Fix wrong reference to service

app/src/main/java/com/testapp/NavDrawerActivity.java

@@ -45,8 +45,6 @@ import retrofit2.converter.gson.GsonConverterFactory;
 
 public class NavDrawerActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
 
-    private CanteeneoApiInterface service;
-    private static Context c;
     private DishAdapter adapter;
     private ArrayList<Dish> dishes = new ArrayList<>();
 
@@ -82,9 +80,9 @@ public class NavDrawerActivity extends AppCompatActivity implements NavigationVi
         String message = intent.getStringExtra(LoginActivity.EXTRA_MESSAGE);
         Toast.makeText(NavDrawerActivity.this, message, Toast.LENGTH_SHORT).show();
 
-        populateFilter(service.getDishTypes(), R.id.type_checkboxes);
-        populateFilter(service.getCuisines(), R.id.cuisine_checkboxes);
-        populateFilter(service.getLocations(), R.id.location_checkboxes);
+        populateFilter(AppUtils.service.getDishTypes(), R.id.type_checkboxes);
+        populateFilter(AppUtils.service.getCuisines(), R.id.cuisine_checkboxes);
+        populateFilter(AppUtils.service.getLocations(), R.id.location_checkboxes);
 
         ListView lv = (ListView) findViewById(R.id.listView);
         adapter = new DishAdapter(this, dishes);
@@ -215,7 +213,7 @@ public class NavDrawerActivity extends AppCompatActivity implements NavigationVi
     }
 
     private void searchDish(String name) {
-        Call<List<Dish>> call = service.searchByName(name, getChecked(R.id.type_checkboxes), getChecked(R.id.cuisine_checkboxes), getChecked(R.id.location_checkboxes), 0, 1000);
+        Call<List<Dish>> call = AppUtils.service.searchByName(name, getChecked(R.id.type_checkboxes), getChecked(R.id.cuisine_checkboxes), getChecked(R.id.location_checkboxes), 0, 1000);
         call.enqueue(new Callback<List<Dish>>() {
             @Override
             public void onResponse(Call<List<Dish>> call, Response<List<Dish>> response) {