ios - 如何获取导致崩溃的类和方法名称？

Question

当应用崩溃时，我在调试控制台中处于堆栈下方。

(
    0   CoreFoundation                      0x000000010811434b __exceptionPreprocess + 171
    1   libobjc.A.dylib                     0x0000000107b4821e objc_exception_throw + 48
    2   CoreFoundation                      0x000000010816cbdf -[__NSSingleObjectArrayI objectAtIndex:] + 111
    3   FanPaas                             0x0000000106fa48fa -[ViewController openCrash] + 90
    4   UIKit                               0x0000000109bd3b88 -[UIApplication sendAction:to:from:forEvent:] + 83
    5   UIKit                               0x0000000109d592b2 -[UIControl sendAction:to:forEvent:] + 67
    6   UIKit                               0x0000000109d595cb -[UIControl _sendActionsForEvents:withEvent:] + 444
    7   UIKit                               0x0000000109d584c7 -[UIControl touchesEnded:withEvent:] + 668
    8   UIKit                               0x0000000109c410d5 -[UIWindow _sendTouchesForEvent:] + 2747
    9   UIKit                               0x0000000109c427c3 -[UIWindow sendEvent:] + 4011
    10  UIKit                               0x0000000109befa33 -[UIApplication sendEvent:] + 371
    11  UIKit                               0x000000010a3e1b6d __dispatchPreprocessedEventFromEventQueue + 3248
    12  UIKit                               0x000000010a3da817 __handleEventQueue + 4879
    13  CoreFoundation                      0x00000001080b9311 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    14  CoreFoundation                      0x000000010809e59c __CFRunLoopDoSources0 + 556
    15  CoreFoundation                      0x000000010809da86 __CFRunLoopRun + 918
    16  CoreFoundation                      0x000000010809d494 CFRunLoopRunSpecific + 420
    17  GraphicsServices                    0x000000010f82ba6f GSEventRunModal + 161
    18  UIKit                               0x0000000109bd1f34 UIApplicationMain + 159
    19  FanPaas                             0x0000000106fdf66f main + 111
    20  libdyld.dylib                       0x000000010c65868d start + 1
)

所以我尝试使用 [NSThread callStackSymbols]中的 NSSetUncaughtExceptionHandler(&HandleException)捕获堆栈跟踪。

(
    0   FanPaas                             0x000000010176f05e +[UncaughtExceptionHandler backtrace] + 46
    1   FanPaas                             0x000000010176fe92 HandleException + 98
    2   CoreFoundation                      0x00000001028f156c __handleUncaughtException + 732
    3   libobjc.A.dylib                     0x00000001022bc496 _ZL15_objc_terminatev + 94
    4   libc++abi.dylib                     0x0000000107382e69 _ZSt11__terminatePFvvE + 8
    5   libc++abi.dylib                     0x0000000107382af4 __cxa_rethrow + 99
    6   libobjc.A.dylib                     0x00000001022bc3b7 objc_exception_rethrow + 40
    7   CoreFoundation                      0x000000010281151b CFRunLoopRunSpecific + 555
    8   GraphicsServices                    0x000000010a6bfa6f GSEventRunModal + 161
    9   UIKit                               0x0000000104345f34 UIApplicationMain + 159
    10  FanPaas                             0x000000010175020f main + 111
    11  libdyld.dylib                       0x00000001074ec68d start + 1
)

实际上 [ViewController openCrash]导致崩溃，但我没有在 callStackSymbols中得到它。但这显示在调试控制台中。

如何获取导致崩溃的类和方法名称？

Answer 1

选择顶部的断点符号，然后单击底部的+符号，然后单击异常断点，这样会导致您进入导致崩溃的特定行。