Как мы можем найти элемент класса адаптера в классе фрагмента в android ?

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package com.example.aaa.maaqualatnew.adapter;

import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.android.volley.AuthFailureError;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.bumptech.glide.Glide;
import com.example.aaa.maaqualatnew.Global.GlobalData;
import com.example.aaa.maaqualatnew.R;
import com.example.aaa.maaqualatnew.databasehandler.DataBaseHandler;
import com.example.aaa.maaqualatnew.extra.GeneralUtilities;
import com.example.aaa.maaqualatnew.fragment.CategoryFragment;
import com.example.aaa.maaqualatnew.model.PojoCategory;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;


public class CategoryAdapter extends BaseAdapter {
    private ArrayList<PojoCategory> mList;
    private Context mContext;
    private ViewHolder viewHolder;

    private DataBaseHandler dbh;


    public CategoryAdapter(Context mContext, ArrayList<PojoCategory> mList) {

        this.mContext = mContext;
        this.mList = mList;
        dbh = new DataBaseHandler(mContext);


    }


    @Override
    public int getCount() {
        if (mList != null) {
            return mList.size();

        }
        return 0;
    }

    @Override
    public Object getItem(int position) {
        return mList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }


    @Override
    public View getView(final int position, View view, ViewGroup parent) {

        LayoutInflater layoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        if (view == null) {
            view = layoutInflater.inflate(R.layout.category, parent, false);

            viewHolder = new ViewHolder();
            viewHolder.Dish_name = (TextView) view.findViewById(R.id.nameofdish);
            viewHolder.dish_description = (TextView) view.findViewById(R.id.dishdescription);
            viewHolder.Dish_rate = (TextView) view.findViewById(R.id.rateofdish);
            viewHolder.item_image = (ImageView) view.findViewById(R.id.img_item);
            // viewHolder.btnAddCart = (Button) view.findViewById(R.id.btn_add_cart);


            viewHolder.tv_Number = (TextView) view.findViewById(R.id.tv_add_sub);
            viewHolder.mBtnAdd = (Button) view.findViewById(R.id.btn_add);
            viewHolder.mBtnMinus = (Button) view.findViewById(R.id.btn_sub);


        } else {

            viewHolder = (ViewHolder) view.getTag();

        }

        view.setTag(viewHolder);
        final PojoCategory pojoCategory = (PojoCategory) getItem(position);

        viewHolder.Dish_name.setText(pojoCategory.getDish_name());
        viewHolder.dish_description.setText(pojoCategory.getdish_description());
        viewHolder.Dish_rate.setText(pojoCategory.getDish_rate());
        Glide.with(mContext).load(pojoCategory.getCategory_Image()).into(viewHolder.item_image);

        //  viewHolder.btnAddCart.setTag(position);


      /*  viewHolder.btnAddCart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                String tag = viewHolder.btnAddCart.getTag().toString();
                int position = Integer.parseInt(tag);




            }
        });*/


        viewHolder.mBtnAdd.setTag(pojoCategory);
        viewHolder.mBtnMinus.setTag(pojoCategory);

        if (pojoCategory.getmQuantity() > 0) {

            viewHolder.tv_Number.setText("" + pojoCategory.getmQuantity());
        } else {

            viewHolder.tv_Number.setText("" + 0);
        }


        viewHolder.mBtnAdd.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                PojoCategory pojoCategory = (PojoCategory) v.getTag();
                int mValue = pojoCategory.getmQuantity();
                mValue++;
                viewHolder.tv_Number.setText("" + mValue);
                pojoCategory.setmQuantity(mValue);
                notifyDataSetChanged();


                dbh.insertData(pojoCategory.getDish_name(), pojoCategory.getDish_rate(), pojoCategory.getCategory_Image());

            }
        });

        viewHolder.mBtnMinus.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                PojoCategory pojoCategory = (PojoCategory) v.getTag();
                int mValue = pojoCategory.getmQuantity();
                if (mValue > 0) {

                    mValue--;
                    viewHolder.tv_Number.setText("" + mValue);
                }

                pojoCategory.setmQuantity(mValue);
                notifyDataSetChanged();


            }
        });


        return view;

    }

    class ViewHolder {
        TextView Dish_name, dish_description, Dish_rate, tv_Number;
        ImageView item_image;
        // Button btnAddCart;
        Button mBtnAdd, mBtnMinus;
    }

}

Что я уже пробовал:

я хочу найти элемент класса адаптера в классе фрагмента ! если кто-нибудь скажет мне, как я могу это сделать ??

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