fabric error

package com.fabric.apps.mobile.activity;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import butterknife.BindView;
import butterknife.ButterKnife;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import com.fabric.apps.mobile.R;
import com.fabric.apps.mobile.adapter.CartListAdapter;
import com.fabric.apps.mobile.adapter.KurirListAdapter;
import com.fabric.apps.mobile.connection.ConfigRetrofit;
import com.fabric.apps.mobile.contoller.CartController;
import com.fabric.apps.mobile.model.cartModel.CartItem;
import com.fabric.apps.mobile.model.cartModel.ResponseCart;
import com.fabric.apps.mobile.model.cekkurirModel.CostItemKurirModel;
import com.fabric.apps.mobile.model.cekkurirModel.CostsItemKurirModel;
import com.fabric.apps.mobile.model.cekkurirModel.ResponseKurirModel;
import com.fabric.apps.mobile.utils.SessionSharedPreferences;
import com.github.ybq.android.spinkit.SpinKitView;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class CheckoutActivity extends AppCompatActivity implements View.OnClickListener{

    @BindView(R.id.toolbar)
    Toolbar toolbar;

    @BindView(R.id.service_provider)
    LinearLayout serviceWrapper;

    @BindView(R.id.product_list)
    RecyclerView productList;

    @BindView(R.id.rb_jne)
    RadioButton rbJne;

    @BindView(R.id.rb_pos)
    RadioButton rbPos;

    @BindView(R.id.rb_tiki)
    RadioButton rbTiki;

    @BindView(R.id.total_product_price)
    TextView totalPrice;

    @BindView(R.id.service_price)
    TextView servicePrice;

    @BindView(R.id.total_payment)
    TextView totalPayment;

    @BindView(R.id.place_order)
    Button placeOrder;

    @BindView(R.id.product_image)
    ImageView productImage;

    @BindView(R.id.product_name)
    TextView productName;

    @BindView(R.id.product_price)
    TextView productPrice;

    @BindView(R.id.product_quantity)
    TextView productQuantity;

    @BindView(R.id.increase_product)
    ImageButton increaseProduct;

    @BindView(R.id.decrease_product)
    ImageButton decreaseProduct;

    @BindView(R.id.button_remove)
    ImageView removeButton;

    @BindView(R.id.progress_bar)
    SpinKitView progressBar;

    @BindView(R.id.sp_tipekurir)
    Spinner spkurir;

    private List<CostsItemKurirModel> costsItemKurirModels;
    private List<ResponseKurirModel> responkurir;
    private List<CostItemKurirModel> kuriritem;
    private KurirListAdapter kurirListAdapter;


    private CartController cartController = new CartController();
    private Intent intent;
    private CartListAdapter cartListAdapter;
    SessionSharedPreferences preferences;
    private List<CartItem> cartItems;
    private final int REQUEST_ADDRESS_CODE = 100;
    public static String kurir;
    public static int harga;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_checkout);
        ButterKnife.bind(this);

        intent = getIntent();
        String TAG = intent.getStringExtra("TAG");
        preferences = new SessionSharedPreferences(this);

        removeButton.setVisibility(View.GONE);
        increaseProduct.setVisibility(View.GONE);
        decreaseProduct.setVisibility(View.GONE);

        setSupportActionBar(toolbar);
        Objects.requireNonNull(getSupportActionBar()).setDisplayShowTitleEnabled(true);
        getSupportActionBar().setTitle("Atur Pesanan");
        toolbar.setNavigationIcon(R.drawable.ic_back);
        toolbar.setNavigationOnClickListener(v -> finish());

        productList.setLayoutManager(new LinearLayoutManager(this, RecyclerView.VERTICAL, false));


        initCheckoutFromProduct();

    }

    public void onRadioButtonClicked(View view){
        boolean cekradio = ((RadioButton) view).isChecked();

        switch (view.getId()){
            case R.id.rb_jne:
                if (cekradio) {
                   kurir = "jne";
                   initradio();
                }
                    break;

            case R.id.rb_pos:
                if (cekradio)
                    kurir = "pos";
                    initradio();
                    break;

            case R.id.rb_tiki:
                if (cekradio)
                    kurir = "tiki";
                    initradio();
                    break;
        }
    }


private void initradio(){
    int id = preferences.getID();

    ConfigRetrofit.provideApiService().getKurir(id,kurir).enqueue(new Callback<ResponseKurirModel>() {
        @Override
        public void onResponse(Call<ResponseKurirModel> call, Response<ResponseKurirModel> response) {
            costsItemKurirModels = response.body().getCosts();

           initDataSpinner();
        }

        @Override
        public void onFailure(Call<ResponseKurirModel> call, Throwable t) {

        }
    });
}

    private void initDataSpinner() {
        kurirListAdapter = new KurirListAdapter(this,costsItemKurirModels);

        kurirListAdapter.notifyDataSetChanged();
        spkurir.setAdapter(kurirListAdapter);

        spkurir.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                CostsItemKurirModel cur = (CostsItemKurirModel) parent.getItemAtPosition(position);

                Log.d("TAG", "isi cur" +parent);

               servicePrice.setText(cur.getCost().get(position).getValue().toString();

            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

            }
        });

    }

    private void initCheckoutFromProduct() {
        int id = preferences.getID();
        String token = preferences.getAccessToken();
        String key = "oa00000000app";
        ConfigRetrofit.provideApiService().getCart(id,key,token).enqueue(new Callback<ResponseCart>() {
            @Override
            public void onResponse(Call<ResponseCart> call, Response<ResponseCart> response) {
                if (response.isSuccessful()) {
                    cartItems = response.body().getCart();
                    cartListAdapter = new CartListAdapter(CheckoutActivity.this, cartItems, totalPrice);
                    productList.setAdapter(cartListAdapter);
                    cartListAdapter.notifyDataSetChanged();
                    removeButton.setVisibility(View.GONE);
                    increaseProduct.setVisibility(View.GONE);
                    decreaseProduct.setVisibility(View.GONE);
                } else {
                    Toast.makeText(CheckoutActivity.this, "Gak Ada Hasil Bro", Toast.LENGTH_LONG).show();
                }
            }

            @Override
            public void onFailure(Call<ResponseCart> call, Throwable t) {
                Toast.makeText(CheckoutActivity.this, "Gagal bro", Toast.LENGTH_LONG).show();
            }
        });

    }


    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.service_provider:
                break;
            default:
                break;
        }
    }
}

===================================================
This Spinner adapter
===================================================
public class KurirListAdapter extends ArrayAdapter<CostsItemKurirModel>{

  public KurirListAdapter(Context context, List<CostsItemKurirModel> itemKurirModels){
      super(context,0,itemKurirModels);
  }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        return initView(position, convertView, parent);
    }


    @Override
    public View getDropDownView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
        return initView(position, convertView, parent);
    }

    private View initView(int position, View convertView, ViewGroup parent) {
        //todo 21 biarkan merah
        if (convertView == null) {
            convertView = LayoutInflater.from(getContext()).inflate(item_kurir, parent,false);

        }
        TextView kurir_tipe = convertView.findViewById(R.id.tv_kurir);


        //item sama dengan todo20
        CostsItemKurirModel current = getItem(position);



        if (current != null) {
            kurir_tipe.setText(current.getService());

        }

        return convertView;
    }
}

===================================================
This Apiservis (class interface)
===================================================
    @FormUrlEncoded
    @POST("cek-ongkir")
    Call<ResponseKurirModel> getKurir(
            @Field("CustomerId") int idcustomer,
            @Field("courier") String kurir);

===================================================
This my model (generate from json to POJO)
===================================================

ResponKurir.class
===================================================

package com.fabric.apps.mobile.model.cekkurirModel;

import java.util.List;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class ResponseKurirModel {

    @SerializedName("code")
    @Expose
    private String code;
    @SerializedName("name")
    @Expose
    private String name;
    @SerializedName("costs")
    @Expose
    private List<CostsItemKurirModel> costs = null;

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<CostsItemKurirModel> getCosts() {
        return costs;
    }

    public void setCosts(List<CostsItemKurirModel> costs) {
        this.costs = costs;
    }
}

Costs.class
===================================================
package com.fabric.apps.mobile.model.cekkurirModel;

import java.util.List;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class CostsItemKurirModel {

    @SerializedName("service")
    @Expose
    private String service;
    @SerializedName("description")
    @Expose
    private String description;
    @SerializedName("cost")
    @Expose
    private List<CostItemKurirModel> cost = null;

    public String getService() {
        return service;
    }

    public void setService(String service) {
        this.service = service;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public List<CostItemKurirModel> getCost() {
        return cost;
    }

    public void setCost(List<CostItemKurirModel> cost) {
        this.cost = cost;
    }

}

Cost.class
===================================================
package com.fabric.apps.mobile.model.cekkurirModel;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class CostItemKurirModel {

    @SerializedName("value")
    @Expose
    private Integer value;
    @SerializedName("etd")
    @Expose
    private String etd;
    @SerializedName("note")
    @Expose
    private String note;

    public Integer getValue() {
        return value;
    }

    public void setValue(Integer value) {
        this.value = value;
    }

    public String getEtd() {
        return etd;
    }

    public void setEtd(String etd) {
        this.etd = etd;
    }

    public String getNote() {
        return note;
    }

    public void setNote(String note) {
        this.note = note;
    }
}