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