With Android 3.0 (Honeycomb, API level 11), Android introduced a uniform title, such as a widget that docks to the top of the screen, called ActionBar. It allows apps to add activity-specific actions to the top of the device screen, just below the status bar. We will define two actions for the POIListActivity class: New, to create a new POI, and Refresh, to refresh the cache of POIs from the device's local storage.
The Activity class provides the following virtual methods that can be overridden to add actions:
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Virtual Method |
Description |
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It allows the creation of the actions either through API calls or through inflating an XML definition |
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It is called when an action in |