possibly. Any way to stop this happening? Don't let it go out of scope? On Thu, Feb 23, 2012 at 11:32, Rolf Bjarne Kvinge <[email protected]> wrote: > Hi, > > Most likely an UploadStatusViewController has been freed too early by the > GC, in particular if it's happening randomly. > > Rolf > > On Wed, Feb 22, 2012 at 10:56 PM, Nic Wise <[email protected]> wrote: >> >> Hi there >> >> I'm getting this error back from various users of my app (I"ve not >> seen it myself) >> >> Exception: System.Exception: Selector invoked from objective-c on a >> managed object (0x56B51D0) that has been GC'ed ---> >> System.MissingMethodException: No constructor found for >> MobileAgent.UploadStatusViewController::.ctor(System.IntPtr) >> at System.Activator.CreateInstance (System.Type type, BindingFlags >> bindingAttr, System.Reflection.Binder binder, System.Object[] args, >> System.Globalization.CultureInfo culture, System.Object[] >> activationAttributes) [0x00000] in <filename unknown>:0 >> at System.Activator.CreateInstance (System.Type type, >> System.Object[] args, System.Object[] activationAttributes) [0x00000] >> in <filename unknown>:0 >> at System.Activator.CreateInstance (System.Type type, >> System.Object[] args) [0x00000] in <filename unknown>:0 >> at MonoTouch.ObjCRuntime.Runtime.ConstructNSObject (IntPtr ptr, >> IntPtr klass) [0x00000] in <filename unknown>:0 >> --- End of inner exception stack trace --- >> at MonoTouch.ObjCRuntime.Runtime.ConstructNSObject (IntPtr ptr, >> IntPtr klass) [0x00000] in <filename unknown>:0 >> at MonoTouch.ObjCRuntime.Runtime.GetNSObject (IntPtr ptr) [0x00000] >> in <filename unknown>:0 >> at MonoTouch.ObjCRuntime.Runtime.GetNSObjectWrapped (IntPtr ptr) >> [0x00000] in <filename unknown>:0 >> at (wrapper native-to-managed) >> MonoTouch.ObjCRuntime.Runtime:GetNSObjectWrapped (intptr) >> at MonoTouch.UIKit.UIViewController.DismissModalViewControllerAnimated >> (Boolean animated) [0x00000] in <filename unknown>:0 >> at MobileAgent.AddExpenseDialogViewController.Save (System.Object >> sender, System.EventArgs e) [0x00000] in <filename unknown>:0 >> at MonoTouch.UIKit.UIBarButtonItem+Callback.Call >> (MonoTouch.Foundation.NSObject sender) [0x00000] in <filename >> unknown>:0 >> at MonoTouch.UIKit.UIApplication.Main (System.String[] args, >> System.String principalClassName, System.String delegateClassName) >> [0x00000] in <filename unknown>:0 >> at MobileAgent.Application.Main (System.String[] args) [0x00000] in >> <filename unknown>:0 >> 20120222/214652: StackTrace: at >> MonoTouch.ObjCRuntime.Runtime.ConstructNSObject (IntPtr ptr, IntPtr >> klass) [0x00000] in <filename unknown>:0 >> at MonoTouch.ObjCRuntime.Runtime.GetNSObject (IntPtr ptr) [0x00000] >> in <filename unknown>:0 >> at MonoTouch.ObjCRuntime.Runtime.GetNSObjectWrapped (IntPtr ptr) >> [0x00000] in <filename unknown>:0 >> at (wrapper native-to-managed) >> MonoTouch.ObjCRuntime.Runtime:GetNSObjectWrapped (intptr) >> at MonoTouch.UIKit.UIViewController.DismissModalViewControllerAnimated >> (Boolean animated) [0x00000] in <filename unknown>:0 >> at MobileAgent.AddExpenseDialogViewController.Save (System.Object >> sender, System.EventArgs e) [0x00000] in <filename unknown>:0 >> at MonoTouch.UIKit.UIBarButtonItem+Callback.Call >> (MonoTouch.Foundation.NSObject sender) [0x00000] in <filename >> unknown>:0 >> at MonoTouch.UIKit.UIApplication.Main (System.String[] args, >> System.String principalClassName, System.String delegateClassName) >> [0x00000] in <filename unknown>:0 >> at MobileAgent.Application.Main (System.String[] args) [0x00000] in >> <filename unknown>:0 >> >> >> The class which is having the problem is this one: >> >> public class UploadStatusViewController : UIViewController >> { >> >> public UploadStatusViewController (RectangleF bounds, int >> lines) : base() >> { >> >> etc - it only has one constructor at this level. >> >> I've not done an (IntPtr) constructor for it, so I assumed it would >> take UIViewController's one.... Bug, or my problem? >> >> Thanks >> >> Nic >> >> -- >> Nic Wise >> t. +44 7788 592 806 | @fastchicken | http://www.linkedin.com/in/nicwise >> b. http://www.fastchicken.co.nz/ >> >> Nearest Bus: find when the next bus is coming to your stop. >> http://goo.gl/Vcz1p >> mobileAgent (for FreeAgent): get your accounts in your pocket. >> http://goo.gl/IuBU >> Trip Wallet: Keep track of your budget on the go: http://goo.gl/ePhKa >> London Bike App: Find the nearest Boris Bike, and get riding! >> http://goo.gl/Icp2 >> _______________________________________________ >> MonoTouch mailing list >> [email protected] >> http://lists.ximian.com/mailman/listinfo/monotouch > >
-- Nic Wise t. +44 7788 592 806 | @fastchicken | http://www.linkedin.com/in/nicwise b. http://www.fastchicken.co.nz/ Nearest Bus: find when the next bus is coming to your stop. http://goo.gl/Vcz1p mobileAgent (for FreeAgent): get your accounts in your pocket. http://goo.gl/IuBU Trip Wallet: Keep track of your budget on the go: http://goo.gl/ePhKa London Bike App: Find the nearest Boris Bike, and get riding! http://goo.gl/Icp2 _______________________________________________ MonoTouch mailing list [email protected] http://lists.ximian.com/mailman/listinfo/monotouch
