android.content

Class ContentProvider

java.lang.Object

android.content.ContentProvider

All Implemented Interfaces:

ComponentCallbacks, ComponentCallbacks2

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

Modifier and Type	Method and Description
int	bulkInsert(Uri uri, ContentValues[] values)
Bundle	call(String method, String arg, Bundle extras)
Uri	canonicalize(Uri url)
abstract int	delete(Uri paramUri, String paramString, String[] paramArrayOfString)
void	dump(FileDescriptor fd, PrintWriter writer, String[] args)
String	getCallingPackage()
Context	getContext()
String	getReadPermission()
String[]	getStreamTypes(Uri uri, String mimeTypeFilter)
abstract String	getType(Uri paramUri)
String	getWritePermission()
abstract Uri	insert(Uri paramUri, ContentValues paramContentValues)
protected boolean	isTemporary()
void	onConfigurationChanged(Configuration newConfig)
abstract boolean	onCreate()
void	onLowMemory()
void	onTrimMemory(int level)
ParcelFileDescriptor	openFile(Uri uri, String mode)
ParcelFileDescriptor	openFile(Uri uri, String mode, CancellationSignal signal)
protected ParcelFileDescriptor	openFileHelper(Uri uri, String mode)
<T> ParcelFileDescriptor	openPipeHelper(Uri uri, String mimeType, Bundle opts, T args, ContentProvider.PipeDataWriter<T> func)
abstract Cursor	query(Uri paramUri, String[] paramArrayOfString1, String paramString1, String[] paramArrayOfString2, String paramString2)
Cursor	query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder, CancellationSignal cancellationSignal)
protected void	setReadPermission(String permission)
protected void	setWritePermission(String permission)
void	shutdown()
Uri	uncanonicalize(Uri url)
abstract int	update(Uri paramUri, ContentValues paramContentValues, String paramString, String[] paramArrayOfString)

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()

getCallingPackage

public final String getCallingPackage()

setReadPermission

protected final void setReadPermission(String permission)

getReadPermission

public final String getReadPermission()

setWritePermission

protected final void setWritePermission(String permission)

getWritePermission

public final String getWritePermission()

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 paramUri,
                             String[] paramArrayOfString1,
                             String paramString1,
                             String[] paramArrayOfString2,
                             String paramString2)

query

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

getType

public abstract String getType(Uri paramUri)

canonicalize

public Uri canonicalize(Uri url)

uncanonicalize

public Uri uncanonicalize(Uri url)

insert

public abstract Uri insert(Uri paramUri,
                           ContentValues paramContentValues)

bulkInsert

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

delete

public abstract int delete(Uri paramUri,
                           String paramString,
                           String[] paramArrayOfString)

update

public abstract int update(Uri paramUri,
                           ContentValues paramContentValues,
                           String paramString,
                           String[] paramArrayOfString)

openFile

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

Throws:

FileNotFoundException

openFile

public ParcelFileDescriptor openFile(Uri uri,
                                     String mode,
                                     CancellationSignal signal)
                              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)

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()

call

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

shutdown

public void shutdown()

dump

public void dump(FileDescriptor fd,
                 PrintWriter writer,
                 String[] args)