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
GPSTracking
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
GPSTracking(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
;
}
}
Follow below steps for implementation of that code in your own code.1. Check GPS is enabled or not :
GPSTracking gps = new GPSTracking(this);
if(gps.canGetLocation()){
}
2. Get lat, lng of current location :
gps.getLatitude();
gps.getLongitude();