在Xamarin.forms

中检测到目标依赖关系中的循环在构建使用Xamarin.forms构建的Android项目时出现此错误。在Xamarin.forms

这发生在我安装Xam.Plugin.Media包后，我无法恢复。

任何人都可以帮我吗？先谢谢你。

Error: Error building target _XamarinAndroidBuildAarProguardConfigs: Microsoft.Build.BuildEngine.InvalidProjectFileException: Cycle in target dependencies detected at Microsoft.Build.BuildEngine.Target.BuildOtherTargets (System.Collections.Generic.IEnumerable 1[T] targetNames, System.Action 1[T] missing_target, System.Boolean& executeOnErrors) [0x00065] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs:263
at Microsoft.Build.BuildEngine.Target.BuildDependencies (System.Boolean& executeOnErrors) [0x0003f] in 
/private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs:211
at Microsoft.Build.BuildEngine.Target.BuildActual (System.String built_targets_key, System.Boolean& executeOnErrors) [0x00091] in 
/private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs:177 (Transportesbr.Droid)

以下是Android项目中的包装信息。

<?xml version="1.0" encoding="utf-8"?> 
<packages> 
    <package id="CarouselView.FormsPlugin" version="4.4.2" targetFramework="monoandroid71" /> 
    <package id="Plugin.CurrentActivity" version="1.0.1" targetFramework="monoandroid71" /> 
    <package id="Plugin.Permissions" version="2.0.1" targetFramework="monoandroid71" /> 
    <package id="Xam.Plugin.Media" version="3.0.1" targetFramework="monoandroid71" /> 
    <package id="Xam.Plugins.Forms.ImageCircle" version="1.8.1" targetFramework="monoandroid71" /> 
    <package id="Xam.Plugins.Forms.RoundedBoxView" version="1.0.0.7" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Animated.Vector.Drawable" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Annotations" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Compat" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Core.UI" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Core.Utils" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Design" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Fragment" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Media.Compat" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Transition" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v4" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v7.AppCompat" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v7.CardView" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v7.MediaRouter" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v7.Palette" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.v7.RecyclerView" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Android.Support.Vector.Drawable" version="25.3.1" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Build.Download" version="0.4.5" targetFramework="monoandroid71" /> 
    <package id="Xamarin.Forms" version="2.3.4.247" targetFramework="monoandroid71" /> 
    <package id="XFControls" version="1.0.0.6" targetFramework="monoandroid71" developmentDependency="true" /> 
</packages>

来源

2017-07-26 Eiji Kimura

可否请你尝试降级'Xamarin.Build。下载'包到版本0.4.3？ –