AndroidAnnotations + RoboBinding + Saripaar

Foo.java

// (AndroidAnnotations)
@EViewGroup(R.layout.view_foo)
class Foo extends LinearLayout implements PresentationModel<Bar> {
    Bar model;
    Listener listener;
    // (Saripaar)
    Validator validator;
    // (AndroidAnnotations) + (Saripaar)
    @ViewById @Required TextView foo_tv_goo;

    public Foo(Context context, Bar model, Listener listener) {
        this.model = model;
        this.listener = listener;
    }

    @Override public Bar get() {
        return model;
    }

    @AfterViews void setup() {
        // (RoboBinding)
        Binders.bindView(/* View */ this, /* PresentationModel */ this);
        // (Saripaar)
        validator = new Validator(this);
        validator.setValidationListener(this);
    }

    @Click(R.id.foo_bt_save) void saveClicked() {
        validator.validate();
    }

    /* ValidationListener methods */

    public void onValidationSucceeded() {
        // Listener use get() to peek updated model
        listener.done();
    }

    public static interface Listener {
        void done();
    }
}