Blackberry GPS and BlackBerry Maps Посібник - Сторінка 16

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Development Guide
View a sample application that displays a location on a map
1.
From the BlackBerry® Integrated Development Environment, launch the BlackBerryMapsDemo project.
2.
In the BlackBerry Smartphone Simulator, click BlackBerry Maps Demo.
3.
Open the menu and click Invoke Location Document.
4.
Open the menu and click View Single Location.
5.
To view more details, from the application menu, select Details.

Open BlackBerry Maps to display multiple locations on a map

1.
Import the following classes:
• net.rim.blackberry.api.invoke.Invoke
• net.rim.blackberry.api.invoke.MapsArguments
2.
Create a String that contains location information for multiple locations.
String document = "<location-document>" + "<location lon='-8030000'
lat='4326000' label='Kitchener, ON' description='Kitchener, Ontario,
Canada' />" + "<location lon='-7569792' lat='4542349' label='Ottawa, ON'
description='Ottawa, Ontario, Canada' />" + "</location-document>";
3.
Invoke invokeApplication() using the APP_TYPE_MAPS constant parameter, a new MapsArguments
object that uses the ARG_LOCATION_DOCUMENT property, and the location String.
Invoke.invokeApplication(Invoke.APP_TYPE_MAPS, new MapsArguments
( MapsArguments.ARG_LOCATION_DOCUMENT, document));
14
Displaying location information on a BlackBerry device