content: package com.example.gpsapplication;
  
  import android.Manifest;
  import android.app.AlertDialog;
  import android.app.Service;
  import android.content.Context;
  import android.content.DialogInterface;
  import android.content.Intent;
  import android.content.pm.PackageManager;
  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;
  
  import androidx.core.app.ActivityCompat;
  
  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) {
                      if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                          // TODO: Consider calling
                          //    ActivityCompat#requestPermissions
                          // here to request the missing permissions, and then overriding
                          //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
                          //                                          int[] grantResults)
                          // to handle the case where the user grants the permission. See the documentation
                          // for ActivityCompat#requestPermissions for more details.
                          return null;
                      }
                      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;
      }
  }