Blackberry引路蜂地图开发示例：放大、缩小

RasterMap的 zoomIn,zoomOut 用来放大缩小地图。

地图开发包下载

Java ME平台地图开发包
LWUIT平台地图开发包
Blackberry 平台地图开发包
Android平台地图开发包
iOS 平台地图开发包
Windows Phone 平台地图开发包
桌面平台(Java SE, .Net Framework)地图开发包
 

[java] 
package com.pstreets.gisengine.demo.rim; 
  
//--------------------------------- IMPORTS ------------------------------------  
import com.mapdigit.gis.geometry.GeoLatLng; 
import com.mapdigit.gis.raster.MapType; 
import com.pstreets.gisengine.demo.MapDemoRIM; 
import net.rim.device.api.ui.component.Menu; 
import net.rim.device.api.ui.MenuItem; 
  
//[------------------------------ MAIN CLASS ----------------------------------]  
/**
 *  map zoom demo for Guidebee Map API on MIDP platform.
 * <hr><b>© Copyright 2011 Guidebee, Inc. All Rights Reserved.</b>
 * @version     1.00, 09/02/11
 * @author      Guidebee Pty Ltd.
 */ 
public class MapZoomRIM extends MapDemoRIM { 
  
    /**
     * Entry point for application
     * @param args Command line arguments (not used)
     */ 
    public static void main(String[] args) 
    { 
        // Create a new instance of the application and make the currently  
        // running thread the application's event dispatch thread.  
        MapZoomRIM theApp = new MapZoomRIM();       
        theApp.enterEventDispatcher(); 
    } 
     
    private MenuItem mapZoomInMenuItem=new MenuItem("Zoom In",0,0){ 
          public void run(){ 
              map.zoomIn(); 
            } 
        }; 
    private MenuItem mapZoomOutMenuItem=new MenuItem("Zoom Out",1,0){ 
          public void run(){ 
              map.zoomOut(); 
            } 
        }; 
  
    public MapZoomRIM() { 
        init(); 
        pushScreen(canvas); 
        GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778); 
        map.setCenter(center, 13, MapType.MICROSOFTCHINA); 
  
    } 
  
     protected void createMenu(Menu menu, int instance){ 
         menu.add(mapZoomInMenuItem); 
         menu.add(mapZoomOutMenuItem); 
                        } 
} 

package com.pstreets.gisengine.demo.rim;
 
//--------------------------------- IMPORTS -------------------