Unity 2022.2.1f1 IL2CPP Compile Error - System.Text.Json no viable overloaded '=' for ValueTask

Version

6.2.5

Details

getting an IL2CPP compile time exception related to System.Text.Json 6.0.6

Cmdline: "K:/Android/Sdk/ndk/21.4.7075529/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++" -march=armv7-a -mfloat-abi=softfp -mfpu=neon-fp16 -marm -D__ARM_ARCH_7__ -D__ARM_ARCH_7A__ -D__ANDROID_API__=22 -DANDROID -DHAVE_INTTYPES_H -no-canonical-prefixes -funwind-tables -fstack-protector -std=c++11 -Wswitch -Wno-trigraphs -Wno-tautological-compare -Wno-invalid-offsetof -Wno-implicitly-unsigned-literal -Wno-integer-overflow -Wno-shift-negative-value -Wno-unknown-attributes -Wno-implicit-function-declaration -Wno-null-conversion -Wno-missing-declarations -Wno-unused-value -Wno-pragma-once-outside-header -fvisibility=hidden -fexceptions -fno-rtti -g -O0 -fPIC -fno-strict-overflow -ffunction-sections -fdata-sections -fmessage-length=0 -pipe -D_GLIBCXX_USE_CXX11_ABI=0 -DBASELIB_INLINE_NAMESPACE=il2cpp_baselib -DIL2CPP_MONO_DEBUGGER=1 -DRUNTIME_IL2CPP -DIL2CPP_ENABLE_WRITE_BARRIERS=1 -DIL2CPP_INCREMENTAL_TIME_SLICE=3 -DIL2CPP_DEBUG=1 -DIL2CPP_DEBUGGER_PORT=56000 -DHAVE_BDWGC_GC -D_DEBUG -I"." -I"K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/Source/il2cppOutput" -I"K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/libil2cpp/pch" -I"K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/libil2cpp" -I"K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/external/baselib/Include" -I"K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/external/baselib/Platforms/Android/Include" -o "q8q9/7ukczhykxhhu.o" -fcolor-diagnostics -fdiagnostics-absolute-paths -target armv7a-linux-androideabi22 -fdiagnostics-format=msvc -c -x c++ "K:/Code/Nreal-Unity-Demos/Android/unityLibrary/src/main/Il2CppOutputProject/Source/il2cppOutput/System.Text.Json3.cpp"
ExitCode: 1
Stdout: 
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(11890,11): error: no viable overloaded '='
                                                V_3 = L_12;
                                                ~~~ ^ ~~~~
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(2765,8): note: candidate function (the implicit copy assignment operator) not viable: no known conversion from 'ValueTask_t10B4B5DDF5C582607D0E634FA912F8CB94FCD49F' to 'const ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711' for 1st argument
struct ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711 
       ^
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(2765,8): note: candidate function (the implicit move assignment operator) not viable: no known conversion from 'ValueTask_t10B4B5DDF5C582607D0E634FA912F8CB94FCD49F' to 'ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711' for 1st argument
struct ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711 
       ^
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(12417,9): error: no viable overloaded '='
                                V_4 = L_8;
                                ~~~ ^ ~~~
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(2765,8): note: candidate function (the implicit copy assignment operator) not viable: no known conversion from 'ValueTask_t10B4B5DDF5C582607D0E634FA912F8CB94FCD49F' to 'const ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711' for 1st argument
struct ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711 
       ^
K:\Code\Nreal-Unity-Demos\Android\unityLibrary\src\main\Il2CppOutputProject\Source\il2cppOutput\System.Text.Json3.cpp(2765,8): note: candidate function (the implicit move assignment operator) not viable: no known conversion from 'ValueTask_t10B4B5DDF5C582607D0E634FA912F8CB94FCD49F' to 'ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711' for 1st argument
struct ValueTask_tD1A250CC105307FE5FB0D9D930345BB719E6B711 
       ^
2 errors generated.

Steps to reproduce

1. Clone this sample-project: https://github.com/ryanhlewis/unity-youtube-explode/tree/sample-project (make sure to check out the sample-project branch)
2. open the project in Unity 2022.2.1f1 (targeting android)
3. attempt to build the project for android
4. See compiler error

[adenek]

YoutubeExplode do work well in unity for android but you need to do a bit of workaround.

1. Install nuget for unity (https://github.com/GlitchEnzo/NuGetForUnity)
2. Install youtube explode and the dependency via nuget
3. Remove dependency that already exist in unity (will have a report of that in the console)
4. Close unity and add this dependencie to your Packages/manifest.json “com.system-community.systemruntimecompilerservicesunsafe”: “https://github.com/system-community/SystemRuntimeCompilerServicesUnsafe.git?path=Assets/_Root#6.0.0”
5. Move all YoutubeExplode and dependencies dll to a Plugins folder
6. Add a link.xml document to avoid striping of the dll for example mine look like that:

<linker> <assembly fullname="YoutubeExplode" preserve="all"/> <assembly fullname="AngleSharp" preserve="all"/> <assembly fullname="Microsoft.Bcl.AsyncInterfaces" preserve="all"/> <assembly fullname="System.Text.Encodings.Web" preserve="all"/> <assembly fullname="System.Text.Json" preserve="all"/> </linker> 8. Make sure you using Unity 2022+ 7. Restart unity and compile

After that all work 😃 Thx again for this amazing library

[jakedowns]

That sounds like a Unity bug to me. I don’t have any plans to switch to Newtonsoft.Json. If libvideo works for you, why not use that instead?

yeah i’m just gonna use it for now.

thanks for a great library / the feedback

BTW, your package appears to have easier streaming support, at least when paired with libvlc/libvlcsharp/vlc-for-unity

libvideo seems like a download-only library