选择和删除多个RecyclerView项- AndroidX

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<Item> itemList;
    private List<Boolean> selectedList;

    public MyAdapter(List<Item> itemList) {
        this.itemList = itemList;
        selectedList = new ArrayList<>();
        for (int i = 0; i < itemList.size(); i++) {
            selectedList.add(false);
        }
    }

    public List<Item> getSelectedItems() {
        List<Item> selectedItems = new ArrayList<>();
        for (int i = 0; i < itemList.size(); i++) {
            if (selectedList.get(i)) {
                selectedItems.add(itemList.get(i));
            }
        }
        return selectedItems;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        // 创建ViewHolder
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        // 绑定数据和事件监听
        holder.checkBox.setChecked(selectedList.get(position));
        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                selectedList.set(position, !selectedList.get(position));
                notifyItemChanged(position);
            }
        });
    }

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

    public static class ViewHolder extends RecyclerView.ViewHolder {
        public CheckBox checkBox;

        public ViewHolder(View itemView) {
            super(itemView);
            checkBox = itemView.findViewById(R.id.checkbox);
        }
    }
}

// 获取选中项
List<Item> selectedItems = adapter.getSelectedItems();

// 删除选中项
for (Item item : selectedItems) {
    itemList.remove(item);
}
adapter.notifyDataSetChanged();