localization on android,

gistfile1.java

/**
 * @author Stephen Krol
 */
package org.mlea;

import android.app.Activity;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {
	
	private LocationManager mLocationManager;
    private TextView infoLabel;
    private Button updateButton;
    
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Setting up the GUI
        setContentView(R.layout.main);
        
        // Retiring some useful GUI objects
        infoLabel = (TextView) findViewById(R.id.info_label);
        updateButton = (Button) findViewById(R.id.update_button);
        updateButton.setOnClickListener(this);
        
        // Getting the instance of the location service
        mLocationManager = 
        	(LocationManager) getSystemService(LOCATION_SERVICE);
        
    }
    
    @Override
    public void onClick(View v) {
    	StringBuilder output = new StringBuilder();
    	
    	output.append("Providers :\n");
    	for(String prov: mLocationManager.getAllProviders()) {
    		output.append(" -- "+prov+" ; ");
    		output.append(
    				"enable="+mLocationManager.isProviderEnabled(prov)+"\n");
    	}
    	
    	String provider = LocationManager.NETWORK_PROVIDER;
    	output.append("\n\n"+"Best Provider: "+provider);
    	
    	Location location = 
    		mLocationManager.getLastKnownLocation(provider);
    	if(location==null){
    		output.append("\n\nNo last Know location, sorry!");
    	}else{
	    	output.append("\n\nlatitude : "+location.getLatitude()+"\n");
	    	output.append("longitud   : "+location.getLongitude()+"\n");
	    	output.append("Accurancy  : "+location.getAccuracy()+"\n");
    	}
    	
    	
    	infoLabel.setText(output.toString());
    }
}