Latitude and Longitude using Location Manager API Android

Following example is to obtain lat and long

import java.util.ArrayList;

import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.Menu;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity implements LocationListener {

    LocationManager locationManager;
    String provider;
    private List<String> repId = new ArrayList<String>();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Getting LocationManager object
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        // Creating an empty criteria object
        Criteria criteria = new Criteria();
        provider = locationManager.getBestProvider(criteria, true);

        // Getting the name of the provider that meets the criteria

        if (provider != null && !provider.equals("")) {

            // Get the location from the given provider
            Location location = locationManager.getLastKnownLocation(provider);

            locationManager.requestLocationUpdates(provider, 20000, 1, this);

            if (location != null)
                onLocationChanged(location);
            else {
                Toast.makeText(getBaseContext(), "Location can't be retrieved",
                        Toast.LENGTH_SHORT).show();
                checkForNetworkProvider();
            }

        } else {
            Toast.makeText(getBaseContext(), "No Provider Found",
                    Toast.LENGTH_SHORT).show();
        }
    }

    private void checkForNetworkProvider() {

        repId = locationManager.getAllProviders();
        for (String pri : repId) {
            System.out.println("print providers are" + pri);
        }

        Location location = locationManager
                .getLastKnownLocation(locationManager.NETWORK_PROVIDER);
        if (location != null)
            onLocationChanged(location);
        else {
            Toast.makeText(getBaseContext(), "Location can't be retrieved",
                    Toast.LENGTH_SHORT).show();

        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    @Override
    public void onLocationChanged(Location location) {
        // Getting reference to TextView tv_longitude
        TextView tvLongitude = (TextView) findViewById(R.id.tv_longitude);

        // Getting reference to TextView tv_latitude
        TextView tvLatitude = (TextView) findViewById(R.id.tv_latitude);

        // Setting Current Longitude
        tvLongitude.setText("Longitude:" + location.getLongitude());

        // Setting Current Latitude
        tvLatitude.setText("Latitude:" + location.getLatitude());
    }

    @Override
    public void onProviderDisabled(String provider) {
        // TODO Auto-generated method stub
    }

    @Override
    public void onProviderEnabled(String provider) {
        // TODO Auto-generated method stub
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        // TODO Auto-generated method stub
    }
}

Layout file:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
   
    <TextView
        android:id="@+id/tv_location"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:text="@string/str_tv_location"
        android:textStyle="bold" />
   
    <TextView
        android:id="@+id/tv_longitude"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/tv_location"
        android:layout_centerHorizontal="true" />
   
    <TextView
        android:id="@+id/tv_latitude"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/tv_longitude"
        android:layout_centerHorizontal="true"/>

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/tv_latitude"
        android:layout_marginLeft="34dp"
        android:layout_marginTop="28dp"
        android:background="@android:color/black"
        android:src="@drawable/ic_launcher" />

</RelativeLayout>

Manifest Permissions:

 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />   
 <uses-permission android:name="android.permission.INTERNET" />

Strings

 <string name="title_activity_main">Location From GPS</string>

 <string name="str_tv_location">Current Location</string>

SourceCode