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Android api,Android SDK

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Package Index - Android SDK

These are the API packages. See all API classes.

 

android

Contains resource classes used by applications included in the platform and defines application permissions for system features.

android.accessibilityservice

The classes in this package are used for development of accessibility service that provide alternative or augmented feedback to the user.

android.accounts  
android.animation

These classes provide functionality for the property animation system, which allows you to animate object properties of any type. intfloat, and hexadecimal color values are supported by default. You can animate any other type by telling the system how to calculate the values for that given type with a custom TypeEvaluator.

For more information, see the Animation guide.

android.annotation  
android.app

Contains high-level classes encapsulating the overall Android application model.

android.app.admin

Provides device administration features at the system level, allowing you to create security-aware applications that are useful in enterprise settings, in which IT professionals require rich control over employee devices.

For more information, see the Device Administration guide.

android.app.assist  
android.app.backup

Contains the backup and restore functionality available to applications. If a user wipes the data on their device or upgrades to a new Android-powered device, all applications that have enabled backup can restore the user's previous data when the application is reinstalled.

For more information, see the Data Backup guide.

android.app.job  
android.app.usage  
android.appwidget

Contains the components necessary to create "app widgets", which users can embed in other applications (such as the home screen) to quickly access application data and services without launching a new activity.

For more information, see the App Widgets guide.

android.bluetooth

Provides classes that manage Bluetooth functionality, such as scanning for devices, connecting with devices, and managing data transfer between devices. The Bluetooth API supports both "Classic Bluetooth" and Bluetooth Low Energy.

For more information about Classic Bluetooth, see the Bluetooth guide. For more information about Bluetooth Low Energy, see the Bluetooth Low Energy (BLE) guide.

android.bluetooth.le  
android.content

Contains classes for accessing and publishing data on a device.

android.content.pm

Contains classes for accessing information about an application package, including information about its activities, permissions, services, signatures, and providers.

android.content.res

Contains classes for accessing application resources, such as raw asset files, colors, drawables, media or other other files in the package, plus important device configuration details (orientation, input types, etc.) that affect how the application may behave.

For more information, see the Application Resources guide.

android.database Contains classes to explore data returned through a content provider.
android.database.sqlite Contains the SQLite database management classes that an application would use to manage its own private database.
android.databinding

Contains components used when developing applications with data binding.

android.drm

Provides classes for managing DRM content and determining the capabilities of DRM plugins (agents).

android.gesture Provides classes to create, recognize, load and save gestures.
android.graphics Provides low level graphics tools such as canvases, color filters, points, and rectangles that let you handle drawing to the screen directly.
android.graphics.drawable

Provides classes to manage a variety of visual elements that are intended for display only, such as bitmaps and gradients.

android.graphics.drawable.shapes Contains classes for drawing geometric shapes.
android.graphics.pdf Contains classes for manipulation of PDF content.
android.hardware

Provides support for hardware features, such as the camera and other sensors.

android.hardware.camera2

The android.hardware.camera2 package provides an interface to individual camera devices connected to an Android device.

android.hardware.camera2.params  
android.hardware.display  
android.hardware.fingerprint  
android.hardware.input  
android.hardware.usb

Provides support to communicate with USB hardware peripherals that are connected to Android-powered devices.

For more information, see the USB guide.

android.icu.lang  
android.icu.math  
android.icu.text  
android.icu.util  
android.inputmethodservice Base classes for writing input methods (such as software keyboards).
android.location

Contains the framework API classes that define Android location-based and related services.

android.media Provides classes that manage various media interfaces in audio and video.
android.media.audiofx Provides classes that manage audio effects implemented in the media framework.
android.media.browse  
android.media.effect

Provides classes that allow you to apply a variety of visual effects to images and videos.

android.media.midi

Provides classes for sending and receiving messages using the standard MIDI event protocol over USB, Bluetooth LE, and virtual (inter-app) transports.

android.media.projection  
android.media.session  
android.media.tv  
android.mtp

Provides APIs that let you interact directly with connected cameras and other devices, using the PTP (Picture Transfer Protocol) subset of the MTP (Media Transfer Protocol) specification.

android.net Classes that help with network access, beyond the normal java.net.* APIs.
android.net.http  
android.net.nsd  
android.net.rtp

Provides APIs for RTP (Real-time Transport Protocol), allowing applications to manage on-demand or interactive data streaming.

android.net.sip

Provides access to Session Initiation Protocol (SIP) functionality, such as making and answering VOIP calls using SIP.

For more information, see the Session Initiation Protocol developer guide.

android.net.wifi

Provides classes to manage Wi-Fi functionality on the device.

android.net.wifi.p2p

Provides classes to create peer-to-peer (P2P) connections with Wi-Fi Direct.

android.net.wifi.p2p.nsd  
android.nfc

Provides access to Near Field Communication (NFC) functionality, allowing applications to read NDEF message in NFC tags. A "tag" may actually be another device that appears as a tag.

For more information, see the Near Field Communication guide.

android.nfc.cardemulation  
android.nfc.tech

These classes provide access to a tag technology's features, which vary by the type of tag that is scanned.

android.opengl

Provides an OpenGL ES static interface and utilities.

android.os Provides basic operating system services, message passing, and inter-process communication on the device.
android.os.health The android.os.health package contains a set of classes to provide data to track the system resources of applications.
android.os.storage

Contains classes for the system storage service, which manages binary asset filesystems known as Opaque Binary Blobs (OBBs).

android.preference Provides classes that manage application preferences and implement the preferences UI.
android.print

Overview

Provides classes for implementing print support in applications and also contains all base classes and abstractions involved in printing.

android.print.pdf  
android.printservice

Provides classes for implementing print services.

android.provider

Provides convenience classes to access the content providers supplied by Android.

android.renderscript

RenderScript provides support for high-performance computation across heterogeneous processors.

For more information, see the RenderScript developer guide.

android.sax A framework that makes it easy to write efficient and robust SAX handlers.
android.security

Provides access to a few facilities of the Android security subsystems.

android.security.keystore  
android.service.carrier  
android.service.chooser  
android.service.dreams  
android.service.media  
android.service.notification  
android.service.quicksettings  
android.service.restrictions  
android.service.textservice

Provides classes that allow you to create spell checkers in a manner similar to the input method framework (for IMEs).

android.service.voice  
android.service.vr  
android.service.wallpaper  
android.speech  
android.speech.tts  
android.support.annotation  
android.support.annotations  
android.support.app.recommendation  
android.support.customtabs  
android.support.design  
android.support.design.widget  
android.support.graphics.drawable  
android.support.multidex  
android.support.percent  
android.support.provider  
android.support.v13.app Support classes to access some of the android.app package features introduced after API level 13 in a backwards compatible fashion.
android.support.v13.view  
android.support.v14.preference  
android.support.v17.leanback

Support classes for building Leanback user experiences.

android.support.v17.leanback.app

Support classes providing high level Leanback user interface building blocks: fragments and helpers.

android.support.v17.leanback.database  
android.support.v17.leanback.graphics  
android.support.v17.leanback.system  
android.support.v17.leanback.widget

Support classes providing low level Leanback user interface building blocks: widgets and helpers.

android.support.v17.leanback.widget.picker  
android.support.v17.preference  
android.support.v4  
android.support.v4.accessibilityservice Support android.accessibilityservice classes to assist with development of applications for android API level 4 or later.
android.support.v4.app  
android.support.v4.content Support android.content classes to assist with development of applications for android API level 4 or later.
android.support.v4.content.pm Support android.content.pm classes to assist with development of applications for android API level 4 or later.
android.support.v4.content.res  
android.support.v4.database Support android.database classes to assist with development of applications for android API level 4 or later.
android.support.v4.graphics  
android.support.v4.graphics.drawable  
android.support.v4.hardware.display  
android.support.v4.hardware.fingerprint  
android.support.v4.media  
android.support.v4.media.session  
android.support.v4.net  
android.support.v4.os Support android.os classes to assist with development of applications for android API level 4 or later.
android.support.v4.print  
android.support.v4.provider  
android.support.v4.text  
android.support.v4.util Support android.util classes to assist with development of applications for android API level 4 or later.
android.support.v4.view Support android.util classes to assist with development of applications for android API level 4 or later.
android.support.v4.view.accessibility Support classes to access some of the android.view.accessibility package features introduced after API level 4 in a backwards compatible fashion.
android.support.v4.view.animation  
android.support.v4.widget Support android.widget classes to assist with development of applications for android API level 4 or later.
android.support.v7.app  
android.support.v7.appcompat  
android.support.v7.cardview  
android.support.v7.content.res  
android.support.v7.graphics  
android.support.v7.graphics.drawable  
android.support.v7.gridlayout  
android.support.v7.media

Contains APIs that control the routing of media channels and streams from the current device to external speakers and destination devices.

android.support.v7.mediarouter  
android.support.v7.palette  
android.support.v7.preference  
android.support.v7.recyclerview  
android.support.v7.util  
android.support.v7.view  
android.support.v7.widget  
android.support.v7.widget.helper  
android.support.v7.widget.util  
android.support.v8.renderscript  
android.system  
android.telecom  
android.telephony Provides APIs for monitoring the basic phone information, such as the network type and connection state, plus utilities for manipulating phone number strings.
android.telephony.cdma Provides APIs for utilizing CDMA-specific telephony features.
android.telephony.gsm Provides APIs for utilizing GSM-specific telephony features, such as text/data/PDU SMS messages.
android.test

A framework for writing Android test cases and suites.

For more information, see the Testing developer guide.

android.test.mock

Utility classes providing stubs or mocks of various Android framework building blocks.

For more information, see the Testing guide.

android.test.suitebuilder Utility classes supporting the test runner classes.
android.test.suitebuilder.annotation Utility classes supporting the test runner classes.
android.text

Provides classes used to render or track text and text spans on the screen.

android.text.format This package contains alternative classes for some text formatting classes defined in java.util and java.text.
android.text.method

Provides classes that monitor or modify keypad input.

android.text.style

Provides classes used to view or change the style of a span of text in a View object.

android.text.util Utilities for converting identifiable text strings into clickable links and creating RFC 822-type message (SMTP) tokens.
android.transition

The classes in this package enable "scenes & transitions" functionality for view hiearchies.

android.util Provides common utility methods such as date/time manipulation, base64 encoders and decoders, string and number conversion methods, and XML utilities.
android.view Provides classes that expose basic user interface classes that handle screen layout and interaction with the user.
android.view.accessibility

The classes in this package are used to represent screen content and changes to it as well as APIs for querying the global accessibility state of the system.

android.view.animation

Provides classes that handle tweened animations.

android.view.inputmethod Framework classes for interaction between views and input methods (such as soft keyboards).
android.view.textservice  
android.webkit

Provides tools for browsing the web.

android.widget

The widget package contains (mostly visual) UI elements to use on your Application screen.

com.android.internal.backup  
com.android.internal.logging  
com.android.internal.os  
com.android.internal.statusbar  
com.android.internal.widget  
com.android.test.runner  
dalvik.annotation  
dalvik.bytecode  
dalvik.system  
java.awt.font  
java.beans  
java.io Provides for system input and output through data streams, serialization and the file system.
java.lang Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation Provides library support for the Java programming language annotation facility.
java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect Provides classes and interfaces for obtaining reflective information about classes and objects.
java.math  
java.net Provides the classes for implementing networking applications.
java.nio Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi Service-provider classes for the java.nio.channels package.
java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi Service-provider classes for the java.nio.charset package.
java.security Provides the classes and interfaces for the security framework.
java.security.acl The classes and interfaces in this package have been superseded by classes in the java.security package.
java.security.cert Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.interfaces Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
java.security.spec Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language.
java.text Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
java.util.concurrent Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.concurrent.locks Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
java.util.function  
java.util.jar Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging

Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities.

java.util.prefs This package allows applications to store and retrieve user and system preference and configuration data.
java.util.regex Classes for matching character sequences against patterns specified by regular expressions.
java.util.stream Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
java.util.zip Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.crypto Provides the classes and interfaces for cryptographic operations.
javax.crypto.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
javax.crypto.spec Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.microedition.khronos.egl  
javax.microedition.khronos.opengles

Provides a standard OpenGL interface.

javax.net Provides classes for networking applications.
javax.net.ssl Provides classes for the secure socket package.
javax.security.auth This package provides a framework for authentication and authorization.
javax.security.auth.callback This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.login This package provides a pluggable authentication framework.
javax.security.auth.x500 This package contains the classes that should be used to store X500 Principal and X500 Private Crendentials in a Subject.
javax.security.cert Provides classes for public key certificates.
javax.sql Provides the API for server side data source access and processing from the JavaTMprogramming language.
javax.xml  
javax.xml.datatype  
javax.xml.namespace  
javax.xml.parsers  
javax.xml.transform  
javax.xml.transform.dom  
javax.xml.transform.sax  
javax.xml.transform.stream  
javax.xml.validation  
javax.xml.xpath  
junit.framework The junit test framework.
junit.runner Utility classes supporting the junit test framework.
org.apache.http.conn  
org.apache.http.conn.scheme  
org.apache.http.conn.ssl TLS/SSL specific parts of the HttpConn API.
org.apache.http.params  
org.json  
org.w3c.dom  
org.w3c.dom.ls  
org.xml.sax  
org.xml.sax.ext  
org.xml.sax.helpers  
org.xmlpull.v1  
org.xmlpull.v1.sax2

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来源: https://blog.csdn.net/ixiaoyang/article/details/104925242