import ohos.agp.components.Component;
import ohos.agp.components.ComponentContainer;
import ohos.agp.components.ListContainer;
import ohos.agp.components.Text;
import ohos.app.Context;
import ohos.bundle.ElementName;
import ohos.data.distributed.common.Entry;

public class MyComponentProvider extends ComponentProvider {

    private List<Entry> dataList; // 你的数据源

    public MyComponentProvider(Context context, int layoutRes, List<Entry> dataList) {
        super(context, layoutRes);
        this.dataList = dataList;
    }

    @Override
    public int getCount() {
        return dataList.size();
    }

    @Override
    public Component getComponent(int position, Component component, ComponentContainer componentContainer) {
        ViewHolder viewHolder;
        if (component == null) {
            component = LayoutScatter.getInstance(getContext()).parse(ResourceTable.Layout_item_layout, null, false);
            viewHolder = new ViewHolder();
            viewHolder.textTitle = (Text) component.findComponentById(ResourceTable.Id_title_text);
            viewHolder.textSubtitle = (Text) component.findComponentById(ResourceTable.Id_subtitle_text);
            component.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) component.getTag();
        }

        // 设置数据
        Entry data = dataList.get(position);
        viewHolder.textTitle.setText(data.getString("title"));
        viewHolder.textSubtitle.setText(data.getString("subtitle"));

        return component;
    }

    private static class ViewHolder {
        Text textTitle;
        Text textSubtitle;
    }
}