onBindViewHolder函数中Android RecyclerView多视图的公共持有者变量

public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<Object> mDataList;

    // 定义多个视图类型的常量
    private static final int VIEW_TYPE_IMAGE = 0;
    private static final int VIEW_TYPE_TEXT = 1;

    // 定义公共持有者变量
    public abstract class BaseViewHolder extends RecyclerView.ViewHolder {
        public BaseViewHolder(View itemView) {
            super(itemView);
        }

        public abstract void bindData(Object data);
    }

    // 定义图片视图持有者
    public class ImageViewHolder extends BaseViewHolder {
        private ImageView mImageView;

        public ImageViewHolder(View itemView) {
            super(itemView);
            mImageView = itemView.findViewById(R.id.image_view);
        }

        @Override
        public void bindData(Object data) {
            // 绑定图片数据到ImageView
            // ...
        }
    }

    // 定义文字视图持有者
    public class TextViewHolder extends BaseViewHolder {
        private TextView mTextView;

        public TextViewHolder(View itemView) {
            super(itemView);
            mTextView = itemView.findViewById(R.id.text_view);
        }

        @Override
        public void bindData(Object data) {
            // 绑定文字数据到TextView
            // ...
        }
    }

    @Override
    public int getItemViewType(int position) {
        // 根据数据类型返回对应的视图类型
        Object data = mDataList.get(position);
        if (data instanceof ImageData) {
            return VIEW_TYPE_IMAGE;
        } else if (data instanceof TextData) {
            return VIEW_TYPE_TEXT;
        }
        return super.getItemViewType(position);
    }

    @NonNull
    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        // 根据视图类型创建对应的视图持有者
        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        if (viewType == VIEW_TYPE_IMAGE) {
            View itemView = inflater.inflate(R.layout.item_image, parent, false);
            return new ImageViewHolder(itemView);
        } else if (viewType == VIEW_TYPE_TEXT) {
            View itemView = inflater.inflate(R.layout.item_text, parent, false);
            return new TextViewHolder(itemView);
        }
        return null;
    }

    @Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
        // 根据视图类型绑定数据到对应的视图持有者
        Object data = mDataList.get(position);
        if (holder instanceof ImageViewHolder) {
            ((ImageViewHolder) holder).bindData(data);
        } else if (holder instanceof TextViewHolder) {
            ((TextViewHolder) holder).bindData(data);
        }
    }

    @Override
    public int getItemCount() {
        return mDataList.size();
    }
}