尝试在recycleview中保存切换按钮的状态

public class ItemModel {
    private boolean isSwitchOn;

    public boolean isSwitchOn() {
        return isSwitchOn;
    }

    public void setSwitchOn(boolean switchOn) {
        isSwitchOn = switchOn;
    }
}

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<ItemModel> itemList;

    public MyAdapter(List<ItemModel> 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) {
        ItemModel item = itemList.get(position);
        holder.switchButton.setChecked(item.isSwitchOn());
    }

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

    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
        private Switch switchButton;

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

        @Override
        public void onClick(View v) {
            int position = getAdapterPosition();
            ItemModel item = itemList.get(position);
            item.setSwitchOn(!item.isSwitchOn());
            switchButton.setChecked(item.isSwitchOn());
        }
    }
}