如何将屏幕链接到Kivymd列表中的列表项

from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivymd.list import MDList, OneLineListItem

class MyLayout(BoxLayout):
    def __init__(self, **kwargs):
        super(MyLayout, self).__init__(**kwargs)
        
        # 创建一个MDList对象
        self.list = MDList()
        
        # 将MDList添加到布局中
        self.add_widget(self.list)
        
        # 创建一个按钮，用于将屏幕链接到列表项
        button = Button(text="Link Screen to List Item")
        button.bind(on_release=self.link_screen)
        
        # 将按钮添加到布局中
        self.add_widget(button)
        
    def link_screen(self, instance):
        # 创建一个屏幕对象
        screen = Label(text="Screen Content")
        
        # 创建一个OneLineListItem对象，并将屏幕添加到列表项中
        list_item = OneLineListItem(text="List Item")
        list_item.add_widget(screen)
        
        # 将列表项添加到MDList中
        self.list.add_widget(list_item)

class MyApp(App):
    def build(self):
        return MyLayout()

if __name__ == "__main__":
    MyApp().run()