ContentObservable

Kotlin |Java

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

From class android.database.Observable


    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

From class


        
          android.database.Observable

`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.

From class


        
          java.lang.Object

`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.

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