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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.
Inherited fields |
|---|
Public constructors | |
|---|---|
ContentObservable()
|
|
Public methods | |
|---|---|
void
|
dispatchChange(boolean selfChange)
This method is deprecated.
Use |
void
|
dispatchChange(boolean selfChange, Uri uri)
Invokes |
void
|
notifyChange(boolean selfChange)
This method is deprecated.
Use |
void
|
registerObserver(ContentObserver observer)
Adds an observer to the list. |
Inherited methods | |
|---|---|
public ContentObservable ()
public void dispatchChange (boolean selfChange)
This method is deprecated.
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. |
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. |
public void notifyChange (boolean selfChange)
This method is deprecated.
Use dispatchChange(boolean) instead.
Invokes ContentObserver#onChange on each observer.
| Parameters | |
|---|---|
selfChange |
boolean: True if this is a self-change notification. |
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 |