安卓所有包描述-全翻译

PackageIndex-AndroidSDKThesearetheAndroidAPIs.Seeall

APIclasses.androidContainsresourceclassesusedbyapplicationsincludedintheplatformanddefinesapplicationpermissionsforsystemfeatures.包含平台内置类和定义系统功能的应用权限android.accessibilityserviceTheclassesinthispackageareusedfordevelopmentofaccessibilityservicethatprovidealternativeoraugmentedfeedbacktotheuser.这个包中的类是用于开发的可访问性服务，提供替代或增强反馈给用户android.accountsandroid.animationTheseclassesprovidefunctionalityforthepropertyanimationsystem,whichallowsyoutoanimateobjectpropertiesofanytype.

int,

float,andhexadecimalcolorvaluesaresupportedbydefault.Youcananimateanyothertypebytellingthesystemhowtocalculatethevaluesforthatgiventypewithacustom

TypeEvaluator.Formoreinformation,seethe

Animation

guide.这些类为属性动画系统提供功能，它允许您对任何类型的对象属性进行动画绘制。int，float，和十六进制的颜色值是默认支持的。你可以通过告诉系统怎样计算所给定的TypeEvalor类型值进行任何类型的动画绘制。更多信息，见动画指南android.annotationandroid.appContainshigh-levelclassesencapsulatingtheoverallAndroidapplicationmodel.包含了高层类，这些类封装了所有的安装程序模型。android.app.adminProvidesdeviceadministrationfeaturesatthesystemlevel,allowingyoutocreatesecurity-awareapplicationsthatareusefulinenterprisesettings,inwhichITprofessionalsrequirerichcontroloveremployeedevices.在系统层提供了管理设备功能，允许你创建安全意识的程序，这对企业的设置是有用的，这样IT专业人员可以更多的管理职工的设备。Formoreinformation,seethe

DeviceAdministration

guide.android.app.assistandroid.app.backupContainsthebackupandrestorefunctionalityavailabletoapplications.IfauserwipesthedataontheirdeviceorupgradestoanewAndroid-powereddevice,allapplicationsthathaveenabledbackupcanrestoretheuser'spreviousdatawhentheapplicationisreinstalled.包含可供应用程序备份和恢复的功能。如果一个用户要在他们的设备擦除数据或者升级到一个新的基于安卓的设备时，当程序重新安装时所有的应用程序都可以备份恢复用户的先前数据。Formoreinformation,seethe

DataBackup

guide.android.app.jobandroid.app.usageandroid.appwidgetContainsthecomponentsnecessarytocreate"appwidgets",whichuserscanembedinotherapplications(suchasthehomescreen)toquicklyaccessapplicationdataandserviceswithoutlaunchinganewactivity.包含创建“应用程序部件”所必需的组件，用户可以在其他应用程序（如主屏幕）中嵌入到快速访问应用程序数据和服务，而不需要启动新的活动。Formoreinformation,seethe

AppWidgets

guide.android.bluetoothProvidesclassesthatmanageBluetoothfunctionality,suchasscanningfordevices,connectingwithdevices,andmanagingdatatransferbetweendevices.TheBluetoothAPIsupportsboth"ClassicBluetooth"andBluetoothLowEnergy.FormoreinformationaboutClassicBluetooth,seethe

Bluetooth

guide.FormoreinformationaboutBluetoothLowEnergy,seethe

BluetoothLowEnergy

(BLE)guide.提供管理蓝牙功能的类，例如扫描设备、连接设备和管理设备之间的数据传输。蓝牙接口支持“经典的蓝牙”和蓝牙低能量。android.bluetooth.leandroid.contentContainsclassesforaccessingandpublishingdataonadevice.包含访问和发布设备上的数据的类。android.content.pmContainsclassesforaccessinginformationaboutanapplicationpackage,includinginformationaboutitsactivities,permissions,services,signatures,andproviders.包含用于访问应用程序包的信息的类，包括其活动、权限、服务、签名和提供器。android.content.resContainsclassesforaccessingapplicationresources,suchasrawassetfiles,colors,drawables,mediaorotherotherfilesinthepackage,plusimportantdeviceconfigurationdetails(orientation,inputtypes,etc.)thataffecthowtheapplicationmaybehave.包含用于访问应用程序资源的类，列如在包中原资产文件、颜色、Drawable，媒体或其他文件包，加上重要的设备配置细节（定向、输入类型等），这些影响着程序的表现。Formoreinformation,seethe

ApplicationResources

guide.android.databaseContainsclassestoexploredatareturnedthroughacontentprovider.包含用于浏览通过内容提供器返回的数据的类。android.database.sqliteContainstheSQLitedatabasemanagementclassesthatanapplicationwouldusetomanageitsownprivatedatabase.包含SQLite数据库管理类，应用程序可以用这个类来管理自己的私人数据库android.databindingandroid.drmProvidesclassesformanagingDRMcontentanddeterminingthecapabilitiesofDRMplugins(agents).提供的类用来管理DRM内容和确定DRM插件（代理人）的能力。android.gestureProvidesclassestocreate,recognize,loadandsavegestures.提供类来创建、识别、加载和保存手势。android.graphicsProvideslowlevelgraphicstoolssuchascanvases,colorfilters,points,andrectanglesthatletyouhandledrawingtothescreendirectly.提供低级别的图形工具，如画布，彩色滤光片，点，矩形，直接让你绘制到屏幕上。android.graphics.drawableProvidesclassestomanageavarietyofvisualelementsthatareintendedfordisplayonly,suchasbitmapsandgradients.提供的类用于管理各种各样的打算仅为了显示的视觉元素,如位图和梯度。android.graphics.drawable.shapesContainsclassesfordrawinggeometricshapes.包含用于画几何图形的类。android.graphics.pdfContainsclassesformanipulationofPDFcontent.包含了用于处理pdf内容的类android.hardwareProvidessupportforhardwarefeatures,suchasthecameraandothersensors.提供支持硬件功能，如摄像头和其他传感器。android.hardware.camera2Theandroid.hardware.camera2packageprovidesaninterfacetoindividualcameradevicesconnectedtoanAndroiddevice.android.hardware.camera2包提供了一个个人的摄像设备连接到一个Android设备接口。android.hardware.camera2.paramsandroid.hardware.displayandroid.hardware.fingerprintandroid.hardware.inputandroid.hardware.usbProvidessupporttocommunicatewithUSBhardwareperipheralsthatareconnectedtoAndroid-powereddevices.提供用来交互外部设备和连接安卓设备的支持Formoreinformation,seethe

USB

guide.android.inputmethodserviceBaseclassesforwritinginputmethods(suchassoftwarekeyboards).编写输入法的基本类（如软件键盘）android.locationContainstheframeworkAPIclassesthatdefineAndroidlocation-basedandrelatedservices.包含了定义安卓位置和相关服务的框架类。android.mediaProvidesclassesthatmanagevariousmediainterfacesinaudioandvideo.提供在音频和视频中管理各种媒体接口的类。android.media.audiofxProvidesclassesthatmanageaudioeffectsimplementedinthemediaframework.提供在媒体框架中实现管理音频效果的类。android.media.browseandroid.media.effectProvidesclassesthatallowyoutoapplyavarietyofvisualeffectstoimagesandvideos.提供允许您应用到图像和视频各种视觉效果的类。android.media.midiAndroidMIDIUserGuideThisdocumentdescribeshowtousetheAndroidMIDIAPIinJava.这个文档描述了如何在java中使用安卓MIDIjectionandroid.media.sessionandroid.media.tvandroid.mtpProvidesAPIsthatletyouinteractdirectlywithconnectedcamerasandotherdevices,usingthePTP(PictureTransferProtocol)subsetoftheMTP(MediaTransferProtocol)specification.提供API，让你直接连接摄像机和其他设备，使用MTP（媒体传输协议）的PTP（图像传输协议）的子集规范说明书。Classesthathelpwithnetworkaccess,beyondthenormal.*APIs.用来帮助网络访问，超过了.http.nsd.rtpProvidesAPIsforRTP(Real-timeTransportProtocol),allowingapplicationstomanageon-demandorinteractivedatastreaming.提供API用于RTP（实时传输协议），允许应用程序管理立即应求的或交互式数据流。.sipProvidesaccesstoSessionInitiationProtocol(SIP)functionality,suchasmakingandansweringVOIPcallsusingSIP.提供访问会话初始化协议（SIP）功能，如制作和回答使用SIP的VoIP呼叫。Formoreinformation,seethe

SessionInitiationProtocol

developerguide..wifiProvidesclassestomanageWi-Fifunctionalityonthedevice.提供类来管理设备上的Wi-Fi功能。.wifi.p2pProvidesclassestocreatepeer-to-peer(P2P)connectionswithWi-FiDirect.提供类来创建对等（点对点）直接连接的Wi-Fi.wifi.p2p.nsdandroid.nfcProvidesaccesstoNearFieldCommunication(NFC)functionality,allowingapplicationstoreadNDEFmessageinNFCtags.A"tag"mayactuallybeanotherdevicethatappearsasatag.提供了近场通信（NFC）功能，允许应用程序在NFC标签读取NDEF消息。“标签”实际上可能是另一个出现在标签的设备。Formoreinformation,seethe

NearFieldCommunication

guide.android.nfc.cardemulationandroid.nfc.techTheseclassesprovideaccesstoatagtechnology'sfeatures,whichvarybythetypeoftagthatisscanned.这些类提供了一个访问标签技术的功能，它随扫描的标记类型的不同而不同android.openglProvidesanOpenGLESstaticinterfaceandutilities.提供一个OpenGLES静态接口和公用程式android.osProvidesbasicoperatingsystemservices,messagepassing,andinter-processcommunicationonthedevice.在设备上提供基本操作系统服务、消息传递和进程间的通信在。android.os.storageContainsclassesforthesystemstorageservice,whichmanagesbinaryassetfilesystemsknownasOpaqueBinaryBlobs(OBBs).包含的类用于系统存储服务，用来管理二进制资产系统文件被称为不透明的二进制blob（OBBs）。android.preferenceProvidesclassesthatmanageapplicationpreferencesandimplementthepreferencesUI.提供管理应用程序的优先权和实现用户界面的优先权的类。android.printProvidesclassesforimplementingprintsupportinapplicationsandalsocontainsallbaseclassesandabstractionsinvolvedinprinting.提供用于在应用程序中实现打印支持的类，并且还包含涉及印刷的所有基类和抽象的类android.print.pdfandroid.printserviceProvidesclassesforimplementingprintservices.提供打印服务的类。viderProvidesconvenienceclassestoaccessthecontentproviderssuppliedbyAndroid.提供方便类去访问由安卓提供的内容提供器。android.renderscriptRenderScriptprovidessupportforhigh-performancecomputationacrossheterogeneousprocessors.Renderscript为高性能计算跨异构处理器提供支持。Formoreinformation,seethe

RenderScript

developerguide.android.saxAframeworkthatmakesiteasytowriteefficientandrobustSAXhandlers.一个框架，使得它易于编写高效和强大的SAX处理程序。android.securityProvidesaccesstoafewfacilitiesoftheAndroidsecuritysubsystems.提供访问安卓安全系统的几个设施。android.security.keystoreandroid.service.carrierandroid.service.chooserandroid.service.dreamsandroid.service.mediaandroid.service.notificationandroid.service.restrictionsandroid.service.textserviceProvidesclassesthatallowyoutocreatespellcheckersinamannersimilartotheinputmethodframework(forIMEs).提供的类允许您在一个类似的输入法框架创建的拼写检查器（的时代）android.service.voiceandroid.service.wallpaperandroid.speechandroid.speech.ttsandroid.support.annotationandroid.support.app.recommendationandroid.support.customtabsandroid.support.designandroid.support.design.widgetandroid.support.multidexandroid.support.percentandroid.support.v13.appSupportclassestoaccesssomeoftheandroid.apppackagefeaturesintroducedafterAPIlevel13inabackwardscompatiblefashion.支持类访问的一些android.app包功能API级别13的向后兼容的方式引入。android.support.v14.preferenceandroid.support.v17.leanbackSupportclassesforbuildingLeanbackuserexperiences.创建leanback用户体验支持类。android.support.v17.leanback.appSupportclassesprovidinghighlevelLeanbackuserinterfacebuildingblocks:fragmentsandhelpers.支持类提供高水平leanback用户界面积木：碎片和助手。android.support.v17.leanback.databaseandroid.support.v17.leanback.graphicsandroid.support.v17.leanback.systemandroid.support.v17.leanback.widgetSupportclassesprovidinglowlevelLeanbackuserinterfacebuildingblocks:widgetsandhelpers.支持类提供低水平leanback用户界面积木：小工具和助手。android.support.v17.preferenceandroid.support.v4.accessibilityserviceSupportandroid.accessibilityserviceclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.accessibilityservice类协助开发发应用Android用于API级别4或更高版本。android.support.v4.animationandroid.support.v4.appSupportandroid.appclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.app类协助开发发应用Android用于API级别4或更高版本。android.support.v4.contentSupportandroid.contentclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.content类协助发展应用Android用于API级别4或更高版本。android.support.v4.content.pmSupportandroid.content.pmclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.content.pm类协助发展应用Android用于API级别4或更高版本。android.support.v4.content.resandroid.support.v4.databaseSupportandroid.databaseclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.database类协助发展应用AndroidAPI级别4或更高版本。android.support.v4.graphicsandroid.support.v4.graphics.drawableandroid.support.v4.hardware.displayandroid.support.v4.hardware.fingerprintandroid.support.v4.mediaandroid.support.v4.media.sessionandroid.support.v4.osSupportandroid.osclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.os类协助发展应用AndroidAPI级别4或更高版本。android.support.v4.printviderandroid.support.v4.textandroid.support.v4.utilSupportandroid.utilclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.util类协助发展应用AndroidAPI级别4或更高版本。android.support.v4.viewSupportandroid.utilclassestoassistwithdevelopmentofapplicationsforandroidAPIlevel4orlater.支持android.util班协助AndroidAPI级别4或更高版本的应用程序开发。android.support.v4.view.accessibilitySupportclassestoaccesssomeoftheandroid.view.accessibilitypackage