Python Kivy RecycleView。如何根据单元格的数据值更改Recycleview表的背景色

from kivy.uix.recycleview import RecycleBoxLayout

class CustomRecycleBoxLayout(RecycleBoxLayout):
    def add_widget(self, widget, index=0):
        if isinstance(widget, RecycleDataViewBehavior):
            # 获取单元格的数据值
            data_value = widget.get_data_value()
            
            # 根据数据值设置背景色
            if data_value == 'value1':
                widget.background_color = (1, 0, 0, 1)  # 红色背景
            elif data_value == 'value2':
                widget.background_color = (0, 1, 0, 1)  # 绿色背景
            else:
                widget.background_color = (1, 1, 1, 1)  # 默认白色背景
        
        super().add_widget(widget, index)

from kivy.uix.recycleview.views import RecycleDataViewBehavior
from kivy.uix.recycleview.data import RecycleDataAdapter

class CustomRecycleDataAdapter(RecycleDataAdapter):
    def create_view(self, index, data_item, viewclass):
        view = super().create_view(index, data_item, viewclass)
        view.background_color = (1, 1, 1, 1)  # 设置默认背景色为白色
        return view

from kivy.app import App
from kivy.uix.recycleview import RecycleView

class CustomRecycleView(RecycleView):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.data = [{'text': 'value1'}, {'text': 'value2'}, {'text': 'value3'}]  # 示例数据

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

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