android.content

Class ContentProvider

java.lang.Object

android.content.ContentProvider

All Implemented Interfaces:

ComponentCallbacks, ComponentCallbacks2

Direct Known Subclasses:

SearchRecentSuggestionsProvider

public abstract class ContentProvider
extends Object
implements ComponentCallbacks2

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ContentProvider.PipeDataWriter<T>

Field Summary

Fields inherited from interface android.content.ComponentCallbacks2

TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN

Constructor Summary

Constructors

Constructor and Description
ContentProvider()

Method Summary

Methods

Modifier and Type	Method and Description
ContentProviderResult[]	applyBatch(ArrayList<ContentProviderOperation> operations)
void	attachInfo(Context context, ProviderInfo info)
int	bulkInsert(Uri uri, ContentValues[] values)
Bundle	call(String method, String arg, Bundle extras)
abstract int	delete(Uri uri, String selection, String[] selectionArgs)
Context	getContext()
PathPermission[]	getPathPermissions()
String	getReadPermission()
String[]	getStreamTypes(Uri uri, String mimeTypeFilter)
abstract String	getType(Uri uri)
String	getWritePermission()
abstract Uri	insert(Uri uri, ContentValues values)
protected boolean	isTemporary()
void	onConfigurationChanged(Configuration newConfig)
abstract boolean	onCreate()
void	onLowMemory()
void	onTrimMemory(int level)
AssetFileDescriptor	openAssetFile(Uri uri, String mode)
ParcelFileDescriptor	openFile(Uri uri, String mode)
protected ParcelFileDescriptor	openFileHelper(Uri uri, String mode)
<T> ParcelFileDescriptor	openPipeHelper(Uri uri, String mimeType, Bundle opts, T args, ContentProvider.PipeDataWriter<T> func)
AssetFileDescriptor	openTypedAssetFile(Uri uri, String mimeTypeFilter, Bundle opts)
abstract Cursor	query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)
Cursor	query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder, CancellationSignal cancellationSignal)
protected void	setPathPermissions(PathPermission[] permissions)
protected void	setReadPermission(String permission)
protected void	setWritePermission(String permission)
void	shutdown()
abstract int	update(Uri uri, ContentValues values, String selection, String[] selectionArgs)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ContentProvider

public ContentProvider()

Method Detail

getContext

public final Context getContext()

setReadPermission

protected final void setReadPermission(String permission)

getReadPermission

public final String getReadPermission()

setWritePermission

protected final void setWritePermission(String permission)

getWritePermission

public final String getWritePermission()

setPathPermissions

protected final void setPathPermissions(PathPermission[] permissions)

getPathPermissions

public final PathPermission[] getPathPermissions()

onCreate

public abstract boolean onCreate()

onConfigurationChanged

public void onConfigurationChanged(Configuration newConfig)

Specified by:

onConfigurationChanged in interface ComponentCallbacks

onLowMemory

public void onLowMemory()

Specified by:

onLowMemory in interface ComponentCallbacks

onTrimMemory

public void onTrimMemory(int level)

Specified by:

onTrimMemory in interface ComponentCallbacks2

query

public abstract Cursor query(Uri uri,
           String[] projection,
           String selection,
           String[] selectionArgs,
           String sortOrder)

query

public Cursor query(Uri uri,
           String[] projection,
           String selection,
           String[] selectionArgs,
           String sortOrder,
           CancellationSignal cancellationSignal)

getType

public abstract String getType(Uri uri)

insert

public abstract Uri insert(Uri uri,
         ContentValues values)

bulkInsert

public int bulkInsert(Uri uri,
             ContentValues[] values)

delete

public abstract int delete(Uri uri,
         String selection,
         String[] selectionArgs)

update

public abstract int update(Uri uri,
         ContentValues values,
         String selection,
         String[] selectionArgs)

openFile

public ParcelFileDescriptor openFile(Uri uri,
                            String mode)
                              throws FileNotFoundException

Throws:

FileNotFoundException

openAssetFile

public AssetFileDescriptor openAssetFile(Uri uri,
                                String mode)
                                  throws FileNotFoundException

Throws:

FileNotFoundException

openFileHelper

protected final ParcelFileDescriptor openFileHelper(Uri uri,
                                  String mode)
                                             throws FileNotFoundException

Throws:

FileNotFoundException

getStreamTypes

public String[] getStreamTypes(Uri uri,
                      String mimeTypeFilter)

openTypedAssetFile

public AssetFileDescriptor openTypedAssetFile(Uri uri,
                                     String mimeTypeFilter,
                                     Bundle opts)
                                       throws FileNotFoundException

Throws:

FileNotFoundException

openPipeHelper

public <T> ParcelFileDescriptor openPipeHelper(Uri uri,
                                      String mimeType,
                                      Bundle opts,
                                      T args,
                                      ContentProvider.PipeDataWriter<T> func)
                                    throws FileNotFoundException

Throws:

FileNotFoundException

isTemporary

protected boolean isTemporary()

attachInfo

public void attachInfo(Context context,
              ProviderInfo info)

applyBatch

public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
                                   throws OperationApplicationException

Throws:

OperationApplicationException

call

public Bundle call(String method,
          String arg,
          Bundle extras)

shutdown

public void shutdown()