Creating a Routes ListView
Now let’s create a new activity to display the routes in a list.
1. Create a new activity called RoutesActivity using the activity wizard. Select Blank Activity as the template for the new Activity, and set the title as Routes.
2. In the RoutesActivity.java class, change the class so that it extends ListActivity rather than Activity:
public class RoutesActivity extends ListActivity
3. In the res/values/strings.xml file, add a new resource for the routes menu:
<string name="menu_routes" >Routes</string>
4. In res/menu/activity_settings.xml, add a new menu item after the existing XML item node. Specify these attributes: android:id with a value of @+id/menu_routes ...
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