| Package | Description | 
|---|---|
| com.google.gwt.activity.shared | Classes used to implement app navigation. | 
| com.google.gwt.place.shared | A package for managing bookmarkable locations in an application. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | ActivityManager. onPlaceChange(PlaceChangeEvent event)Deactivate the current activity, find the next one from our ActivityMapper,
 and start it. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | PlaceChangeEvent.Handler. onPlaceChange(PlaceChangeEvent event)Called when a  PlaceChangeEventis fired. |