public void deleteMeal(String id) {
   Meal meal = getMealWithId(id);
   File file = new File(meal.getPathToPic());
   if (file.exists()) file.delete();
   for (Ingredient i : meal.getIngredientList()) {
     deleteIngredient(i);
   }
   mDatabase.delete(
       DbSchema.MealTable.NAME, DbSchema.MealTable.Cols.MEAL_ID + " = " + "\"" + id + "\"", null);
   return;
 }