高亮显示recylerview中的选定行

RecyclerView recyclerView = findViewById(R.id.recyclerView);
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
recyclerView.setLayoutManager(layoutManager);

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
   private List<String> data;
   private int selectedItem = RecyclerView.NO_POSITION; // 初始值为未选中任何行
   
   public MyAdapter(List<String> data) {
       this.data = data;
   }
   
   public static class ViewHolder extends RecyclerView.ViewHolder {
       public TextView textView;
       
       public ViewHolder(View itemView) {
           super(itemView);
           textView = itemView.findViewById(R.id.textView);
       }
   }
   
   @Override
   public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
       View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
       ViewHolder viewHolder = new ViewHolder(view);
       return viewHolder;
   }
   
   @Override
   public void onBindViewHolder(ViewHolder holder, final int position) {
       final String item = data.get(position);
       holder.textView.setText(item);
       
       // 设置选定行的高亮样式
       if (position == selectedItem) {
           holder.itemView.setBackgroundColor(Color.YELLOW);
       } else {
           holder.itemView.setBackgroundColor(Color.TRANSPARENT);
       }
       
       // 点击行时更新选中状态
       holder.itemView.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               selectedItem = position;
               notifyDataSetChanged();
           }
       });
   }
   
   @Override
   public int getItemCount() {
       return data.size();
   }
}

MyAdapter adapter = new MyAdapter(dataList);
recyclerView.setAdapter(adapter);