Blackberry JAVA DEVELOPMENT ENVIRONMENT - - GPS AND MAPS - DEVELOPMENT GUIDE Manuale Utente Scaricare il pdf (Pagina 19)

For RIM and BlackBerry partner use only. Beta documentation. Content and software are subject to change.

3: Displaying location information on a BlackBerry device

Open BlackBerry Maps to display the default map view

> To display the last map that the BlackBerry® device user viewed, from a BlackBerry Application, invoke

invokeApplication() using a new MapsArguments object that does not contain any arguments, for

example,

Invoke.invokeApplication( Invoke.APP_TYPE_MAPS, new MapsArguments() );

View a sample application that displays the default map

1. From the BlackBerry® Integrated Development Environment, start the BlackBerryMapsDemo project.

2. In the BlackBerry Smartphone Simulator, click BlackBerry Maps Demo.

3. Open the menu and click Invoke Default.

4. Open the menu and click View Map. BlackBerry® Maps displays the following map:

Open BlackBerry Maps to display a location on a map

1. Create a String that contains location information for one location, for example

String document = "<lbs><location lon='-7938675' lat='4367022' label='Toronto, ON'

description='Toronto' zoom='10'/></lbs>";

2. Invoke invokeApplication() using the APP_TYPE_MAPS constant parameter, a new MapsArguments object

that uses the

ARG_LOCATION_DOCUMENT property and the location String, for example

Invoke.invokeApplication(Invoke.APP_TYPE_MAPS, new MapsArguments(

MapsArguments.ARG_LOCATION_DOCUMENT, document));

View a sample application that displays a location on a map

1. From the BlackBerry® Integrated Development Environment, start the BlackBerryMapsDemo project.

2. In the BlackBerry Smartphone Simulator, click BlackBerry Maps Demo.

3. Open the menu and click Invoke Location Document.

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Blackberry JAVA DEVELOPMENT ENVIRONMENT - - GPS AND MAPS - DEVELOPMENT GUIDE Manuale Utente Pagina 19