added in API level 1

DataSetObserver

public abstract class DataSetObserver
extends Object

java.lang.Object
   ↳ android.database.DataSetObserver


Receives call backs when a data set has been changed, or made invalid. The typically data sets that are observed are Cursors or Adapters. DataSetObserver must be implemented by objects which are added to a DataSetObservable.

Summary

Public constructors

DataSetObserver()

Public methods

void onChanged()

This method is called when the entire data set has changed, most likely through a call to Cursor.requery() on a Cursor.

void onInvalidated()

This method is called when the entire data becomes invalid, most likely through a call to Cursor.deactivate() or Cursor.close() on a Cursor.

Inherited methods

Public constructors

DataSetObserver

added in API level 1
public DataSetObserver ()

Public methods

onChanged

added in API level 1
public void onChanged ()

This method is called when the entire data set has changed, most likely through a call to Cursor.requery() on a Cursor.

onInvalidated

added in API level 1
public void onInvalidated ()

This method is called when the entire data becomes invalid, most likely through a call to Cursor.deactivate() or Cursor.close() on a Cursor.