Observer
interfaceObserver
java.util.Observer |
A class can implement the Observer
interface when it wants to be informed of changes in observable objects.
Summary
Public methods | |
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abstract Unit |
update(o: Observable!, arg: Any!) This method is called whenever the observed object is changed. |
Public methods
update
Added in API level 1
abstract funupdate(
o: Observable!,
arg: Any!
): Unit
Deprecated: Deprecated in Java.
This method is called whenever the observed object is changed. An application calls an Observable
object's notifyObservers
method to have all the object's observers notified of the change.
Parameters | |
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o |
Observable!: the observable object. |
arg |
Any!: an argument passed to the notifyObservers method. |