ios – – [NSObject(NSObject)doesNotRecognizeSelector：]调用时崩溃 – [ViewController prepareForSegue：sender：]

概述我正在使用Crashlytics来检测我的应用程序中的崩溃.我偶尔会得到以下崩溃报告. 关键崩溃点是 – [NSObject(NSObject)doesNotRecognizeSelector：]和MyViewController.m第596行 – [MyViewController prepareForSegue：sender：].我不知道日志中的问题是什么.是否可能出现多线程问题？我也在使用P 我正在使用Crashlytics来检测我的应用程序中的崩溃.我偶尔会得到以下崩溃报告.

关键崩溃点是 – [NSObject(NSObject)doesNotRecognizeSelector：]和MyVIEwController.m第596行 – [MyVIEwController prepareForSegue：sender：].我不知道日志中的问题是什么.是否可能出现多线程问题？我也在使用Parse SDK从Parse云中检索数据.而prepareForSegue：sender：方法将在用户点击披露指标时调用,它应该在主线程中运行.你能不能给我一些提示来解决这个问题.提前致谢.

这是我如何调用prepareForSegue：sender：method.

- (voID)tableVIEw:(UItableVIEw *)tableVIEw accessorybuttonTappedForRowWithIndexPath:(NSIndexPath *)indexPath{    [self performSegueWithIDentifIEr:@"onesegue" sender:indexPath];}- (voID)prepareForSegue:(UIStoryboardSegue *)segue sender:(ID)sender{    if ([segue.IDentifIEr isEqualToString:@"onesegue"]) {        NSIndexPath *indexPath = (NSIndexPath*)sender;        OneVIEwController *destVIEwController = segue.destinationVIEwController;        OneClass* oneObject = self.array[indexPath.row];        destVIEwController.objectname = oneObject.name;    }}

prepareForSegue：sender：方法由accessorybuttonTappedForRowWithIndexPath：方法触发.我看不到任何其他方式来调用prepareForSegue：sender：方法.所以我不知道为什么indexPath.row会导致异常.

Fatal Exception NSinvalidargumentexception-[UItableVIEwCell row]: unrecognized selector sent to instance 0x1f8a6dd00    CoreFoundation  __exceptionPreprocess + 1621    libobjc.A.dylib     objc_exception_throw + 302    **CoreFoundation    -[NSObject(NSObject) doesNotRecognizeSelector:] + 170**3    CoreFoundation  ___forwarding___ + 3924    CoreFoundation  _CF_forwarding_prep_0 + 245    MyApp  MyVIEwController.m line 596**-[MyVIEwController prepareForSegue:sender:]**6    UIKit   -[UIStoryboardSegueTemplate _perform:] + 1287    UIKit   -[UItableVIEw _selectRowAtIndexPath:animated:scrollposition:notifyDelegate:] + 8288    UIKit   -[UItableVIEw _userSelectRowAtPendingSelectionIndexPath:] + 1569 ...    Foundation  __NSFireDelayedPerform + 45010   CoreFoundation  __CFRUNLOOP_IS_CALliNG_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 1411   CoreFoundation  __CFRunLoopDoTimer + 27212   CoreFoundation  __CFRunLoopRun + 123213   CoreFoundation  CFRunLoopRunspecific + 35614   CoreFoundation  CFRunLoopRunInMode + 10415   GraphiCSServices    GSEventRunModal + 7416   UIKit   UIApplicationMain + 112017   MyApp  main.m line 16main18   libdyld.dylib   start9 Threadscom.apple.main-thread Crashed0 ...    libsystem_kernel.dylib  __pthread_kill + 81    libsystem_c.dylib   pthread_kill + 582    libsystem_c.dylib   abort + 943    libc++abi.dylib     abort_message + 744    libc++abi.dylib     default_terminate() + 245    libobjc.A.dylib     _objc_terminate() + 1466    libc++abi.dylib     safe_handler_caller(voID (*)()) + 787    libc++abi.dylib     std::terminate() + 198    libc++abi.dylib     __cxa_current_exception_type9    libobjc.A.dylib     objc_exception_rethrow + 1210   CoreFoundation  CFRunLoopRunspecific + 45611   CoreFoundation  CFRunLoopRunInMode + 10412   GraphiCSServices    GSEventRunModal + 7413   UIKit   UIApplicationMain + 112014   MyApp  main.m line 16maincom.apple.libdispatch-manager0 ...    libsystem_kernel.dylib  kevent64 + 241    libdispatch.dylib   _dispatch_mgr_invoke + 7962    libdispatch.dylib   _dispatch_mgr_thread$VARIANT$mp + 35WebThread0 ...    libsystem_kernel.dylib  mach_msg_trap + 201    libsystem_kernel.dylib  mach_msg + 402    CoreFoundation  __CFRunLoopServiceMachPort + 1283    CoreFoundation  __CFRunLoopRun + 8824    CoreFoundation  CFRunLoopRunspecific + 3565    CoreFoundation  CFRunLoopRunInMode + 1046    WebCore     RunWebThread(voID*) + 4447    libsystem_c.dylib   _pthread_start + 308com.crashlytics.MachExceptionServer0    libsystem_kernel.dylib  mach_msg_trap + 201    libsystem_kernel.dylib  mach_msg + 402    MyApp   CLSMachExceptionServer3    libsystem_c.dylib   _pthread_start + 308com.apple.NSURLConnectionLoader0 ...    libsystem_kernel.dylib  mach_msg_trap + 201    libsystem_kernel.dylib  mach_msg + 402    CoreFoundation  __CFRunLoopServiceMachPort + 1283    CoreFoundation  __CFRunLoopRun + 8824    CoreFoundation  CFRunLoopRunspecific + 3565    CoreFoundation  CFRunLoopRunInMode + 1046    Foundation  +[NSURLConnection(Loader) _resourceLoadLoop:] + 3087    Foundation  __NSThread__main__ + 9728    libsystem_c.dylib   _pthread_start + 308Thread 50 ...    libsystem_kernel.dylib  mach_msg_trap + 201    libsystem_kernel.dylib  mach_msg + 402    CoreFoundation  __CFRunLoopServiceMachPort + 1283    CoreFoundation  __CFRunLoopRun + 8824    CoreFoundation  CFRunLoopRunspecific + 3565    CoreFoundation  CFRunLoopRunInMode + 1046    Foundation  -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 2547    Foundation  -[NSRunLoop(NSRunLoop) run] + 808    MyApp  PF_AFURLConnectionoperation.m line 151+[PF_AFURLConnectionoperation networkRequestThreadEntryPoint:]9    Foundation  __NSThread__main__ + 97210   libsystem_c.dylib   _pthread_start + 308Thread 60 ...    libsystem_kernel.dylib  __psynch_cvwait + 241    libsystem_c.dylib   _pthread_cond_wait + 6462    libsystem_c.dylib   pthread_cond_wait + 403    Foundation  -[NSCondition wait] + 1944    MyApp  PFCommandCache.m line 495-[PFCommandCache runLoop]5    Foundation  __NSThread__main__ + 9726    libsystem_c.dylib   _pthread_start + 308com.apple.CFSocket.private0 ...    libsystem_kernel.dylib  __select + 201    CoreFoundation  __CFSocketManager + 6782    libsystem_c.dylib   _pthread_start + 308Thread 80 ...    libsystem_kernel.dylib  __workq_kernreturn + 81    libsystem_c.dylib   _pthread_workq_return + 182    libsystem_c.dylib   _pthread_wqthread + 365Blog Privacy

解决方法 这是因为在视图中你正在打开,在某个地方你试图在UItableVIEwCell上调用一个名为row的方法.

您可以在崩溃日志的第一行看到这一点：

-[UItableVIEwCell row]: unrecognized selector sent to instance 0x1f8a6dd0

您应该跟踪您正在调用行的对象,并确保在您认为自己的对象上调用它而不是UItableVIEwCell.

总结

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