如何在android中通过点击按钮从购物车中删除商品

// 购物车适配器
public class CartAdapter extends RecyclerView.Adapter<CartAdapter.ViewHolder> {
    private List<CartItem> cartItems;

    // 构造函数初始化数据
    public CartAdapter(List<CartItem> cartItems) {
        this.cartItems = cartItems;
    }

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

    // 绑定ViewHolder和数据
    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        CartItem item = cartItems.get(position);
        holder.nameTextView.setText(item.getName());
        holder.priceTextView.setText(String.valueOf(item.getPrice()));
        
        // 设置删除按钮点击事件
        holder.deleteButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // 删除商品操作
                cartItems.remove(position);
                notifyDataSetChanged(); // 刷新界面
            }
        });
    }

    // 返回数据源大小
    @Override
    public int getItemCount() {
        return cartItems.size();
    }

    // ViewHolder定义
    public static class ViewHolder extends RecyclerView.ViewHolder {
        TextView nameTextView;
        TextView priceTextView;
        Button deleteButton;

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

// 购物车界面
public class CartActivity extends AppCompatActivity {
    private List<CartItem> cartItems;
    private RecyclerView recyclerView;
    private CartAdapter adapter;

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

        // 初始化购物车数据
        cartItems = new ArrayList<>();
        cartItems.add(new CartItem("商品1", 10.0));
        cartItems.add(new CartItem("商品2", 20.0));

        // 初始化RecyclerView及适配器
        recyclerView = findViewById(R.id.recyclerView);
        adapter = new CartAdapter(cartItems);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setAdapter(adapter);
    }
}

// 商品信息类
public class CartItem {
    private String name;
    private double price;

    public CartItem(String name, double price) {
        this.name = name;
        this.price = price;
    }

    // getter和setter方法
    // ...
}