2017-08-29 121 views
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我尝试建立在Visual Studio 2017年的老Xamarin项目,但失败,出现以下错误:Xamarin IOS建立自己的错误在Visual Studio 2017年

Severity Code Description Project File Line Suppression State 
Error  Failed to resolve assembly: 'Xamarin.iOS, Version=0.0.0.0,  Culture=neutral, PublicKeyToken=84e04ff9cfb79065' 
    at Mono.Cecil.BaseAssemblyResolver.Resolve(AssemblyNameReference name, ReaderParameters parameters) 
    at Mono.Cecil.DefaultAssemblyResolver.Resolve(AssemblyNameReference name) 
    at Mono.Cecil.MetadataResolver.Resolve(TypeReference type) 
    at Mono.Cecil.TypeReference.Resolve() 
    at Mono.Cecil.Mixin.CheckedResolve(TypeReference self) 
    at Mono.Cecil.SignatureReader.ReadCustomAttributeEnum(TypeReference enum_type) 
    at Mono.Cecil.SignatureReader.ReadCustomAttributeElementValue(TypeReference type) 
    at Mono.Cecil.SignatureReader.ReadCustomAttributeElement(TypeReference type) 
    at Mono.Cecil.SignatureReader.ReadCustomAttributeFixedArgument(TypeReference type) 
    at Mono.Cecil.SignatureReader.ReadCustomAttributeConstructorArguments(CustomAttribute attribute, Collection`1 parameters) 
    at Mono.Cecil.MetadataReader.ReadCustomAttributeSignature(CustomAttribute attribute) 
    at Mono.Cecil.CustomAttribute.<Resolve>b__2(CustomAttribute attribute, MetadataReader reader) 
    at Mono.Cecil.ModuleDefinition.Read[TItem,TRet](TItem item, Func`3 read) 
    at Mono.Cecil.CustomAttribute.Resolve() 
    at Mono.Cecil.CustomAttribute.get_ConstructorArguments() 
    at Mono.Cecil.ImmediateModuleReader.ReadCustomAttributes(ICustomAttributeProvider provider) 
    at Mono.Cecil.ImmediateModuleReader.ReadMethods(TypeDefinition type) 
    at Mono.Cecil.ImmediateModuleReader.ReadType(TypeDefinition type) 
    at Mono.Cecil.ImmediateModuleReader.ReadTypes(Collection`1 types) 
    at Mono.Cecil.ImmediateModuleReader.ReadModule(ModuleDefinition module) 
    at Mono.Cecil.ModuleWriter.WriteModuleTo(ModuleDefinition module, Stream stream, WriterParameters parameters) 
    at Mono.Cecil.ModuleDefinition.Write(Stream stream, WriterParameters parameters) 
    at Mono.Cecil.ModuleDefinition.Write(String fileName, WriterParameters parameters) 
    at Xamarin.Build.Download.XamarinBuildiOSResourceRestore.MergeResources(IAssemblyResolver resolver, String originalAsmPath, String mergedAsmPath, List`1 resourceItems)    

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为Xamarin.IOS参考看起来OK在这个项目中,并指向:

C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\Xamarin.iOS\v1.0\Xamarin.iOS.dll 

而且该项目正在团队成员计算机上工作,但不是我的。所以我想这与版本控制有关。

enter image description here

有些提示?

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计算机上可能缺少任何nuget –

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添加了显示引用的图像。 Xamarin.iOS没有从nuget包链接。 – Robert

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当你建立你的项目时应该有警告。这就是这个错误的原因,你是否也可以显示警告列表 –

回答

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我有这个问题,发现我的旧Xamarin.iOS项目引用了0.4.2版本的Xamarin.Build.Download nuget包。 更新到版本0.4.7(当前在这篇文章中),然后重建整个解决方案解决了我的问题。

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