final FormFieldRenderer field4Renderer = new DateBoxFormFieldRenderer("field4");
final FormField field4 = new FormField(field4Renderer);
formActivity.addFormField(field4);
final FormFieldRenderer field5Renderer = new TextAreaFormFieldRenderer("field5");
final FormField field5 = new FormField(field5Renderer);
formActivity.addFormField(field5);
final TwinListBoxFormFieldRenderer<String> field6Renderer = new TwinListBoxFormFieldRenderer<String>("field6");
final FormField field6 = new FormField(field6Renderer);