public void populateMedicineList() {
   if (extras != null) {
     Date date = (Date) extras.get("date");
     DateFormat dateFormat = DateFormat.getDateInstance();
     setTitle(String.format("Medicine on %s", dateFormat.format(date)));
     populateListView(
         MedicineHelper.getAllMedicineFromDateObjects(
             getBaseContext(), DateHelper.getDatesFromDateOnly(getBaseContext(), date)));
   } else {
     populateListView(MedicineHelper.getAllMedicines(getBaseContext()));
   }
 }