android.content
Interfaces
| OnPrimaryClipChangedListener | Defines a listener callback that is invoked when the primary clip on the clipboard changes. | 
| ComponentCallbacks | The set of callback APIs that are common to all application components ( | 
| ComponentCallbacks2 | Callbacks for app state transitions that can be used to improve background memory management. | 
| PipeDataWriter | Interface to write a stream of data to a pipe. | 
| DialogInterface | Interface that defines a dialog-type class that can be shown, dismissed, or canceled, and may have buttons that can be clicked. | 
| EntityIterator | A specialization of  | 
| OnFinished | Callback interface for discovering when a send operation has completed. | 
| OnLoadCanceledListener | Interface that is implemented to discover when a Loader has been canceled before it finished loading its data. | 
| OnLoadCompleteListener | Interface that is implemented to discover when a Loader has finished loading its data. | 
| ServiceConnection | Interface for monitoring the state of an application service. | 
| SharedPreferences | Interface for accessing and modifying preference data returned by  | 
| SyncStatusObserver | 
Classes
| AbstractThreadedSyncAdapter | An abstract implementation of a SyncAdapter that spawns a thread to invoke a sync operation. | 
| AsyncQueryHandler | A helper class to help make handling asynchronous  | 
| AsyncTaskLoader | Abstract Loader that provides an  | 
| AttributionSource | This class represents a source to which access to permission protected data should be attributed. | 
| BroadcastReceiver | Base class for code that receives and handles broadcast intents sent by  | 
| ClipboardManager | Interface to the clipboard service, for placing and retrieving text in the global clipboard. | 
| ClipData | Representation of a clipped data on the clipboard. | 
| ClipDescription | Meta-data describing the contents of a  | 
| ComponentName | Identifier for a specific application component ( | 
| 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 specific  | 
| ContentProviderOperation | Represents a single operation to be performed as part of a batch of operations. | 
| ContentProviderResult | Contains the result of the application of a  | 
| ContentQueryMap | Caches the contents of a cursor into a Map of String->ContentValues and optionally keeps the cache fresh by registering for updates on the content backing the cursor. | 
| ContentResolver | This class provides applications access to the content model. | 
| ContentUris | Utility methods useful for working with  | 
| ContentValues | This class is used to store a set of values that the  | 
| Context | Interface to global information about an application environment. | 
| ContextParams | This class represents rules around how a context being created via  | 
| ContextWrapper | Proxying implementation of Context that simply delegates all of its calls to another Context. | 
| CursorLoader | A loader that queries the  | 
| Entity | A representation of a item using ContentValues. | 
| Intent | An intent is an abstract description of an operation to be performed. | 
| IntentFilter | Structured description of Intent values to be matched. | 
| IntentSender | A description of an Intent and target action to perform with it. | 
| Loader | A class that performs asynchronous loading of data. | 
| LocusId | An identifier for an unique state (locus) in the application. | 
| MutableContextWrapper | Special version of  | 
| PeriodicSync | Value type that contains information about a periodic sync. | 
| QuickViewConstants | Constants for  | 
| RestrictionEntry | Applications can expose restrictions for a restricted user on a multiuser device. | 
| RestrictionsManager | Provides a mechanism for apps to query restrictions imposed by an entity that manages the user. | 
| SearchRecentSuggestionsProvider | This superclass can be used to create a simple search suggestions provider for your application. | 
| SyncAdapterType | Value type that represents a SyncAdapterType. | 
| SyncContext | |
| SyncInfo | Information about the sync operation that is currently underway. | 
| SyncRequest | Convenience class to construct sync requests. | 
| SyncResult | This class is used to communicate the results of a sync operation to the SyncManager. | 
| SyncStats | Used to record various statistics about the result of a sync operation. | 
| UriMatcher | Utility class to aid in matching URIs in content providers. | 
| UriPermission | Description of a single Uri permission grant. | 
| UriRelativeFilter | A filter for matching Intent URI Data as part of a  | 
| UriRelativeFilterGroup | An intent data matching group based on a URI's relative reference which includes the path, query and fragment. | 
Exceptions
| ActivityNotFoundException | This exception is thrown when a call to android. | 
| OperationApplicationException | Thrown when an application of a  | 
| ReceiverCallNotAllowedException | This exception is thrown from android. | 
