Usage of LayarPlayer library (SDK) for BlackBerry 7 -- how to add augmented reality to your app

LayarPlayer.java

/**
 *  Copyright 2011 Layar BV. All rights reserved.  
 *  Support: http://devsupport.layar.com
 *  By implementing the LayarPlayer in your application, you agree to the Terms and Conditions 
 *    described in the Layar_Software_Development_Kit_License_Agreement.pdf file which can be found 
 *    in the LayarPlayer SDK zip file.
 */
package com.test.ARdemo;

import java.util.Hashtable;

import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.decor.BorderFactory;

public class ARdemo extends UiApplication {
    public static void main(String[] args) {
        ARdemo theApp = new ARdemo();       
        theApp.enterEventDispatcher();
    }
    public ARdemo() {        
        pushScreen(new ARview());
    }    
}

final class ARview extends MainScreen {
	
    public final static int LIST_VIEW_ENABLED = 1;
    public final static int MAP_VIEW_ENABLED = 2;
	
    public final static String RADIUS = "radius";
    public final static String RADIOLIST = "RADIOLIST";
    public final static String CHECKBOXLIST = "CHECKBOXLIST";
    public final static String CUSTOM_SLIDER = "CUSTOM_SLIDER";
    public final static String SEARCHBOX = "SEARCHBOX";

    public final static String OAUTH_KEY = "oauth_consumer_key";
    public final static String OAUTH_SECRET = "oauth_consumer_secret";
    
    ARview() {  
    	
        add(new LabelField("Layer name:"));
        final EditField edit = new EditField(USE_ALL_WIDTH);
        edit.setBorder(BorderFactory.createSimpleBorder(new XYEdges(1, 1, 1, 1)));
        add(edit);
        
        ButtonField button = new ButtonField("Show me!");
        button.setChangeListener(new FieldChangeListener() {
		public void fieldChanged(Field field, int context) {

		/**
		 *  LayarPlayer parameters:
		 *  @param layerName 
		 *  @param oauthParameters - Hashtable; required keys: OAUTH_KEY & OAUTH_SECRET
		 *  @param layerFilters - Hashtable; supported keys: 
		 *    RADIUS, RADIOLIST, CHECKBOXLIST, CUSTOM_SLIDER, SEARCHBOX. 
		 *    If there is more then one SEARCHBOX, use the keys SEARCHBOX_1, SEARCHBOX_2, etc. 
		 *    The same applies to CUSTOM_SLIDER.
		 *  @param options - (int), combination of view options bits (0, 1, 2, 3).
		 *    0 - Disable both Map and List view only 
		 *    LIST_VIEW_ENABLED | MAP_VIEW_ENABLED - Enable all views.
		 */
		Hashtable oauthParams = new Hashtable();
		oauthParams.put(OAUTH_KEY, "xxx");
		oauthParams.put(OAUTH_SECRET, "xxx");
		com.layar.player.LayarPlayerController.loadLayerWithName(edit.getText(), oauthParams,
			null, LIST_VIEW_ENABLED | MAP_VIEW_ENABLED);
		}
        });
        add(button);
    }      
}