Observer

```
public abstract class Observer
extends java.lang.Object
```
Observer interface used to subscribe for an Observable events.

Constructors
Constructor and Description
`Observer()`

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`getId()` Gets observer id
`abstract void`	`notify(ObservableEvent event)` Notifies an Observer about an Event.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public abstract void notify(@NonNull
                            ObservableEvent event)

Notifies an Observer about an Event.

Class Observer