locationMeethod.java

 compile 'com.google.android.gms:play-services:9.6.1'
ArrayList<LatLng> locationLatLong = null;

    public void getLocationLatLon(String locationName) {
        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.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;
        }
        if (Geocoder.isPresent()) {
            try {
                Geocoder gc = new Geocoder(this, Locale.getDefault());
                List<Address> addresses = gc.getFromLocationName(locationName, 5);
                if (addresses != null && addresses.size() > 0) {
                    locationLatLong = new ArrayList<>(addresses.size());
                    for (Address a : addresses) {
                        if (a.hasLatitude() && a.hasLongitude()) {
                            locationLatLong.add(new LatLng(a.getLatitude(), a.getLongitude()));
                        }
                    }
                }
          

            } catch (IOException e) {
                // handle the exception
            }
        }
    }