I‘m not /RecyclerView:没有连接适配器；跳过布局并且不返回数据，我做错了什么？

// 创建适配器类
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<String> data;

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

    // 创建视图项
    @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);
    }

    // 绑定数据到视图项
    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        String item = data.get(position);
        holder.textView.setText(item);
    }

    // 获取数据项数量
    @Override
    public int getItemCount() {
        return data.size();
    }

    // 视图项的ViewHolder
    public static class ViewHolder extends RecyclerView.ViewHolder {
        public TextView textView;

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

// 在Activity或Fragment中设置RecyclerView
public class MainActivity extends AppCompatActivity {
    private RecyclerView recyclerView;
    private MyAdapter adapter;
    private List<String> data;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 初始化数据集合
        data = new ArrayList<>();
        data.add("Item 1");
        data.add("Item 2");
        data.add("Item 3");

        // 实例化RecyclerView
        recyclerView = findViewById(R.id.recycler_view);

        // 设置布局管理器
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        // 创建适配器并设置给RecyclerView
        adapter = new MyAdapter(data);
        recyclerView.setAdapter(adapter);
    }
}