在Recycleview Kivy中显示不同的小部件类型

from kivy.uix.recycleview import RecycleView
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
from kivy.uix.image import Image
from kivy.adapters.listadapter import ListAdapter
from kivy.uix.recycleview.views import RecycleDataViewBehavior

# 定义不同类型的小部件类
class TextViewWidget(RecycleDataViewBehavior, Label):
    pass

class ImageViewWidget(RecycleDataViewBehavior, Image):
    pass

# 定义RecycleViewAdapter子类
class MyRecycleViewAdapter(ListAdapter):
    def get_view_type(self, index):
        # 根据索引位置判断类型，偶数索引显示文本，奇数索引显示图片
        return 'text' if index % 2 == 0 else 'image'

    def on_create_view(self, view_type):
        # 根据小部件类型创建对应的小部件实例
        if view_type == 'text':
            return TextViewWidget()
        elif view_type == 'image':
            return ImageViewWidget()

    def on_bind_view(self, view, index):
        # 将数据项绑定到小部件实例上
        view.text = self.data[index]['text'] if view.view_type == 'text' else ''
        view.source = self.data[index]['image'] if view.view_type == 'image' else ''

# 创建RecycleView子类
class MyRecycleView(RecycleView):
    def __init__(self, **kwargs):
        super(MyRecycleView, self).__init__(**kwargs)
        # 设置布局和适配器
        self.data = [{'text': 'Text Item {}'.format(i), 'image': 'image{}.png'.format(i)} for i in range(10)]
        self.adapter = MyRecycleViewAdapter(data=self.data, args_converter=self.args_converter)

    def args_converter(self, index, data_item):
        # 将数据项转换为适配器所需的格式
        return {'index': index, 'text': data_item['text'], 'image': data_item['image']}

# 使用MyRecycleView作为根部件
class MyApp(App):
    def build(self):
        return MyRecycleView()

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