ContentObserver

Kotlin |Java

public abstract class ContentObserver
extends Object

java.lang.Object
↳	android.database.ContentObserver

Known direct subclasses

AbstractCursor.SelfContentObserver	Cursors use this class to track changes others make to their URI.
Loader.ForceLoadContentObserver	This class was deprecated in API level 28. Use `Loader.ForceLoadContentObserver`

Receives call backs for changes to content. Must be implemented by objects which are added to a ContentObservable.

Summary

Public constructors
`ContentObserver(Handler handler)` Creates a content observer.

Public methods
`boolean`	`deliverSelfNotifications()` Returns true if this observer is interested receiving self-change notifications.
`final void`	`dispatchChange(boolean selfChange)` This method was deprecated in API level 16. Callers should migrate towards using a richer overload that provides more details about the change, such as `dispatchChange(boolean,Collection,int)`.
`final void`	`dispatchChange(boolean selfChange, Uri uri)` Dispatches a change notification to the observer.
`final void`	`dispatchChange(boolean selfChange, Uri uri, int flags)` Dispatches a change notification to the observer.
`final void`	`dispatchChange(boolean selfChange, Collection<Uri> uris, int flags)` Dispatches a change notification to the observer.
`void`	`onChange(boolean selfChange, Uri uri, int flags)` This method is called when a content change occurs.
`void`	`onChange(boolean selfChange)` This method is called when a content change occurs.
`void`	`onChange(boolean selfChange, Uri uri)` This method is called when a content change occurs.
`void`	`onChange(boolean selfChange, Collection<Uri> uris, int flags)` This method is called when a content change occurs.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`