Various il2cpp and mscorlib errors about unityionicintegration HOT 10 OPEN

Well, thanks a lot anyway. I will update when I solve this :)

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I believe I was compiling with Net 4 for all of this, but I still had to add the NET_4_0 preprocessor directive manually in Xcode. No idea why :) I got rid of my crashing using the advice in this thread: https://forum.unity.com/threads/il2cpp-anyone-else-seeing-metadatacache-initialize-crashes-sometimes-when-the-game-starts.383145/page-2 Again, unsure if related to this issue or if I was just getting multiple issues at once here.

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Does the same issue occur on a fresh new Unity project's build? Are you using some tool that obfuscates your code?

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Yes same issue with a new project. I just put the IonicComms.cs in and uIonicComms.mm in the plugin/ios folder.
No obfuscating code. Thanks for the quick answer.

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I can't think of any reasons for this behavior, sorry :/

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Any update on this? getting similar mscorlib compiler problems: [...]Classes/Native/Bulk_mscorlib_15.cpp:18759:114: No member named 'EncodingHelper' in namespace 'il2cpp::icalls::mscorlib::System::Text' and a bunch more too.

Building with Unity 2018.3.5f1

I will also update if I find anything new.

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Curiously, the class members it is looking for in my error message there do exist inside Unity/Libraries/libil2cpp/include/icalls/mscorlib/... However they're wrapped up in #if NET_4_0, so they're not found.

Still poking around trying to get it to compile (I'm out of my depth here), but the members are clearly found if NET_4_0 is defined as true, and the compiler error goes away.

Not sure where the root cause is yet though, surely NET_4_0 should be defined somewhere?

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I added NET_4_0 as a preprocessor Macro under target build settings. I've gotten it to compile now (I think I had some other problems unrelated (?) to this one. Unfortunately get a crash when trying to launch unity now, but honestly not surprised given how much I've hacked at this. Will report back if I learn anything.

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You may try changing Scripting Runtime Version and/or Api Compatibility Level in Player Settings.

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@lfwells - you posted this so long time ago and the same is happening to me now. I solved everything except the crash. Not sure which was the advice you followed (there are a couple, both did not work for me) and how you finally solved.

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