public boolean isAllowNetworkRequest(AbstractServerProxy proxy) {
   if (!NetworkStatusManager.getInstance().isConnected()) {
     String errorMessage =
         ResourceManager.getInstance()
             .getCurrentBundle()
             .getString(IStringCommon.RES_NO_CELL_COVERAGE, IStringCommon.FAMILY_COMMON);
     proxy.setErrorMsg(errorMessage);
     try {
       Thread.sleep(2000);
     } catch (InterruptedException e) {
       e.printStackTrace();
     }
     return false;
   }
   return true;
 }