ContentObservable


public class ContentObservable
extends Observable<ContentObserver>

java.lang.Object
   ↳ android.database.Observable<android.database.ContentObserver>
     ↳ android.database.ContentObservable


A specialization of Observable for ContentObserver that provides methods for sending notifications to a list of ContentObserver objects.

Summary

Inherited fields

protected final ArrayList<T> mObservers

The list of observers.

Public constructors

ContentObservable()

Public methods

void dispatchChange(boolean selfChange)

This method was deprecated in API level 16. Use dispatchChange(boolean, android.net.Uri) instead.

void dispatchChange(boolean selfChange, Uri uri)

Invokes ContentObserver.dispatchChange(boolean, Uri) on each observer.

void notifyChange(boolean selfChange)

This method was deprecated in API level 16. Use dispatchChange(boolean) instead.

void registerObserver(ContentObserver observer)

Adds an observer to the list.

Inherited methods

void registerObserver(ContentObserver observer)

Adds an observer to the list.

void unregisterAll()

Remove all registered observers.

void unregisterObserver(ContentObserver observer)

Removes a previously registered observer.

Object clone()

Creates and returns a copy of this object.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

void finalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

final Class<?> getClass()

Returns the runtime class of this Object.

int hashCode()

Returns a hash code value for the object.

final void notify()

Wakes up a single thread that is waiting on this object's monitor.

final void notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String toString()

Returns a string representation of the object.

final void wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

ContentObservable

public ContentObservable ()

Public methods

dispatchChange

Added in API level 1
Deprecated in API level 16
public void dispatchChange (boolean selfChange)

This method was deprecated in API level 16.
Use dispatchChange(boolean, android.net.Uri) instead.

Invokes ContentObserver.dispatchChange(boolean) on each observer.

If selfChange is true, only delivers the notification to the observer if it has indicated that it wants to receive self-change notifications by implementing ContentObserver.deliverSelfNotifications to return true.

Parameters
selfChange boolean: True if this is a self-change notification.

dispatchChange

Added in API level 16
public void dispatchChange (boolean selfChange, 
                Uri uri)

Invokes ContentObserver.dispatchChange(boolean, Uri) on each observer. Includes the changed content Uri when available.

If selfChange is true, only delivers the notification to the observer if it has indicated that it wants to receive self-change notifications by implementing ContentObserver.deliverSelfNotifications to return true.

Parameters
selfChange boolean: True if this is a self-change notification.

uri Uri: The Uri of the changed content, or null if unknown.

notifyChange

Added in API level 1
Deprecated in API level 16
public void notifyChange (boolean selfChange)

This method was deprecated in API level 16.
Use dispatchChange(boolean) instead.

Invokes ContentObserver.onChange on each observer.

Parameters
selfChange boolean: True if this is a self-change notification.

registerObserver

Added in API level 1
public void registerObserver (ContentObserver observer)

Adds an observer to the list. The observer cannot be null and it must not already be registered.

Parameters
observer ContentObserver: the observer to register