private void buildLocationCallback() {
		foregroundlocationcallback = new LocationCallback() {
			@SuppressLint("MissingPermission")
			@Override
			public void onLocationResult(LocationResult locationResult) {

				super.onLocationResult(locationResult);
				for (Location location : locationResult.getLocations()) {
					Log.d("currentlocation", "foregroundlocation" + location.getLatitude());
					curretLatLng = new LatLng(location.getLatitude(),
							location.getLongitude());
					currenttruelatlong = new LatLng(location.getLatitude(),
							location.getLongitude());
					isSource = true;
					setMarker(curretLatLng, isSource);
					map.setMyLocationEnabled(true);;
					setMarkerOnRoad(curretLatLng, curretLatLng);
					animateCameraToMarker(curretLatLng, true);
				}


			}
		};

	}