private void getUpdatesFromServer() {
   Message message = new Message();
   message.what = INFO;
   Bundle bundle = new Bundle();
   for (String set : updatableSets) {
     Log.d("UPDATES", set);
     bundle.putString(SET, set);
     message.setData(bundle);
     handler.sendMessage(message);
     String jsonString = HTTPUtil.getUpdateFromServer(set);
     JsonParser.saveJsonToAsset(context, jsonString, set);
   }
 }
 private void checkForUpdates(String set, int latestVersion) {
   int setVersion = JsonParser.getJsonSetVersion(context, set);
   if (setVersion < latestVersion) {
     updatableSets.add(set);
   }
 }