Object

java.lang.Object

Known Direct Subclasses

AUTH	Constants and static helpers related to the HTTP authentication.
AbsSavedState	A `Parcelable` implementation that should be used by inheritance hierarchies to ensure the state of all classes along the chain is saved.
AbstractAccountAuthenticator	Abstract base class for creating AccountAuthenticators.
AbstractAuthenticationHandler
AbstractClientConnAdapter	Abstract adapter from `operated` to `managed` client connections.
AbstractCollection<E>	Class `AbstractCollection` is an abstract implementation of the `Collection` interface.
AbstractConnPool	An abstract connection pool.
AbstractCookieAttributeHandler
AbstractCookieSpec	Abstract cookie specification which can delegate the job of parsing, validation or matching cookie attributes to a number of arbitrary `CookieAttributeHandler`s.
AbstractCursor	This is an abstract cursor class that handles a lot of the common code that all cursors need to deal with and is provided for convenience reasons.
AbstractExecutorService	Provides default implementations of `ExecutorService` execution methods.
AbstractHttpClient	Convenience base class for HTTP client implementations.
AbstractHttpClientConnection	Abstract client-side HTTP connection capable of transmitting and receiving data using arbitrary `SessionInputBuffer` and `SessionOutputBuffer`
AbstractHttpEntity	Abstract base class for entities.
AbstractHttpMessage	Basic implementation of an HTTP message that can be modified.
AbstractHttpParams	Abstract base class for parameter collections.
AbstractHttpServerConnection	Abstract server-side HTTP connection capable of transmitting and receiving data using arbitrary `SessionInputBuffer` and `SessionOutputBuffer`
AbstractInputMethodService.AbstractInputMethodImpl	Base class for derived classes to implement their `InputMethod` interface.
AbstractInputMethodService.AbstractInputMethodSessionImpl	Base class for derived classes to implement their `InputMethodSession` interface.
AbstractInterruptibleChannel	`AbstractInterruptibleChannel` is the root class for interruptible channels.
AbstractMap<K, V>	This class is an abstract implementation of the `Map` interface.
AbstractMessageParser	Message parser base class.
AbstractMessageWriter
AbstractPoolEntry	A pool entry for use by connection manager implementations.
AbstractQueuedSynchronizer	Provides a framework for implementing blocking locks and related synchronizers (semaphores, events, etc) that rely on first-in-first-out (FIFO) wait queues.
AbstractQueuedSynchronizer.ConditionObject	Condition implementation for a `AbstractQueuedSynchronizer` serving as the basis of a `Lock` implementation.
AbstractSessionInputBuffer	Abstract base class for session input buffers that stream data from a `InputStream`.
AbstractSessionOutputBuffer	Abstract base class for session output buffers that stream data to an `OutputStream`.
AbstractThreadedSyncAdapter	An abstract implementation of a SyncAdapter that spawns a thread to invoke a sync operation.
AbstractVerifier	Abstract base class for all standard `X509HostnameVerifier` implementations.
AccelerateDecelerateInterpolator	An interpolator where the rate of change starts and ends slowly but accelerates through the middle.
AccelerateInterpolator	An interpolator where the rate of change starts out slowly and and then accelerates.
AccessControlContext	`AccessControlContext` encapsulates the `ProtectionDomain`s on which access control decisions are based.
AccessController	`AccessController` provides static methods to perform access control checks and privileged operations.
AccessibilityEvent	This class represents accessibility events that are sent by the system when something notable happens in the user interface.
AccessibilityManager	System level service that serves as an event dispatch for `AccessibilityEvent`s.
AccessibilityServiceInfo	This class describes an `AccessibilityService`.
AccessibleObject	`AccessibleObject` is the superclass of all member reflection classes (Field, Constructor, Method).
Account	Value type that represents an Account in the `AccountManager`.
AccountAuthenticatorResponse	Object used to communicate responses back to the AccountManager
AccountManager	A class that helps with interactions with the AccountManager Service.
ActivityManager	Interact with the overall activities running in the system.
ActivityManager.MemoryInfo	Information you can retrieve about the available memory through `getMemoryInfo(ActivityManager.MemoryInfo)`.
ActivityManager.ProcessErrorStateInfo	Information you can retrieve about any processes that are in an error condition.
ActivityManager.RecentTaskInfo	Information you can retrieve about tasks that the user has most recently started or visited.
ActivityManager.RunningAppProcessInfo	Information you can retrieve about a running process.
ActivityManager.RunningServiceInfo	Information you can retrieve about a particular Service that is currently running in the system.
ActivityManager.RunningTaskInfo	Information you can retrieve about a particular task that is currently "running" in the system.
AdapterView.AdapterContextMenuInfo	Extra menu information provided to the `onCreateContextMenu(ContextMenu, View, ContextMenuInfo)` callback when a context menu is brought up for this AdapterView.
Address	A class representing an Address, i.e, a set of Strings describing a location.
Adler32	The Adler-32 class is used to compute the `Adler32` checksum from a set of data.
AlarmManager	This class provides access to the system alarm services.
AlertDialog.Builder
AlgorithmParameterGenerator	`AlgorithmParameterGenerator` is an engine class which is capable of generating parameters for the algorithm it was initialized with.
AlgorithmParameterGeneratorSpi	`AlgorithmParameterGeneratorSpi` is the Service Provider Interface (SPI) definition for `AlgorithmParameterGenerator`.
AlgorithmParameters	`AlgorithmParameters` is an engine class which provides algorithm parameters.
AlgorithmParametersSpi	`AlgorithmParametersSpi` is the Service Provider Interface (SPI) definition for `AlgorithmParameters`.
AlignmentSpan.Standard
AlteredCharSequence	An AlteredCharSequence is a CharSequence that is largely mirrored from another CharSequence, except that a specified range of characters are mirrored from a different char array instead.
AndroidCharacter	AndroidCharacter exposes some character properties that are not easily accessed from java.lang.Character.
Animation	Abstraction for an Animation that can be applied to Views, Surfaces, or other objects.
Animation.Description	Utility class to parse a string description of a size.
AnimationUtils	Defines common utilities for working with animations.
Annotation	Wrapper for a text attribute value which represents an annotation.
AnticipateInterpolator	An interpolator where the change starts backward then flings forward.
AnticipateOvershootInterpolator	An interpolator where the change starts backward then flings forward and overshoots the target value and finally goes back to the final value.
AppWidgetHost	AppWidgetHost provides the interaction with the AppWidget service for apps, like the home screen, that want to embed AppWidgets in their UI.
AppWidgetManager	Updates AppWidget state; gets information about installed AppWidget providers and other AppWidget related state.
AppWidgetProviderInfo	Describes the meta data for an installed AppWidget provider.
ApplicationInfo.DisplayNameComparator
Array	This class provides static methods to create and access arrays dynamically.
Arrays	`Arrays` contains static methods which operate on arrays.
ArrowKeyMovementMethod
Assert	A set of assert methods.
AssetFileDescriptor	File descriptor of an entry in the AssetManager.
AssetManager	Provides access to an application's raw asset files; see `Resources` for the way most applications will want to retrieve their resource data.
AsyncPlayer	Plays a series of audio URIs, but does all the hard work on another thread so that any slowness with preparing or loading doesn't block the calling thread.
AsyncQueryHandler.WorkerArgs
AsyncTask<Params, Progress, Result>	AsyncTask enables proper and easy use of the UI thread.
AtomicBoolean	A `boolean` value that may be updated atomically.
AtomicIntegerArray	An `int` array in which elements may be updated atomically.
AtomicIntegerFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated `volatile int` fields of designated classes.
AtomicLongArray	A `long` array in which elements may be updated atomically.
AtomicLongFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated `volatile long` fields of designated classes.
AtomicMarkableReference<V>	An `AtomicMarkableReference` maintains an object reference along with a mark bit, that can be updated atomically.
AtomicReference<V>	An object reference that may be updated atomically.
AtomicReferenceArray<E>	An array of object references in which elements may be updated atomically.
AtomicReferenceFieldUpdater<T, V>	A reflection-based utility that enables atomic updates to designated `volatile` reference fields of designated classes.
AtomicStampedReference<V>	An `AtomicStampedReference` maintains an object reference along with an integer "stamp", that can be updated atomically.
AttributeListImpl	This class is deprecated. This class implements a deprecated interface, `AttributeList`; that interface has been replaced by `Attributes`, which is implemented in the `AttributesImpl` helper class.
AttributedCharacterIterator.Attribute	Defines keys for text attributes.
AttributedString	Holds a string with attributes describing the characters of this string.
Attributes	The `Attributes` class is used to store values for manifest entries.
Attributes.Name	The name part of the name/value pairs constituting an attribute as defined by the specification of the JAR manifest.
AttributesImpl	Default implementation of the Attributes interface.
AudioFormat	The AudioFormat class is used to access a number of audio format and channel configuration constants.
AudioManager	AudioManager provides access to volume and ringer mode control.
AudioRecord	The AudioRecord class manages the audio resources for Java applications to record audio from the audio input hardware of the platform.
AudioTrack	The AudioTrack class manages and plays a single audio resource for Java applications.
AuthParams	This class implements an adaptor around the `HttpParams` interface to simplify manipulation of the HTTP authentication specific parameters.
AuthPolicy
AuthSchemeBase	Abstract authentication scheme class that serves as a basis for all authentication schemes supported by HttpClient.
AuthSchemeRegistry	Authentication scheme registry that can be used to obtain the corresponding authentication scheme implementation for a given type of authorization challenge.
AuthScope	The class represents an authentication scope consisting of a host name, a port number, a realm name and an authentication scheme name which `Credentials` apply to.
AuthState	This class provides detailed information about the state of the authentication process.
Authenticator	An implementation of this class is able to obtain authentication information for a connection in several ways.
AuthenticatorDescription	A `Parcelable` value type that contains information about an account authenticator.
AutoText	This class accesses a dictionary of corrections to frequent misspellings.
BaseAdapter	Common base class of common implementation for an `Adapter` that can be used in both `ListView` (by implementing the specialized `ListAdapter` interface} and `Spinner` (by implementing the specialized `SpinnerAdapter` interface.
BaseExpandableListAdapter	Base class for a `ExpandableListAdapter` used to provide data and Views from some data to an expandable list view.
BaseInputConnection	Base class for implementors of the InputConnection interface, taking care of most of the common behavior for providing a connection to an Editable.
BaseTestRunner	Base class for all test runners.
BasicClientCookie	HTTP "magic-cookie" represents a piece of state information that the HTTP agent and the target server can exchange to maintain a session.
BasicCookieStore	Default implementation of `CookieStore`
BasicCredentialsProvider	Default implementation of `CredentialsProvider`
BasicDomainHandler
BasicEofSensorWatcher	Basic implementation of `EofSensorWatcher`.
BasicHeader	Represents an HTTP header field.
BasicHeaderElement	One element of an HTTP header's value.
BasicHeaderElementIterator	Basic implementation of a `HeaderElementIterator`.
BasicHeaderIterator	Basic implementation of a `HeaderIterator`.
BasicHeaderValueFormatter	Basic implementation for formatting header value elements.
BasicHeaderValueParser	Basic implementation for parsing header values into elements.
BasicHttpContext	Default implementation of the `HttpContext`.
BasicHttpProcessor	Keeps lists of interceptors for processing requests and responses.
BasicLineFormatter	Interface for formatting elements of the HEAD section of an HTTP message.
BasicLineParser	Basic parser for lines in the head section of an HTTP message.
BasicListHeaderIterator	Implementation of a `HeaderIterator` based on a `List`.
BasicNameValuePair	A simple class encapsulating an attribute/value pair.
BasicPathHandler
BasicRequestLine	The first line of an `HttpRequest`.
BasicResponseHandler	A `ResponseHandler` that returns the response body as a String for successful (2xx) responses.
BasicRouteDirector	Basic implementation of an `HttpRouteDirector`.
BasicSchemeFactory
BasicStatusLine	Represents a status line as returned from a HTTP server.
BasicTokenIterator	Basic implementation of a `TokenIterator`.
BasicUserPrincipal	Basic user principal used for HTTP authentication
BatteryManager	The BatteryManager class contains strings and constants used for values in the `ACTION_BATTERY_CHANGED` Intent.
BestMatchSpec	'Meta' cookie specification that selects a cookie policy depending on the format of the cookie(s)
BestMatchSpecFactory
Bidi	Provides the Unicode Bidirectional Algorithm.
Binder	Base class for a remotable object, the core part of a lightweight remote procedure call mechanism defined by `IBinder`.
BitSet	The `BitSet` class implements a bit field.
Bitmap
BitmapFactory	Creates Bitmap objects from various sources, including files, streams, and byte-arrays.
BitmapFactory.Options
BluetoothAdapter	Represents the local Bluetooth adapter.
BluetoothClass	Represents a Bluetooth class.
BluetoothClass.Device	Bluetooth device classes.
BluetoothClass.Device.Major
BluetoothClass.Service	Bluetooth service classes.
BluetoothDevice	Represents a remote Bluetooth device.
BluetoothServerSocket	A listening Bluetooth socket.
BluetoothSocket	A connected or connecting Bluetooth socket.
Boolean	The wrapper for the primitive type `boolean`.
BounceInterpolator	An interpolator where the change bounces at the end.
BreakIterator	Locates boundaries in text.
BroadcastReceiver	Base class for code that will receive intents sent by sendBroadcast().
Browser
Browser.BookmarkColumns
Browser.SearchColumns
BrowserCompatSpecFactory
Buffer	A buffer is a list of elements of a specific primitive type.
BufferedHeader	This class represents a raw HTTP header whose content is parsed 'on demand' only when the header value needs to be consumed.
Build	Information about the current build, extracted from system properties.
Build.VERSION	Various version strings.
Build.VERSION_CODES	Enumeration of the currently known SDK version codes.
BulletSpan
Bundle	A mapping from String values to various Parcelable types.
ByteArrayBuffer	A resizable byte array.
ByteOrder	Defines byte order constants.
CRC32	The CRC32 class is used to compute a CRC32 checksum from data provided as input value.
CRL	This class represents Certificate Revocation Lists (CRLs) maintained by a certificate authority.
CacheManager	The class CacheManager provides the persistent cache of content that is received over the network.
CacheManager.CacheResult
CacheRequest	`CacheRequest` is a kind of channel for storing resource data in the `ResponseCache`.
CacheResponse	`CacheResponse` is used for getting resource data from the installed `ResponseCache`.
Calendar	`Calendar` is an abstract base class for converting between a `Date` object and a set of integer fields such as `YEAR`, `MONTH`, `DAY`, `HOUR`, and so on.
CallLog	The CallLog provider contains information about placed and received calls.
CallLog.Calls	Contains the recent calls.
Camera
Camera.Parameters	Handles the parameters for pictures created by a Camera service.
Camera.Size	Handles the picture size (dimensions).
Canvas	The Canvas class holds the "draw" calls.
CellLocation	Abstract class that represents the location of the device.
CertPath	An immutable certificate path that can be validated.
CertPath.CertPathRep	The alternate `Serializable` class to be used for serialization and deserialization on `CertPath` objects.
CertPathBuilder	This class implements the functionality of a builder for an unverified Certification Paths from a specified certificate to a trust anchor.
CertPathBuilderSpi	The Service Provider Interface (SPI) for the `CertPathBuilder` class to be implemented by security providers.
CertPathTrustManagerParameters	Certification path parameters to provide to certification path based `TrustManager`.
CertPathValidator	This class provides the functionality for validating certification paths (certificate chains) establishing a trust chain from a certificate to a trust anchor.
CertPathValidatorSpi	The Service Provider Interface (SPI) for the `CertPathValidator` class to be implemented by security providers.
CertStore	This class provides the functionality to retrieve `Certificate`s and `CRL`s from a read-only repository.
CertStoreSpi	The Service Provider Interface (SPI) definition for the `CertStore` class to be implemented by security providers.
Certificate	Abstract class to represent identity certificates.
Certificate.CertificateRep	The alternate `Serializable` class to be used for serialization and deserialization of `Certificate` objects.
CertificateFactory	This class implements the functionality of a certificate factory algorithm, relying on parsing a stream of bytes.
CertificateFactorySpi	This class defines the Service Provider Interface (SPI) for the `CertificateFactory` class.
Channels	This class provides several utilities to get I/O streams from channels.
CharArrayBuffer	A resizable char array.
Character	The wrapper for the primitive type `char`.
Character.Subset
CharacterStyle	The classes that affect character-level text formatting extend this class.
Charset	A charset defines a mapping between a Unicode character sequence and a byte sequence.
CharsetDecoder	A converter that can convert a byte sequence from a charset into a 16-bit Unicode character sequence.
CharsetEncoder	A converter that can converts a 16-bit Unicode character sequence to a byte sequence in some charset.
CharsetProvider	The service provider class for character sets.
Cipher	This class provides access to implementations of cryptographic ciphers for encryption and decryption.
CipherSpi	This class defines the Service Provider Interface (SPI) for cryptographic ciphers.
Class<T>	The in-memory representation of a Java class.
ClassLoader	Loads classes and resources from a repository.
ClientContextConfigurer
ClipboardManager	Interface to the clipboard service, for placing and retrieving text in the global clipboard.
CloneUtils	A collection of utilities to workaround limitations of Java clone framework.
CodeSigner	`CodeSigner` represents a signer of code.
CodeSource	`CodeSource` encapsulates the location from where code is loaded and the certificates that were used to verify that code.
CoderResult	Used to indicate the result of encoding/decoding.
CodingErrorAction	Used to indicate what kind of actions to take in case of encoding/decoding errors.
CollationElementIterator	Created by a `RuleBasedCollator` to iterate through a string.
CollationKey	Represents a string under the rules of a specific `Collator` object.
Collator	Performs locale-sensitive string comparison.
CollectionCertStoreParameters	The parameters to initialize a Collection type `CertStore` instance.
Collections	`Collections` contains static methods which operate on `Collection` classes.
Color	The Color class defines methods for creating and converting color ints.
ColorFilter
ColorMatrix	5x4 matrix for transforming the color+alpha components of a Bitmap.
ColorStateList	Lets you map `View` state sets to colors.
Compiler	Placeholder class for environments which explicitly manage the action of a Just In Time (JIT) compiler.
CompletionInfo	Information about a single text completion that an editor has reported to an input method.
ComponentName	Identifier for a specific application component (`Activity`, `Service`, `BroadcastReceiver`, or `ContentProvider`) that is available.
ConditionVariable	Class that implements the condition variable locking paradigm.
Config	Build configuration. The constants in this class vary depending on release vs. debug build.
Configuration	This class describes all device configuration information that can impact the resources the application retrieves.
ConfigurationInfo	Information you can retrieve about hardware configuration preferences declared by an application.
ConnManagerParams	This class represents a collection of HTTP protocol parameters applicable to client-side `connection managers`.
ConnPerRouteBean	This class maintains a map of HTTP routes to maximum number of connections allowed for those routes.
ConnRouteParams	An adaptor for accessing route related parameters in `HttpParams`.
ConnectivityManager	Class that answers queries about the state of network connectivity.
Contacts	This class is deprecated. The APIs have been superseded by `ContactsContract`. The newer APIs allow access multiple accounts and support aggregation of similar contacts. These APIs continue to work but will only return data for the first Google account created, which matches the original behavior.
Contacts.ContactMethods	This class is deprecated. see `ContactsContract`
Contacts.Extensions	This class is deprecated. see `ContactsContract`
Contacts.GroupMembership	This class is deprecated. see `ContactsContract`
Contacts.Groups	This class is deprecated. see `ContactsContract`
Contacts.Intents	This class is deprecated. see `ContactsContract`
Contacts.Intents.Insert	This class is deprecated. see `ContactsContract`
Contacts.Intents.UI	This class is deprecated. see `ContactsContract`
Contacts.Organizations	This class is deprecated. see `ContactsContract`
Contacts.People	This class is deprecated. see `ContactsContract`
Contacts.People.ContactMethods	This class is deprecated. see `ContactsContract`
Contacts.People.Extensions	This class is deprecated. see `ContactsContract`
Contacts.People.Phones	This class is deprecated. see `ContactsContract`
Contacts.Phones	This class is deprecated. see `ContactsContract`
Contacts.Photos	This class is deprecated. see `ContactsContract`
Contacts.Settings	This class is deprecated. see `ContactsContract`
ContactsContract	The contract between the contacts provider and applications.
ContactsContract.AggregationExceptions	Constants for the contact aggregation exceptions table, which contains aggregation rules overriding those used by automatic aggregation.
ContactsContract.CommonDataKinds	Container for definitions of common data types stored in the `ContactsContract.Contacts.Data` table.
ContactsContract.CommonDataKinds.Email	Common data definition for email addresses.
ContactsContract.CommonDataKinds.Event	Common data definition for events.
ContactsContract.CommonDataKinds.GroupMembership	Group Membership.
ContactsContract.CommonDataKinds.Im	Common data definition for IM addresses.
ContactsContract.CommonDataKinds.Nickname	A nickname.
ContactsContract.CommonDataKinds.Note	Notes about the contact.
ContactsContract.CommonDataKinds.Organization	Common data definition for organizations.
ContactsContract.CommonDataKinds.Phone	Common data definition for telephone numbers.
ContactsContract.CommonDataKinds.Photo	Photo of the contact.
ContactsContract.CommonDataKinds.Relation	Common data definition for relations.
ContactsContract.CommonDataKinds.StructuredName	Parts of the name.
ContactsContract.CommonDataKinds.StructuredPostal	Common data definition for postal addresses.
ContactsContract.CommonDataKinds.Website	Website related to the contact.
ContactsContract.Contacts	Constants for the contacts table, which contains a record per group of raw contacts representing the same person.
ContactsContract.Contacts.AggregationSuggestions	A sub-directory of a single contact aggregate that contains all aggregation suggestions (other contacts).
ContactsContract.Contacts.Data	A sub-directory of a single contact that contains all of the constituent raw contact `ContactsContract.Contacts.Data` rows.
ContactsContract.Contacts.Photo	A sub-directory of a single contact that contains the contact's primary photo.
ContactsContract.Data	Constants for the data table, which contains data points tied to a raw contact.
ContactsContract.Groups	Constants for the groups table.
ContactsContract.Intents	Contains helper classes used to create or manage `Intents` that involve contacts.
ContactsContract.Intents.Insert	Convenience class that contains string constants used to create contact `Intents`.
ContactsContract.PhoneLookup	A table that represents the result of looking up a phone number, for example for caller ID.
ContactsContract.QuickContact	Helper methods to display QuickContact dialogs that allow users to pivot on a specific `Contacts` entry.
ContactsContract.RawContacts	Constants for the raw contacts table, which contains the base contact information per sync source.
ContactsContract.RawContacts.Data	A sub-directory of a single raw contact that contains all of their `ContactsContract.Contacts.Data` rows.
ContactsContract.RawContacts.Entity	A sub-directory of a single raw contact that contains all of their `ContactsContract.Contacts.Data` rows.
ContactsContract.RawContactsEntity	Constants for the raw contacts entities table, which can be though of as an outer join of the raw_contacts table with the data table.
ContactsContract.Settings	Contacts-specific settings for various `Account`.
ContactsContract.StatusUpdates	A status update is linked to a `ContactsContract.Contacts.Data` row and captures the user's latest status update via the corresponding source, e.g.
ContactsContract.SyncState	A table provided for sync adapters to use for storing private sync state data.
ContentHandler	This class converts the content of a certain format (i.e.
ContentObserver	Receives call backs for changes to content.
ContentProvider	Content providers are one of the primary building blocks of Android applications, providing content to applications.
ContentProviderClient	The public interface object used to interact with a `ContentProvider`.
ContentProviderOperation
ContentProviderOperation.Builder	Used to add parameters to a `ContentProviderOperation`.
ContentProviderResult	Contains the result of the application of a `ContentProviderOperation`.
ContentResolver	This class provides applications access to the content model.
ContentUris	Utility methods useful for working with content `Uri`s, those with a "content" scheme.
ContentValues	This class is used to store a set of values that the `ContentResolver` can process.
Context	Interface to global information about an application environment.
CookieHandler	This class provides a way to manage cookies with a HTTP protocol handler.
CookieIdentityComparator	This cookie comparator can be used to compare identity of cookies.
CookieManager	CookieManager manages cookies according to RFC2109 spec.
CookieOrigin	CookieOrigin class incapsulates details of an origin server that are relevant when parsing, validating or matching HTTP cookies.
CookiePathComparator	This cookie comparator ensures that multiple cookies satisfying a common criteria are ordered in the `Cookie` header such that those with more specific Path attributes precede those with less specific.
CookiePolicy
CookieSpecRegistry	Cookie specification registry that can be used to obtain the corresponding cookie specification implementation for a given type of type or version of cookie.
CookieSyncManager	The CookieSyncManager is used to synchronize the browser cookie store between RAM and permanent storage.
CopyOnWriteArrayList<E>	A thread-safe variant of `ArrayList` in which all mutative operations (`add`, `set`, and so on) are implemented by making a fresh copy of the underlying array.
CountDownLatch	A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.
CountDownTimer	Schedule a countdown until a time in the future, with regular notifications on intervals along the way.
Criteria	A class indicating the application criteria for selecting a location provider.
Currency	This class represents a currency as identified in the ISO 4217 currency codes.
CursorJoiner	Does a join on two cursors using the specified columns.
CursorWrapper	Wrapper class for Cursor that delegates all calls to the actual cursor object
CycleInterpolator	Repeats the animation for a specified number of cycles.
CyclicBarrier	A synchronization aid that allows a set of threads to all wait for each other to reach a common barrier point.
DESKeySpec	The key specification for a DES key.
DESedeKeySpec	The key specification for a triple-DES (DES-EDE) key.
DHGenParameterSpec	The algorithm parameter specification for generating Diffie-Hellman parameters used in Diffie-Hellman key agreement.
DHParameterSpec	The algorithm parameter specification for the Diffie-Hellman algorithm.
DHPrivateKeySpec	The key specification for a Diffie-Hellman private key.
DHPublicKeySpec	The key specification for a Diffie-Hellman public key.
DSAParameterSpec	The parameter specification used with the Digital Signature Algorithm (DSA).
DSAPrivateKeySpec	The parameters specifying a DSA private key.
DSAPublicKeySpec	The parameters specifying a DSA public key.
DataSetObserver	Receives call backs when a data set has been changed, or made invalid.
DatabaseUtils	Static utility methods for dealing with databases and `Cursor`s.
DatabaseUtils.InsertHelper	This class allows users to do multiple inserts into a table but compile the SQL insert statement only once, which may increase performance.
DatagramPacket	This class represents a datagram packet which contains data either to be sent or received through a `DatagramSocket`.
DatagramSocket	This class implements a UDP socket for sending and receiving `DatagramPacket`.
DatagramSocketImpl	The abstract superclass for datagram and multicast socket implementations.
Date	`Date` represents a specific moment in time, to the millisecond.
DateFormat	Utility class for producing strings with formatted date/time.
DateFormatSymbols	Encapsulates localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data.
DateSorter	Sorts dates into the following groups: Today Yesterday five days ago one month ago older than a month ago
DateUtils	A utility class for parsing and formatting HTTP dates as used in cookies and other headers.
Debug	Provides various debugging functions for Android applications, including tracing and allocation counts.
Debug.InstructionCount	API for gathering and querying instruction counts.
Debug.MemoryInfo	This class is used to retrieved various statistics about the memory mappings for this process.
DebugUtils	Various utilities for debugging and logging.
DecelerateInterpolator	An interpolator where the rate of change starts out quickly and and then decelerates.
DecimalFormatSymbols	Encapsulates the set of symbols (such as the decimal separator, the grouping separator, and so on) needed by `DecimalFormat` to format numbers.
DefaultClientConnectionOperator	Default implementation of a `ClientConnectionOperator`.
DefaultConnectionKeepAliveStrategy	Default implementation of a strategy deciding duration that a connection can remain idle.
DefaultConnectionReuseStrategy	Default implementation of a strategy deciding about connection re-use.
DefaultHandler	Default base class for SAX2 event handlers.
DefaultHttpRequestFactory	Default implementation of a factory for creating request objects.
DefaultHttpRequestRetryHandler	The default `HttpRequestRetryHandler` used by request executors.
DefaultHttpResponseFactory	Default implementation of a factory for creating response objects.
DefaultHttpRoutePlanner	Default implementation of an `HttpRoutePlanner`.
DefaultRedirectHandler	Default implementation of `RedirectHandler`.
DefaultRequestDirector	Default implementation of `RequestDirector`.
DefaultUserTokenHandler
DefaultedHttpContext	`HttpContext` implementation that delegates resolution of an attribute to the given default `HttpContext` instance if the attribute is not present in the local one.
Deflater	This class compresses data using the DEFLATE algorithm (see specification).
DexFile	Manipulates DEX files.
DhcpInfo	A simple object for retrieving the results of a DHCP request.
Dialog	Base class for Dialogs.
Dictionary<K, V>	Note: Do not use this class since it is obsolete.
DigestSchemeFactory
Display
DisplayMetrics	A structure describing general information about a display, such as its size, density, and font scaling.
DocumentBuilder	Defines a bridge from XML sources (files, stream etc.) to DOM trees.
DocumentBuilderFactory	Provides a factory for `DocumentBuilder` instances.
DrawFilter	A DrawFilter subclass can be installed in a Canvas.
Drawable	A Drawable is a general abstraction for "something that can be drawn." Most often you will deal with Drawable as the type of resource retrieved for drawing things to the screen; the Drawable class provides a generic API for dealing with an underlying visual resource that may take a variety of forms.
Drawable.ConstantState
DrawableMarginSpan
Driver	SAX2 Driver that pulls events from XmlPullParser and comverts them into SAX2 callbacks.
DriverManager	Provides facilities for managing JDBC drivers.
DriverPropertyInfo	A class holding information about driver properties of a database connection.
ECFieldF2m	The parameters specifying a characteristic 2 finite field of an elliptic curve.
ECFieldFp	The parameters specifying a prime finite field of an elliptic curve.
ECGenParameterSpec	The parameter specification used to generate elliptic curve domain parameters.
ECParameterSpec	The parameter specification used with Elliptic Curve Cryptography (ECC).
ECPoint	A Point on an Elliptic Curve in barycentric (or affine) coordinates.
ECPrivateKeySpec	The parameters specifying an Elliptic Curve (EC) private key.
ECPublicKeySpec	The parameters specifying an Elliptic Curve (EC) public key.
EGLConfig
EGLContext
EGLDisplay
EGLSurface
Editable.Factory	Factory used by TextView to create new Editables.
EditorInfo	An EditorInfo describes several attributes of a text editing object that an input method is communicating with (typically an EditText), most importantly the type of text content it contains.
Element	An XML element.
EllipticCurve	An Elliptic Curve with its necessary values.
EncodedKeySpec	The abstract key specification for a public or a private key in encoded format.
EncodingUtils	The home for utility methods that handle various encoding tasks.
EncryptedPrivateKeyInfo	This class implements the `EncryptedPrivateKeyInfo` ASN.1 type as specified in PKCS #8 - Private-Key Information Syntax Standard.
EnglishReasonPhraseCatalog	English reason phrases for HTTP status codes.
EntityDeserializer	Default implementation of an entity deserializer.
EntitySerializer	Default implementation of an entity serializer.
EntityUtils	Static helpers for dealing with `entities`.
Enum<E extends Enum<E>>	The superclass of all enumerated types.
Environment	Provides access to environment variables.
ErrorManager	An error reporting facility for `Handler` implementations to record any error that may happen during logging.
EventListenerProxy	This abstract class provides a simple wrapper for objects of type `EventListener`.
EventLogTags	Parsed representation of /etc/event-log-tags.
EventLogTags.Description
EventObject	`EventObject`s represent events.
ExceptionUtils	The home for utility methods that handle various exception-related tasks.
Exchanger<V>	A synchronization point at which threads can pair and swap elements within pairs.
ExecutorCompletionService<V>	A `CompletionService` that uses a supplied `Executor` to execute tasks.
Executors	Factory and utility methods for `Executor`, `ExecutorService`, `ScheduledExecutorService`, `ThreadFactory`, and `Callable` classes defined in this package.
ExemptionMechanism	This class implements the functionality of an exemption mechanism such as key recovery, key weakening, or key escrow.
ExemptionMechanismSpi	The Service Provider Interface (SPI) definition for the `ExemptionMechanism` class.
ExifInterface	This is a class for reading and writing Exif tags in a JPEG file.
ExpandableListView.ExpandableListContextMenuInfo	Extra menu information specific to an `ExpandableListView` provided to the `onCreateContextMenu(ContextMenu, View, ContextMenuInfo)` callback when a context menu is brought up for this AdapterView.
ExtractedText	Information about text that has been extracted for use by an input method.
ExtractedTextRequest	Description of what an input method would like from an application when extract text from its input editor.
FaceDetector	Identifies the faces of people in a `Bitmap` graphic object.
FaceDetector.Face	A Face contains all the information identifying the location of a face in a bitmap.
FeatureInfo	A single feature that can be requested by an application.
FieldPosition	Identifies fields in formatted strings.
File	An "abstract" representation of a file system entity identified by a pathname.
FileChannel.MapMode	`MapMode` defines file mapping mode constants.
FileDescriptor	The lowest-level representation of a file, device, or socket.
FileLock	A `FileLock` represents a locked region of a file.
FileObserver
Filter	A filter constrains data with a filtering pattern.
Filter.FilterResults	Holds the results of a filtering operation.
FloatMath	Math routines similar to those found in `Math`.
FocusFinder	The algorithm used for finding the next focusable view in a given direction from a view that currently has focus.
Format	The base class for all formats.
FormattableFlags	FormattableFlags are used as a parameter to `formatTo(Formatter, int, int, int)` and change the output format in `Formattable`s.
Formatter	The `Formatter` class is a String-formatting utility that is designed to work like the `printf` function of the C programming language.
FutureTask<V>	A cancellable asynchronous computation.
GLDebugHelper	A helper class for debugging OpenGL ES applications.
GLES10
GLES10Ext
GLES11Ext
GLU	A set of GL utilities inspired by the OpenGL Utility Toolkit.
GLUtils	Utility class to help bridging OpenGL ES and Android APIs.
Geocoder	A class for handling geocoding and reverse geocoding.
GeolocationPermissions	Implements the Java side of GeolocationPermissions.
GeomagneticField	This class is used to estimated estimate magnetic field at a given point on Earth, and in particular, to compute the magnetic declination from true north.
Gesture	A gesture can have a single or multiple strokes
GestureDetector	Detects various gestures and events using the supplied `MotionEvent`s.
GestureDetector.SimpleOnGestureListener	A convenience class to extend when you only want to listen for a subset of all the gestures.
GestureLibraries
GestureLibrary
GesturePoint	A timed point of a gesture stroke
GestureStore	GestureLibrary maintains gesture examples and makes predictions on a new gesture
GestureStroke	A gesture stroke started on a touch down and ended on a touch up.
GpsSatellite	This class represents the current state of a GPS satellite.
GpsStatus	This class represents the current state of the GPS engine.
Gravity	Standard constants and tools for placing an object within a potentially larger container.
GuardedObject	`GuardedObject` controls access to an object, by checking all requests for the object with a `Guard`.
HTTP	Constants and static helpers related to the HTTP protocol.
Handler	A `Handler` object accepts a logging request and exports the desired messages to a target, for example, a file, the console, etc.
HandlerBase	This class is deprecated. This class works with the deprecated `DocumentHandler` interface. It has been replaced by the SAX2 `DefaultHandler` class.
HapticFeedbackConstants	Constants to be used to perform haptic feedback effects via `performHapticFeedback(int)`
HeaderGroup	A class for combining a set of headers.
HeaderViewListAdapter	ListAdapter used when a ListView has header views.
Html	This class processes HTML strings into displayable styled text.
HttpAbstractParamBean
HttpClientParams	An adaptor for accessing HTTP client parameters in `HttpParams`.
HttpConnectionMetricsImpl	Implementation of the metrics interface.
HttpConnectionParams	An adaptor for accessing connection parameters in `HttpParams`.
HttpDateGenerator	Generates a date in the format required by the HTTP protocol.
HttpEntityWrapper	Base class for wrapping entities.
HttpHost	Holds all of the variables needed to describe an HTTP connection to a host.
HttpProtocolParams	This class implements an adaptor around the `HttpParams` interface to simplify manipulation of the HTTP protocol specific parameters.
HttpRequestExecutor	Sends HTTP requests and receives the responses.
HttpRequestHandlerRegistry	Maintains a map of HTTP request handlers keyed by a request URI pattern.
HttpRoute	The route for a request.
HttpService	Minimalistic server-side implementation of an HTTP processor.
HttpTransportMetricsImpl	Default implementation of `HttpTransportMetrics`.
IconMarginSpan
Identity	This class is deprecated. The functionality of this class has been replace by `Principal`, `KeyStore` and the `java.security.cert` package.
IdleConnectionHandler	A helper class for connection managers to track idle connections.
InetAddress	The Internet Protocol (IP) address representation class.
InetAddressUtils	A collection of utilities relating to InetAddresses.
Inflater	This class uncompresses data that was compressed using the DEFLATE algorithm (see specification).
InputBinding	Information given to an `InputMethod` about a client connecting to it.
InputConnectionWrapper	Wrapper class for proxying calls to another InputConnection.
InputFilter.AllCaps	This filter will capitalize all the lower case letters that are added through edits.
InputFilter.LengthFilter	This filter will constrain edits not to make the length of the text greater than the specified length.
InputMethodInfo	This class is used to specify meta information of an input method.
InputMethodManager	Central system API to the overall input method framework (IMF) architecture, which arbitrates interaction between applications and the current input method.
InputMethodService.Insets	Information about where interesting parts of the input method UI appear.
InputSource	A single input source for an XML entity.
InputStream	The base class for all input streams.
Instrumentation	Base class for implementing application instrumentation code.
Instrumentation.ActivityMonitor	Information about a particular kind of Intent that is being monitored.
Instrumentation.ActivityResult	Description of a Activity execution result to return to the original activity.
Intent	An intent is an abstract description of an operation to be performed.
Intent.FilterComparison	Wrapper class holding an Intent and implementing comparisons on it for the purpose of filtering.
Intent.ShortcutIconResource	Represents a shortcut/live folder icon resource.
IntentFilter	Structured description of Intent values to be matched.
IntentFilter.AuthorityEntry	This is an entry for a single authority in the Iterator returned by `authoritiesIterator()`.
IntentSender	A description of an Intent and target action to perform with it.
Interpolator
IvParameterSpec	The algorithm parameter specification for an initialization vector.
JSONArray	A JSONArray is an ordered sequence of values.
JSONObject	A JSONObject is an unordered collection of name/value pairs.
JSONStringer	JSONStringer provides a quick and convenient way of producing JSON text.
JSONTokener	A JSONTokener takes a source string and extracts characters and tokens from it.
JetPlayer	JetPlayer provides access to JET content playback and control.
JsResult
KeyAgreement	This class provides the functionality for a key exchange protocol.
KeyAgreementSpi	The Service Provider Interface (SPI) definition for the `KeyAgreement` class.
KeyCharacterMap
KeyCharacterMap.KeyData
KeyEvent	Contains constants for key events.
KeyEvent.DispatcherState	Use with `dispatch(Callback, DispatcherState, Object)` for more advanced key dispatching, such as long presses.
KeyFactory	`KeyFactory` is an engine class that can be used to translate between public and private key objects and convert keys between their external representation, that can be easily transported and their internal representation.
KeyFactorySpi	`KeyFactorySpi` is the Service Provider Interface (SPI) definition for `KeyFactory`.
KeyGenerator	This class provides the public API for generating symmetric cryptographic keys.
KeyGeneratorSpi	The Service Provider Interface (SPI) definition for the `KeyGenerator` class.
KeyManagerFactory	The public API for `KeyManagerFactory` implementations.
KeyManagerFactorySpi	The Service Provider Interface (SPI) for the `KeyManagerFactory` class.
KeyPair	`KeyPair` is a container for a public key and a private key.
KeyPairGeneratorSpi	`KeyPairGeneratorSpi` is the Service Provider Interface (SPI) definition for `KeyPairGenerator`.
KeyRep	`KeyRep` is a standardized representation for serialized `Key` objects.
KeyStore	`KeyStore` is responsible for maintaining cryptographic keys and their owners.
KeyStore.Builder	`Builder` is used to construct new instances of `KeyStore`.
KeyStore.CallbackHandlerProtection	`CallbackHandlerProtection` is a `ProtectionParameter` that encapsulates a `CallbackHandler`.
KeyStore.PasswordProtection	`PasswordProtection` is a `ProtectionParameter` that protects a `KeyStore` using a password.
KeyStore.PrivateKeyEntry	`PrivateKeyEntry` represents a `KeyStore` entry that holds a private key.
KeyStore.SecretKeyEntry	`SecretKeyEntry` represents a `KeyStore` entry that holds a secret key.
KeyStore.TrustedCertificateEntry	`TrustedCertificateEntry` represents a `KeyStore` entry that holds a trusted certificate.
KeyStoreBuilderParameters	The parameters for `KeyManager`s.
KeyStoreSpi	`KeyStoreSpi` is the Service Provider Interface (SPI) definition for `KeyStore`.
Keyboard	Loads an XML description of a keyboard and stores the attributes of the keys.
Keyboard.Key	Class for describing the position and characteristics of a single key in the keyboard.
Keyboard.Row	Container for keys in the keyboard.
KeyguardManager	Class that can be used to lock and unlock the keyboard.
KeyguardManager.KeyguardLock	Handle returned by `newKeyguardLock(String)` that allows you to disable / reenable the keyguard.
LDAPCertStoreParameters	The parameters to initialize a LDAP `CertStore` instance.
LangUtils	A set of utility methods to help produce consistent `equals` and `hashCode` methods.
LauncherActivity.IconResizer	Utility class to resize icons to match default icon size.
LauncherActivity.ListItem	An item in the list
LaxContentLengthStrategy	The lax implementation of the content length strategy.
Layout	A base class that manages text layout in visual elements on the screen.
Layout.Directions	Stores information about bidirectional (left-to-right or right-to-left) text within the layout of a line.
LayoutAnimationController	A layout animation controller is used to animated a layout's, or a view group's, children.
LayoutAnimationController.AnimationParameters	The set of parameters that has to be attached to each view contained in the view group animated by the layout animation controller.
LayoutInflater	This class is used to instantiate layout XML file into its corresponding View objects.
LeadingMarginSpan.Standard
Level	`Level` objects are used to indicate the level of logging.
LinearInterpolator	An interpolator where the rate of change is constant
Linkify	Linkify take a piece of text and a regular expression and turns all of the regex matches in the text into clickable links.
ListView.FixedViewInfo	A class that represents a fixed view in a list, for example a header at the top or a footer at the bottom.
LiveFolders	A LiveFolder is a special folder whose content is provided by a `ContentProvider`.
LocalActivityManager	Helper class for managing multiple running embedded activities in the same process.
LocalServerSocket	non-standard class for creating inbound UNIX-domain socket on the Android platform, this is created in the Linux non-filesystem namespace.
LocalSocket	Creates a (non-server) socket in the UNIX-domain namespace.
LocalSocketAddress	A UNIX-domain (AF_LOCAL) socket address.
Locale	`Locale` represents a language/country/variant combination.
Location	A class representing a geographic location sensed at a particular time (a "fix").
LocationManager	This class provides access to the system location services.
LocationProvider	An abstract superclass for location providers.
LocatorImpl	Provide an optional convenience implementation of Locator.
LockSupport	Basic thread blocking primitives for creating locks and other synchronization classes.
Log	API for sending log output.
LogManager	`LogManager` is used to maintain configuration properties of the logging framework, and to manage a hierarchical namespace of all named `Logger` objects.
LogPrinter	Implementation of a `Printer` that sends its output to the system log.
LogRecord	A `LogRecord` object represents a logging request.
Logger	Loggers are used to log records to certain outputs, including file, console, etc.
LoggingSessionInputBuffer	Logs all data read to the wire LOG.
LoggingSessionOutputBuffer	Logs all data written to the wire LOG.
LoginFilter	Abstract class for filtering login-related text (user names and passwords)
Looper	Class used to run a message loop for a thread.
MGF1ParameterSpec	The parameter specification for the Mask Generation Function (MGF1) in the RSA-PSS Signature and OAEP Padding scheme.
Mac	This class provides the public API for Message Authentication Code (MAC) algorithms.
MacSpi	The Service-Provider Interface (SPI) definition for the `Mac` class.
MailTo	MailTo URL parser This class parses a mailto scheme URL and then can be queried for the parsed parameters.
Manifest
Manifest.permission
Manifest.permission_group
MaskFilter	MaskFilter is the base class for object that perform transformations on an alpha-channel mask before drawing it.
Matcher	Provides a means of matching regular expressions against a given input, finding occurrences of regular expressions in a given input, or replacing parts of a given input.
Math	Class Math provides basic math constants and operations such as trigonometric functions, hyperbolic functions, exponential, logarithms, etc.
MathContext	Immutable objects describing settings such as rounding mode and digit precision for the numerical operations provided by class `BigDecimal`.
Matrix	Matrix math utilities.
MatrixCursor.RowBuilder	Builds a row, starting from the left-most column and adding one column value at a time.
MediaPlayer	MediaPlayer class can be used to control playback of audio/video files and streams.
MediaRecorder	Used to record audio and video.
MediaRecorder.AudioEncoder	Defines the audio encoding.
MediaRecorder.AudioSource	Defines the audio source.
MediaRecorder.OutputFormat	Defines the output format.
MediaRecorder.VideoEncoder	Defines the video encoding.
MediaRecorder.VideoSource	Defines the video source.
MediaScannerConnection	MediaScannerConnection provides a way for applications to pass a newly created or downloaded media file to the media scanner service.
MediaStore	The Media provider contains meta data for all available media on both internal and external storage devices.
MediaStore.Audio	Container for all audio content.
MediaStore.Audio.Albums	Contains artists for audio files
MediaStore.Audio.Artists	Contains artists for audio files
MediaStore.Audio.Artists.Albums	Sub-directory of each artist containing all albums on which a song by the artist appears.
MediaStore.Audio.Genres	Contains all genres for audio files
MediaStore.Audio.Genres.Members	Sub-directory of each genre containing all members.
MediaStore.Audio.Media
MediaStore.Audio.Playlists	Contains playlists for audio files
MediaStore.Audio.Playlists.Members	Sub-directory of each playlist containing all members.
MediaStore.Images	Contains meta data for all available images.
MediaStore.Images.Media
MediaStore.Images.Thumbnails	This class allows developers to query and get two kinds of thumbnails: MINI_KIND: 512 x 384 thumbnail MICRO_KIND: 96 x 96 thumbnail
MediaStore.Video
MediaStore.Video.Media
MediaStore.Video.Thumbnails	This class allows developers to query and get two kinds of thumbnails: MINI_KIND: 512 x 384 thumbnail MICRO_KIND: 96 x 96 thumbnail
MemoryFile	MemoryFile is a wrapper for the Linux ashmem driver.
MenuInflater	This class is used to instantiate menu XML files into Menu objects.
Message	Defines a message containing a description and arbitrary data object that can be sent to a `Handler`.
MessageDigestSpi	`MessageDigestSpi` is the Service Provider Interface (SPI) definition for `MessageDigest`.
MessageQueue	Low-level class holding the list of messages to be dispatched by a `Looper`.
Messenger	Reference to a Handler, which others can use to send messages to it.
MetaKeyKeyListener	This base class encapsulates the behavior for handling the meta keys (shift and alt) and the pseudo-meta state of selecting text.
MimeTypeMap	Two-way map that maps MIME-types to file extensions and vice versa.
MockDialogInterface	A mock `DialogInterface` class.
Modifier	This class provides static methods to decode class and member modifiers.
MonthDisplayHelper	Helps answer common questions that come up when displaying a month in a 6 row calendar grid format.
MoreAsserts	Contains additional assertion methods not found in JUnit.
MotionEvent	Object used to report movement (mouse, pen, finger, trackball) events.
Movie
MultiAutoCompleteTextView.CommaTokenizer	This simple Tokenizer can be used for lists where the items are separated by a comma and one or more spaces.
MultihomePlainSocketFactory	Socket factory that implements a simple multi-home fail-over on connect failure, provided the same hostname resolves to multiple `InetAddress`es.
NTCredentials	`Credentials` specific to the Windows platform.
NTUserPrincipal	NT (MS Windows specific) user principal used for HTTP authentication
NamespaceSupport	Encapsulate Namespace logic for use by applications using SAX, or internally by SAX drivers.
NeighboringCellInfo	Represents the neighboring cell information, including Received Signal Strength and Cell ID location.
NetscapeDraftHeaderParser
NetscapeDraftSpecFactory
NetworkInfo	Describes the status of a network interface of a given type (currently either Mobile or Wifi).
NetworkInterface	This class is used to represent a network interface of the local device.
NinePatch	The NinePatch class permits drawing a bitmap in nine sections.
NoConnectionReuseStrategy	A strategy that never re-uses a connection.
NoCopySpan.Concrete	Convenience equivalent for when you would just want a new Object() for a span but want it to be no-copy.
Notification	A class that represents how a persistent notification is to be presented to the user using the `NotificationManager`.
NotificationManager	Class to notify the user of events that happen. This is how you tell the user that something has happened in the background.
Number	The abstract superclass of the classes which represent numeric base types (that is `Byte`, `Short`, `Integer`, `Long`, `Float`, and `Double`.
NumericShaper	The Class NumericShaper provides methods to convert latin character codes to unicode character codes.
OAEPParameterSpec	The algorithm parameter specification for the OAEP Padding algorithm.
ObjectInputStream.GetField	GetField is an inner class that provides access to the persistent fields read from the source stream.
ObjectOutputStream.PutField	PutField is an inner class to provide access to the persistent fields that are written to the target stream.
ObjectStreamClass	Represents a descriptor for identifying a class during serialization and deserialization.
ObjectStreamField	Describes a field for the purpose of serialization.
Observable	Observable is used to notify a group of Observer objects when a change occurs.
OrientationEventListener	Helper class for receiving notifications from the SensorManager when the orientation of the device has changed.
OrientationListener	This class is deprecated. use `OrientationEventListener` instead. This class internally uses the OrientationEventListener.
OrientedBoundingBox	An oriented bounding box
OutputStream	The base class for all output streams.
OvershootInterpolator	An interpolator where the change flings forward and overshoots the last value then comes back.
PBEKeySpec	The key specification for a password based encryption key.
PBEParameterSpec	The algorithm parameter specification for a password based encryption algorithm.
PKIXCertPathChecker	The class specifying the interface to extend the certification path validation algorithm by checks to perform on an `X509Certificate`.
PKIXCertPathValidatorResult	The implementation of the result of the PKIX certification path validation.
PKIXParameters	This class implements the parameters for the `PKIX CertPathValidator`.
PSSParameterSpec	The parameter specification for the RSA-PSS Signature scheme.
PSource	The source of the label `L` as specified in PKCS #1.
Pack200	Class factory for `Pack200.Packer` and `Pack200.Unpacker`.
Package	Contains information about a Java package.
PackageInfo	Overall information about the contents of a package.
PackageItemInfo	Base class containing information common to all package items held by the package manager.
PackageItemInfo.DisplayNameComparator
PackageManager	Class for retrieving various kinds of information related to the application packages that are currently installed on the device.
PackageStats	implementation of PackageStats associated with a application package.
Paint	The Paint class holds the style and color information about how to draw geometries, text and bitmaps.
Paint.FontMetrics	Class that describes the various metrics for a font at a given text size.
Paint.FontMetricsInt	Convenience method for callers that want to have FontMetrics values as integers.
Pair<F, S>	Container to ease passing around a tuple of two objects.
Parcel	Container for a message (data and object references) that can be sent through an IBinder.
ParcelFileDescriptor	The FileDescriptor returned by `readFileDescriptor()`, allowing you to close it when done with it.
ParcelUuid	This class is a Parcelable wrapper around `UUID` which is an immutable representation of a 128-bit universally unique identifier.
ParsePosition	Tracks the current position in a parsed string.
ParserAdapter	Adapt a SAX1 Parser as a SAX2 XMLReader.
ParserCursor	This class represents a context of a parsing operation: the current position the parsing operation is expected to start at the bounds limiting the scope of the parsing operation
ParserFactory	This class is deprecated. This class works with the deprecated `Parser` interface.
PasswordAuthentication	This immutable class is a data structure that encapsulates username and password which is used by the `Authenticator` class.
PasswordCallback	Is used in conjunction with a `CallbackHandler` to retrieve a password when needed.
PasswordTransformationMethod
Path	The Path class encapsulates compound (multiple contour) geometric paths consisting of straight line segments, quadratic curves, and cubic curves.
PathEffect	PathEffect is the base class for objects in the Paint that affect the geometry of a drawing primitive before it is transformed by the canvas' matrix and drawn.
PathMeasure
Pattern	Represents a pattern used for matching, searching, or replacing strings.
PatternMatcher	A simple pattern matcher, which is safe to use on untrusted data: it does not provide full reg-exp support, only simple globbing that can not be used maliciously.
PendingIntent	A description of an Intent and target action to perform with it.
Permission	`Permission` is the common base class of all permissions that participate in the access control security framework around `AccessController` and `AccessControlContext`.
PermissionCollection	`PermissionCollection` is the common base class for all collections that provide a convenient method for determining whether or not a given permission is implied by any of the permissions present in this collection.
PhoneNumberFormattingTextWatcher	Watches a `TextView` and if a phone number is entered will format it using `formatNumber(Editable, int)`.
PhoneNumberUtils	Various utilities for dealing with phone number strings.
PhoneStateListener	A listener class for monitoring changes in specific telephony states on the device, including service state, signal strength, message waiting indicator (voicemail), and others.
Picture	A picture records drawing calls (via the canvas returned by beginRecording) and can then play them back (via picture.draw(canvas) or canvas.drawPicture).
Pipe	A pipe contains two channels.
PixelFormat
PlainSocketFactory	The default class for creating sockets.
Plugin	This class is deprecated. This interface was intended to be used by Gears. Since Gears was deprecated, so is this class.
PluginData	This class is deprecated. This class was intended to be used by Gears. Since Gears was deprecated, so is this class.
PluginList	This class is deprecated. This interface was intended to be used by Gears. Since Gears was deprecated, so is this class.
Point	Point holds two integer coordinates
PointF	PointF holds two float coordinates
Policy	`Policy` is the common super type of classes which represent a system security policy.
PolicyQualifierInfo	This class implements a policy qualifier as defined by the ASN.1 `PolicyQualifierInfo` structure.
PopupWindow	A popup window that can be used to display an arbitrary view.
PorterDuff
PowerManager	This class gives you control of the power state of the device.
PowerManager.WakeLock	Class lets you say that you need to have the device on.
Prediction
Preference	Represents the basic Preference UI building block displayed by a `PreferenceActivity` in the form of a `ListView`.
PreferenceManager	Used to help create `Preference` hierarchies from activities or XML.
Preferences	An instance of the class `Preferences` represents one node in a preference tree, which provides a mechanism to store and access configuration data in a hierarchical way.
PrintStreamPrinter	Implementation of a `Printer` that sends its output to a `PrintStream`.
PrintWriterPrinter	Implementation of a `Printer` that sends its output to a `PrintWriter`.
Process	Represents an external process.
ProcessBuilder	Creates operating system processes.
PropertyChangeSupport	This utility class
ProtectionDomain	`ProtectionDomain` represents all permissions that are granted to a specific code source.
ProtocolVersion	Represents a protocol version, as specified in RFC 2616.
Provider.Service	`Service` represents a service in the Java Security infrastructure.
Proxy	This class represents proxy server settings.
ProxySelector	Selects an applicable proxy server when connecting to a resource specified by a URL.
ProxySelectorRoutePlanner	Default implementation of an `HttpRoutePlanner`.
QuoteSpan
RC2ParameterSpec	The algorithm parameter specification for the RC2 algorithm.
RC5ParameterSpec	The algorithm parameter specification for the RC5 algorithm.
RFC2109DomainHandler
RFC2109SpecFactory
RFC2965CommentUrlAttributeHandler	`"CommantURL"` cookie attribute handler for RFC 2965 cookie spec.
RFC2965DiscardAttributeHandler	`"Discard"` cookie attribute handler for RFC 2965 cookie spec.
RFC2965DomainAttributeHandler	`"Domain"` cookie attribute handler for RFC 2965 cookie spec.
RFC2965PortAttributeHandler	`"Port"` cookie attribute handler for RFC 2965 cookie spec.
RFC2965SpecFactory
RFC2965VersionAttributeHandler	`"Version"` cookie attribute handler for RFC 2965 cookie spec.
RSAKeyGenParameterSpec	The parameter specification for generating an RSA key pair.
RSAOtherPrimeInfo	The additional prime information specified as triplet of primes, a prime exponent, and a Chinese Remainder Theorem (CRT) coefficient.
RSAPrivateKeySpec	The key specification of a RSA private key.
RSAPublicKeySpec	The key specification of a RSA public key.
Random	This class provides methods that generates pseudo-random numbers of different types, such as `int`, `long`, `double`, and `float`.
RandomAccessFile	Allows reading from and writing to a file in a random-access manner.
Rasterizer
Reader	The base class for all readers.
RecognizerIntent	Constants for supporting speech recognition through starting an `Intent`
Rect	Rect holds four integer coordinates for a rectangle.
RectF	RectF holds four float coordinates for a rectangle.
RedirectLocations	A collection of URIs that were used as redirects.
ReentrantLock	A reentrant mutual exclusion `Lock` with the same basic behavior and semantics as the implicit monitor lock accessed using `synchronized` methods and statements, but with extended capabilities.
ReentrantReadWriteLock	An implementation of `ReadWriteLock` supporting similar semantics to `ReentrantLock`.
ReentrantReadWriteLock.ReadLock	The lock returned by method `readLock()`.
ReentrantReadWriteLock.WriteLock	The lock returned by method `writeLock()`.
RefQueueWorker	A worker thread for processing queued references.
Reference<T>	Provides an abstract class which describes behavior common to all reference objects.
ReferenceQueue<T>	The `ReferenceQueue` is the container on which reference objects are enqueued when the garbage collector detects the reachability type specified for the referent.
Region
RegionIterator
RemoteCallbackList<E extends IInterface>	Takes care of the grunt work of maintaining a list of remote interfaces, typically for the use of performing callbacks from a `Service` to its clients.
RemoteViews	A class that describes a view hierarchy that can be displayed in another process.
ReplacementTransformationMethod	This transformation method causes the characters in the `getOriginal()` array to be replaced by the corresponding characters in the `getReplacement()` array.
RequestAddCookies	Request interceptor that matches cookies available in the current `CookieStore` to the request being executed and generates corresponding cookierequest headers.
RequestConnControl	A request interceptor that suggests connection keep-alive to the server.
RequestContent	A request interceptor that decides about the transport encoding.
RequestDate	A request interceptor that adds a Date header.
RequestDefaultHeaders	Request interceptor that adds default request headers.
RequestExpectContinue	A request interceptor that enables the expect-continue handshake.
RequestProxyAuthentication
RequestTargetAuthentication
RequestTargetHost	A request interceptor that sets the Host header for HTTP/1.1 requests.
RequestUserAgent	A request interceptor that adds a User-Agent header.
ResolveInfo	Information that is returned from resolving an intent against an IntentFilter.
ResolveInfo.DisplayNameComparator
ResourceBundle	`ResourceBundle` is an abstract class which is the superclass of classes which provide `Locale`-specific resources.
Resources	Class for accessing an application's resources.
Resources.Theme	This class holds the current attribute values for a particular theme.
ResponseCache	This class is an implementation of `URLConnection` caches intended primarily for the according stream handler implementations.
ResponseConnControl	A response interceptor that suggests connection keep-alive to the client.
ResponseContent	A response interceptor that sets up entity-related headers.
ResponseDate	A response interceptor that adds a Date header.
ResponseProcessCookies	Response interceptor that populates the current `CookieStore` with data contained in response cookies received in the given the HTTP response.
ResponseServer	A response interceptor that adds a Server header.
ResultReceiver	Generic interface for receiving a callback result from someone.
Rfc822Token	This class stores an RFC 822-like name, address, and comment, and provides methods to convert them to quoted strings.
Rfc822Tokenizer	This class works as a Tokenizer for MultiAutoCompleteTextView for address list fields, and also provides a method for converting a string of addresses (such as might be typed into such a field) into a series of Rfc822Tokens.
Ringtone	Ringtone provides a quick method for playing a ringtone, notification, or other similar types of sounds.
RingtoneManager	RingtoneManager provides access to ringtones, notification, and other types of sounds.
RouteSpecificPool	A connection sub-pool for a specific route, used by `ConnPoolByRoute`.
RouteTracker	Helps tracking the steps in establishing a route.
RoutedRequest	A request with the route along which it should be sent.
Runtime	Allows Java applications to interface with the environment in which they are running.
SAXParser	Provides a wrapper around a SAX `XMLReader`.
SAXParserFactory	Provides a factory for `SAXParser` instances.
SQLiteClosable	An object create from a SQLiteDatabase that can be closed.
SQLiteOpenHelper	A helper class to manage database creation and version management.
SQLiteQueryBuilder	This is a convience class that helps build SQL queries to be sent to `SQLiteDatabase` objects.
SSLContext	The public API for secure socket protocol implementations.
SSLContextSpi	The Service Provider Interface (SPI) for the `SSLContext` class.
SSLEngine	The abstract implementation of secure communications using SSL, TLS, or other protocols.
SSLEngineResult	The result object describing the state of the `SSLEngine` produced by the `wrap()` and `unwrap()` operations.
SSLSocketFactory	Layered socket factory for TLS/SSL connections, based on JSSE.
ScanResult	Describes information about a detected access point.
Scanner	A parser that parses a text string of primitive types and strings with the help of regular expressions.
Scheme	Encapsulates specifics of a protocol scheme such as "http" or "https".
SchemeRegistry	A set of supported protocol `schemes`.
Scroller	This class encapsulates scrolling.
ScrollingMovementMethod
SealedObject	A `SealedObject` is a wrapper around a `serializable` object instance and encrypts it using a cryptographic cipher.
SearchManager	This class provides access to the system search services.
SearchRecentSuggestions	This is a utility class providing access to `SearchRecentSuggestionsProvider`.
SecretKeyFactory	The public API for `SecretKeyFactory` implementations.
SecretKeyFactorySpi	The Service Provider Interface (SPI) definition for the `SecretKeyFactory` class.
SecretKeySpec	A key specification for a `SecretKey` and also a secret key implementation that is provider-independent.
SecureRandomSpi	`SecureRandomSpi` is the Service Provider Interface (SPI) definition for `SecureRandom`.
Security	`Security` is the central class in the Java Security API.
SecurityManager	Provides security verification facilities for applications.
Selection	Utility class for manipulating cursors and selections in CharSequences.
SelectionKey	A `SelectionKey` represents the relationship between a channel and a selector for which the channel is registered.
Selector	A controller for the selection of `SelectableChannel` objects.
SelectorProvider	`SelectorProvider` is an abstract base class that declares methods for providing instances of `DatagramChannel`, `Pipe`, `Selector` , `ServerSocketChannel`, and `SocketChannel`.
Semaphore	A counting semaphore.
Sensor	Class representing a sensor.
SensorEvent	This class represents a sensor event and holds informations such as the sensor type (eg: accelerometer, orientation, etc...), the time-stamp, accuracy and of course the sensor's `data`.
SensorManager	Class that lets you access the device's sensors.
ServerSocket	This class represents a server-side socket that waits for incoming client connections.
ServerSocketFactory	This abstract class defines methods to create server sockets.
ServiceState	Contains phone state and service related information.
Settings	The Settings provider contains global system-level device preferences.
Settings.NameValueTable	Common base for tables of name/value settings.
Shader	Shader is the based class for objects that return horizontal spans of colors during drawing.
Shape	Defines a generic graphical "shape." Any Shape can be drawn to a Canvas with its own draw() method, but more graphical control is available if you instead pass it to a `ShapeDrawable`.
ShapeDrawable.ShaderFactory	Base class defines a factory object that is called each time the drawable is resized (has a new width or height).
Signature	Opaque, immutable representation of a signature associated with an application package.
SignatureSpi	`SignatureSpi` is the Service Provider Interface (SPI) definition for `Signature`.
SignedObject	A `SignedObject` instance acts as a container for another object.
SingleClientConnManager	A connection "manager" for a single connection.
SmsManager	This class is deprecated. Replaced by android.telephony.SmsManager that supports both GSM and CDMA.
SmsMessage	This class is deprecated. Replaced by android.telephony.SmsMessage that supports both GSM and CDMA.
SmsMessage.SubmitPdu	This class is deprecated. Use android.telephony.SmsMessage.
Socket	Provides a client-side TCP socket.
SocketAddress	This abstract class represents a protocol-independent base for socket-endpoint representing classes.
SocketFactory	This abstract class defines methods to create sockets.
SocketImpl	This class is the base of all streaming socket implementation classes.
SoundEffectConstants	Constants to be used to play sound effects via `playSoundEffect(int)`
SoundPool	The SoundPool class manages and plays audio resources for applications.
Spannable.Factory	Factory used by TextView to create new Spannables.
SpannableString	This is the class for text whose content is immutable but to which markup objects can be attached and detached.
SpannableStringBuilder	This is the class for text whose content and markup can both be changed.
SpannedString	This is the class for text whose content and markup are immutable.
SparseArray<E>	SparseArrays map integers to Objects.
SparseBooleanArray	SparseBooleanArrays map integers to booleans.
SparseIntArray	SparseIntArrays map integers to integers.
SslCertificate	SSL certificate info (certificate details) class
SslCertificate.DName	A distinguished name helper class: a 3-tuple of: - common name (CN), - organization (O), - organizational unit (OU)
StackTraceElement	A representation of a single stack frame.
StatFs	Retrieve overall information about the space on a filesystem.
StateSet	State sets are arrays of positive ints where each element represents the state of a `View` (e.g.
StreamTokenizer	Parses a stream into a set of defined tokens, one at a time.
StrictContentLengthStrategy	The strict implementation of the content length strategy.
StrictMath	Class StrictMath provides basic math constants and operations such as trigonometric functions, hyperbolic functions, exponential, logarithms, etc.
String	An immutable sequence of characters/code units (`char`s).
StringBuffer	StringBuffer is a variable size contiguous indexable array of characters.
StringBuilder	A modifiable `sequence of characters` for use in creating and modifying Strings.
StringBuilderPrinter	Implementation of a `Printer` that sends its output to a `StringBuilder`.
StringCharacterIterator	An implementation of `CharacterIterator` for strings.
StringTokenizer	The `StringTokenizer` class allows an application to break a string into tokens by performing code point comparison.
Subject	The central class of the `javax.security.auth` package representing an authenticated user or entity (both referred to as "subject").
SubjectDomainCombiner	Merges permissions based on code source and code signers with permissions granted to the specified `Subject`.
Surface	Handle on to a raw buffer that is being managed by the screen compositor.
SyncAdapterType	Value type that represents a SyncAdapterType.
SyncContext
SyncResult	This class is used to store information about the result of a sync
SyncStateContract	The ContentProvider contract for associating data with ana data array account.
SyncStateContract.Constants
SyncStateContract.Helpers
System	Provides access to system-related information and resources including standard input and output.
SystemClock	Core timekeeping facilities.
TabHost.TabSpec	A tab has a tab indicator, content, and a tag that is used to keep track of it.
TabStopSpan.Standard
TelephonyManager	Provides access to information about the telephony services on the device.
TemporaryDirectory	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.
TestFailure	A `TestFailure` collects a failed test together with the caught exception.
TestMethod	Represents a test to be run.
TestResult	A `TestResult` collects the results of executing a test case.
TestSuite	A `TestSuite` is a `Composite` of Tests.
TestSuiteBuilder	Build suites based on a combination of included packages, excluded packages, and predicates that must be satisfied.
TextToSpeech	Synthesizes speech from text for immediate playback or to create a sound file.
TextToSpeech.Engine	Internal constants for the TextToSpeech functionality
TextUtils
TextUtils.SimpleStringSplitter	A simple string splitter.
Thread	A `Thread` is a concurrent unit of execution.
ThreadGroup	A `ThreadGroup` is a means of organizing `Thread`s into a hierarchical structure.
ThreadLocal<T>	Implements a thread-local storage, that is, a variable for which each thread has its own value.
ThreadPoolExecutor.AbortPolicy	A handler for rejected tasks that throws a `RejectedExecutionException`.
ThreadPoolExecutor.CallerRunsPolicy	A handler for rejected tasks that runs the rejected task directly in the calling thread of the `execute` method, unless the executor has been shut down, in which case the task is discarded.
ThreadPoolExecutor.DiscardOldestPolicy	A handler for rejected tasks that discards the oldest unhandled request and then retries `execute`, unless the executor is shut down, in which case the task is discarded.
ThreadPoolExecutor.DiscardPolicy	A handler for rejected tasks that silently discards the rejected task.
ThreadSafeClientConnManager	Manages a pool of `client connections`.
Throwable	The superclass of all classes which can be thrown by the virtual machine.
Time	The Time class is a faster replacement for the java.util.Calendar and java.util.GregorianCalendar classes.
TimeUtils	A class containing utility methods related to time zones.
TimeZone	`TimeZone` represents a time zone offset, taking into account daylight savings.
Timer	`Timer`s are used to schedule jobs for execution in a background process.
TimerTask	The `TimerTask` class represents a task to run at a specified time.
Timestamp	`Timestamp` represents a signed time stamp.
TimingLogger	A utility class to help log timings splits throughout a method call.
Toast	A toast is a view containing a quick little message for the user. The toast class helps you create and show those.
TokenWatcher	Helper class that helps you use IBinder objects as reference counted tokens.
ToneGenerator	This class provides methods to play DTMF tones (ITU-T Recommendation Q.23), call supervisory tones (3GPP TS 22.001, CEPT) and proprietary tones (3GPP TS 31.111).
Touch
TouchDelegate	Helper class to handle situations where you want a view to have a larger touch area than its actual view bounds.
TouchDex	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.
TouchUtils	Reusable methods for generating touch events.
Transformation	Defines the transformation to be applied at one point in time of an Animation.
TrustAnchor	This class represents a trust anchor for validation of X.509 certification path.
TrustManagerFactory	The factory for `TrustManager`s based on `KeyStore` or provider specific implementation.
TrustManagerFactorySpi	The Service Provider Interface (SPI) for the `TrustManagerFactory` class.
TypedArray	Container for an array of values that were retrieved with `obtainStyledAttributes(AttributeSet, int[], int, int)` or `obtainAttributes(AttributeSet, int[])`.
TypedValue	Container for a dynamically typed data value.
Typeface	The Typeface class specifies the typeface and intrinsic style of a font.
Types	A class which defines constants used to identify generic SQL types, also called JDBC types.
URI	This class represents an instance of a URI as defined by RFC 2396.
URIUtils	A collection of utilities for `URIs`, to workaround bugs within the class or for ease-of-use features.
URL	A URL instance specifies the location of a resource on the internet as specified by RFC 1738.
URLConnection	Concrete implementations of the abstract `URLConnection` class provide a communication link to a URL for exchanging data with a specific protocol type.
URLDecoder	This class is used to decode a string which is encoded in the `application/x-www-form-urlencoded` MIME content type.
URLEncodedUtils	A collection of utilities for encoding URLs.
URLEncoder	This class is used to encode a string using the format required by `application/x-www-form-urlencoded` MIME content type.
URLStreamHandler	The abstract class `URLStreamHandler` is the base for all classes which can handle the communication with a URL object over a particular protocol type.
URLUtil
UUID	UUID is an immutable representation of a 128-bit universally unique identifier (UUID).
Uri	Immutable URI reference.
Uri.Builder	Helper class for building or manipulating URI references.
UriMatcher	Utility class to aid in matching URIs in content providers.
UriPatternMatcher	Maintains a map of objects keyed by a request URI pattern.
UrlInterceptRegistry	This class is deprecated. This class was intended to be used by Gears. Since Gears was deprecated, so is this class.
UrlQuerySanitizer	Sanitizes the Query portion of a URL.
UrlQuerySanitizer.IllegalCharacterValueSanitizer	Sanitize values based on which characters they contain.
UrlQuerySanitizer.ParameterValuePair	A simple tuple that holds parameter-value pairs.
UserDictionary	A provider of user defined words for input methods to use for predictive text input.
UserDictionary.Words	Contains the user defined words.
UsernamePasswordCredentials	Username and password `Credentials`
VMDebug	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.
VMRuntime	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.
VMStack	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.
VelocityTracker	Helper for tracking the velocity of touch events, for implementing flinging and other such gestures.
Version	This class defines the current version of JUnit
VersionInfo	Provides access to version information for HTTP components.
Vibrator	Class that operates the vibrator on the device.
View	This class represents the basic building block for user interface components.
View.MeasureSpec	A MeasureSpec encapsulates the layout requirements passed from parent to child.
ViewAsserts	Some useful assertions about views.
ViewConfiguration	Contains methods to standard constants used in the UI for timeouts, sizes, and distances.
ViewDebug	Various debugging/tracing tools related to `View` and the view hierarchy.
ViewGroup.LayoutParams	LayoutParams are used by views to tell their parents how they want to be laid out.
ViewTreeObserver	A view tree observer is used to register listeners that can be notified of global changes in the view tree.
Visibility	A collection of utility methods for computing the visibility of triangle meshes.
Void	Placeholder class for the Java keyword `void`.
WaitingThread	Represents a thread waiting for a connection.
WaitingThreadAborter	A simple class that can interrupt a `WaitingThread`.
WallpaperManager	Provides access to the system wallpaper.
WebBackForwardList	This class contains the back/forward list for a WebView.
WebChromeClient
WebHistoryItem	A convenience class for accessing fields in an entry in the back/forward list of a WebView.
WebIconDatabase	Functions for manipulating the icon database used by WebView.
WebSettings	Manages settings state for a WebView.
WebStorage	Functionality for manipulating the webstorage databases.
WebView.HitTestResult
WebView.WebViewTransport	Transportation object for returning WebView across thread boundaries.
WebViewClient
WebViewDatabase
WifiConfiguration	A class representing a configured Wi-Fi network, including the security configuration.
WifiConfiguration.AuthAlgorithm	Recognized IEEE 802.11 authentication algorithms.
WifiConfiguration.GroupCipher	Recognized group ciphers.
WifiConfiguration.KeyMgmt	Recognized key management schemes.
WifiConfiguration.PairwiseCipher	Recognized pairwise ciphers for WPA.
WifiConfiguration.Protocol	Recognized security protocols.
WifiConfiguration.Status	Possible status of a network configuration.
WifiInfo	Describes the state of any Wifi connection that is active or is in the process of being set up.
WifiManager	This class provides the primary API for managing all aspects of Wi-Fi connectivity.
WifiManager.MulticastLock	Allows an application to receive Wifi Multicast packets.
WifiManager.WifiLock	Allows an application to keep the Wi-Fi radio awake.
Window	Abstract base class for a top-level window look and behavior policy.
Wire	Logs data to the wire LOG.
Writer	The base class for all writers.
X500Principal	Represents an X.500 principal, which holds the distinguished name of some network entity.
X509CRLEntry	Abstract base class for entries in a certificate revocation list (CRL).
X509CRLSelector	A CRL selector (`CRLSelector` for selecting `X509CRL`s that match the specified criteria.
X509CertSelector	A certificate selector (`CertSelector` for selecting `X509Certificate`s that match the specified criteria.
X509ExtendedKeyManager	The abstract extension for the `X509KeyManager` interface.
XMLConstants	Defines several standard constants that are often used during XML processing.
XMLFilterImpl	Base class for deriving an XML filter.
XMLReaderAdapter	Adapt a SAX2 XMLReader as a SAX1 Parser.
XMLReaderFactory	Factory for creating an XML reader.
Xfermode	Xfermode is the base class for objects that are called to implement custom "transfer-modes" in the drawing pipeline.
Xml	XML utility methods.
XmlPullParserFactory	This class is used to create implementations of XML Pull Parser defined in XMPULL V1 API.
ZipEntry	An instance of `ZipEntry` represents an entry within a ZIP-archive.
ZipFile	This class provides random read access to a ZIP-archive file.
ZoomButtonsController	The `ZoomButtonsController` handles showing and hiding the zoom controls and positioning it relative to an owner view.
Zygote	This class is deprecated. this is an internal Dalvik class that is not appropriate for general use. It will be removed from the public API in a future release.

Known Indirect Subclasses

AbsListView, AbsListView.LayoutParams, AbsSeekBar, AbsSpinner, AbsoluteLayout, AbsoluteLayout.LayoutParams, AbsoluteSizeSpan, AbstractCursor.SelfContentObserver, AbstractInputMethodService, AbstractList<E>, AbstractMethodError, AbstractPooledConnAdapter, AbstractPreferences, AbstractQueue<E>, AbstractSelectableChannel, AbstractSelectionKey, AbstractSelector, AbstractSequentialList<E>, AbstractSet<E>, AbstractWindowedCursor, AccessControlException, AccessibilityService, AccountAuthenticatorActivity, AccountsException, AclNotFoundException, Activity, ActivityGroup, ActivityInfo, ActivityInstrumentationTestCase<T extends Activity>, ActivityInstrumentationTestCase2<T extends Activity>, ActivityNotFoundException, ActivityTestCase, ActivityUnitTestCase<T extends Activity>, AdapterView<T extends Adapter>, AlertDialog, AliasActivity, AllPermission, AllocationLimitError, AllowAllHostnameVerifier, AlphaAnimation, AlphabetIndexer, AlreadyConnectedException, AnalogClock, AndroidException, AndroidRuntimeException, AndroidTestCase, AndroidTestRunner, AnimationDrawable, AnimationSet, AnnotationFormatError, AnnotationTypeMismatchException, AppWidgetHostView, AppWidgetProvider, Application, ApplicationInfo, ApplicationTestCase<T extends Application>, ArcShape, ArithmeticException, ArrayAdapter<T>, ArrayBlockingQueue<E>, ArrayIndexOutOfBoundsException, ArrayList<E>, ArrayStoreException, AssertionError, AssertionFailedError, AssetFileDescriptor.AutoCloseInputStream, AssetFileDescriptor.AutoCloseOutputStream, AssetManager.AssetInputStream, AsyncQueryHandler, AsyncQueryHandler.WorkerHandler, AsyncTask.Status, AsynchronousCloseException, AtomicInteger, AtomicLong, Attributes2Impl, AuthParamBean, AuthPermission, AuthProvider, AuthenticationException, Authenticator.RequestorType, AuthenticatorException, AutoCompleteTextView, AvoidXfermode, AvoidXfermode.Mode, BackgroundColorSpan, BackingStoreException, BadPaddingException, BadParcelableException, BaseKeyListener, BasicClientCookie2, BasicCommentHandler, BasicExpiresHandler, BasicHttpEntity, BasicHttpEntityEnclosingRequest, BasicHttpParams, BasicHttpRequest, BasicHttpResponse, BasicManagedEntity, BasicMaxAgeHandler, BasicPermission, BasicPoolEntry, BasicPoolEntryRef, BasicPooledConnAdapter, BasicScheme, BasicSecureHandler, BatchUpdateException, BigDecimal, BigInteger, BindException, Bitmap.CompressFormat, Bitmap.Config, BitmapDrawable, BitmapShader, BlurMaskFilter, BlurMaskFilter.Blur, BoringLayout, BoringLayout.Metrics, BrokenBarrierException, BrowserCompatHostnameVerifier, BrowserCompatSpec, BufferOverflowException, BufferUnderflowException, BufferedHttpEntity, BufferedInputStream, BufferedOutputStream, BufferedReader, BufferedWriter, Button, Byte, ByteArrayEntity, ByteArrayInputStream, ByteArrayOutputStream, ByteBuffer, CRLException, CancellationException, CancelledKeyException, Canvas.EdgeType, Canvas.VertexMode, CdmaCellLocation, CertPathBuilderException, CertPathValidatorException, CertStoreException, CertificateEncodingException, CertificateException, CertificateExpiredException, CertificateNotYetValidException, CertificateParsingException, CharArrayReader, CharArrayWriter, CharBuffer, CharConversionException, Character.UnicodeBlock, CharacterCodingException, CharacterPickerDialog, CheckBox, CheckBoxPreference, CheckedInputStream, CheckedOutputStream, CheckedTextView, ChoiceFormat, Chronometer, ChunkedInputStream, ChunkedOutputStream, CipherInputStream, CipherOutputStream, CircularRedirectException, ClassCastException, ClassCircularityError, ClassFormatError, ClassNotFoundException, ClickableSpan, ClientParamBean, ClientParamsStack, ClientProtocolException, ClipDrawable, CloneNotSupportedException, ClosedByInterruptException, ClosedChannelException, ClosedSelectorException, CoderMalfunctionError, ColorDrawable, ColorMatrixColorFilter, ComparisonFailure, ComponentInfo, ComposePathEffect, ComposeShader, CompoundButton, ConcurrentHashMap<K, V>, ConcurrentLinkedQueue<E>, ConcurrentModificationException, ConnConnectionParamBean, ConnManagerParamBean, ConnPoolByRoute, ConnRouteParamBean, ConnectException, ConnectTimeoutException, ConnectionClosedException, ConnectionEvent, ConnectionPendingException, ConnectionPoolTimeoutException, ConsoleHandler, Constructor<T>, ContactsContract.Presence, ContentLengthInputStream, ContentLengthOutputStream, ContentObservable, ContentQueryMap, ContextThemeWrapper, ContextWrapper, CookieSpecBase, CookieSpecParamBean, CopyOnWriteArraySet<E>, CornerPathEffect, CursorAdapter, CursorIndexOutOfBoundsException, CursorJoiner.Result, CursorTreeAdapter, CursorWindow, DOMException, DashPathEffect, DataFormatException, DataInputStream, DataOutputStream, DataSetObservable, DataTruncation, DatagramChannel, Date, DateFormat, DateFormat.Field, DateKeyListener, DateParseException, DatePicker, DatePickerDialog, DateTimeKeyListener, DeadObjectException, DecimalFormat, DefaultClientConnection, DefaultHandler2, DefaultHttpClient, DefaultHttpClientConnection, DefaultHttpServerConnection, DefaultProxyAuthenticationHandler, DefaultResponseParser, DefaultTargetAuthenticationHandler, DefaultedHttpParams, DeflaterOutputStream, DelayQueue<E extends Delayed>, DestroyFailedException, DexClassLoader, DialerFilter, DialerKeyListener, DialogPreference, DigestException, DigestInputStream, DigestOutputStream, DigestScheme, DigitalClock, DigitsKeyListener, DiscretePathEffect, Double, DoubleBuffer, DrawableContainer, DrawableContainer.DrawableContainerState, DuplicateFormatFlagsException, DynamicDrawableSpan, DynamicLayout, EOFException, EditText, EditTextPreference, ElementType, EmbossMaskFilter, EmptyStackException, EntityEnclosingRequestWrapper, EntityTemplate, EnumConstantNotPresentException, EnumMap<K extends Enum<K>, V>, EnumSet<E extends Enum<E>>, EofSensorInputStream, Error, Exception, ExceptionInInitializerError, ExecutionException, ExemptionMechanismException, ExpandableListActivity, ExpandableListView, ExtractEditText, FactoryConfigurationError, Field, FileChannel, FileEntity, FileHandler, FileInputStream, FileLockInterruptionException, FileNotFoundException, FileOutputStream, FilePermission, FileReader, FileWriter, FilterInputStream, FilterOutputStream, FilterReader, FilterWriter, Float, FloatBuffer, ForegroundColorSpan, Format.Field, FormatFlagsConversionMismatchException, Formatter.BigDecimalLayoutForm, FormatterClosedException, FrameLayout, FrameLayout.LayoutParams, GLES11, GLException, GLSurfaceView, GZIPInputStream, GZIPOutputStream, Gallery, Gallery.LayoutParams, GeneralSecurityException, GenericSignatureFormatError, GestureOverlayView, GradientDrawable, GradientDrawable.Orientation, GregorianCalendar, GridLayoutAnimationController, GridLayoutAnimationController.AnimationParameters, GridView, GsmCellLocation, HandlerThread, HandshakeCompletedEvent, HashMap<K, V>, HashSet<E>, Hashtable<K, V>, HideReturnsTransformationMethod, HorizontalScrollView, HttpAuthHandler, HttpConnectionParamBean, HttpDelete, HttpEntityEnclosingRequestBase, HttpException, HttpGet, HttpHead, HttpHostConnectException, HttpOptions, HttpPost, HttpProtocolParamBean, HttpPut, HttpRequestBase, HttpRequestParser, HttpRequestWriter, HttpResponseException, HttpResponseParser, HttpResponseWriter, HttpRetryException, HttpTrace, HttpURLConnection, HttpVersion, HttpsURLConnection, IOException, IdentityHashMap<K, V>, IdentityInputStream, IdentityOutputStream, IdentityScope, IllegalAccessError, IllegalAccessException, IllegalArgumentException, IllegalBlockSizeException, IllegalBlockingModeException, IllegalCharsetNameException, IllegalFormatCodePointException, IllegalFormatConversionException, IllegalFormatException, IllegalFormatFlagsException, IllegalFormatPrecisionException, IllegalFormatWidthException, IllegalMonitorStateException, IllegalSelectorException, IllegalStateException, IllegalThreadStateException, ImageButton, ImageSpan, ImageSwitcher, ImageView, ImageView.ScaleType, IncompatibleClassChangeError, IncompleteAnnotationException, IndexOutOfBoundsException, IndexedPropertyChangeEvent, Inet4Address, Inet6Address, InetSocketAddress, InflateException, InflaterInputStream, InheritableThreadLocal<T>, InputMethodService, InputMethodService.InputMethodImpl, InputMethodService.InputMethodSessionImpl, InputMismatchException, InputStreamEntity, InputStreamReader, InsetDrawable, InstantiationError, InstantiationException, InstrumentationInfo, InstrumentationTestCase, InstrumentationTestRunner, InstrumentationTestSuite, IntBuffer, Integer, IntentFilter.MalformedMimeTypeException, IntentSender.SendIntentException, IntentService, InternalError, Interpolator.Result, InterruptedException, InterruptedIOException, InvalidAlgorithmParameterException, InvalidClassException, InvalidCredentialsException, InvalidKeyException, InvalidKeySpecException, InvalidMarkException, InvalidObjectException, InvalidParameterException, InvalidParameterSpecException, InvalidPreferencesFormatException, InvalidPropertiesFormatException, InvocationTargetException, IsolatedContext, JSONException, JarEntry, JarException, JarFile, JarInputStream, JarOutputStream, JarURLConnection, JsPromptResult, KeyException, KeyManagementException, KeyPairGenerator, KeyRep.Type, KeyStoreException, KeyboardView, LabeledIntent, LastOwnerException, LauncherActivity, LayerDrawable, LayerRasterizer, Layout.Alignment, LevelListDrawable, LightingColorFilter, LineNumberInputStream, LineNumberReader, LinearGradient, LinearLayout, LinearLayout.LayoutParams, LinkMovementMethod, LinkageError, LinkedBlockingQueue<E>, LinkedHashMap<K, V>, LinkedHashSet<E>, LinkedList<E>, ListActivity, ListPreference, ListResourceBundle, ListView, LocalSocketAddress.Namespace, Locator2Impl, LoggingPermission, LoginException, LoginFilter.PasswordFilterGMail, LoginFilter.UsernameFilterGMail, LoginFilter.UsernameFilterGeneric, Long, LongBuffer, MalformedChallengeException, MalformedChunkCodingException, MalformedCookieException, MalformedInputException, MalformedParameterizedTypeException, MalformedURLException, MappedByteBuffer, MaskFilterSpan, Matrix.ScaleToFit, MatrixCursor, MediaController, MemoryHandler, MergeCursor, MessageDigest, MessageFormat, MessageFormat.Field, Method, MethodNotSupportedException, MetricAffectingSpan, MissingFormatArgumentException, MissingFormatWidthException, MissingResourceException, MockApplication, MockContentResolver, MockContext, MockPackageManager, MockResources, MultiAutoCompleteTextView, MultiTapKeyListener, MulticastSocket, MutableContextWrapper, NTLMEngineException, NTLMScheme, NegativeArraySizeException, NetPermission, NetscapeDomainHandler, NetscapeDraftSpec, NetworkErrorException, NetworkInfo.DetailedState, NetworkInfo.State, NinePatchDrawable, NoClassDefFoundError, NoConnectionPendingException, NoHttpResponseException, NoRouteToHostException, NoSuchAlgorithmException, NoSuchElementException, NoSuchFieldError, NoSuchFieldException, NoSuchMethodError, NoSuchMethodException, NoSuchPaddingException, NoSuchProviderException, NodeChangeEvent, NonReadableChannelException, NonRepeatableRequestException, NonWritableChannelException, NotActiveException, NotOwnerException,

Interfaces

Classes

Enums

Exceptions

Errors

Object