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DataSetObserver.java API Doc Android 1.5 API 1452 Wed May 06 22:41:54 BST 2009 android.database

DataSetObserver

java.lang.Object

public abstract class DataSetObserver extends Object

Receives call backs when a data set has been changed, or made invalid. The typically data sets that are observed are {@link Cursor}s or {@link android.widget.Adapter}s. DataSetObserver must be implemented by objects which are added to a DataSetObservable.

Fields Summary
Constructors Summary
Methods Summary
public void onChanged()
This method is called when the entire data set has changed, most likely through a call to {@link Cursor#requery()} on a {@link Cursor}.
// Do nothing
public void onInvalidated()
This method is called when the entire data becomes invalid, most likely through a call to {@link Cursor#deactivate()} or {@link Cursor#close()} on a {@link Cursor}.
// Do nothing