在我基于 Monotouch 的 iOS 项目中，我有 2 个 View Controller 。在第一个 ViewController 上，我通过 xib 创建了一个按钮。 现在，在选择此按钮时，我想显示第二个 View Controller ，但它没有发生，并且导致应用程序崩溃。
所以在我的 design.cs 文件中，这就是创建按钮的方式
[Outlet]
MonoTouch.UIKit.UIButton firstButton { get; set; }
[Action ("clickMe:")]
partial void clickMe (MonoTouch.Foundation.NSObject sender);
这是我的 .cs 文件中的按钮操作方法，导致崩溃。
partial void clickMe (MonoTouch.Foundation.NSObject sender)
{
SecondViewController secondViewControllerObject=new SecondViewController();
this.PresentViewController(secondViewControllerObject, true, null);
}
错误描述:-
执行 native 代码时获得 SIGABRT。
由于未处理的异常而终止运行时
Unhandled Exception:
0 TestingFirstProject 0x0008ebce mono_handle_exception_internal_first_pass + 2190
1 TestingFirstProject 0x00090612 mono_handle_exception_internal + 1602
2 TestingFirstProject 0x0009115f mono_handle_exception + 47
3 TestingFirstProject 0x000d42b2 mono_x86_throw_exception + 306
4 ??? 0x0b496f8f 0x0 + 189362063
5 TestingFirstProject 0x00215f38 monotouch_exception_handler + 136
6 CoreFoundation 0x013ca318 __handleUncaughtException + 728
7 libobjc.A.dylib 0x0401d0b9 _ZL15_objc_terminatev + 86
8 libc++abi.dylib 0x0435ea65 _ZL19safe_handler_callerPFvvE + 13
9 libc++abi.dylib 0x0435eacd __cxa_bad_typeid + 0
10 libc++abi.dylib 0x0435fbc2 _ZL23__gxx_exception_cleanup19_Unwind_Reason_CodeP17_Unwind_Exception + 0
11 libobjc.A.dylib 0x0401cf89 _ZL26_objc_exception_destructorPv + 0
12 CoreFoundation 0x013c9fb1 -[NSException raise] + 17
13 Foundation 0x01a08711 -[NSObject(NSKeyValueCoding) setValue:forUndefinedKey:] + 282
14 Foundation 0x01989ec8 _NSSetUsingKeyValueSetter + 140
15 Foundation 0x019899b7 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 267
16 Foundation 0x019b4428 -[NSObject(NSKeyValueCoding) setValue:forKeyPath:] + 412
17 UIKit 0x029410cc -[UIRuntimeOutletConnection connect] + 106
18 libobjc.A.dylib 0x04030663 -[NSObject performSelector:] + 62
19 CoreFoundation 0x0133c45a -[NSArray makeObjectsPerformSelector:] + 314
20 UIKit 0x0293fbcf -[UINib instantiateWithOwner:options:] + 1327
21 UIKit 0x02804e37 -[UIViewController _loadViewFromNibNamed:bundle:] + 280
22 UIKit 0x02805418 -[UIViewController loadView] + 302
23 UIKit 0x02805648 -[UIViewController loadViewIfRequired] + 73
24 UIKit 0x02805882 -[UIViewController view] + 33
25 UIKit 0x02811235 -[UIViewController shouldAutorotate] + 36
26 UIKit 0x02a103d2 -[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:] + 1933
27 UIKit 0x0280e4f3 -[UIViewController presentViewController:withTransition:completion:] + 4521
28 UIKit 0x0280e777 -[UIViewController presentViewController:animated:completion:] + 112
at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging.void_objc_msgSendSuper_IntPtr_bool_IntPtr (intptr,intptr,intptr,bool,intptr) <IL 0x00016, 0x00044>
at MonoTouch.UIKit.UIViewController.PresentViewController (MonoTouch.UIKit.UIViewController,bool,MonoTouch.Foundation.NSAction) [0x0006f] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIViewController.g.cs:659
at TestingFirstProject.TestingFirstProjectViewController.clickMe (MonoTouch.Foundation.NSObject) [0x00006] in /Users/rock/Desktop/Sample Project/TestingFirstProject/TestingFirstProject/TestingFirstProjectViewController.cs:41
at (wrapper runtime-invoke) <Module>.runtime_invoke_void__this___object (object,intptr,intptr,intptr) <IL 0x0004b, 0x0007d>
33 TestingFirstProject 0x00009922 mono_jit_runtime_invoke + 722
34 TestingFirstProject 0x0016c4ae mono_runtime_invoke + 126
35 TestingFirstProject 0x0020f086 monotouch_trampoline + 3686
36 libobjc.A.dylib 0x04030705 -[NSObject performSelector:withObject:withObject:] + 77
37 UIKit 0x02727920 -[UIApplication sendAction:to:from:forEvent:] + 96
38 UIKit 0x027278b8 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 61
39 UIKit 0x027e8671 -[UIControl sendAction:to:forEvent:] + 66
40 UIKit 0x027e8bcf -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 578
41 UIKit 0x027e7d38 -[UIControl touchesEnded:withEvent:] + 546
42 UIKit 0x0275733f -[UIWindow _sendTouchesForEvent:] + 846
43 UIKit 0x02757552 -[UIWindow sendEvent:] + 273
44 UIKit 0x027353aa -[UIApplication sendEvent:] + 436
45 UIKit 0x02726cf8 _UIApplicationHandleEvent + 9874
46 GraphicsServices 0x04d0fdf9 _PurpleEventCallback + 339
47 GraphicsServices 0x04d0fad0 PurpleEventCallback + 46
48 CoreFoundation 0x012b6bf5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
49 CoreFoundation 0x012b6962 __CFRunLoopDoSource1 + 146
50 CoreFoundation 0x012e7bb6 __CFRunLoopRun + 2118
51 CoreFoundation 0x012e6f44 CFRunLoopRunSpecific + 276
52 CoreFoundation 0x012e6e1b CFRunLoopRunInMode + 123
53 GraphicsServices 0x04d0e7e3 GSEventRunModal + 88
54 GraphicsServices 0x04d0e668 GSEventRun + 104
55 UIKit 0x0272465c UIApplicationMain + 1211
at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) <IL 0x00056, 0x000a4>
at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x0004c] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38
at TestingFirstProject.Application.Main (string[]) [0x00000] in /Users/rock/Desktop/Sample Project/TestingFirstProject/TestingFirstProject/Main.cs:17
at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object (object,intptr,intptr,intptr) <IL 0x00049, 0x00077>
60 TestingFirstProject 0x00009922 mono_jit_runtime_invoke + 722
61 TestingFirstProject 0x0016c4ae mono_runtime_invoke + 126
62 TestingFirstProject 0x001706a4 mono_runtime_exec_main + 420
63 TestingFirstProject 0x00175a95 mono_runtime_run_main + 725
64 TestingFirstProject 0x00066e05 mono_jit_exec + 149
65 TestingFirstProject 0x0020433d main + 2013
66 TestingFirstProject 0x00002955 start + 53
[ERROR] FATAL UNHANDLED EXCEPTION: MonoTouch.Foundation.MonoTouchException: Objective-C exception thrown. Name: NSUnknownKeyException Reason: [<SecondViewController 0x12a36ca0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key butnSubmit.
at (wrapper managed-to-native) MonoTouch.ObjCRuntime.Messaging:void_objc_msgSendSuper_IntPtr_bool_IntPtr (intptr,intptr,intptr,bool,intptr)
at MonoTouch.UIKit.UIViewController.PresentViewController (MonoTouch.UIKit.UIViewController viewControllerToPresent, Boolean animated, MonoTouch.Foundation.NSAction completionHandler) [0x0006f] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIViewController.g.cs:659
at TestingFirstProject.TestingFirstProjectViewController.clickMe (MonoTouch.Foundation.NSObject sender) [0x00006] in /Users/rock/Desktop/Sample Project/TestingFirstProject/TestingFirstProject/TestingFirstProjectViewController.cs:41
at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr)
at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0004c] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38
at TestingFirstProject.Application.Main (System.String[] args) [0x00000] in /Users/rock/Desktop/Sample Project/TestingFirstProject/TestingFirstProject/Main.cs:17
Stacktrace:
Native stacktrace:
0 TestingFirstProject 0x0009148c mono_handle_native_sigsegv + 284
1 TestingFirstProject 0x000d769d sigabrt_signal_handler + 109
2 libsystem_c.dylib 0x9a4c386b _sigtramp + 43
3 ??? 0xffffffff 0x0 + 4294967295
4 libsystem_sim_c.dylib 0x041e057b abort + 140
5 TestingFirstProject 0x001ea3fd monoeg_g_logv + 157
6 TestingFirstProject 0x001ea42b monoeg_assertion_message + 43
7 TestingFirstProject 0x00215e5f monotouch_unhandled_exception_handler + 159
8 TestingFirstProject 0x0008cefc mono_invoke_unhandled_exception_hook + 140
9 TestingFirstProject 0x0009100a mono_handle_exception_internal + 4154
10 TestingFirstProject 0x0009115f mono_handle_exception + 47
11 TestingFirstProject 0x000d42b2 mono_x86_throw_exception + 306
12 ??? 0x0b496f8f 0x0 + 189362063
13 TestingFirstProject 0x00215f38 monotouch_exception_handler + 136
14 CoreFoundation 0x013ca318 __handleUncaughtException + 728
15 libobjc.A.dylib 0x0401d0b9 _ZL15_objc_terminatev + 86
16 libc++abi.dylib 0x0435ea65 _ZL19safe_handler_callerPFvvE + 13
17 libc++abi.dylib 0x0435eacd __cxa_bad_typeid + 0
18 libc++abi.dylib 0x0435fbc2 _ZL23__gxx_exception_cleanup19_Unwind_Reason_CodeP17_Unwind_Exception + 0
19 libobjc.A.dylib 0x0401cf89 _ZL26_objc_exception_destructorPv + 0
20 CoreFoundation 0x013c9fb1 -[NSException raise] + 17
21 Foundation 0x01a08711 -[NSObject(NSKeyValueCoding) setValue:forUndefinedKey:] + 282
22 Foundation 0x01989ec8 _NSSetUsingKeyValueSetter + 140
23 Foundation 0x019899b7 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 267
24 Foundation 0x019b4428 -[NSObject(NSKeyValueCoding) setValue:forKeyPath:] + 412
25 UIKit 0x029410cc -[UIRuntimeOutletConnection connect] + 106
26 libobjc.A.dylib 0x04030663 -[NSObject performSelector:] + 62
27 CoreFoundation 0x0133c45a -[NSArray makeObjectsPerformSelector:] + 314
28 UIKit 0x0293fbcf -[UINib instantiateWithOwner:options:] + 1327
29 UIKit 0x02804e37 -[UIViewController _loadViewFromNibNamed:bundle:] + 280
30 UIKit 0x02805418 -[UIViewController loadView] + 302
31 UIKit 0x02805648 -[UIViewController loadViewIfRequired] + 73
32 UIKit 0x02805882 -[UIViewController view] + 33
33 UIKit 0x02811235 -[UIViewController shouldAutorotate] + 36
34 UIKit 0x02a103d2 -[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:] + 1933
35 UIKit 0x0280e4f3 -[UIViewController presentViewController:withTransition:completion:] + 4521
36 UIKit 0x0280e777 -[UIViewController presentViewController:animated:completion:] + 112
37 ??? 0x129333bc 0x0 + 311636924
38 ??? 0x12933118 0x0 + 311636248
39 ??? 0x12932ff5 0x0 + 311635957
40 ??? 0x12931ff5 0x0 + 311631861
41 TestingFirstProject 0x00009922 mono_jit_runtime_invoke + 722
42 TestingFirstProject 0x0016c4ae mono_runtime_invoke + 126
43 TestingFirstProject 0x0020f086 monotouch_trampoline + 3686
44 libobjc.A.dylib 0x04030705 -[NSObject performSelector:withObject:withObject:] + 77
45 UIKit 0x02727920 -[UIApplication sendAction:to:from:forEvent:] + 96
46 UIKit 0x027278b8 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 61
47 UIKit 0x027e8671 -[UIControl sendAction:to:forEvent:] + 66
48 UIKit 0x027e8bcf -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 578
49 UIKit 0x027e7d38 -[UIControl touchesEnded:withEvent:] + 546
50 UIKit 0x0275733f -[UIWindow _sendTouchesForEvent:] + 846
51 UIKit 0x02757552 -[UIWindow sendEvent:] + 273
52 UIKit 0x027353aa -[UIApplication sendEvent:] + 436
53 UIKit 0x02726cf8 _UIApplicationHandleEvent + 9874
54 GraphicsServices 0x04d0fdf9 _PurpleEventCallback + 339
55 GraphicsServices 0x04d0fad0 PurpleEventCallback + 46
56 CoreFoundation 0x012b6bf5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
57 CoreFoundation 0x012b6962 __CFRunLoopDoSource1 + 146
58 CoreFoundation 0x012e7bb6 __CFRunLoopRun + 2118
59 CoreFoundation 0x012e6f44 CFRunLoopRunSpecific + 276
60 CoreFoundation 0x012e6e1b CFRunLoopRunInMode + 123
61 GraphicsServices 0x04d0e7e3 GSEventRunModal + 88
62 GraphicsServices 0x04d0e668 GSEventRun + 104
63 UIKit 0x0272465c UIApplicationMain + 1211
64 ??? 0x0e9ccd74 0x0 + 245157236
65 ??? 0x0e9cb3e8 0x0 + 245150696
66 ??? 0x0e9cabe8 0x0 + 245148648
67 ??? 0x0e9cac77 0x0 + 245148791
68 TestingFirstProject 0x00009922 mono_jit_runtime_invoke + 722
69 TestingFirstProject 0x0016c4ae mono_runtime_invoke + 126
70 TestingFirstProject 0x001706a4 mono_runtime_exec_main + 420
71 TestingFirstProject 0x00175a95 mono_runtime_run_main + 725
72 TestingFirstProject 0x00066e05 mono_jit_exec + 149
73 TestingFirstProject 0x0020433d main + 2013
74 TestingFirstProject 0x00002955 start + 53
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
最佳答案
异常中的关键信息是:
this class is not key value coding-compliant for the key butnSubmit
这意味着您的 C# 类上有一个属性，但在 .xib(接口(interface)生成器)文件中没有相应的导出。
重新检查/重新创建您的网点，看看是否可以解决问题。
关于iphone - 在单点触控中以模态方式显示 View Controller ，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/14801761/