当我运行我的iPad模拟器时,我在应用程序中收到此错误
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** setObjectForKey: object cannot be nil (key: networkCarrier)'
请帮助我解决这个问题....它将进入主线程
return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));