ReyclerView项目Android Studio的弹出菜单功能

implementation 'androidx.recyclerview:recyclerview:1.2.1'

<androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

<!-- 列表项布局 -->
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <TextView
        android:id="@+id/itemText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="列表项" />

    <ImageView
        android:id="@+id/itemMenu"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_menu" />

</LinearLayout>

public class ItemViewHolder extends RecyclerView.ViewHolder {
    public TextView itemText;
    public ImageView itemMenu;

    public ItemViewHolder(View itemView) {
        super(itemView);
        itemText = itemView.findViewById(R.id.itemText);
        itemMenu = itemView.findViewById(R.id.itemMenu);
    }
}

public class ItemAdapter extends RecyclerView.Adapter<ItemViewHolder> {
    private List<String> itemList;

    public ItemAdapter(List<String> itemList) {
        this.itemList = itemList;
    }

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

    @Override
    public void onBindViewHolder(@NonNull ItemViewHolder holder, int position) {
        String item = itemList.get(position);
        holder.itemText.setText(item);

        holder.itemMenu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // 弹出菜单的点击事件处理
                PopupMenu popupMenu = new PopupMenu(holder.itemView.getContext(), holder.itemMenu);
                popupMenu.getMenuInflater().inflate(R.menu.popup_menu, popupMenu.getMenu());
                popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                    @Override
                    public boolean onMenuItemClick(MenuItem item) {
                        // 处理菜单项的点击事件
                        switch (item.getItemId()) {
                            case R.id.menuOption1:
                                // 执行操作1
                                return true;
                            case R.id.menuOption2:
                                // 执行操作2
                                return true;
                            default:
                                return false;
                        }
                    }
                });
                popupMenu.show();
            }
        });
    }

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

RecyclerView recyclerView = findViewById(R.id.recyclerView);
List<String> itemList = new ArrayList<>();
// 添加列表项数据
itemList.add("列表项1");
itemList.add("列表项2");
// ...
ItemAdapter adapter = new ItemAdapter(itemList);
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(this));