AbstractActivity (Google Web Toolkit Javadoc)

GWT 2.5.0

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java.lang.Object
- com.google.gwt.activity.shared.AbstractActivity

All Implemented Interfaces:

Activity
```
public abstract class AbstractActivity
extends java.lang.Object
implements Activity
```
Simple Activity implementation that is always willing to stop, and does nothing onStop and onCancel.

Constructor Summary

Constructors
Constructor and Description

AbstractActivity()

Method Summary

Methods
Modifier and Type	Method and Description
`java.lang.String`	`mayStop()` Called when the user is trying to navigate away from this activity.
`void`	`onCancel()` Called when `Activity.start(com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.event.shared.EventBus)` has not yet replied to its callback, but the user has lost interest.
`void`	`onStop()` Called when the Activity's widget has been removed from view.

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

Methods inherited from interface com.google.gwt.activity.shared.Activity
start

- Constructor Detail
  - AbstractActivity
```
public AbstractActivity()
```
- Method Detail
  - mayStop
```
public java.lang.String mayStop()
```
    Description copied from interface: Activity
    
    Called when the user is trying to navigate away from this activity.
    
    Specified by:
    
    mayStop in interface Activity
    
    Returns:
    A message to display to the user, e.g. to warn of unsaved work, or null to say nothing
  - onCancel
```
public void onCancel()
```
    Description copied from interface: Activity
    
    Called when Activity.start(com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.event.shared.EventBus) has not yet replied to its callback, but the user has lost interest.
    
    Specified by:
    
    onCancel in interface Activity
  - onStop
```
public void onStop()
```
    Description copied from interface: Activity
    
    Called when the Activity's widget has been removed from view. All event handlers it registered will have been removed before this method is called.
    
    Specified by:
    
    onStop in interface Activity

GWT 2.5.0

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