DataSetObserver
abstract class DataSetObserver
kotlin.Any | |
↳ | 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 android.widget.Adapter
s. DataSetObserver must be implemented by objects which are added to a DataSetObservable.
Summary
Public constructors | |
---|---|
Public methods | |
---|---|
open Unit |
This method is called when the entire data set has changed, most likely through a call to |
open Unit |
This method is called when the entire data becomes invalid, most likely through a call to |
Public constructors
DataSetObserver
DataSetObserver()
Public methods
onChanged
open fun onChanged(): Unit
This method is called when the entire data set has changed, most likely through a call to Cursor#requery()
on a Cursor
.
onInvalidated
open fun onInvalidated(): Unit
This method is called when the entire data becomes invalid, most likely through a call to Cursor#deactivate()
or android.database.Cursor#close() on a Cursor
.