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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

Public constructors

ContentObservable()

Public methods

void dispatchChange(boolean selfChange)

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

Public constructors

ContentObservable

added in API level 1
public ContentObservable ()

Public methods

dispatchChange

added in API level 1
public void dispatchChange (boolean selfChange)

This method was deprecated in API level 16.
Use dispatchChange(boolean, 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
public void notifyChange (boolean selfChange)

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

Invokes ContentObserver.onChange(boolean) 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