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.
Public constructors | |
|---|---|
DataSetObserver()
|
|
Public methods | |
|---|---|
void
|
onChanged()
This method is called when the entire data set has changed,
most likely through a call to |
void
|
onInvalidated()
This method is called when the entire data becomes invalid,
most likely through a call to |
Inherited methods | |
|---|---|
From
class
java.lang.Object
| |
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.
Developers