![xamarin visual studio mscorlib conflicts xamarin visual studio mscorlib conflicts](https://us.v-cdn.net/5019960/uploads/editor/9o/wed0ks5eacyo.png)
If you are lucky, maybe a stack trace gives you the hint to know what portion of code is missing, and create new lines of code to add explicit references. In Plain Concepts we often use Preserve attribute technique thanks to MvvmCross, that adds a LinkerPleaseInclude.cs file in platform projects (like the one created from this file).
#Xamarin visual studio mscorlib conflicts simulator
At this point, you have two options: disable linking for devices (not recommended) or establishing the same linking level for simulator (or just work with the device) and tame the beast ? using one of the techniques described in Xamarin online documentation.
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By default, for performance, when you create a new Xamarin.iOS project, it has different linker configurations for simulator and device platforms (don’t link vs SDK linking, respectively). This is the option that will leave your app as small as possible.īut, why was our application presenting different behaviors depending on whether we are dealing with simulator or device? Well, far beyond the obvious fact, simulator is just a simulator, there was a further reason. Link all assemblies: where any assembly could be reduced.Link SDK assemblies only: where only platform SDK related assemblies will be optimized.Don’t link: where no assembly will be processed.These are current available options for linker behavior: Why do this? To reduce and optimize the size of packaged application. It means that any unreferenced assembly, class or even method or property is likely to be removed before application is packaged. Linker acts like a “remove all unreferenced code” tool. System.TypeInitializationException: An exception was thrown by the type initializer for .TypeSystem -> System.ArgumentNullException: Argument cannot be null.Īt `2.Add ( key, System.String value) in /Users/builder/data/lanes/1503/e6ebd18b/source/mono/external/referencesource/mscorlib/system/collections/generic/dictionary.cs:185 Sample System.TypeInitializationException: An exception was thrown by the type initializer for .TypeSystem -> System.ArgumentNullException: Argument cannot be null.Īt (ExceptionArgument argument) in /Users/builder/data/lanes/1503/e6ebd18b/source/mono/external/referencesource/mscorlib/system/throwhelper.cs:82Īt `2.Insert ( key, System.String value, Boolean add) in /Users/builder/data/lanes/1503/e6ebd18b/source/mono/external/referencesource/mscorlib/system/collections/generic/dictionary.cs:315Īt `2.Add ( key, System.String value) in /Users/builder/data/lanes/1503/e6ebd18b/source/mono/external/referencesource/mscorlib/systĪt .tor () in :0Īt. (System.Type type) in :0Īt .DataServiceContext.ValidateExecuteParameters (System.Uri& requestUri, System.String httpMethod, System.Nullable`1& singleResult, `1& bodyOperationParameters, `1& uriOperationParameters, .OperationParameter operationParameters) in :0Īt .DataServiceContext.InnerBeginExecute (System.Uri requestUri, System.AsyncCallback callback, System.Object state, System.String httpMethod, System.String method, Nullable`1 singleResult, .OperationParameter operationParameters) in :0Īt .DataServiceContext.BeginExecute (System.Uri requestUri, System.AsyncCallback callback, System.Object state, System.String httpMethod, Boolean singleResult, .OperationParameter operationParameters) in :0Īt + d_bd`1.MoveNext () in e:DevelSampleSampleSampleSampleServicesWebService.cs:390 If you have a scenario like described above, and get some reflection exceptions, maybe the origin is mtouch linker.
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![xamarin visual studio mscorlib conflicts xamarin visual studio mscorlib conflicts](https://www.mongodb.com/community/forums/uploads/default/optimized/3X/c/c/cc64cef1cc988a616e2c44f778d7b2b220d4a7a9_2_690x415.png)
That component calls some reflection methods and this is why it was failing, just take a look to the next image. Thanks to output log while debugging over device, we found that there were some errors – with their stack trace information – from assembly. It was a simple app consuming data from a web service and being displayed via Master Detail pages with standard views so, what could be wrong? While everything worked like a charm over iOS simulator, something started to crash when running the app over a physical device. We experienced some problems in one of our latest projects with Xamarin.iOS, the kind of problems that are normally accompanied by a big headache.