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; }