private void saveIncomingChildren(ArrayList<String> idsToDownload)
     throws IOException, JSONException {
   for (String idToDownload : idsToDownload) {
     Child incomingChild = childService.getChild(idToDownload);
     if (isCancelled()) {
       break;
     }
     try {
       incomingChild.setSynced(true);
       if (childRepository.exists(incomingChild.getUniqueId())) {
         childRepository.update(incomingChild);
       } else {
         childRepository.createOrUpdate(incomingChild);
       }
       childService.setPhoto(incomingChild);
     } catch (Exception e) {
       Log.e("SyncAllDataTask", "Error syncing child", e);
       throw new RuntimeException(e);
     }
   }
 }