Ajout de superposition à OSMDROID

J'ai été aux prises avec ce temps.
Je suis en train d'ajouter de Superposition sur ma carte.
Je suis à l'aide de l'open source OSMdroid. mais tout ce que je reçois par l'exemple est une simple ligne rouge d'un coin à un autre.
Mon objectif est d'ajouter l'icône d'où mon geoPoint est réglé.

voici mon code:

 package osmdemo.demo;
import java.util.List;
import microsoft.mappoint.TileSystem;
import org.osmdroid.tileprovider.tilesource.TileSourceFactory;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapController;
import org.osmdroid.views.MapView;
import org.osmdroid.views.MapView.Projection;
import org.osmdroid.views.overlay.Overlay;
import org.osmdroid.views.overlay.ScaleBarOverlay;
import org.osmdroid.views.util.constants.MapViewConstants;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.location.LocationManager;
import android.os.Bundle;
public class map extends Activity implements MapViewConstants
{
/** Called when the activity is first created. */
protected static final String PROVIDER_NAME = LocationManager.GPS_PROVIDER;
MapController mapController;
MapView mapView;
ScaleBarOverlay mScaleBarOverlay;
private MapOverlay mmapOverlay = null;
private LocationManager mLocMgr;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapView = (MapView) findViewById(R.id.mapview);
mapView.setTileSource(TileSourceFactory.MAPNIK);
mapView.setBuiltInZoomControls(true);
mapView.setMultiTouchControls(true);
mapController = mapView.getController();
mapController.setZoom(20);
GeoPoint point2 = new GeoPoint(31.987968, 34.783069);
mapController.setCenter(point2);
this.mmapOverlay = new MapOverlay(this);
List<Overlay> listOfOverlays = mapView.getOverlays();
listOfOverlays.add(mmapOverlay);
mapView.invalidate();
}
public class MapOverlay extends org.osmdroid.views.overlay.Overlay
{
public MapOverlay(Context ctx)
{
super(ctx);
//TODO Auto-generated constructor stub
}
@Override
protected void draw(Canvas pC, MapView pOsmv, boolean shadow)
{
if (shadow)
return;
Paint lp3;
lp3 = new Paint();
lp3.setColor(Color.RED);
lp3.setAntiAlias(true);
lp3.setStyle(Style.STROKE);
lp3.setStrokeWidth(1);
lp3.setTextAlign(Paint.Align.LEFT);
lp3.setTextSize(12);
//Calculate the half-world size
final Rect viewportRect = new Rect();
final Projection projection = pOsmv.getProjection();
final int zoomLevel = projection.getZoomLevel();
int mWorldSize_2 = TileSystem.MapSize(zoomLevel) / 2;
//Save the Mercator coordinates of what is on the screen
viewportRect.set(projection.getScreenRect());
//DON'T set offset with either of below
//viewportRect.offset(-mWorldSize_2, -mWorldSize_2);
//viewportRect.offset(mWorldSize_2, mWorldSize_2);
//Draw a line from one corner to the other
pC.drawLine(viewportRect.left, viewportRect.top,
viewportRect.right, viewportRect.bottom, lp3);
}
public void onProviderDisabled(String arg0)
{
}
public void onProviderEnabled(String provider)
{
}
}
}

c'est mon Manifeste:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test.overlay" android:versionCode="1" android:versionName="1.0">
<uses-sdk android:minSdkVersion="3" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application >
<activity android:name=".OverlayDemo" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

Merci d'avance,

ray.

source d'informationauteur rayman