在RecyclerView适配器中提供3行后查看更多选项的安卓TextView

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<String> dataList;

    public MyAdapter(List<String> dataList) {
        this.dataList = dataList;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        String text = dataList.get(position);
        holder.textView.setText(text);

        // 判断文本长度是否超过3行
        if (isTextExceedThreeLines(holder.textView)) {
            // 设置"查看更多"样式和点击事件
            SpannableString spannableString = new SpannableString("查看更多");
            spannableString.setSpan(new ClickableSpan() {
                @Override
                public void onClick(View widget) {
                    // 处理"查看更多"点击事件
                    expandText(holder.textView);
                }
            }, 0, spannableString.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            holder.textView.append(spannableString);
            holder.textView.setMovementMethod(LinkMovementMethod.getInstance());
        }
    }

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

    private boolean isTextExceedThreeLines(TextView textView) {
        int lineCount = textView.getLayout().getLineCount();
        return lineCount > 3;
    }

    private void expandText(TextView textView) {
        // 展开或折叠文本内容
        // 更新TextView的显示
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        TextView textView;

        public ViewHolder(View itemView) {
            super(itemView);
            textView = itemView.findViewById(R.id.text_view);
        }
    }
}