android.database
public
abstract
class
android.database.Observable<T>
Provides methods for (un)registering arbitrary observers in an ArrayList.
Known Direct Subclasses
ContentObservable |
A specialization of Observable for ContentObserver that provides methods for
invoking the various callback methods of ContentObserver. |
DataSetObservable |
A specialization of Observable for DataSetObserver that provides methods for
invoking the various callback methods of DataSetObserver. |
Summary
Fields
Public Constructors
Public Methods
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
Details
Fields
protected
final
ArrayList<T>
mObservers
The list of observers. An observer can be in the list at most
once and will never be null.
Public Constructors
Public Methods
public
void
registerObserver(T observer)
Adds an observer to the list. The observer cannot be null and it must not already
be registered.
Parameters
observer
| the observer to register |
public
void
unregisterAll()
Remove all registered observer
public
void
unregisterObserver(T observer)
Removes a previously registered observer. The observer must not be null and it
must already have been registered.
Parameters
observer
| the observer to unregister |