我正在构建示例 intro xamarin forms app使用 Visual Studio 2019 和模拟器启动，但应用程序未部署并出现错误 Unexpected install output: cmd: Can't find service: package":
1>No way to resolve conflict between "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" and "mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e". Choosing "mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" arbitrarily.
1>C:\Program Files\Android\jdk\microsoft_dist_openjdk_1.8.0.9\bin\keytool.exe -list -alias androiddebugkey -storepass android -keypass android -keystore "C:\Users\sticker592\AppData\Local\Xamarin\Mono for Android\debug.keystore"
1>C:\Program Files (x86)\Android\android-sdk\build-tools\25.0.3\zipalign.exe -p 4 "C:\Users\sticker592\Downloads\FirstApp\AwesomeApp\AwesomeApp.Android\obj\Debug\81\android\bin\com.companyname.AwesomeApp.apk" "bin\Debug\\com.companyname.AwesomeApp-Signed.apk"
1>C:\Program Files\Android\jdk\microsoft_dist_openjdk_1.8.0.9\bin\java.exe -jar "C:\Program Files (x86)\Android\android-sdk\build-tools\25.0.3\lib\apksigner.jar" sign --ks "C:\Users\sticker592\AppData\Local\Xamarin\Mono for Android\debug.keystore" --ks-pass pass:android --ks-key-alias androiddebugkey --key-pass pass:android --min-sdk-version 21 --max-sdk-version 27 C:\Users\sticker592\Downloads\FirstApp\AwesomeApp\AwesomeApp.Android\bin\Debug\com.companyname.AwesomeApp-Signed.apk
1>ADB0000: Deployment failed
1>Mono.AndroidTools.InstallFailedException: Unexpected install output: cmd: Can't find service: package
1>
1> at Mono.AndroidTools.Internal.AdbOutputParsing.CheckInstallSuccess(String output, String packageName) in E:\A\_work\413\s\External\androidtools\Mono.AndroidTools\Internal\AdbOutputParsing.cs:line 345
1> at Mono.AndroidTools.AndroidDevice.<>c__DisplayClass95_0.<InstallPackage>b__0(Task`1 t) in E:\A\_work\413\s\External\androidtools\Mono.AndroidTools\AndroidDevice.cs:line 753
1> at System.Threading.Tasks.ContinuationTaskFromResultTask`1.InnerInvoke()
1> at System.Threading.Tasks.Task.Execute()
1>ADB0010: Unexpected install output: cmd: Can't find service: package
1>
1> at Mono.AndroidTools.Internal.AdbOutputParsing.CheckInstallSuccess(String output, String packageName) in E:\A\_work\413\s\External\androidtools\Mono.AndroidTools\Internal\AdbOutputParsing.cs:line 345
1> at Mono.AndroidTools.AndroidDevice.<>c__DisplayClass95_0.<InstallPackage>b__0(Task`1 t) in E:\A\_work\413\s\External\androidtools\Mono.AndroidTools\AndroidDevice.cs:line 753
1> at System.Threading.Tasks.ContinuationTaskFromResultTask`1.InnerInvoke()
1> at System.Threading.Tasks.Task.Execute()
1>Done building project "AwesomeApp.Android.csproj" -- FAILED.
1>Build FAILED.
最佳答案
就我而言，它有助于在 Android 设备管理器中对仿真设备进行出厂重置。 
关于android - Xamarin 无法使用 : "Unexpected install output: cmd: Can' t find service: package"将应用程序部署到模拟器，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/54482602/