyoutoinstall.SimplyclickInstalltoaccepttherecommendedsetofcomponentsandinstallthem.YoucanthenskiptoStep5,butwerecommendyoufirstreadthesectionabouttheAvailableComponentstobetterunderstandthecomponentsavailablefromtheAndroidS