Tutorial to get current longitude latitude in android application

This in an example to get your current location as toast in your application.

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.getcurrentlocation">

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>

MainActivity.java

package com.getcurrentlocation;



import android.Manifest;

import android.app.Activity;

import android.os.Bundle;

import android.support.v4.app.ActivityCompat;

import android.test.mock.MockPackageManager;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;



public class MainActivity extends Activity {



    Button btnShowLocation;

    private static final int REQUEST_CODE_PERMISSION = 2;

    String mPermission = Manifest.permission.ACCESS_FINE_LOCATION;



    // GPSTracker class

    GPSTracker gps;



    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        try {

            if (ActivityCompat.checkSelfPermission(this, mPermission)

                    != MockPackageManager.PERMISSION_GRANTED) {



                ActivityCompat.requestPermissions(this, new String[]{mPermission},

                        REQUEST_CODE_PERMISSION);



                /*// If any permission above not allowed by user, this condition will

                execute every time, else your else part will work*/

            }

        } catch (Exception e) {

            e.printStackTrace();

        }



        btnShowLocation = (Button) findViewById(R.id.button);



        // show location button click event

        btnShowLocation.setOnClickListener(new View.OnClickListener() {



            @Override

            public void onClick(View arg0) {

                // create class object

                gps = new GPSTracker(MainActivity.this);



                // check if GPS enabled

                if(gps.canGetLocation()){



                    double latitude = gps.getLatitude();

                    double longitude = gps.getLongitude();



                    // \n is for new line

                    Toast.makeText(getApplicationContext(), "Your Location is - \nLat: "+ latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();

                }else{

                    // can't get location

                    // GPS or Network is not enabled

                    // Ask user to enable GPS/network in settings

                    gps.showSettingsAlert();

                }

            }

        });

    }

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/activity_main"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.getcurrentlocation.MainActivity">



    <Button

        android:id = "@+id/button"

        android:layout_width = "fill_parent"

        android:layout_height = "wrap_content"

        android:text = "getlocation"/>

</RelativeLayout>

GPSTracker.java

package com.getcurrentlocation;



import android.app.AlertDialog;

import android.app.Service;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.os.Bundle;

import android.os.IBinder;

import android.provider.Settings;

import android.util.Log;



public class GPSTracker extends Service implements LocationListener {



    private final Context mContext;



    // flag for GPS status

    boolean isGPSEnabled = false;



    // flag for network status

    boolean isNetworkEnabled = false;



    // flag for GPS status

    boolean canGetLocation = false;



    Location location; // location

    double latitude; // latitude

    double longitude; // longitude



    // The minimum distance to change Updates in meters

    private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters



    // The minimum time between updates in milliseconds

    private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute



    // Declaring a Location Manager

    protected LocationManager locationManager;



    public GPSTracker(Context context) {

        this.mContext = context;

        getLocation();

    }



    public Location getLocation() {

        try {

            locationManager = (LocationManager) mContext.getSystemService(LOCATION_SERVICE);



            // getting GPS status

            isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);



            // getting network status

            isNetworkEnabled = locationManager

                    .isProviderEnabled(LocationManager.NETWORK_PROVIDER);



            if (!isGPSEnabled && !isNetworkEnabled) {

                // no network provider is enabled

            } else {

                this.canGetLocation = true;

                // First get location from Network Provider

                if (isNetworkEnabled) {

                    locationManager.requestLocationUpdates(

                            LocationManager.NETWORK_PROVIDER,

                            MIN_TIME_BW_UPDATES,

                            MIN_DISTANCE_CHANGE_FOR_UPDATES, this);



                    Log.d("Network", "Network");

                    if (locationManager != null) {

                        location = locationManager

                                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);



                        if (location != null) {

                            latitude = location.getLatitude();

                            longitude = location.getLongitude();

                        }

                    }

                }



                // if GPS Enabled get lat/long using GPS Services

                if (isGPSEnabled) {

                    if (location == null) {

                        locationManager.requestLocationUpdates(

                                LocationManager.GPS_PROVIDER,

                                MIN_TIME_BW_UPDATES,

                                MIN_DISTANCE_CHANGE_FOR_UPDATES, this);



                        Log.d("GPS Enabled", "GPS Enabled");

                        if (locationManager != null) {

                            location = locationManager

                                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);



                            if (location != null) {

                                latitude = location.getLatitude();

                                longitude = location.getLongitude();

                            }

                        }

                    }

                }

            }



        } catch (Exception e) {

            e.printStackTrace();

        }



        return location;

    }



    /**

     * Stop using GPS listener

     * Calling this function will stop using GPS in your app

     * */



    public void stopUsingGPS(){

        if(locationManager != null){

            locationManager.removeUpdates(GPSTracker.this);

        }

    }



    /**

     * Function to get latitude

     * */



    public double getLatitude(){

        if(location != null){

            latitude = location.getLatitude();

        }



        // return latitude

        return latitude;

    }



    /**

     * Function to get longitude

     * */



    public double getLongitude(){

        if(location != null){

            longitude = location.getLongitude();

        }



        // return longitude

        return longitude;

    }



    /**

     * Function to check GPS/wifi enabled

     * @return boolean

     * */



    public boolean canGetLocation() {

        return this.canGetLocation;

    }



    /**

     * Function to show settings alert dialog

     * On pressing Settings button will lauch Settings Options

     * */



    public void showSettingsAlert(){

        AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);



        // Setting Dialog Title

        alertDialog.setTitle("GPS is settings");



        // Setting Dialog Message

        alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");



        // On pressing Settings button

        alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog,int which) {

                Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);

                mContext.startActivity(intent);

            }

        });



        // on pressing cancel button

        alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int which) {

                dialog.cancel();

            }

        });



        // Showing Alert Message

        alertDialog.show();

    }



    @Override

    public void onLocationChanged(Location location) {

    }



    @Override

    public void onProviderDisabled(String provider) {

    }



    @Override

    public void onProviderEnabled(String provider) {

    }



    @Override

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

    }



    @Override

    public IBinder onBind(Intent arg0) {

        return null;

    }

}