How to get the object of selected checkbox in Android

I'm making a shopping list App in android with firebase, I obtain the list of items , and show in array adapter well.When I need to check an item and change it in Firebase . I don't know if I have to do that in the array adapter or in my fragment. My class is itemCart and extends from another Food that have an ID. My problem is when I check the item, and i can't acces to the object that contains this checkbox, how can I do ?

I have this class:

public class itemCart extends Food implements Serializable {
    public String quantity;
    public String mesurementunit;
    public Boolean bought;


    public itemCart(){}

    public itemCart(Food food, String quantity, String mesurementunit, Boolean bought) {
        super(food.get_id());
        this.quantity = quantity;
        this.mesurementunit = mesurementunit;
        this.bought = bought;
    }

    public String getQuantity() {
        return quantity;
    }

    public void setQuantity(String quantity) {
        this.quantity = quantity;
    }

    public String getMesurementunit() {
        return mesurementunit;
    }

    public void setMesurementunit(String mesurementunit) {
        this.mesurementunit = mesurementunit;
    }

    public Boolean getBought() {
        return bought;
    }

    public void setBought(Boolean bought) {
        this.bought = bought;
    }
}

Also I have this ArrayAdapter

public class ShoppingListFragmentArrayAdapter extends ArrayAdapter<itemCart> {
    List<itemCart> listItemsCart;
    itemCart mitemCart;

    FirebaseDatabase mFirebaseDatabase;
    String uid;
    FirebaseAuth mFirebaseAuth;
    DatabaseReference mitemCardReference;


    public ShoppingListFragmentArrayAdapter(@NonNull Context context, int resource, List<itemCart> objects) {
        super(context, resource, objects);
        this.listItemsCart = objects;

    }

    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
        if (convertView == null){
            convertView = ((Activity)getContext()).getLayoutInflater().inflate(R.layout.row_shopping_cart,parent,false);
        }
        mFirebaseAuth = FirebaseAuth.getInstance();
        mFirebaseDatabase = FirebaseDatabase.getInstance();
        uid = mFirebaseAuth.getUid().toString();
        mitemCardReference = mFirebaseDatabase.getReference().child("carts").child(uid);


        TextView foodName = (TextView) convertView.findViewById(R.id.txtViewNameShoppingList);
        CircleImageView imgFood = (CircleImageView) convertView.findViewById(R.id.foodCardCircleView);
        CheckBox checkBoxFood = (CheckBox) convertView.findViewById(R.id.chartFoodChecklist);

        mitemCart = listItemsCart.get(position);
        checkBoxFood.setChecked(mitemCart.getBought());
        foodName.setText(mitemCart.getCorrectLanguageName()+" "+mitemCart.getQuantity()+" "+mitemCart.getMesurementunit());
        Glide.with(imgFood.getContext())
                .load(mitemCart.getImg_firebase())
                .into(imgFood);
        checkBoxFood.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //here i wanna get the object
            }
        });

        return convertView;
    }
}

Is correct to do this in the Adapter or I have to do in my Fragment ?

public class ShoppingListFragment extends Fragment {

    private View rootView;

    private ShoppingListFragmentArrayAdapter mshoppingListFragmentArrayAdapter;
    private ProgressBar mProgressBar;
    private CheckBox mcheckBox;
    private Button mBtnClear;

    private String uid;

    List<itemCart> itemCarts;

    private itemCart mitemCart;

    private ListView mListView;

    private FirebaseDatabase mFirebaseDatabase;
    private DatabaseReference mItemCartReference;

    public ShoppingListFragment (){

    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        uid = FirebaseAuth.getInstance().getCurrentUser().getUid().toString();

        mFirebaseDatabase = FirebaseDatabase.getInstance();
        mItemCartReference = mFirebaseDatabase.getReference().child("carts").child(uid);
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        rootView = inflater.inflate(R.layout.fragment_shopping_card_list,container,false);

        mListView = (ListView) rootView.findViewById(R.id.lstViewShoppingCart);
        mProgressBar = (ProgressBar) rootView.findViewById(R.id.progressBarCartFoodList);
        mBtnClear = (Button) rootView.findViewById(R.id.btnClearShoppingList);
        mcheckBox = (CheckBox) rootView.findViewById(R.id.chartFoodChecklist);

        itemCarts = new ArrayList<>();

        mProgressBar.setVisibility(View.VISIBLE);

        mItemCartReference.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                clearItemCartList();
                for (DataSnapshot itemSnapshot : dataSnapshot.getChildren()) {
                    mitemCart = itemSnapshot.getValue(itemCart.class);
                   updateitemCartList(mitemCart);
                }
                mProgressBar.setVisibility(View.INVISIBLE);


                mshoppingListFragmentArrayAdapter = new ShoppingListFragmentArrayAdapter(getActivity(),R.layout.row_shopping_cart,itemCarts);
                mListView.setAdapter(mshoppingListFragmentArrayAdapter);
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });



        return rootView;
    }



    private void updateitemCartList(itemCart item ) {
        itemCarts.add(item);
    }
    private void clearItemCartList(){
        itemCarts.clear();
    }

}

When my checkbox is clicked or changed I need to obtain the id of the object itemCart this.

In this code in the itemCart object of my arrayAdapter always recive the last one that I have.