Groovy on Android

MainActivity.groovy

@CompileStatic
public class MainActivity extends ActionBarActivity {
    TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.text) as TextView;

        def model = new Model();
        model.items.add("ok");
        model.items.add("otro");

        model.items.each { String key ->
            Log.d("ACA", "Tengo $key");
        }

        // Fluent.groovy from https://gist.github.com/melix/355185ffbc1332952cc8
        Fluent.async {
            new URL('http://google.com').getText("utf-8")
        }.then { text ->
            textView.setText(text as String);
        }
    }
}

Model.groovy

@CompileStatic
class Model {
    String name = "Hola";
    List<String> items = []
}