Location Manager: Getting User Current Location using GPS Example in Android

main.xml

 <?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/gps_text"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
</LinearLayout>

CurrentLocationActivity.java

package com.rajeshvijayakumar.gps;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

import android.app.Activity;
import android.content.Context;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;

public class CurrentLocationActivity extends Activity {

    /** Called when the activity is first created. */

    private TextView gpsLocationView;
    private List<Address> addresses;
    private    String text;
    @Override

    public void onCreate(Bundle savedInstanceState)    {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);
    gpsLocationView=(TextView) findViewById(R.id.gps_text);
    /* Use the LocationManager class to obtain GPS locations */
    LocationManager mlocManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
    LocationListener mlocListener = new MyLocationListener();
    mlocManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, mlocListener);
    }

    /* Class My Location Listener */
    public class MyLocationListener implements LocationListener    {

        @Override
        public void onLocationChanged(Location loc){
            loc.getLatitude();
            loc.getLongitude();
            Geocoder gcd = new Geocoder(getApplicationContext(), Locale.getDefault());
             try {
                addresses = gcd.getFromLocation(loc.getLatitude(),loc.getLongitude(), 1);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            String text=(addresses!=null)?"City : "+addresses.get(0).getSubLocality()+"\n Country : "+addresses.get(0).getCountryName():"Unknown Location";

            String locationValue = "My current location is: "+ text;
            gpsLocationView.setText(locationValue);
        }

        @Override
        public void onProviderDisabled(String provider){
            Toast.makeText( getApplicationContext(),"Gps Disabled",Toast.LENGTH_SHORT ).show();
        }

        @Override
        public void onProviderEnabled(String provider){
            Toast.makeText( getApplicationContext(),"Gps Enabled",Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onStatusChanged(String provider, int status, Bundle extras){
            }
    }
}


Source code :  Download this example