Apps Google Map draw path

[seetharam1000]

i designed a google show path between two location. here in the emulator and mobile the google map getting show but path doesnt show, can any one help me

package com.froger.routepathexample;

import java.net.URL;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

import android.os.Bundle;
import android.util.Log;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;

public class MainActivity extends MapActivity {
	private MapView mapView;

	@Override
	protected boolean isRouteDisplayed() { return false; }
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.main);
        mapView = (MapView)findViewById(R.id.mapview);
        //Example data
        double latitudeFrom = 13.080400;
        double longitudeFrom = 80.217500;
        double latitudeTo = 13.002300;
        double longitudeTo = 80.152700;
        
        GeoPoint srcGeoPoint = 
        	new GeoPoint((int)(latitudeFrom * 1E6), (int)(longitudeFrom * 1E6));
        GeoPoint destGeoPoint = 
        	new GeoPoint((int)(latitudeTo * 1E6), (int)(longitudeTo * 1E6));

        drawPath(srcGeoPoint, destGeoPoint, mapView);

        mapView.getController().animateTo(srcGeoPoint);
        mapView.getController().setZoom(15);
    }
    
    private void drawPath(GeoPoint src, GeoPoint dest, MapView mapView) {
		String strUrl = "http://maps.google.com/maps/api/directions/xml?";
	
		//From
		strUrl += "saddr=" +
			   (src.getLatitudeE6()/1.0E6) + 
			   "," +
			   (src.getLongitudeE6()/1.0E6);
		//To
		strUrl += "&daddr=" +
			   (dest.getLatitudeE6()/1.0E6) + 
			   "," + 
			   (dest.getLongitudeE6()/1.0E6);
		//Walk attribute (for walk path)
		strUrl += "&dirflg=w";
		//File format
		strUrl += "&output=kml";
    	
    	try {
    		//Parse KML
			URL url = new URL(strUrl.toString());
			
			SAXParserFactory saxFactory = SAXParserFactory.newInstance();
			SAXParser parser = saxFactory.newSAXParser();
			XMLReader reader = parser.getXMLReader();
			
			KMLHandler kmlHandler = new KMLHandler();
			reader.setContentHandler(kmlHandler);
			
			InputSource inputSource = new InputSource(url.openStream());
			reader.parse(inputSource);

			String path = kmlHandler.getPathCoordinates();
			//Draw path
			if(path != null) {
				RouteOverlay routeOverlay = new RouteOverlay();
				
				String pairs[] = path.split(" ");
				
				for (String pair : pairs) {
					String coordinates[] = pair.split(",");
					GeoPoint geoPoint = new GeoPoint(
							(int) (Double.parseDouble(coordinates[1]) * 1E6),
							(int) (Double.parseDouble(coordinates[0]) * 1E6));
					routeOverlay.addGeoPoint(geoPoint);
				}
				
				mapView.getOverlays().add(routeOverlay);
			}
		} catch (Exception e) {
			Log.w("RoutePath", e.toString());
		}
    }
}

package com.froger.routepathexample;

import java.util.ArrayList;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.RectF;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.Projection;

public class RouteOverlay extends Overlay {
	private ArrayList<GeoPoint> geoPoints;
	private int mRadius = 5;
	
	public RouteOverlay() {
		geoPoints = new ArrayList<GeoPoint>();
	}
	
	public void addGeoPoint(GeoPoint gp) {
		geoPoints.add(gp);	
	}
	
	@Override
	public boolean draw(Canvas canvas, MapView mapView, boolean shadow,
			long when) {
		if (shadow == false) {
			Projection projection = mapView.getProjection();
			Paint paint = new Paint();
			paint.setAntiAlias(true);
			
			GeoPoint geoPointFrom = null;
			GeoPoint geoPointTo = null;
			Point pointFrom = new Point();
			Point pointTo = new Point();
			
			//Route
			for (GeoPoint geoPoint : geoPoints) {
				if(geoPointFrom != null) {
					geoPointTo = geoPoint;
					
					projection.toPixels(geoPointFrom, pointFrom);
					projection.toPixels(geoPointTo, pointTo);
					
					paint.setColor(Color.GREEN);
					paint.setStrokeWidth(5);
					paint.setAlpha(120);
					
					canvas.drawLine(pointFrom.x, pointFrom.y, 
									pointTo.x, pointTo.y, 
									paint);
					
					geoPointFrom = geoPointTo;
				} else {
					geoPointFrom = geoPoint;
				}
			}
			
			//Start point
			paint.setColor(Color.BLUE);
			projection.toPixels(geoPoints.get(0), pointFrom);
			RectF ovalStart = new RectF(pointFrom.x - mRadius, 
										pointFrom.y - mRadius,
										pointFrom.x + mRadius, 
										pointFrom.y + mRadius);
			canvas.drawOval(ovalStart, paint);
			
			//Stop point
			paint.setColor(Color.RED);
			RectF ovalStop = new RectF(pointTo.x - mRadius, 
								   	   pointTo.y - mRadius,
								   	   pointTo.x + mRadius, 
								   	   pointTo.y + mRadius);
			canvas.drawOval(ovalStop, paint);
		}
		
		return super.draw(canvas, mapView, shadow, when);
	}

}

package com.froger.routepathexample;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;


public class KMLHandler extends DefaultHandler {
	private boolean inGeometryCollection = false;
	private boolean inCoordinates = false;
	private String pathCoordinates;
	
	public String getPathCoordinates() { return pathCoordinates; }
	
	@Override
	public void characters(char[] ch, int start, int length)
			throws SAXException {
		if(inGeometryCollection && inCoordinates)
			pathCoordinates = new String(ch, start, length);
	}

	@Override
	public void endElement(String uri, String localName, String qName)
			throws SAXException {
		if(localName.equals("GeometryCollection")) inGeometryCollection = false;
		else if (localName.equals("coordinates")) inCoordinates = false;
	}
	
	@Override
	public void startElement(String uri, String localName, String qName,
			Attributes attributes) throws SAXException {
		if(localName.equals("GeometryCollection")) inGeometryCollection = true;
		else if (localName.equals("coordinates")) inCoordinates = true;
	}
}