How to Implement Current Location in Android. Castomize Location

  public void onMapReady(GoogleMap googleMap) {

        mMap = googleMap;
mMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
        // Add a marker in Sydney and move the camera
        LatLng mdu = new LatLng(28.8770363, 76.6119223);
        mMap.addMarker(new MarkerOptions().position(mdu).title("MDU Univercity")

.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN)));
        mMap.moveCamera(CameraUpdateFactory.newLatLng(mdu));
        mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(mdu,10));

    }