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android |
Contains resource classes used by applications included in the platform and defines application
permissions for system features. |
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android.accessibilityservice |
The classes in this package are used for development of accessibility service that
provide alternative or augmented feedback to the user. |
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android.accounts |
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android.adservices |
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android.adservices.adid |
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android.adservices.adselection |
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android.adservices.appsetid |
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android.adservices.common |
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android.adservices.customaudience |
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android.adservices.exceptions |
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android.adservices.measurement |
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android.adservices.topics |
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android.animation |
These classes provide functionality for the property animation system, which allows you
to animate object properties of any type. int, float, 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.
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android.annotation |
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android.app |
Contains high-level classes encapsulating the overall Android application model. |
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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.
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android.app.appsearch |
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android.app.appsearch.exceptions |
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android.app.appsearch.observer |
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android.app.appsearch.util |
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android.app.assist |
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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.
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android.app.blob |
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android.app.job |
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android.app.people |
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android.app.role |
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android.app.sdksandbox |
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android.app.sdksandbox.sdkprovider |
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android.app.slice |
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android.app.usage |
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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.
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android.bluetooth |
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android.bluetooth.le |
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android.companion |
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android.companion.virtual |
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android.content |
Contains classes for accessing and publishing data on a device. |
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android.content.om |
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android.content.pm |
Contains classes for accessing information about an
application package, including information about its activities,
permissions, services, signatures, and providers. |
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android.content.pm.verify.domain |
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android.content.res |
Contains classes for accessing application resources,
such as raw asset files, colors, drawables, media, or 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.
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android.content.res.loader |
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android.credentials |
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android.database |
Contains classes to explore data returned through a content provider. |
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android.database.sqlite |
Contains the SQLite database management
classes that an application would use to manage its own private database. |
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android.devicelock |
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android.drm |
Provides classes for managing DRM content and determining the capabilities of DRM plugins
(agents). |
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android.gesture |
Provides classes to create, recognize, load and save gestures. |
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android.graphics |
Provides low level graphics tools such as canvases, color filters, points, and
rectangles that let you handle drawing to the screen directly. |
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android.graphics.drawable |
Provides classes to manage a variety of visual elements that are intended for
display only, such as bitmaps and gradients. |
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android.graphics.drawable.shapes |
Contains classes for drawing geometric shapes. |
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android.graphics.fonts |
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android.graphics.pdf |
Contains classes for manipulation of PDF content. |
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android.graphics.text |
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android.hardware |
Provides support for hardware features, such as the camera and other sensors. |
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android.hardware.biometrics |
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android.hardware.camera2 |
The android.hardware.camera2 package provides an interface to
individual camera devices connected to an Android device. |
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android.hardware.camera2.params |
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android.hardware.display |
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android.hardware.fingerprint |
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android.hardware.input |
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android.hardware.lights |
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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.
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android.healthconnect |
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android.healthconnect.datatypes |
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android.healthconnect.datatypes.units |
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android.icu.lang |
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android.icu.math |
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android.icu.number |
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android.icu.text |
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android.icu.util |
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android.inputmethodservice |
Base classes for writing input methods (such as software keyboards). |
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android.location |
Contains framework API classes for accessing a variety of location related services. |
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android.location.altitude |
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android.location.provider |
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android.media |
Provides classes that manage various media interfaces in audio and video. |
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android.media.audiofx |
Provides classes that manage audio effects implemented in the media framework. |
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android.media.browse |
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android.media.effect |
Provides classes that allow you to apply a variety of visual effects to images and
videos. |
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android.media.metrics |
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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. |
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android.media.projection |
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android.media.session |
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android.media.tv |
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android.media.tv.interactive |
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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. |
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android.net |
Classes that help with network access, beyond the normal java.net.* APIs. |
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android.net.eap |
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android.net.http |
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android.net.ipsec.ike |
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android.net.ipsec.ike.exceptions |
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android.net.nsd |
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android.net.rtp |
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android.net.sip |
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android.net.ssl |
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android.net.vcn |
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android.net.wifi |
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android.net.wifi.aware |
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android.net.wifi.hotspot2 |
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android.net.wifi.hotspot2.omadm |
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android.net.wifi.hotspot2.pps |
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android.net.wifi.p2p |
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android.net.wifi.p2p.nsd |
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android.net.wifi.rtt |
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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.
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android.nfc.cardemulation |
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android.nfc.tech |
These classes provide access to a tag technology's features, which vary by the type
of tag that is scanned. |
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android.opengl |
Provides an OpenGL ES static interface and utilities. |
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android.os |
Provides basic operating system services, message passing, and inter-process
communication on the device. |
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android.os.ext |
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android.os.health |
The android.os.health package contains a set of classes to provide data
to track the system resources of applications. |
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android.os.storage |
Contains classes for the system storage service, which manages binary asset filesystems
known as Opaque Binary Blobs (OBBs). |
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android.os.strictmode |
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android.preference |
These classes are deprecated. |
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android.print |
Overview
Provides classes for implementing print support in applications and also contains all
base classes and abstractions involved in printing. |
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android.print.pdf |
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android.printservice |
Provides classes for implementing print services. |
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android.provider |
Provides convenience classes to access the content providers supplied by
Android. |
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android.renderscript |
RenderScript provides support for high-performance computation across heterogeneous processors.
For more information, see the
RenderScript developer guide.
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android.sax |
A framework that makes it easy to write efficient and robust SAX handlers. |
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android.se.omapi |
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android.security |
Provides access to a few facilities of the Android security
subsystems. |
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android.security.identity |
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android.security.keystore |
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android.service.autofill |
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android.service.carrier |
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android.service.chooser |
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android.service.controls |
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android.service.controls.actions |
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android.service.controls.templates |
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android.service.credentials |
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android.service.dreams |
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android.service.media |
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android.service.notification |
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android.service.quickaccesswallet |
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android.service.quicksettings |
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android.service.restrictions |
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android.service.textservice |
Provides classes that allow you to create spell checkers in a manner similar to the
input method framework (for IMEs). |
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android.service.voice |
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android.service.vr |
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android.service.wallpaper |
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android.speech |
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android.speech.tts |
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android.system |
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android.telecom |
The Android Telecom framework is responsible for managing calls on an Android device. |
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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. |
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android.telephony.cdma |
Provides APIs for utilizing CDMA-specific telephony features. |
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android.telephony.data |
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android.telephony.emergency |
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android.telephony.euicc |
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android.telephony.gsm |
Provides APIs for utilizing GSM-specific telephony features, such as
text/data/PDU SMS messages. |
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android.telephony.ims |
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android.telephony.ims.feature |
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android.telephony.ims.stub |
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android.telephony.mbms |
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android.test |
A framework for writing Android test cases and suites.
For more information, see the
Testing developer guide.
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android.test.mock |
Utility classes providing stubs or mocks of various Android framework building blocks.
For more information, see the
Testing guide.
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android.test.suitebuilder |
Utility classes supporting the test runner classes. |
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android.test.suitebuilder.annotation |
Utility classes supporting the test runner classes. |
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android.text |
Provides classes used to render or track text and text spans on the screen. |
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android.text.format |
This package contains alternative classes for some text formatting classes
defined in java.util and java.text. |
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android.text.method |
Provides classes that monitor or modify keypad input. |
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android.text.style |
Provides classes used to view or change the style of a span of text in a View object. |
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android.text.util |
Utilities for converting identifiable text strings into clickable links
and creating RFC 822-type message (SMTP) tokens. |
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android.transition |
The classes in this package enable "scenes & transitions" functionality for
view hiearchies. |
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android.util |
Provides common utility methods such as date/time manipulation, base64 encoders
and decoders, string and number conversion methods, and XML utilities. |
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android.util.proto |
Provides utility classes to export protocol buffers from the system. |
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android.view |
Provides classes that expose basic user interface classes that handle
screen layout and interaction with the user. |
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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. |
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android.view.animation |
Provides classes that handle tweened animations. |
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android.view.autofill |
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android.view.contentcapture |
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android.view.displayhash |
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android.view.inputmethod |
Framework classes for interaction between views and input methods (such
as soft keyboards). |
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android.view.inspector |
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android.view.textclassifier |
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android.view.textservice |
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android.view.translation |
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android.webkit |
Provides tools for browsing the web. |
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android.widget |
The widget package contains (mostly visual) UI elements to use
on your Application screen. |
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android.widget.inline |
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android.window |
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dalvik.annotation |
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dalvik.annotation.optimization |
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dalvik.bytecode |
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dalvik.system |
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java.awt.font |
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java.beans |
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java.io |
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java.lang |
Provides classes that are fundamental to the design of the Java
programming language. |
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java.lang.annotation |
Provides library support for the Java programming language
annotation facility. |
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java.lang.invoke |
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java.lang.ref |
Provides reference-object classes, which support a limited degree
of interaction with the garbage collector. |
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java.lang.reflect |
Provides classes and interfaces for obtaining reflective information about
classes and objects. |
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java.math |
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java.net |
Provides the classes for implementing networking applications. |
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java.nio |
Defines buffers, which are containers for data, and provides an
overview of the other NIO packages. |
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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. |
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java.nio.channels.spi |
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java.nio.charset |
Defines charsets, decoders, and encoders, for translating between
bytes and Unicode characters. |
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java.nio.charset.spi |
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java.nio.file |
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java.nio.file.attribute |
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java.nio.file.spi |
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java.security |
Provides the classes and interfaces for the security framework. |
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java.security.acl |
The classes and interfaces in this package have been
superseded by classes in the java.security package. |
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java.security.cert |
Provides classes and interfaces for parsing and managing
certificates, certificate revocation lists (CRLs), and
certification paths. |
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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. |
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java.security.spec |
Provides classes and interfaces for key specifications and algorithm
parameter specifications. |
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java.sql |
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java.text |
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java.time |
The main API for dates, times, instants, and durations. |
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java.time.chrono |
Generic API for calendar systems other than the default ISO. |
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java.time.format |
Provides classes to print and parse dates and times. |
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java.time.temporal |
Access to date and time using fields and units, and date time adjusters. |
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java.time.zone |
Support for time-zones and their rules. |
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java.util |
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java.util.concurrent |
Utility classes commonly useful in concurrent programming. |
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java.util.concurrent.atomic |
A small toolkit of classes that support lock-free thread-safe
programming on single variables. |
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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. |
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java.util.function |
Functional interfaces provide target types for lambda expressions
and method references. |
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java.util.jar |
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java.util.logging |
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java.util.prefs |
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java.util.regex |
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java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections. |
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java.util.zip |
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javax.crypto |
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javax.crypto.interfaces |
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javax.crypto.spec |
|
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javax.microedition.khronos.egl |
|
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javax.microedition.khronos.opengles |
Provides a standard OpenGL interface. |
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javax.net |
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javax.net.ssl |
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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 Credentials in a
Subject. |
|
javax.security.cert |
Provides classes for public key certificates. |
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javax.sql |
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javax.xml |
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javax.xml.datatype |
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javax.xml.namespace |
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javax.xml.parsers |
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javax.xml.transform |
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javax.xml.transform.dom |
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javax.xml.transform.sax |
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javax.xml.transform.stream |
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javax.xml.validation |
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javax.xml.xpath |
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junit.framework |
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junit.runner |
Utility classes supporting the junit test framework. |
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org.apache.http.conn |
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org.apache.http.conn.scheme |
|
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org.apache.http.conn.ssl |
TLS/SSL specific parts of the HttpConn API. |
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org.apache.http.params |
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org.json |
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org.w3c.dom |
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org.w3c.dom.ls |
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org.xml.sax |
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org.xml.sax.ext |
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org.xml.sax.helpers |
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org.xmlpull.v1 |
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org.xmlpull.v1.sax2 |
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