class SimpleRecycleView(RecycleView): def __init__(self, **kwargs): super(SimpleRecycleView, self).__init__(**kwargs) self.viewclass = 'Label' self.layout_manager = RecycleBoxLayout( orientation='vertical', default_size=(None, 56), default_size_hint=(1, None), size_hint_y=None ) self.add_widget(self.layout_manager) self.data = [{"text": f"Something {i}"} for i in range(1, 11)] class MainApp(App): def build(self): return SimpleRecycleView() if __name__ == "__main__": MainApp().run() In theory this is good. there is no error. but it does not have data on window. Where am I going wrong???? Continue reading...