我正在为一个显示歌曲标题表并允许您单击它们以查看有关它的更多详细信息的项目制作应用程序。该项目的名称是 SpinCity。
下面是线程异常错误：
// main.m
// SpinCity
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int main(int argc, char *argv[])
{
@autoreleasepool {
return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
}
控制台输出为：
2016-03-02 11:25:15.036 SpinCity[32877:2988350] -[MasterViewController topViewController]: unrecognized selector sent to instance 0x7f975a6a47d0
2016-03-02 11:25:15.038 SpinCity[32877:2988350] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[MasterViewController topViewController]: unrecognized selector sent to instance 0x7f975a6a47d0'
*** First throw call stack:
(
0 CoreFoundation 0x000000010712de65 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000106ba6deb objc_exception_throw + 48
2 CoreFoundation 0x000000010713648d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
3 CoreFoundation 0x000000010708390a ___forwarding___ + 970
4 CoreFoundation 0x00000001070834b8 _CF_forwarding_prep_0 + 120
5 SpinCity 0x00000001066a0acb -[AppDelegate application:didFinishLaunchingWithOptions:] + 235
6 UIKit 0x00000001074d11f1 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 272
7 UIKit 0x00000001074d2397 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 3415
8 UIKit 0x00000001074d8cc6 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1760
9 UIKit 0x00000001074d5e7b -[UIApplication workspaceDidEndTransaction:] + 188
10 FrontBoardServices 0x0000000109ea9754 -[FBSSerialQueue _performNext] + 192
11 FrontBoardServices 0x0000000109ea9ac2 -[FBSSerialQueue _performNextFromRunLoopSource] + 45
12 CoreFoundation 0x0000000107059a31 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
13 CoreFoundation 0x000000010704f95c __CFRunLoopDoSources0 + 556
14 CoreFoundation 0x000000010704ee13 __CFRunLoopRun + 867
15 CoreFoundation 0x000000010704e828 CFRunLoopRunSpecific + 488
16 UIKit 0x00000001074d57cd -[UIApplication _run] + 402
17 UIKit 0x00000001074da610 UIApplicationMain + 171
18 SpinCity 0x00000001066a1fff main + 111
19 libdyld.dylib 0x000000010986992d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
关于如何解决这个问题的任何想法？
谢谢你。