I'd suggest you raise a bug in Bugzilla. Or, if Sebastien or Rolf is around, they may be able to help more.
On 3 April 2013 18:21, Juan M Gómez <[email protected]> wrote: > Hi Nic! > > Thank you for the reply. The button is mapped from a xib file, so it is in > a class scope. I even changed the lambda, I'm currently using an action > instead, but no way. The app is still crashing... :( > > Best > > Juan M Gómez > *Contractor Software Engineer* > [email protected] > > [image: twitter] <http://twitter.com/_jmgomez_> [image: > linkedIn]<http://es.linkedin.com/in/juamangomalv> > > > > 2013/4/3 Nic Wise <[email protected]> > >> Hi Juan >> >> here's the key (I think!): >> >> "Unhandled managed exception: Selector invoked from objective-c on a >> managed object of type MonoTouch.UIKit.UIControlEventProxy (0x1432A3B0) >> that has been GC'ed (System.Exception)" >> >> You have something - the UIButton I suspect - which exists in ObjC land, >> which is trying to call the delegate, but the button has been GC'ed in C# >> land, and it has nowhere to call into. >> >> Where is ButtonX declared? Does it only happen when you tap the button? >> Can you move the declaration of ButtonX to somewhere where it will always >> remain in scope? eg, in the class, not in your method? >> >> Cheers >> >> Nic >> >> >> >> On 3 April 2013 17:37, Juan M Gómez <[email protected]> wrote: >> >>> Hi guys, >>> >>> I have a weird issue in my app. I made a custom control with some >>> ViewControllers inside it. The custom control derivates from UIScrollView, >>> but I think that the issue is not about this, just to clarify. >>> >>> When one, and only one, of thoses uiviewcontroller has a TouchuUpInside >>> via UIButton, the app just crashes although I don't do nothing inside it. >>> >>> ButtonX.TouchUpInside += (sender, e) =>{ >>> //This crashes >>> //If I dont declare this lambda, the app doesnt crash >>> }; >>> >>> cheers >>> >>> >>> Unhandled Exception: >>> 0 GolfTouch 0x000f2fde >>> mono_handle_exception_internal_first_pass + 2190 >>> 1 GolfTouch 0x000f4a22 >>> mono_handle_exception_internal + 1602 >>> 2 GolfTouch 0x000f556f mono_handle_exception >>> + 47 >>> 3 GolfTouch 0x001386a2 >>> mono_x86_throw_exception + 306 >>> 4 ??? 0x0b5d5f8f 0x0 + 190668687 >>> at MonoTouch.ObjCRuntime.Runtime.GetNSObject (intptr) [0x0001f] in >>> /Developer/MonoTouch/Source/monotouch/src/ObjCRuntime/Runtime.cs:328 >>> at MonoTouch.ObjCRuntime.Runtime.GetNSObjectWrapped (intptr) [0x00000] >>> in /Developer/MonoTouch/Source/monotouch/src/ObjCRuntime/Runtime.cs:345 >>> at (wrapper native-to-managed) >>> MonoTouch.ObjCRuntime.Runtime.GetNSObjectWrapped (intptr) <IL 0x00017, >>> 0x00094> >>> 8 GolfTouch 0x0026dbd3 >>> get_managed_object_for_ptr + 115 >>> 9 GolfTouch 0x00272ac0 monotouch_trampoline >>> + 448 >>> 10 libobjc.A.dylib 0x041f8705 -[NSObject >>> performSelector:withObject:withObject:] + 77 >>> 11 UIKit 0x019542c0 -[UIApplication >>> sendAction:to:from:forEvent:] + 96 >>> 12 UIKit 0x01954258 -[UIApplication >>> sendAction:toTarget:fromSender:forEvent:] + 61 >>> 13 UIKit 0x01a15021 -[UIControl >>> sendAction:to:forEvent:] + 66 >>> 14 UIKit 0x01a1557f -[UIControl(Internal) >>> _sendActionsForEvents:withEvent:] + 578 >>> 15 UIKit 0x01a146e8 -[UIControl >>> touchesEnded:withEvent:] + 546 >>> 16 UIKit 0x01c181d3 >>> _UIGestureRecognizerUpdate + 7407 >>> 17 CoreFoundation 0x03f77afe >>> __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30 >>> 18 CoreFoundation 0x03f77a3d >>> __CFRunLoopDoObservers + 381 >>> 19 CoreFoundation 0x03f557c2 __CFRunLoopRun + 1106 >>> 20 CoreFoundation 0x03f54f44 CFRunLoopRunSpecific >>> + 276 >>> 21 CoreFoundation 0x03f54e1b CFRunLoopRunInMode + >>> 123 >>> 22 GraphicsServices 0x04f1f7e3 GSEventRunModal + 88 >>> 23 GraphicsServices 0x04f1f668 GSEventRun + 104 >>> 24 UIKit 0x01950ffc UIApplicationMain + >>> 1211 >>> at (wrapper managed-to-native) >>> MonoTouch.UIKit.UIApplication.UIApplicationMain >>> (int,string[],intptr,intptr) <IL 0x00056, 0x001f5> >>> at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x0004c] >>> in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38 >>> at Golf.Touch.Application.Main (string[]) [0x00000] in >>> /Users/jmgomez/Dropbox/Projects/golf/GolfMvvM/Golf/Golf.Touch/Main.cs:17 >>> at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object >>> (object,intptr,intptr,intptr) <IL 0x00049, 0x0012e> >>> 29 GolfTouch 0x0006d542 >>> mono_jit_runtime_invoke + 722 >>> 30 GolfTouch 0x001d0a1e mono_runtime_invoke + >>> 126 >>> 31 GolfTouch 0x001d4c14 >>> mono_runtime_exec_main + 420 >>> 32 GolfTouch 0x001da005 mono_runtime_run_main >>> + 725 >>> 33 GolfTouch 0x000cabd5 mono_jit_exec + 149 >>> 34 GolfTouch 0x002689c4 main + 1988 >>> 35 GolfTouch 0x00066471 start + 53 >>> >>> 2013-04-03 17:22:31.984 GolfTouch[2445:c07] Unhandled managed exception: >>> Selector invoked from objective-c on a managed object of type >>> MonoTouch.UIKit.UIControlEventProxy (0x1432A3B0) that has been GC'ed >>> (System.Exception) >>> at MonoTouch.ObjCRuntime.Runtime.ConstructNSObject (IntPtr ptr, IntPtr >>> klass) [0x000c4] in >>> /Developer/MonoTouch/Source/monotouch/src/ObjCRuntime/Runtime.cs:284 >>> at MonoTouch.ObjCRuntime.Runtime.GetNSObject (IntPtr ptr) [0x0001f] in >>> /Developer/MonoTouch/Source/monotouch/src/ObjCRuntime/Runtime.cs:328 >>> at MonoTouch.ObjCRuntime.Runtime.GetNSObjectWrapped (IntPtr ptr) >>> [0x00000] in >>> /Developer/MonoTouch/Source/monotouch/src/ObjCRuntime/Runtime.cs:345 >>> at (wrapper native-to-managed) >>> MonoTouch.ObjCRuntime.Runtime:GetNSObjectWrapped (intptr) >>> 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 Golf.Touch.Application.Main (System.String[] args) [0x00000] in >>> /Users/jmgomez/Dropbox/Projects/golf/GolfMvvM/Golf/Golf.Touch/Main.cs:17 >>> Stacktrace: >>> >>> >>> Native stacktrace: >>> >>> 0 GolfTouch 0x000f589c >>> mono_handle_native_sigsegv + 284 >>> 1 GolfTouch 0x0013ba8d >>> sigabrt_signal_handler + 109 >>> 2 libsystem_c.dylib 0x944208cb _sigtramp + 43 >>> 3 ??? 0xffffffff 0x0 + 4294967295 >>> 4 libsystem_sim_c.dylib 0x048f557b abort + 140 >>> 5 GolfTouch 0x0027a68b >>> monotouch_unhandled_exception_handler + 283 >>> 6 GolfTouch 0x000f130c >>> mono_invoke_unhandled_exception_hook + 140 >>> 7 GolfTouch 0x000f541a >>> mono_handle_exception_internal + 4154 >>> 8 GolfTouch 0x000f556f >>> mono_handle_exception + 47 >>> 9 GolfTouch 0x001386a2 >>> mono_x86_throw_exception + 306 >>> 10 ??? 0x0b5d5f8f 0x0 + 190668687 >>> 11 ??? 0x1051b614 0x0 + 273790484 >>> 12 ??? 0x1051b504 0x0 + 273790212 >>> 13 ??? 0x0b704b64 0x0 + 191908708 >>> 14 GolfTouch 0x0026dbd3 >>> get_managed_object_for_ptr + 115 >>> 15 GolfTouch 0x00272ac0 monotouch_trampoline >>> + 448 >>> 16 libobjc.A.dylib 0x041f8705 -[NSObject >>> performSelector:withObject:withObject:] + 77 >>> 17 UIKit 0x019542c0 -[UIApplication >>> sendAction:to:from:forEvent:] + 96 >>> 18 UIKit 0x01954258 -[UIApplication >>> sendAction:toTarget:fromSender:forEvent:] + 61 >>> 19 UIKit 0x01a15021 -[UIControl >>> sendAction:to:forEvent:] + 66 >>> 20 UIKit 0x01a1557f >>> -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 578 >>> 21 UIKit 0x01a146e8 -[UIControl >>> touchesEnded:withEvent:] + 546 >>> 22 UIKit 0x01c181d3 >>> _UIGestureRecognizerUpdate + 7407 >>> 23 CoreFoundation 0x03f77afe >>> __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30 >>> 24 CoreFoundation 0x03f77a3d >>> __CFRunLoopDoObservers + 381 >>> 25 CoreFoundation 0x03f557c2 __CFRunLoopRun + 1106 >>> 26 CoreFoundation 0x03f54f44 >>> CFRunLoopRunSpecific + 276 >>> 27 CoreFoundation 0x03f54e1b CFRunLoopRunInMode + >>> 123 >>> 28 GraphicsServices 0x04f1f7e3 GSEventRunModal + 88 >>> 29 GraphicsServices 0x04f1f668 GSEventRun + 104 >>> 30 UIKit 0x01950ffc UIApplicationMain + >>> 1211 >>> 31 ??? 0x105194ad 0x0 + 273781933 >>> 32 ??? 0x10111fd0 0x0 + 269557712 >>> 33 ??? 0x10111bd8 0x0 + 269556696 >>> 34 ??? 0x10111d2e 0x0 + 269557038 >>> 35 GolfTouch 0x0006d542 >>> mono_jit_runtime_invoke + 722 >>> 36 GolfTouch 0x001d0a1e mono_runtime_invoke >>> + 126 >>> 37 GolfTouch 0x001d4c14 >>> mono_runtime_exec_main + 420 >>> 38 GolfTouch 0x001da005 >>> mono_runtime_run_main + 725 >>> 39 GolfTouch 0x000cabd5 mono_jit_exec + 149 >>> 40 GolfTouch 0x002689c4 main + 1988 >>> 41 GolfTouch 0x00066471 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. >>> ================================================================= >>> >>> >>> Juan M Gómez >>> *Contractor Software Engineer* >>> [email protected] >>> >>> [image: twitter] <http://twitter.com/_jmgomez_> [image: >>> linkedIn]<http://es.linkedin.com/in/juamangomalv> >>> >>> >>> _______________________________________________ >>> MonoTouch mailing list >>> [email protected] >>> http://lists.ximian.com/mailman/listinfo/monotouch >>> >>> >> >> >> -- >> Nic Wise >> t. +44 7788 592 806 | @fastchicken >> b. http://www.fastchicken.co.nz/ >> > > -- Nic Wise t. +44 7788 592 806 | @fastchicken b. http://www.fastchicken.co.nz/
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