Xamarin表单:在运行的应用程序中未正确签名包(NO_CERTIFICATES)

Question

我正在开发xamarin表单应用程序,我在Android模拟器上运行应用程序时遇到以下错误

>The package was not properly signed (NO_CERTIFICATES).
2>   at Mono.AndroidTools.Internal.AdbOutputParsing.CheckInstallSuccess(String output, String packageName)
2>   at Mono.AndroidTools.AndroidDevice.<>c__DisplayClass94_0.<InstallPackage>b__0(Task`1 t)
2>   at System.Threading.Tasks.ContinuationTaskFromResultTask`1.InnerInvoke()
2>   at System.Threading.Tasks.Task.Execute()
2>Done building project "Modern.FM.Mobile.Android.csproj".
2>Build succeeded.
2>The package was not properly signed (NO_CERTIFICATES).
2>   at Mono.AndroidTools.Internal.AdbOutputParsing.CheckInstallSuccess(String output, String packageName)
2>   at Mono.AndroidTools.AndroidDevice.<>c__DisplayClass94_0.<InstallPackage>b__0(Task`1 t)
2>   at System.Threading.Tasks.ContinuationTaskFromResultTask`1.InnerInvoke()
2>   at System.Threading.Tasks.Task.Execute()

Answer 1

我只是从我的Android项目中删除Folder/bin中的所有文件并重新编译.

Answer 2

安装 Visual Studio 2017 更新后出现此问题。运行 Visual Studio Repair 后一切正常。