如何在RecyclerView中选择多个项目并将其放入列表中

// 数据模型类
public class Item {
    private String name;
    private boolean isSelected;

    public Item(String name) {
        this.name = name;
        this.isSelected = false;
    }

    public String getName() {
        return name;
    }

    public boolean isSelected() {
        return isSelected;
    }

    public void setSelected(boolean selected) {
        isSelected = selected;
    }
}

// RecyclerView的适配器
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<Item> itemList;

    public MyAdapter(List<Item> itemList) {
        this.itemList = itemList;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull 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(@NonNull ViewHolder holder, int position) {
        Item item = itemList.get(position);
        holder.nameTextView.setText(item.getName());
        holder.itemView.setSelected(item.isSelected());
    }

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

    public List<Item> getSelectedItems() {
        List<Item> selectedItems = new ArrayList<>();
        for (Item item : itemList) {
            if (item.isSelected()) {
                selectedItems.add(item);
            }
        }
        return selectedItems;
    }

    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
        private TextView nameTextView;

        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            nameTextView = itemView.findViewById(R.id.nameTextView);
            itemView.setOnClickListener(this);
        }

        @Override
        public void onClick(View v) {
            int position = getAdapterPosition();
            if (position != RecyclerView.NO_POSITION) {
                Item item = itemList.get(position);
                item.setSelected(!item.isSelected());
                notifyItemChanged(position);
            }
        }
    }
}

// 在Activity或Fragment中使用RecyclerView和适配器
public class MainActivity extends AppCompatActivity {
    private RecyclerView recyclerView;
    private MyAdapter adapter;

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

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

        List<Item> itemList = new ArrayList<>();
        itemList.add(new Item("Item 1"));
        itemList.add(new Item("Item 2"));
        itemList.add(new Item("Item 3"));
        itemList.add(new Item("Item 4"));

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

        Button selectButton = findViewById(R.id.selectButton);
        selectButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                List<Item> selectedItems = adapter.getSelectedItems();
                // 在这里处理选中的项目列表
            }
        });
    }
}