ios – “只在主线程上运行”异常是模拟器

概述我得到一个“只运行在主线程”异常深处(或之后) [self.navigationController pushViewController:controller animated:YES]; 事情只发生在模拟器上,而不是在IOS设备中进行调试. 有什么机会我可以解决这个问题吗？ 转储： 2014-03-25 15:18:45.061 Cookila[657:5507] *** Assertion 我得到一个“只运行在主线程”异常深处(或之后)

[self.navigationController pushVIEwController:controller animated:YES];

事情只发生在模拟器上,而不是在IOS设备中进行调试.
有什么机会我可以解决这个问题吗？

转储：

2014-03-25 15:18:45.061 Cookila[657:5507] *** Assertion failure in voID _UIPerformResizeOfTextVIEwForTextContainer(NSLayoutManager *,UIVIEw<NSTextContainerVIEw> *,NSTextContainer *,NSUInteger)(),/SourceCache/UIFoundation_Sim/UIFoundation-264.8/UIFoundation/TextSystem/NSLayoutManager_Private.m:15102014-03-25 15:18:45.086 Cookila[657:5507] *** Terminating app due to uncaught exception 'NSInternalinconsistencyException',reason: 'Only run on the main thread!'*** First throw call stack:(    0   CoreFoundation                      0x027251e4 __exceptionPreprocess + 180    1   libobjc.A.dylib                     0x024a48e5 objc_exception_throw + 44    2   CoreFoundation                      0x02725048 +[NSException raise:format:arguments:] + 136    3   Foundation                          0x01f43b20 -[NSAssertionHandler handleFailureInFunction:file:lineNumber:description:] + 101    4   UIFoundation                        0x0947fe25 -[NSLayoutManager(nsprivate) _resizeTextVIEwForTextContainer:] + 419    5   UIFoundation                        0x0947fb0a -[NSLayoutManager(nsprivate) _recalculateUsageForTextContainerAtIndex:] + 2083    6   UIFoundation                        0x094b4289 _enableTextVIEwResizing + 234    7   UIFoundation                        0x094b7e89 -[NSLayoutManager textStorage:edited:range:changeInLength:invalIDatedRange:] + 688    8   UIFoundation                        0x094b7f0e -[NSLayoutManager processEditingForTextStorage:edited:range:changeInLength:invalIDatedRange:] + 82    9   UIFoundation                        0x094e0ab5 -[NSTextStorage _notifyEdited:range:changeInLength:invalIDatedRange:] + 153    10  UIFoundation                        0x094e05f0 -[NSTextStorage processEditing] + 462    11  UIFoundation                        0x094e0199 -[NSTextStorage endEditing] + 80    12  UIFoundation                        0x094e0223 -[NSTextStorage coordinateEditing:] + 66    13  UIKit                               0x016618cb -[UITextVIEw setAttributedText:] + 254    14  UIKit                               0x01660c16 -[UITextVIEw initWithCoder:] + 706    15  UIKit                               0x01372d6d UINibDecoderDecodeObjectForValue + 704    16  UIKit                               0x01372f6e UINibDecoderDecodeObjectForValue + 1217    17  UIKit                               0x01372aa1 -[UINibDecoder decodeObjectForKey:] + 114    18  UIKit                               0x00faafa4 -[UIVIEw initWithCoder:] + 842    19  UIKit                               0x01372d6d UINibDecoderDecodeObjectForValue + 704    20  UIKit                               0x01372f6e UINibDecoderDecodeObjectForValue + 1217    21  UIKit                               0x01372aa1 -[UINibDecoder decodeObjectForKey:] + 114    22  UIKit                               0x00faafa4 -[UIVIEw initWithCoder:] + 842    23  UIKit                               0x00fcdff1 -[UIScrollVIEw initWithCoder:] + 58    24  UIKit                               0x01372d6d UINibDecoderDecodeObjectForValue + 704    25  UIKit                               0x01372aa1 -[UINibDecoder decodeObjectForKey:] + 114    26  UIKit                               0x0120d7a7 -[UIRuntimeConnection initWithCoder:] + 191    27  UIKit                               0x01372d6d UINibDecoderDecodeObjectForValue + 704    28  UIKit                               0x01372f6e UINibDecoderDecodeObjectForValue + 1217    29  UIKit                               0x01372aa1 -[UINibDecoder decodeObjectForKey:] + 114    30  UIKit                               0x0120cc21 -[UINib instantiateWithOwner:options:] + 1117    31  UIKit                               0x010756f5 -[UIVIEwController _loadVIEwFromNibnamed:bundle:] + 280    32  UIKit                               0x01075e9d -[UIVIEwController loadVIEw] + 302    33  UIKit                               0x010760d3 -[UIVIEwController loadVIEwIfrequired] + 78    34  UIKit                               0x010765d9 -[UIVIEwController vIEw] + 35    35  UIKit                               0x01090942 -[UINavigationController _startCustomTransition:] + 778    36  UIKit                               0x0109d8f7 -[UINavigationController _startDeferredTransitionIfNeeded:] + 688    37  UIKit                               0x0109e4e9 -[UINavigationController __vIEwWillLayoutSubvIEws] + 57    38  UIKit                               0x011df0d1 -[UILayoutContainerVIEw layoutSubvIEws] + 213    39  UIKit                               0x00fc6964 -[UIVIEw(CALayerDelegate) layoutSublayersOfLayer:] + 355    40  libobjc.A.dylib                     0x024b682b -[NSObject performSelector:withObject:] + 70    41  QuartzCore                          0x00e2e45a -[CALayer layoutSublayers] + 148    42  QuartzCore                          0x00e22244 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 380    43  QuartzCore                          0x00e220b0 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 26    44  QuartzCore                          0x00d887fa _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 294    45  QuartzCore                          0x00d89b85 _ZN2CA11Transaction6commitEv + 393    46  QuartzCore                          0x00d89dd6 _ZN2CA11Transaction14release_threadEPv + 226    47  libsystem_pthread.dylib             0x031f581c _pthread_tsd_cleanup + 93    48  libsystem_pthread.dylib             0x031f227e _pthread_exit + 108    49  libsystem_pthread.dylib             0x031f21e8 pthread_exit + 33    50  Foundation                          0x01ef1dd2 __NSFinalizeThreadData + 0    51  Foundation                          0x01eee97e __NSThread__main__ + 1299    52  libsystem_pthread.dylib             0x031f15fb _pthread_body + 144    53  libsystem_pthread.dylib             0x031f1485 _pthread_struct_init + 0    54  libsystem_pthread.dylib             0x031f6cf2 thread_start + 34)libc++abi.dylib: terminating with uncaught exception of type NSException

解决方法 请从主线程做你的UI回调.你不能从后台线程更新您的UI.

使用Grand Central dispatch进行UI更新：

dispatch_async(dispatch_get_main_queue(),^{    /* Your UI code */});

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