Activity handling error get info and send report to database

HandlingErrorActivity.java

package com.example.mobile.activity;

import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import com.androidadvance.topsnackbar.TSnackbar;
import com.google.gson.Gson;
import com.example.mobile.R;
import com.example.mobile.helper.DateHelper;
import com.example.mobile.helper.Dialog201;
import com.example.mobile.helper.LoadingHelper;
import com.example.mobile.helper.SessionManager;
import com.example.mobile.model.HandlingError;
import com.example.mobile.model.HandlingErrorResponse;
import com.example.mobile.network.ApiClient;
import com.example.mobile.network.ApiInterface;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class HandlingErrorActivity extends AppCompatActivity {

    private static final String TAG = HandlingErrorActivity.class.getSimpleName();
    private ApiInterface apiService;
    private DateHelper dateHelper;
    private LoadingHelper loadingHelper;
    private SessionManager sessionManager;
    private HandlingError handlingError;

    private TextView text_log;
    private Button btn_send;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_handling_error);
        text_log = findViewById(R.id.text_log);
        btn_send = findViewById(R.id.btn_send);

        apiService = ApiClient.getClient().create(ApiInterface.class);
        dateHelper = new DateHelper(this);
        loadingHelper = new LoadingHelper(this);
        sessionManager = new SessionManager(this);
        handlingError = new HandlingError();
        String logstr = getIntent().getStringExtra("logstr");
        String brand = getIntent().getStringExtra("brand");
        String device = getIntent().getStringExtra("device");
        String model = getIntent().getStringExtra("model");
        String productid = getIntent().getStringExtra("productid");
        String product = getIntent().getStringExtra("product");
        String sdk = getIntent().getStringExtra("sdk");
        String release = getIntent().getStringExtra("release");
        String incremental = getIntent().getStringExtra("incremental");
        handlingError.setLogstr(logstr);
        handlingError.setBrand(brand);
        handlingError.setDevice(device);
        handlingError.setModel(model);
        handlingError.setProductid(productid);
        handlingError.setProduct(product);
        handlingError.setSdk(sdk);
        handlingError.setRelease(release);
        handlingError.setIncremental(incremental);

        text_log.setText(logstr);
        btn_send.setOnClickListener(v -> {
            saveData();
        });
    }

    private void saveData() {
        String username = sessionManager.getUser().getUser().getUsername();
        String token = sessionManager.getUser().getToken();
        loadingHelper.showLoading();
        Call<HandlingErrorResponse> call = apiService.handlingError(
                username,
                token,
                handlingError
        );
        call.enqueue(new Callback<HandlingErrorResponse>() {
            @Override
            public void onResponse(Call<HandlingErrorResponse> call, Response<HandlingErrorResponse> response) {
                int statusCode = response.code();
                loadingHelper.hideLoading();
                if (response.isSuccessful()) {
                    AlertDialog.Builder builder = new AlertDialog.Builder(HandlingErrorActivity.this);
                    View layout_dialog = LayoutInflater.from(HandlingErrorActivity.this).inflate(R.layout.dialog_wbs, null);
                    builder.setView(layout_dialog);

                    Button btn_ok = layout_dialog.findViewById(R.id.btn_ok);
                    AlertDialog dialog = builder.create();
                    dialog.show();
                    dialog.setCancelable(false);
                    dialog.getWindow().setGravity(Gravity.CENTER);

                    btn_ok.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            dialog.dismiss();
                            onBackPressed();
                        }
                    });

                    Dialog201.Show(HandlingErrorActivity.this, response.body().getMetadata());
                }else{
                    TSnackbar snackbar = TSnackbar.make(findViewById(android.R.id.content), "" + statusCode, TSnackbar.LENGTH_LONG);
                    snackbar.setActionTextColor(Color.WHITE);
                    View snackbarView = snackbar.getView();
                    snackbarView.setBackgroundColor(Color.RED);
                    TextView textView = snackbarView.findViewById(com.androidadvance.topsnackbar.R.id.snackbar_text);
                    textView.setTextColor(Color.WHITE);
                    snackbar.show();
                }
            }

            @Override
            public void onFailure(Call<HandlingErrorResponse> call, Throwable t) {
                // Log error here since request failed
                Log.e(TAG, t.toString());
                loadingHelper.hideLoading();
                TSnackbar snackbar = TSnackbar.make(findViewById(android.R.id.content), "503", TSnackbar.LENGTH_LONG);
                snackbar.setActionTextColor(Color.WHITE);
                View snackbarView = snackbar.getView();
                snackbarView.setBackgroundColor(getResources().getColor(R.color.red));
                TextView textView = snackbarView.findViewById(com.androidadvance.topsnackbar.R.id.snackbar_text);
                textView.setTextColor(Color.WHITE);
                snackbar.show();
            }
        });
    }
}