我是一名 Xcode 新手，无法阅读错误控制台来修复导致我的应用程序崩溃的任何问题。我的代码 (Swift) 可以编译，但是我收到了 SIGABRT 错误，我已经看到了很多其他线程。似乎每个问题的解决方案都大不相同。
2017-05-08 20:57:32.821 ChordGenerator[6335:422217] -[ChordGenerator.ViewController newChordButton:]: unrecognized selector sent to instance 0x7f9ec6407fd0
2017-05-08 20:57:32.825 ChordGenerator[6335:422217] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[ChordGenerator.ViewController newChordButton:]: unrecognized selector sent to instance 0x7f9ec6407fd0'
*** First throw call stack:
(
0 CoreFoundation 0x000000010b0beb0b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010828b141 objc_exception_throw + 48
2 CoreFoundation 0x000000010b12e134 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x000000010b045840 ___forwarding___ + 1024
4 CoreFoundation 0x000000010b0453b8 _CF_forwarding_prep_0 + 120
5 UIKit 0x0000000108f87d22 -[UIApplication sendAction:to:from:forEvent:] + 83
6 UIKit 0x000000010910c25c -[UIControl sendAction:to:forEvent:] + 67
7 UIKit 0x000000010910c577 -[UIControl _sendActionsForEvents:withEvent:] + 450
8 UIKit 0x000000010910b4b2 -[UIControl touchesEnded:withEvent:] + 618
9 UIKit 0x0000000108ff549a -[UIWindow _sendTouchesForEvent:] + 2707
10 UIKit 0x0000000108ff6bb0 -[UIWindow sendEvent:] + 4114
11 UIKit 0x0000000108fa37b0 -[UIApplication sendEvent:] + 352
12 UIKit 0x0000000109786adc __dispatchPreprocessedEventFromEventQueue + 2926
13 UIKit 0x000000010977ea3a __handleEventQueue + 1122
14 CoreFoundation 0x000000010b064c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
15 CoreFoundation 0x000000010b04a0cf __CFRunLoopDoSources0 + 527
16 CoreFoundation 0x000000010b0495ff __CFRunLoopRun + 911
17 CoreFoundation 0x000000010b049016 CFRunLoopRunSpecific + 406
18 GraphicsServices 0x000000010cf7ba24 GSEventRunModal + 62
19 UIKit 0x0000000108f860d4 UIApplicationMain + 159
20 ChordGenerator 0x0000000107cb06a7 main + 55
21 libdyld.dylib 0x000000010c01065d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
最佳答案
2017-05-08 20:57:32.821 ChordGenerator[6335:422217] -[ChordGenerator.ViewController newChordButton:]: 无法识别的选择器发送到实例 0x7f9ec6407fd0
这是您需要关注的行。据此，你的项目“ChordGenerator”有一个文件“ViewController”，你正在传递一个选择器“newChordButton”的一些功能。目前，系统无法找到该功能。总而言之，传递一个存在于目标范围内的函数name，即如果 target=self，则函数 newChordButton 必须存在于当前 ViewController.swift 类中。
如果您正在测试，只需创建一个空函数:
函数 newChordButton(){
print("输入了新的ChordButton函数")
}
关于swift - 我需要帮助阅读 Xcode 的错误控制台，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/43860004/