Newtonsoft.Json 在安卓上报错

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System.PlatformNotSupportedException: Operation is not supported on this platform.at System.Reflection.Emit.DynamicMethod…ctor (System.String name, System.Type returnType, System.Type]] parameterTypes, System.Type owner,System.Boolean skipVisibility) [Ox00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Utilities.DynamicReflectionDelegateFactory.CreateDynamicMethod (System.String name, System.Type returnType, System.Type]lparameterTypes, System.Type owner) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Utilities.DynamicReflectionDelegateFactory.CreateDefaultConstructor[T] (System.Type type) [Ox00000] in<0000000000000000000>:0
at Newtonsoft.Json.Serialization.DefaultContractResolver.InitializeContract (Newtonsoft.Json.Serialization.JsonContract contract) [Oxo0000] in
007:0
at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateObjectContract (System.Type objectType) [Ox00000] in
at Newtonsoft.Json.Utilities.ThreadSafeStore 2[TKey,TValue].AddValue (TKey key) [Ox00000] in <0000000000000
000>:0
at Newtonsoft.Json.Utilities.ThreadSafeStore 2[TKey,TValue].Get (TKey key) [Ox00000] in <00000000
0>:0
at Newtonsoft.Json.Serialization.JsonSerializerinternalWriter.Serialize (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.TypelobjectType) [0x00000] in <0000000000000>:0at Newtonsoft.Json.JsonSerializer.SerializeInternal (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [Ox00000] in
n:0
at Newtonsoft.Json.JsonConvert.SerializeObjectInternal (System.Object value, System.Type type, Newtonsoft.Json.JsonSerializer jsonSerializer)[Ox00000] in <0000000000>:

unity上使用 Newtonsoft.Json 序列化不报错，打安卓包运行就报这个错

解决办法：

设置中修改 Api Compatibility Level

使用官方的 json 库，不要用 Newtonsoft.Json.dll，通过 Package Manager 安装 com.unity.nuget.newtonsoft-json