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DataSetObserver

public abstract class DataSetObserver
extends Object

java.lang.Object
   ↳ android.database.DataSetObserver
Known Direct Subclasses


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 requery() on a Cursor.

void onInvalidated()

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

Inherited methods

From class java.lang.Object

Public constructors

DataSetObserver

Added in API level 1
DataSetObserver ()

Public methods

onChanged

Added in API level 1
void onChanged ()

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

onInvalidated

Added in API level 1
void onInvalidated ()

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

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