Android Studio - Google Maps Api v2 - Añadiendo puntos

AndroidManifest.xml

(reemplazar paquete si es necesario !!! )

  <permission
        android:name="com.example.usuario.antutgooglemaps.permission.MAPS_RECEIVE"        android:protectionLevel="signature" />

    <uses-permission android:name="com.example.usuario.antutgooglemaps.permission.MAPS_RECEIVE" />    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

MainActivity.java

import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }
    
    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;

       Antut(googleMap);
    }


    public void Antut (GoogleMap googleMap) {
        mMap = googleMap;

        final LatLng punto1 = new LatLng(40.4190531,-3.6936194);
        final LatLng punto2 = new LatLng(38.4190531,-3.6936194);
        mMap.addMarker(new MarkerOptions().position(punto1).title("Madrid-España").icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ORANGE)));
        mMap.addMarker(new MarkerOptions().position(punto2).title("Punto2").icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN)));


    }



}