Xamarin从2.5更新到3.5后，Xamarin.Forms.Platform.Android不存在 [英] Xamarin.Forms.Platform.Android does not exist after Xamarin update from 2.5 to 3.5

问题描述

我已经将我的项目Xamarin.Forms NuGet软件包从2.5更新到了3.5.更新之后，我的Android项目出现错误:

I have updated my projects Xamarin.Forms NuGet package from version 2.5 to 3.5. After this update I got an error in my Android project saying:

名称空间中不存在类型或名称空间名称'Android''Xamarin.Forms.Platform'(您是否缺少程序集引用?)

The type or namespace name 'Android' does not exist in the namespace 'Xamarin.Forms.Platform' (are you missing an assembly reference?)

到目前为止我已经尝试过的:

What I've tried so far:

• 删除bin，obj文件夹
• 关闭并重新打开解决方案
• 清洁和重建解决方案
• 重新安装Xamarin Forms NuGet

推荐答案

@Jaymin是正确的.您必须确保已安装的Xamarin.Android的版本应与您添加到当前项目的版本相同.

@Jaymin is right. You must make sure that the version of the installed Xamarin.Android should be as same as the version that you have added to the current project.

例如，如果您安装了Xamarin.Android v27.0.2.1，则不能仅将项目升级到v28.0.0.1.您应该先升级随Visual Studio一起安装的组件(Xamarin.Android).

For example, if you have installed v27.0.2.1 of Xamarin.Android, you can not upgrade your project to v28.0.0.1 only. You should upgrade the component(Xamarin.Android) which is installed with Visual Studio first.

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