以下是 iPad 的崩溃日志。当我UIViewController
从导航控制器中推送和弹出一个时,我随机发生了这个崩溃。任何帮助/指针表示赞赏。
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x31430386 _ZL12realizeClassP7class_t + 34
1 libobjc.A.dylib 0x314303e6 _ZL12realizeClassP7class_t + 130
2 libobjc.A.dylib 0x3142a836 prepareForMethodLookup + 74
3 libobjc.A.dylib 0x3142a740 lookUpMethod + 40
4 libobjc.A.dylib 0x3142a70c _class_lookupMethodAndLoadCache3 + 12
5 libobjc.A.dylib 0x31429fc4 objc_msgSend_uncached + 20
6 UIKit 0x3186553e -[UINavigationItem _accumulateViewsFromItems:isLeft:refreshViews:] + 270
7 UIKit 0x31851244 -[UINavigationItem _updateViewsForBarSizeChangeAndApply:] + 124
8 UIKit 0x319e023a __33-[UINavigationBar layoutSubviews]_block_invoke_0 + 250
9 UIKit 0x31838b46 +[UIView(Animation) _performWithoutAnimation:] + 62
10 UIKit 0x3184d2e2 -[UINavigationBar layoutSubviews] + 382
11 UIKit 0x31814f30 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 176
12 CoreFoundation 0x315431f4 -[NSObject performSelector:withObject:] + 36
13 QuartzCore 0x35459a9e -[CALayer layoutSublayers] + 210
14 QuartzCore 0x354596b6 CA::Layer::layout_if_needed(CA::Transaction*) + 210
15 QuartzCore 0x3545d83c CA::Context::commit_transaction(CA::Transaction*) + 220
16 QuartzCore 0x3545d578 CA::Transaction::commit() + 308
17 QuartzCore 0x354554b2 CA:::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 50
18 CoreFoundation 0x315b8b14 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 12
19 CoreFoundation 0x315b6d50 __CFRunLoopDoObservers + 252
20 CoreFoundation 0x315b70aa __CFRunLoopRun + 754
21 CoreFoundation 0x3153a49e CFRunLoopRunSpecific + 294
22 CoreFoundation 0x3153a366 CFRunLoopRunInMode + 98
23 GraphicsServices 0x32a13432 GSEventRunModal + 130
24 UIKit 0x3183fcce UIApplicationMain + 1074
25 SmartClassTPS 0x000b551a main (main.m:16)
26 SmartClassTPS 0x000b5170 start + 32