Thursday, 12 December 2013

How to get user location in android.

Here we learn how to get user location , how to get latitude and longitude and also the address.

As there are two ways by which we can get user location :
  1. Using GPS
  2. Using Network

Pros and Cons:

  • GPS is most accurate, it quickly consumes battery power, and doesn't return the location as quickly as users want.
  • Network Location Provider determines user location using cell tower and Wi-Fi signals, providing location information in a way that works indoors and outdoors, responds faster, and uses less battery power.
Here we get location using network provider. Later on we will discuss about how to get location using GPS.

In order to get location we use the "LocationManager" class by calling "requestLocationUpdates()".
We also need to implement the "LocationListener" interface. This provide us the latitude and longitude.
If you want to get the location by name , use Geocoder class . In this class we pass the latitude and longitude and the address of that position.
To get the location in application , we need to add following permissions to the AndroidMainfest.xml file.
Allows an app to access approximate location derived from network location sources such as cell towers and Wi-Fi.
Allows an app to access precise location from location sources such as GPS, cell towers, and Wi-Fi.
Allows applications to open network sockets

Create a project with the following details:
  • ProjectName: LocationDemo
  • PackageNamesat.tuts4mobile.locationdemo
  • ActivityNameMainActivity
In the file, copy the following code

package sat.tuts4mobile.locationdemo;

import java.util.List;
import java.util.Locale;

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.view.Menu;
import android.widget.TextView;

public class MainActivity extends Activity implements LocationListener{

    protected LocationManager locationManager;
    TextView text;
    String data = "";
    protected void onCreate(Bundle savedInstanceState) {
        text = (TextView) findViewById(;
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this);

    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(, menu);
        return true;

    public void onLocationChanged(Location location) {
        // TODO Auto-generated method stub
        String addressline = "";
        location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
        Geocoder geocoder = new Geocoder(MainActivity.this,Locale.getDefault());
        try {
            List<Address> addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
            if(addresses.size() ==  1)
                Address address = addresses.get(0);
                String aline = "";
                for (int i = 0; i < address.getMaxAddressLineIndex(); i++)
                    aline = aline + address.getAddressLine(i) + "\n";
                addressline = "Address Line : " + aline ;
        } catch (Exception e) {
            // TODO: handle exception
        String temp = "Latitude:" + location.getLatitude() + "\nLongitude:" + location.getLongitude() + "\n" + addressline + "\n";
        data = data + temp;

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

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

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


In the activity_main.xml file, copy the following code:

 <RelativeLayout xmlns:android=""
    tools:context=".MainActivity" >

        android:layout_height="wrap_content" >

            android:text="@string/hello_world" />


In the AndroidMainfest.xml file, copy the following code:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android=""
    android:versionName="1.0" >

        android:targetSdkVersion="14" />

        android:theme="@style/AppTheme" >
            android:label="@string/app_name" >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.INTERNET"/>


Please test this application in real device(mobile phone) , not in emulator.
If you are running this Android app with emulator, you need to send the latitude and longitude explicitly for the emulator. How to send latitude and longitude to android emulator -
  1. Open DDMS perspective in Eclipse (Window -> Open Perspective)
  2. Select your emulator device
  3. Select the tab named emulator control
  4. In ‘Location Controls’ panel, ‘Manual’ tab, give the Longitude and Latitude as input and ‘Send’.
When you run the application you see the following screens:

After some time when location changes , its gives you new location details.


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  3. I should thank you for sharing this code, it was very helpful for me.Keep updating..
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  4. Thanks for the information.

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