Reference:Android.database.DataSetObserver

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android.database
public abstract class android.database.DataSetObserver

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 Cursor s or Adapter s. DataSetObserver must be implemented by objects which are added to a DataSetObservable.

Contents 1 Known Direct Subclasses 2 Summary 2.1 Public Constructors 2.2 Public Methods 2.2.1 Methods inherited from class java.lang.Object 3 Details 3.1 Public Constructors 3.1.1 public DataSetObserver() 3.2 Public Methods 3.2.1 public void onChanged() 3.2.2 public void onInvalidated() 4 References

[edit] Known Direct Subclasses

AdapterView.MyDataSetObserver

[edit] Summary

[edit] Public Constructors

DataSetObserver ()

[edit] 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.

[edit] Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

[edit] Details

[edit] Public Constructors

[edit] public DataSetObserver()

[edit] Public Methods

[edit] public void onChanged()

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

[edit] public void onInvalidated()

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

[edit] References

• Original documentation page for Android SDK build m5-rc15e - 14 apr 2008 17:27