Created
February 10, 2018 08:00
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public class GPSTracker extends Service implements LocationListener { | |
private Context mContext; | |
private Activity mActivity; | |
// flag for GPS status | |
boolean isGPSEnabled = false; | |
// flag for network status | |
boolean isNetworkEnabled = false; | |
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 GPSTracker(Activity activity) { | |
this.mActivity = activity; | |
getLocation(); | |
} | |
public boolean canGetLocation() { | |
return this.canGetLocation; | |
} | |
public Location getLocation() { | |
try { | |
locationManager = (LocationManager) mActivity | |
.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(mActivity, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(mActivity, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { | |
Dexter.withActivity(this.mActivity) | |
.withPermissions( | |
Manifest.permission.ACCESS_COARSE_LOCATION, | |
Manifest.permission.ACCESS_FINE_LOCATION) | |
.withListener(new MultiplePermissionsListener() { | |
@Override | |
public void onPermissionsChecked(MultiplePermissionsReport report) { | |
// check if all permissions are granted | |
if (report.areAllPermissionsGranted()) { | |
// do you work now | |
} | |
// check for permanent denial of any permission | |
if (report.isAnyPermissionPermanentlyDenied()) { | |
// permission is denied permenantly, navigate user to app settings | |
} | |
} | |
@Override | |
public void onPermissionRationaleShouldBeShown(List<PermissionRequest> permissions, PermissionToken token) { | |
token.continuePermissionRequest(); | |
} | |
}) | |
.onSameThread() | |
.check(); | |
} | |
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; | |
} | |
/** | |
* Function to show settings alert dialog | |
* On pressing Settings button will lauch Settings Options | |
*/ | |
public void showSettingsAlert() { | |
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mActivity); | |
// 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); | |
mActivity.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(); | |
} | |
/** | |
* 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; | |
} | |
@Nullable | |
@Override | |
public IBinder onBind(Intent intent) { | |
return null; | |
} | |
@Override | |
public void onLocationChanged(Location location) { | |
} | |
@Override | |
public void onStatusChanged(String provider, int status, Bundle extras) { | |
} | |
@Override | |
public void onProviderEnabled(String provider) { | |
} | |
@Override | |
public void onProviderDisabled(String provider) { | |
} | |
} |
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