populateUI.java

private void populateUI(Sandwich model) {
  //get text views
  TextView nameView = findViewById(R.id.name_tv);
  TextView origin = findViewById(R.id.origin_tv);
  TextView aka = findViewById(R.id.also_known_tv);
  TextView descView = findViewById(R.id.description_tv);
  TextView ingredients = findViewById(R.id.ingredients_tv); 
  
  //bind data to views
  if(model != null) {
      origin.setText(sandwich.getPlaceOfOrigin());
      descView.setText(sandwich.getDescription());
      nameView.setText(sandwich.getMainName());
    

      /* handle attributes populated with array items */
      //other names for sandwich
      List<String> other_names = sandwich.getAlsoKnownAs();
      aka.setText(other_names);
      
      //ingredients for sandwich
      List<String> allIngredients = sandwich.getIngredients();
      ingredients.setText(allIngredients);
   }
}