Android Geocoding

geocode.xml layout:

 <?xml version="1.0" encoding="utf-8"?>
<!-- This file is /res/layout/geocode.xml -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="fill_parent" android:layout_height="fill_parent">
   <LinearLayout android:layout_width="fill_parent"
        android:layout_alignParentBottom="true" android:layout_height="wrap_content"
        android:orientation="vertical">
        <EditText android:layout_width="fill_parent" android:id="@+id/location"
             android:layout_height="wrap_content" android:text="White House" />
        <Button android:id="@+id/geocodeBtn" android:layout_width="wrap_content"
             android:layout_height="wrap_content" android:text="Find Location" />
   </LinearLayout>
   <com.google.android.maps.MapView
        android:id="@+id/geoMap" android:clickable="true"
        android:layout_width="fill_parent" android:layout_height="320px"
        android:apiKey="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" />
</RelativeLayout>

GeocodingDemoActivity.java main activity class:

 package com.gda;
import java.io.IOException;
import java.util.List;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
public class GeocodingDemoActivity extends MapActivity
{
Geocoder geocoder = null;
MapView mapView = null;
@Override
protected boolean isLocationDisplayed() {
  return false;
}
@Override
protected boolean isRouteDisplayed() {
  return false;
}
@Override
protected void onCreate(Bundle savedInstanceState)
{
  super.onCreate(savedInstanceState);
  setContentView(R.layout.geocode);
  mapView = (MapView)findViewById(R.id.geoMap);
  mapView.setBuiltInZoomControls(true);
  // lat/long of IICP
  GeoPoint pt = new GeoPoint((int)(5.34079*1000000),(int)(100.28241*1000000));
  mapView.getController().setZoom(10);
  mapView.getController().setCenter(pt);
  Button geoBtn =(Button)findViewById(R.id.geocodeBtn);
  geocoder = new Geocoder(this);
  geoBtn.setOnClickListener(new OnClickListener(){
  @Override
  public void onClick(View arg0) {
    try {
      EditText loc = (EditText)findViewById(R.id.location);
      String locationName = loc.getText().toString();
      List<Address> addressList = geocoder.getFromLocationName(locationName, 5);
      if(addressList!=null && addressList.size()>0)
      {
        int lat = (int)(addressList.get(0).getLatitude()*1000000);
        int lng = (int)(addressList.get(0).getLongitude()*1000000);
        GeoPoint pt = new GeoPoint(lat,lng);
        mapView.getController().setZoom(15);
        mapView.getController().setCenter(pt);
      }
    } catch (IOException e) {
      e.printStackTrace();
    }
  }});
}
}