Hi All,
Could anyone help me with my below program. I'm unable to put a
transparent label containing the contents from my HelloGoogleMaps.java
class  (Hola, Mundo!) when i click the markers(the android icon) in
the map. I would like to have the ontap event do it for different
markers here so that that particular location details is popped up. It
needs to be in a canvas display. Upon clicking this new canvas label,
it should take me to a seperate activity displaying complete details.


I'm using the sample program given in the Google Android Website
http://developer.android.com/resources/tutorials/views/hello-mapview.html
and i want to extended it to the next level.

Urgent help needed. Thanks in advance..

Let me know if more infomration is requirred

//HelloGoogleMaps.java

import java.util.List;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;

import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;

public class HelloGoogleMaps extends MapActivity {
     MapController mapController;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        MapView mapView = (MapView) findViewById(R.id.mapview);
        mapView.setBuiltInZoomControls(true);
        mapController = mapView.getController();
        mapController.setZoom(2);
        List<Overlay> mapOverlays = mapView.getOverlays();
        Drawable drawable =
this.getResources().getDrawable(R.drawable.androidmarker);
        HelloItemizedOverlay itemizedoverlay = new
HelloItemizedOverlay(drawable,this);

        GeoPoint point = new GeoPoint(45005000,-93228900);
        OverlayItem overlayitem = new OverlayItem(point, "Hola,
Mundo!", "I'm in Mexico City!");
        GeoPoint point2 = new GeoPoint(35410000, 139460000);
        OverlayItem overlayitem2 = new OverlayItem(point2, "wow",
"this is tokyo");
        itemizedoverlay.addOverlay(overlayitem);
        itemizedoverlay.addOverlay(overlayitem2);

        mapOverlays.add(itemizedoverlay);
    }

    @Override
    protected boolean isRouteDisplayed() {
        return false;
    }
}


// HelloItemizedOverlay.java

import java.util.ArrayList;

import android.app.AlertDialog;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.widget.Toast;

import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;

public class HelloItemizedOverlay extends ItemizedOverlay {
     private ArrayList<OverlayItem> mOverlays = new
ArrayList<OverlayItem>();
     Context mContext ;

     public HelloItemizedOverlay(Drawable defaultMarker) {
          super(boundCenterBottom(defaultMarker));

          // TODO Auto-generated constructor stub
     }

     public HelloItemizedOverlay(Drawable defaultMarker, Context
context) {
        super(boundCenterBottom(defaultMarker));
            mContext = context;
     }

     @Override
     protected boolean onTap(int index) {
       OverlayItem item = mOverlays.get(index);
       /*// working below code, just replace */
         AlertDialog.Builder dialog = new
AlertDialog.Builder(mContext);
       dialog.setTitle(item.getTitle());
       dialog.setMessage(item.getSnippet());
       dialog.show();

       // I need to show another dialog opening up on tapping the
above dialog. Need help here:



       return true;
     }

     @Override
     public int size() {
       return mOverlays.size();
     }

     @Override
     protected OverlayItem createItem(int i) {
       return mOverlays.get(i);
     }

     public void addOverlay(OverlayItem overlay) {
         mOverlays.add(overlay);
         populate();
     }


}

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