Xamarin Android 应用程序在启动后 android 崩溃。缺少 MonoRuntimeProvider

Xamarin Android app crashes on android just after launch. Missing MonoRuntimeProvider

我在 Mac 上卸载了 Xamarin。然后重新安装它。 6.1.4(构建 1)。 现在我创建了一个新的解决方案。选择了便携式 Class 库。然后我编译了。然后我在同一台机器上安装了模拟器 运行。但在发布时,应用程序本身就失败了。然后我检查了应用程序输出。下面是日志。我无法继续。请帮忙。我检查了: "Xamarin.Android API-23 Support" 和 "Mono runtime" 安装在模拟器 android 上。 (卸载了这些组件也没有解决)

提前致谢。

日志如下:

am start -n "in.test.buttonlogger/md50a143af76fade5fdcdfca266ac349d28.MainActivity"
Starting: Intent { cmp=in.test.buttonlogger/md50a143af76fade5fdcdfca266ac349d28.MainActivity }

[art] Not late-enabling -Xcheck:jni (already on)
[art] Unexpected CPU variant for X86 using defaults: x86
[AndroidRuntime] Shutting down VM
[AndroidRuntime] FATAL EXCEPTION: main
[AndroidRuntime] Process: in.kosi.buttonlogger, PID: 6621
[AndroidRuntime] java.lang.RuntimeException: Unable to get provider mono.MonoRuntimeProvider: java.lang.RuntimeException: Unable to find application Mono.Android.Platform.ApiLevel_24 or Xamarin.Android.Platform!
[AndroidRuntime]    at android.app.ActivityThread.installProvider(ActivityThread.java:5856)
[AndroidRuntime]    at android.app.ActivityThread.installContentProviders(ActivityThread.java:5445)
[AndroidRuntime]    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5384)
[AndroidRuntime]    at android.app.ActivityThread.-wrap2(ActivityThread.java)
[AndroidRuntime]    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1545)
[AndroidRuntime]    at android.os.Handler.dispatchMessage(Handler.java:102)
[AndroidRuntime]    at android.os.Looper.loop(Looper.java:154)
[AndroidRuntime]    at android.app.ActivityThread.main(ActivityThread.java:6119)
[AndroidRuntime]    at java.lang.reflect.Method.invoke(Native Method)
[AndroidRuntime]    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
[AndroidRuntime]    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
[AndroidRuntime] Caused by: java.lang.RuntimeException: Unable to find application Mono.Android.Platform.ApiLevel_24 or Xamarin.Android.Platform!
[AndroidRuntime]    at mono.MonoRuntimeProvider.attachInfo(MonoRuntimeProvider.java:38)
[AndroidRuntime]    at android.app.ActivityThread.installProvider(ActivityThread.java:5853)
[AndroidRuntime]    ... 10 more
[AndroidRuntime] Caused by: android.content.pm.PackageManager$NameNotFoundException: Xamarin.Android.Platform
[AndroidRuntime]    at android.app.ApplicationPackageManager.getApplicationInfoAsUser(ApplicationPackageManager.java:345)
[AndroidRuntime]    at android.app.ApplicationPackageManager.getApplicationInfo(ApplicationPackageManager.java:327)
[AndroidRuntime]    at mono.MonoRuntimeProvider.attachInfo(MonoRuntimeProvider.java:32)
[AndroidRuntime]    ... 11 more

当您遇到此问题时,正常的解决方案是简单地将给定项目的 .csproj 文件中的 AndroidUseLatestPlatformSdk 属性 编辑为 false,如下所示:

<AndroidUseLatestPlatformSdk>False</AndroidUseLatestPlatformSdk>

如果这不起作用,请尝试在 Android Options 下的 Project Properties 中禁用 Shared Runtime

作为最后一个选项,您还可以尝试减少 GeneralProject Properties 中的 Target Framework