Apple's docs say not to subclass UIWebView: http://developer.apple.com/library/ios/#documentation/uikit/reference/UIWebView_Class/Reference/Reference.html#//apple_ref/doc/uid/TP40006950-CH3-DontLinkElementID_2
On Fri, Aug 12, 2011 at 4:55 PM, <[email protected]> wrote: > > Preface: > > * iPad project > * Single viewcontroller, which in turn contains a single UIWebView > * UIWebView class name is set to 'MyWebView' > * Project contains instance of 'MyWebView' class (source code below) > * Crash occurs – stack trace below > * Issue only occurs in iOS5 (beta 4 or 5). iOS 4 works fine. > > Before you see the very simple, boilerplate code for MyWebView, the problem > is entirely resolved by omitting the following line: > > [Export("initWithCoder:")] > > Is there something strange with the ctor for initWithCoder: being exported > for UIWebView? Is this is known issue? > > > > This is the child class that is causing the crash… > > [MonoTouch.Foundation.Register("MyWebView")] > public class MyWebView : UIWebView > { > public MyWebView (IntPtr handle) : base(handle) > { > Initialize (); > } > > public MyWebView(RectangleF frame) : base(frame) > { > Initialize(); > } > > [Export("initWithCoder:")] > public MyWebView (NSCoder coder) : base(coder) > { > Console.WriteLine("asd"); > Initialize (); > } > > void Initialize () > { > } > #endregion > } > > And this is the stack trace… > > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: Stacktrace: > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.Foundation.NSObject.InitializeObject (bool) > <0x00093> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.Foundation.NSObject..ctor > (MonoTouch.Foundation.NSObjectFlag) <0x0002b> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIResponder..ctor > (MonoTouch.Foundation.NSObjectFlag) <0x00023> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIView..ctor > (MonoTouch.Foundation.NSObjectFlag) <0x00023> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIWebView..ctor > (MonoTouch.Foundation.NSCoder) <0x00033> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at CrashTest.MyWebView..ctor (MonoTouch.Foundation.NSCoder) <IL > 0x00002, 0x00087> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at (wrapper runtime-invoke) object.runtime_invoke_dynamic > (intptr,intptr,intptr,intptr) <0xffffffff> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIViewController.get_View () <0x00097> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at CrashTest.AppDelegate.FinishedLaunching > (MonoTouch.UIKit.UIApplication,MonoTouch.Foundation.NSDictionary) [0x00006] > in /Users/stevem/Projects/CrashTest/CrashTest/Main.cs:28 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at (wrapper runtime-invoke) object.runtime_invoke_dynamic > (intptr,intptr,intptr,intptr) <0xffffffff> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIApplication.Main (string[],string,string) > <0x000cf> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at MonoTouch.UIKit.UIApplication.Main (string[]) <0x00023> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at CrashTest.Application.Main (string[]) [0x00000] in > /Users/stevem/Projects/CrashTest/CrashTest/Main.cs:14 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: at (wrapper runtime-invoke) object.runtime_invoke_dynamic > (intptr,intptr,intptr,intptr) <0xffffffff> > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: Native stacktrace: > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 0 CrashTest 0x002022c0 > mono_handle_native_sigsegv + 412 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 1 CrashTest 0x001e81a0 > mono_sigsegv_signal_handler + 360 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 2 libsystem_c.dylib 0x3713a439 _sigtramp + 48 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 3 CrashTest 0x0035e8a4 > monotouch_retain_trampoline + 48 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 4 CrashTest 0x0001fe34 > wrapper_managed_to_native_MonoTouch_ObjCRuntime_Messaging_void_objc_msgSend_intptr_intptr > + 68 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 5 CrashTest 0x00006954 > MonoTouch_Foundation_NSObject__ctor_MonoTouch_Foundation_NSObjectFlag + 44 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 6 CrashTest 0x0000cb04 > MonoTouch_UIKit_UIResponder__ctor_MonoTouch_Foundation_NSObjectFlag + 36 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 7 CrashTest 0x0000cbe0 > MonoTouch_UIKit_UIView__ctor_MonoTouch_Foundation_NSObjectFlag + 36 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 8 CrashTest 0x0000d97c > MonoTouch_UIKit_UIWebView__ctor_MonoTouch_Foundation_NSCoder + 52 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 9 CrashTest 0x00003b68 > CrashTest_MyWebView__ctor_MonoTouch_Foundation_NSCoder + 136 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 10 CrashTest 0x00160948 > wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr > + 200 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 11 CrashTest 0x001e7e08 > mono_jit_runtime_invoke + 2800 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 12 CrashTest 0x002d6adc > mono_runtime_invoke + 140 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 13 CrashTest 0x0035d94c > monotouch_ctor_trampoline + 2948 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 14 UIKit 0x321572bf > -[UIClassSwapper initWithCoder:] + 218 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 15 Foundation 0x303a162b > _decodeObjectBinary + 2698 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 16 Foundation 0x303a53a7 > -[NSKeyedUnarchiver _decodeArrayOfObjectsForKey:] + 1102 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 17 Foundation 0x303a4e2b > -[NSArray(NSArray) initWithCoder:] + 502 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 18 Foundation 0x303a162b > _decodeObjectBinary + 2698 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 19 Foundation 0x303a0a71 _decodeObject + > 204 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 20 UIKit 0x3207f9f1 -[UIView > initWithCoder:] + 560 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 21 Foundation 0x303a162b > _decodeObjectBinary + 2698 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 22 Foundation 0x303a0a71 _decodeObject + > 204 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 23 UIKit 0x32156ee5 > -[UIRuntimeConnection initWithCoder:] + 152 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 24 Foundation 0x303a162b > _decodeObjectBinary + 2698 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 25 Foundation 0x303a53a7 > -[NSKeyedUnarchiver _decodeArrayOfObjectsForKey:] + 1102 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 26 Foundation 0x303a4e2b > -[NSArray(NSArray) initWithCoder:] + 502 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 27 Foundation 0x303a162b > _decodeObjectBinary + 2698 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 28 Foundation 0x303a0a71 _decodeObject + > 204 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 29 UIKit 0x32156671 -[UINib > instantiateWithOwner:options:] + 664 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 30 UIKit 0x320b2d8b > -[UIViewController _loadViewFromNibNamed:bundle:] + 246 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 31 UIKit 0x32066b7d > -[UIViewController loadView] + 88 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 32 UIKit 0x31f4a0b7 > -[UIViewController view] + 50 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 33 CrashTest 0x00020188 > wrapper_managed_to_native_MonoTouch_ObjCRuntime_Messaging_IntPtr_objc_msgSendSuper_intptr_intptr > + 68 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 34 CrashTest 0x00002c68 > CrashTest_AppDelegate_FinishedLaunching_MonoTouch_UIKit_UIApplication_MonoTouch_Foundation_NSDictionary > + 236 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 35 CrashTest 0x00160948 > wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr > + 200 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 36 CrashTest 0x001e7e08 > mono_jit_runtime_invoke + 2800 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 37 CrashTest 0x002d6adc > mono_runtime_invoke + 140 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 38 CrashTest 0x0035c6cc > monotouch_trampoline + 2840 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 39 UIKit 0x31f25f23 -[UIApplication > _callInitializationDelegatesForURL:payload:suspended:] + 1186 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 40 UIKit 0x31f150ed -[UIApplication > _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 396 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 41 UIKit 0x31f14039 -[UIApplication > handleEvent:withNewEvent:] + 1016 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 42 UIKit 0x31f13ad7 -[UIApplication > sendEvent:] + 54 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 43 UIKit 0x31f135f1 > _UIApplicationHandleEvent + 5808 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 44 GraphicsServices 0x351e1efb > PurpleEventCallback + 882 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 45 CoreFoundation 0x3252f9cb > __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 38 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 46 CoreFoundation 0x3252f96d > __CFRunLoopDoSource1 + 140 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 47 CoreFoundation 0x3252e593 __CFRunLoopRun > + 1370 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 48 CoreFoundation 0x324d003d > CFRunLoopRunSpecific + 300 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 49 CoreFoundation 0x324cff05 > CFRunLoopRunInMode + 104 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 50 UIKit 0x31f1175f -[UIApplication > _run] + 550 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 51 UIKit 0x31f0e991 > UIApplicationMain + 1080 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 52 CrashTest 0x00021384 > wrapper_managed_to_native_MonoTouch_UIKit_UIApplication_UIApplicationMain_int_string___intptr_intptr > + 240 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 53 CrashTest 0x0000c7ac > MonoTouch_UIKit_UIApplication_Main_string__ + 36 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 54 CrashTest 0x00002e7c > CrashTest_Application_Main_string__ + 128 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 55 CrashTest 0x00160948 > wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr > + 200 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 56 CrashTest 0x001e7e08 > mono_jit_runtime_invoke + 2800 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 57 CrashTest 0x002d6adc > mono_runtime_invoke + 140 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 58 CrashTest 0x002d9a8c > mono_runtime_exec_main + 784 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 59 CrashTest 0x002d8af0 > mono_runtime_run_main + 1048 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 60 CrashTest 0x001ef5b8 mono_jit_exec + > 216 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 61 CrashTest 0x001e23e0 main + 3448 > Aug 12 13:44:09 unknown UIKitApplication:com.lw.crashtest[0x2585][515] > <Notice>: 62 CrashTest 0x000027f0 start + 52 > > > > ******************************************************************************* > To comply with IRS regulations, we advise you that any discussion of > Federal tax issues in this > e-mail was not intended or written to be used, and cannot be used by you, > (i) to avoid any penalties > imposed under the Internal Revenue Code or (ii) to promote, market or > recommend to another party any > transaction or matter addressed herein. > > For more information please go to http://www.lw.com/docs/irs.pdf > > ******************************************************************************* > > This email may contain material that is confidential, privileged and/or > attorney work product for > the sole use of the intended recipient. Any review, reliance or > distribution by others or forwarding > without express permission is strictly prohibited. If you are not the > intended recipient, please > contact the sender and delete all copies. > > Latham & Watkins LLP > > _______________________________________________ > MonoTouch mailing list > [email protected] > http://lists.ximian.com/mailman/listinfo/monotouch >
_______________________________________________ MonoTouch mailing list [email protected] http://lists.ximian.com/mailman/listinfo/monotouch
