MvvmCross上的EXC_BAD_ACCESS（SIGABRT）

Question

MvvmCross_Core_MvvmCross_Core_ViewModels_MvxViewModelLoader_FindViewModelLocator_导致应用崩溃。 查看了MVVMCross源代码，无法确定是什么导致了此错误以及如何处理该错误。 在这里感谢任何帮助。 以下是使用MMVMCross 4.0的崩溃报告

<package id="MvvmCross.Core" version="4.0.0" targetFramework="xamarinios10" />



Incident Identifier: 73492D3A-04AC-4CB2-A30F-11C03932B333
CrashReporter Key:   89c9f505981a4f47ba51b95e37591830d9aeef45
Hardware Model:      iPhone6,1
Code Type:           ARM-64 (Native)
Parent Process:      launchd [1]

Date/Time:           2016-04-12 09:40:49.49 -0400
Launch Time:         2016-04-12 09:40:45.45 -0400
OS Version:          iOS 9.3.1 (13E238)
Report Version:      105

Exception Type:  EXC_BAD_ACCESS (SIGABRT)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Triggered by Thread:  0

Filtered syslog:
None found

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   libsystem_kernel.dylib          0x0000000182c9c11c __pthread_kill + 8
1   libsystem_pthread.dylib         0x0000000182d68ef8 pthread_kill + 112
2   libsystem_c.dylib               0x0000000182c0ddac abort + 140
3   MobilityiOS                         0x0000000101630678 print_exception(MonoObject*, bool, NSMutableString*) (runtime.m:782)
4   MobilityiOS                         0x0000000101538220 mono_invoke_unhandled_exception_hook (mini-exceptions.c:2586)
5   MobilityiOS                         0x0000000101537694 mono_handle_exception_internal (mini-exceptions.c:1573)
6   MobilityiOS                         0x0000000101536604 mono_handle_exception (mini-exceptions.c:1799)
7   MobilityiOS                         0x000000010152f8bc mono_arm_throw_exception (exceptions-arm64.c:383)
8   MobilityiOS                         0x000000010051c278 throw_exception + 168
9   MobilityiOS                         0x0000000100f07e4c MvvmCross_Core_MvvmCross_Core_ViewModels_MvxViewModelLoader_FindViewModelLocator_MvvmCross_Core_ViewModels_MvxViewModelRequest + 0
10  MobilityiOS                         0x0000000100f07d00 MvvmCross_Core_MvvmCross_Core_ViewModels_MvxViewModelLoader_LoadViewModel_MvvmCross_Core_ViewModels_MvxViewModelRequest_MvvmCross_Core_ViewModels_IMvxBundle + 108
11  MobilityiOS                         0x00000001010b404c MvvmCross_iOS_MvvmCross_iOS_Views_MvxViewControllerExtensionMethods_LoadViewModel_MvvmCross_iOS_Views_IMvxIosView + 276
12  MobilityiOS                         0x0000000100f02474 MvvmCross_Core_MvvmCross_Core_Views_MvxViewExtensionMethods_OnViewCreate_MvvmCross_Core_Views_IMvxView_System_Func_1_MvvmCross_Core_ViewModels_IMvxViewModel + 96
13  MobilityiOS                         0x00000001010b3f28 MvvmCross_iOS_MvvmCross_iOS_Views_MvxViewControllerExtensionMethods_OnViewCreate_MvvmCross_iOS_Views_IMvxIosView + 100
14  MobilityiOS                         0x00000001010b2ff4 MvvmCross_iOS_MvvmCross_iOS_Views_MvxViewControllerAdapter_HandleViewDidLoadCalled_object_System_EventArgs + 136
15  MobilityiOS                         0x000000010042d0d4 mscorlib_wrapper_delegate_invoke__Module_invoke_void_object_EventArgs_object_System_EventArgs + 120
16  MobilityiOS                         0x0000000100edd43c MvvmCross_Platform_MvvmCross_Platform_Core_MvxDelegateExtensionMethods_Raise_System_EventHandler_object + 36
17  MobilityiOS                         0x0000000100f9bba4 MvvmCross_Platform_iOS_MvvmCross_Platform_iOS_Views_MvxEventSourceViewController_ViewDidLoad + 32
18  MobilityiOS                         0x000000010018b7a4 MobilityiOS_Mobility_iOS_Views_BaseMvxViewController_ViewDidLoad + 972
19  MobilityiOS                         0x000000010018c758 MobilityiOS_Mobility_iOS_Views_Main_HomeView_ViewDidLoad + 232
20  MobilityiOS                         0x00000001004ff784 wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 244
21  MobilityiOS                         0x00000001015430dc mono_jit_runtime_invoke (mini-runtime.c:2335)
22  MobilityiOS                         0x00000001015aa59c mono_runtime_invoke (object.c:2783)
23  MobilityiOS                         0x0000000101262d64 native_to_managed_trampoline_3(objc_object*, objc_selector*, _MonoMethod**, char const*, char const*) (registrar.m:118)
24  MobilityiOS                         0x0000000101266400 -[HomeView viewDidLoad] (registrar.m:3608)
25  UIKit                           0x000000018824cb40 -[UIViewController loadViewIfRequired] + 996
26  UIKit                           0x000000018830d118 -[UINavigationController _layoutViewController:] + 72
27  UIKit                           0x000000018830cff0 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 416
28  UIKit                           0x000000018830c238 -[UINavigationController _startTransition:fromViewController:toViewController:] + 144
29  UIKit                           0x000000018830bddc -[UINavigationController _startDeferredTransitionIfNeeded:] + 868
30  UIKit                           0x000000018830ba04 -[UINavigationController __viewWillLayoutSubviews] + 60
31  UIKit                           0x000000018830b96c -[UILayoutContainerView layoutSubviews] + 208
32  UIKit                           0x00000001882480e4 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 656
33  QuartzCore                      0x0000000185beea28 -[CALayer layoutSublayers] + 148
34  QuartzCore                      0x0000000185be9634 CA::Layer::layout_if_needed(CA::Transaction*) + 292
35  QuartzCore                      0x0000000185be94f4 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 32
36  QuartzCore                      0x0000000185be8b24 CA::Context::commit_transaction(CA::Transaction*) + 252
37  QuartzCore                      0x0000000185be886c CA::Transaction::commit() + 512
38  QuartzCore                      0x0000000185be1dd8 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 80
39  CoreFoundation                  0x00000001830b87b0 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
40  CoreFoundation                  0x00000001830b6554 __CFRunLoopDoObservers + 372
41  CoreFoundation                  0x0000000182fe0d30 CFRunLoopRunSpecific + 416
42  UIKit                           0x00000001882bb834 -[UIApplication _run] + 460
43  UIKit                           0x00000001882b5f70 UIApplicationMain + 204
44  MobilityiOS                         0x00000001002897a4 wrapper_managed_to_native_UIKit_UIApplication_UIApplicationMain_int_string___intptr_intptr + 324
45  MobilityiOS                         0x000000010020ed74 Xamarin_iOS_UIKit_UIApplication_Main_string___string_string + 156
46  MobilityiOS                         0x00000001001830a0 MobilityiOS_Mobility_iOS_Application_Main_string__ + 24
47  MobilityiOS                         0x00000001004ff784 wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 244
48  MobilityiOS                         0x00000001015430dc mono_jit_runtime_invoke (mini-runtime.c:2335)
49  MobilityiOS                         0x00000001015aa59c mono_runtime_invoke (object.c:2783)
50  MobilityiOS                         0x00000001015aec90 mono_runtime_exec_main (object.c:4038)
51  MobilityiOS                         0x00000001016424ac xamarin_main (monotouch-main.m:404)
52  MobilityiOS                         0x000000010128e78c main (main.arm64.m:130)
53  libdyld.dylib                   0x0000000182b7e8b8 start + 4

Answer 1

您应该使用相同的视图模型具有2个视图。

默认情况下，mvvmcross禁止此操作，这会使视图/视图模型定位器崩溃。