/*
* DynamicMappableScreen.java
*
* Copyright � 1998-2011 Research In Motion Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Note: For the sake of simplicity, this sample application may not leverage
* resource bundles and resource strings. However, it is STRONGLY recommended
* that application developers make use of the localization features available
* within the BlackBerry development platform to ensure a seamless application
* experience across a variety of languages and geographies. For more information
* on localizing your application, please refer to the BlackBerry Java Development
* Environment Development Guide associated with this release.
*/
package com.rim.samples.device.dynamicmappabledemo;
import net.rim.device.api.lbs.maps.MapDimensions;
import net.rim.device.api.lbs.maps.MapFactory;
import net.rim.device.api.lbs.maps.model.MapPoint;
import net.rim.device.api.lbs.maps.ui.RichMapField;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.container.MainScreen;
/**
* MainScreen class for the Dynamic Mappable Demo
*/
public class DynamicMappableScreen extends MainScreen {
public static final double ORIGIN_LATITUDE = 45.0;
public static final double ORIGIN_LONGITUDE = -75.0;
private static final int ZOOM_LEVEL = 4;
private final RichMapField _map;
/**
* Creates a new DynamicMappableScreen object
*/
public DynamicMappableScreen() {
_map = MapFactory.getInstance().generateRichMapField();
// Set the size of the map field
_map.getMapField().setDimensions(
new MapDimensions(Display.getWidth(), Display.getHeight()));
// Add any dynamic mappables to the model
UpdateManager.getInstance().addMappablesToModel(_map.getModel());
// Add the map to the screen
add(_map);
}
/**
* @see net.rim.device.api.ui.Screen#onUiEngineAttached(boolean)
*/
protected void onUiEngineAttached(final boolean attached) {
super.onUiEngineAttached(attached);
if (attached) {
// Set the location of the map to some random location
_map.getMapField().getAction().setCenter(
new MapPoint(ORIGIN_LATITUDE, ORIGIN_LONGITUDE));
// Set the zoom level of the map
_map.getMapField().getAction().setZoom(ZOOM_LEVEL);
// Now that we know the map is up and running, start the "service"
UpdateManager.getInstance().startService();
}
}
/**
* @see net.rim.device.api.ui.Screen#onClose()
*/
public boolean onClose() {
try {
// Clean up any resources used
_map.close();
} catch (final Exception e) {
}
return super.onClose();
}
}