Hi Arvind this is an example for u...
ItemizedOverlay Example:
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package samp.sam11;
//import mapv.mapapi.R;
import java.io.IOException;
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 de.michaelhuebl.android.R;
//import de.michaelhuebl.android.simpleGoogleMaps;
import android.view.View;
import android.view.View.OnClickListener;
import android.app.AlertDialog;
import android.app.Dialog;
import android.graphics.drawable.Drawable;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
public class sam1 extends MapActivity {
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
/** Called when the activity is first created. */
MapView mapView;
EditText edt;
Button bttn;
Geocoder gc;
double lat;
double lon;
List<Overlay> mapOverlays;
Drawable drawable;
HelloItemizedOverlay itemizedOverlay;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapView = (MapView) findViewById(R.id.mapview);
edt=(EditText)findViewById(R.id.edt);
bttn=(Button)findViewById(R.id.bttn);
gc=new Geocoder(this);
bttn.setOnClickListener(new OnClickListener(){
public void onClick(View v)
{
String str=edt.getText().toString();
try {
List<Address>
loc=gc.getFromLocationName(str,7);
if(loc.size()!=0)
{
for(int i=0;i<loc.size();++i){
Address x=loc.get(i);
lat=x.getLatitude();
lon=x.getLongitude();
}
gotolocation((lat*1000000),(lon*1000000),mapView);
}
else
{
Dialog locationError = new
AlertDialog.Builder(
sam1.this).setIcon(0).setTitle(
"Error").setPositiveButton(R.string.ok, null)
.setMessage(
"Sorry, your address doesn't exist.")
.create();
locationError.show();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
}
public void gotolocation(double latitude,double longitude,MapView
mymap)
{
GeoPoint p=new GeoPoint((int) latitude,(int) longitude);
mapOverlays = mapView.getOverlays();
drawable = this.getResources().getDrawable
(R.drawable.androidmarker);
itemizedOverlay = new HelloItemizedOverlay(drawable);
mapView.displayZoomControls(true);
OverlayItem overlayitem = new OverlayItem(p, "", "");
itemizedOverlay.addOverlay(overlayitem);
mapOverlays.add(itemizedOverlay);
MapController mc=mapView.getController();
mc.animateTo(p);
int zoomlevel=mapView.getMaxZoomLevel();
mc.setZoom(zoomlevel - 1);
mapView.setSatellite(false);
}
}
HelloItemizedOverlay Class file:
-------------------------------------------------
package samp.sam11;
import java.util.ArrayList;
import android.graphics.drawable.Drawable;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;
public class HelloItemizedOverlay extends ItemizedOverlay {
private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>
();
public HelloItemizedOverlay(Drawable defaultMarker) {
super(boundCenterBottom(defaultMarker));
// TODO Auto-generated constructor stub
}
public void addOverlay(OverlayItem overlay) {
mOverlays.add(overlay);
populate();
}
@Override
protected OverlayItem createItem(int i) {
// TODO Auto-generated method stub
return mOverlays.get(i);
}
@Override
public int size() {
// TODO Auto-generated method stub
return mOverlays.size();
}
}
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