我今天开始实施Microsoft.AppCenter for Analytics and Crashes到我的应用程序。在其中两个（使用PCL项目运行Xamarin.Forms上的MvvmCross），它运行得非常好。它也适用于iOS端的Xamarin.Forms（共享）项目。但是当我使用AppCenter.Start（） - Call时，这个项目的Android端总是在启动时出现异常。如果我删除此调用，则不会发生异常。
01-20 01:18:58.950 D/Mono ( 1675): DllImport attempting to load: '/system/lib/liblog.so'.
01-20 01:18:58.950 D/Mono ( 1675): DllImport loaded library '/system/lib/liblog.so'.
01-20 01:18:58.950 D/Mono ( 1675): DllImport searching in: '/system/lib/liblog.so' ('/system/lib/liblog.so').
01-20 01:18:58.950 D/Mono ( 1675): Searching for '__android_log_print'.
01-20 01:18:58.950 D/Mono ( 1675): Probing '__android_log_print'.Thread started: <Thread Pool> #11
01-20 01:18:58.950 D/Mono ( 1675): Found as '__android_log_print'.
01-20 01:18:58.962 I/MonoDroid( 1675): UNHANDLED EXCEPTION:
01-20 01:18:58.965 I/MonoDroid( 1675): System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'Microsoft.AppCenter.Crashes.Crashes' threw an exception. ---> Java.Lang.ClassNotFoundException: Didn't find class "md5077d3f1b65f0ebbab0ee71c2383ed9a2.AndroidCrashListener" on path: DexPathList[[zip file "/data/app/com.SoftwareNotion.BreathCompanion-1/base.apk"],nativeLibraryDirectories=[/data/app/com.SoftwareNotion.BreathCompanion-1/lib/x86, /data/app/com.SoftwareNotion.BreathCompanion-1/base.apk!/lib/x86, /vendor/lib, /system/lib]]
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Interop.JniEnvironment+Types.FindClass (System.String classname) [0x00114] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Interop.JniType..ctor (System.String classname) [0x00006] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods..ctor (System.Type declaringType) [0x00064] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods.GetConstructorsForType (System.Type declaringType) [0x0002c] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods.StartCreateInstance (System.String constructorSignature, System.Type declaringType, Java.Interop.JniArgumentValue* parameters) [0x00032] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Java.Lang.Object..ctor () [0x0001f] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.Object.cs:30
01-20 01:18:58.965 I/MonoDroid( 1675): at Microsoft.AppCenter.Crashes.AndroidCrashListener..ctor (Microsoft.AppCenter.Crashes.PlatformCrashes owner) [0x00000] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Microsoft.AppCenter.Crashes.PlatformCrashes..ctor () [0x00006] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:58.965 I/MonoDroid( 1675): at Microsoft.AppCenter.Crashes.Crashes..cctor () [0x0000a] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:58.965 I/MonoDroid( 1675): --- End of inner exception stack trace ---
01-20 01:18:58.965 I/MonoDroid( 1675): at System.Reflection.MonoProperty.StaticGetterAdapterFrame[R] (System.Reflection.MonoProperty+StaticGetter`1[R] getter, System.Object obj) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:334
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0005f] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:390
01-20 01:18:58.966 I/MonoDroid( 1675): --- End of inner exception stack trace ---
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0006e] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:392
01-20 01:18:58.966 I/MonoDroid( 1675): at Microsoft.AppCenter.AppCenter.GetServices (System.Collections.Generic.IEnumerable`1[T] services) [0x00029] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:58.966 I/MonoDroid( 1675): at Microsoft.AppCenter.AppCenter.PlatformStart (System.String appSecret, System.Type[] services) [0x00026] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:58.966 I/MonoDroid( 1675): at Microsoft.AppCenter.AppCenter.Start (System.String appSecret, System.Type[] services) [0x00000] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:58.966 I/MonoDroid( 1675): at Zelda.BotW.Map.App.OnStart () [0x00007] in H:\Repositories\Privat\hg\zelda-botw-map\Zelda.BotW.Map\Zelda.BotW.Map\Zelda.BotW.Map\App.xaml.cs:67
01-20 01:18:58.966 I/MonoDroid( 1675): at Xamarin.Forms.Application.SendStart () [0x00000] in D:\agent\_work\1\s\Xamarin.Forms.Core\Application.cs:254
01-20 01:18:58.966 I/MonoDroid( 1675): at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStateChanged>d__32.MoveNext () [0x0003b] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:325
01-20 01:18:58.966 I/MonoDroid( 1675): --- End of stack trace from previous location where exception was thrown ---
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
[0:] AndroidEnvironment.UnhandledExceptionRaiser: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'Microsoft.AppCenter.Crashes.Crashes' threw an exception. ---> Java.Lang.ClassNotFoundException: Didn't find class "md5077d3f1b65f0ebbab0ee71c2383ed9a2.AndroidCrashListener" on path: DexPathList[[zip file "/data/app/com.SoftwareNotion.BreathCompanion-1/base.apk"],nativeLibraryDirectories=[/data/app/com.SoftwareNotion.BreathCompanion-1/lib/x86, /data/app/com.SoftwareNotion.BreathCompanion-1/base.apk!/lib/x86, /vendor/lib, /system/lib]]
at Java.Interop.JniEnvironment+Types.FindClass (System.String classname) [0x00114] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniType..ctor (System.String classname) [0x00006] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods..ctor (System.Type declaringType) [0x00064] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.GetConstructorsForType (System.Type declaringType) [0x0002c] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.StartCreateInstance (System.String constructorSignature, System.Type declaringType, Java.Interop.JniArgumentValue* parameters) [0x00032] in <e736913786c2475188869561ae512b72>:0
at Java.Lang.Object..ctor () [0x0001f] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.Object.cs:30
at Microsoft.AppCenter.Crashes.AndroidCrashListener..ctor (Microsoft.AppCenter.Crashes.PlatformCrashes owner) [0x00000] in <d3350e6250834260a1674c2436994900>:0
at Microsoft.AppCenter.Crashes.PlatformCrashes..ctor () [0x00006] in <d3350e6250834260a1674c2436994900>:0
at Microsoft.AppCenter.Crashes.Crashes..cctor () [0x0000a] in <d3350e6250834260a1674c2436994900>:0
--- End of inner exception stack trace ---
at System.Reflection.MonoProperty.StaticGetterAdapterFrame[R] (System.Reflection.MonoProperty+StaticGetter`1[R] getter, System.Object obj) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:334
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0005f] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:390
--- End of inner exception stack trace ---
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0006e] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:392
at Microsoft.AppCenter.AppCenter.GetServices (System.Collections.Generic.IEnumerable`1[T] services) [0x00029] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Microsoft.AppCenter.AppCenter.PlatformStart (System.String appSecret, System.Type[] services) [0x00026] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Microsoft.AppCenter.AppCenter.Start (System.String appSecret, System.Type[] services) [0x00000] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Zelda.BotW.Map.App.OnStart () [0x00007] in H:\Repositories\Privat\hg\zelda-botw-map\Zelda.BotW.Map\Zelda.BotW.Map\Zelda.BotW.Map\App.xaml.cs:67
at Xamarin.Forms.Application.SendStart () [0x00000] in D:\agent\_work\1\s\Xamarin.Forms.Core\Application.cs:254
at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStateChanged>d__32.MoveNext () [0x0003b] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:325
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStart>d__27.MoveNext () [0x00048] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:256
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__6_0 (System.Object state) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1018
at Android.App.SyncContext+<>c__DisplayClass2_0.<Post>b__0 () [0x00000] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/Android.App/SyncContext.cs:35
at Java.Lang.Thread+RunnableImplementor.Run () [0x00008] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/Java.Lang/Thread.cs:36
at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00008] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.IRunnable.cs:81
at (wrapper dynamic-method) System.Object:417e1a7f-be99-4185-a6c5-4b19f0fe22c6 (intptr,intptr). IsTerminating: False01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
01-20 01:18:58.966 I/MonoDroid( 1675): at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStart>d__27.MoveNext () [0x00048] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:256
01-20 01:18:58.966 I/MonoDroid( 1675): --- End of stack trace from previous location where exception was thrown ---
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
01-20 01:18:58.966 I/MonoDroid( 1675): at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__6_0 (System.Object state) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1018
01-20 01:18:58.966 I/MonoDroid( 1675): at Android.App.SyncContext+<>c__DisplayClass2_0.<Post>b__0 () [0x00000] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/Android.App/SyncContext.cs:35
01-20 01:18:58.966 I/MonoDroid( 1675): at Java.Lang.Thread+RunnableImplementor.Run () [0x00008] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/Java.Lang/Thread.cs:36
01-20 01:18:58.966 I/MonoDroid( 1675): at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00008] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.IRunnable.cs:81
01-20 01:18:58.966 I/MonoDroid( 1675): at (wrapper dynamic-method) System.Object:417e1a7f-be99-4185-a6c5-4b19f0fe22c6 (intptr,intptr)
An unhandled exception occured.
[0:] AppDomain.CurrentDomain.UnhandledException: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'Microsoft.AppCenter.Crashes.Crashes' threw an exception. ---> Java.Lang.ClassNotFoundException: Didn't find class "md5077d3f1b65f0ebbab0ee71c2383ed9a2.AndroidCrashListener" on path: DexPathList[[zip file "/data/app/com.SoftwareNotion.BreathCompanion-1/base.apk"],nativeLibraryDirectories=[/data/app/com.SoftwareNotion.BreathCompanion-1/lib/x86, /data/app/com.SoftwareNotion.BreathCompanion-1/base.apk!/lib/x86, /vendor/lib, /system/lib]]
at Java.Interop.JniEnvironment+Types.FindClass (System.String classname) [0x00114] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniType..ctor (System.String classname) [0x00006] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods..ctor (System.Type declaringType) [0x00064] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.GetConstructorsForType (System.Type declaringType) [0x0002c] in <e736913786c2475188869561ae512b72>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.StartCreateInstance (System.String constructorSignature, System.Type declaringType, Java.Interop.JniArgumentValue* parameters) [0x00032] in <e736913786c2475188869561ae512b72>:0
at Java.Lang.Object..ctor () [0x0001f] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.Object.cs:30
at Microsoft.AppCenter.Crashes.AndroidCrashListener..ctor (Microsoft.AppCenter.Crashes.PlatformCrashes owner) [0x00000] in <d3350e6250834260a1674c2436994900>:0
at Microsoft.AppCenter.Crashes.PlatformCrashes..ctor () [0x00006] in <d3350e6250834260a1674c2436994900>:0
at Microsoft.AppCenter.Crashes.Crashes..cctor () [0x0000a] in <d3350e6250834260a1674c2436994900>:0
--- End of inner exception stack trace ---
at System.Reflection.MonoProperty.StaticGetterAdapterFrame[R] (System.Reflection.MonoProperty+StaticGetter`1[R] getter, System.Object obj) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:334
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0005f] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:390
--- End of inner exception stack trace ---
at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0006e] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:392
at Microsoft.AppCenter.AppCenter.GetServices (System.Collections.Generic.IEnumerable`1[T] services) [0x00029] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Microsoft.AppCenter.AppCenter.PlatformStart (System.String appSecret, System.Type[] services) [0x00026] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Microsoft.AppCenter.AppCenter.Start (System.String appSecret, System.Type[] services) [0x00000] in <42dc73f55eb143199a75bb5cc912fc22>:0
at Zelda.BotW.Map.App.OnStart () [0x00007] in H:\Repositories\Privat\hg\zelda-botw-map\Zelda.BotW.Map\Zelda.BotW.Map\Zelda.BotW.Map\App.xaml.cs:67
at Xamarin.Forms.Application.SendStart () [0x00000] in D:\agent\_work\1\s\Xamarin.Forms.Core\Application.cs:254
at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStateChanged>d__32.MoveNext () [0x0003b] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:325
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:152
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00037] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:187
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter.GetResult () [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:113
at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStart>d__27.MoveNext () [0x00048] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:256
--- End of stack trace from previous location where exception was thrown ---
at (wrapper dynamic-method) System.Object:417e1a7f-be99-4185-a6c5-4b19f0fe22c6 (intptr,intptr). IsTerminating: True
referenceTable GDEF length=814 1
referenceTable GSUB length=11364 1
referenceTable GPOS length=47302 1
referenceTable GDEF length=808 1
referenceTable GSUB length=11364 1
referenceTable GPOS length=49206 1
referenceTable head length=54 1
referenceTable head length=54 101-20 01:18:59.765 E/mono-rt ( 1675): [ERROR] FATAL UNHANDLED EXCEPTION: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'Microsoft.AppCenter.Crashes.Crashes' threw an exception. ---> Java.Lang.ClassNotFoundException: Didn't find class "md5077d3f1b65f0ebbab0ee71c2383ed9a2.AndroidCrashListener" on path: DexPathList[[zip file "/data/app/com.SoftwareNotion.BreathCompanion-1/base.apk"],nativeLibraryDirectories=[/data/app/com.SoftwareNotion.BreathCompanion-1/lib/x86, /data/app/com.SoftwareNotion.BreathCompanion-1/base.apk!/lib/x86, /vendor/lib, /system/lib]]
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Interop.JniEnvironment+Types.FindClass (System.String classname) [0x00114] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Interop.JniType..ctor (System.String classname) [0x00006] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods..ctor (System.Type declaringType) [0x00064] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods.GetConstructorsForType (System.Type declaringType) [0x0002c] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Interop.JniPeerMembers+JniInstanceMethods.StartCreateInstance (System.String constructorSignature, System.Type declaringType, Java.Interop.JniArgumentValue* parameters) [0x00032] in <e736913786c2475188869561ae512b72>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Java.Lang.Object..ctor () [0x0001f] in /Users/builder/data/lanes/5749/ef47226b/source/xamarin-android/src/Mono.Android/obj/Release/android-26/mcw/Java.Lang.Object.cs:30
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.Crashes.AndroidCrashListener..ctor (Microsoft.AppCenter.Crashes.PlatformCrashes owner) [0x00000] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.Crashes.PlatformCrashes..ctor () [0x00006] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.Crashes.Crashes..cctor () [0x0000a] in <d3350e6250834260a1674c2436994900>:0
01-20 01:18:59.765 E/mono-rt ( 1675): --- End of inner exception stack trace ---
01-20 01:18:59.765 E/mono-rt ( 1675): at System.Reflection.MonoProperty.StaticGetterAdapterFrame[R] (System.Reflection.MonoProperty+StaticGetter`1[R] getter, System.Object obj) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:334
01-20 01:18:59.765 E/mono-rt ( 1675): at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0005f] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:390
01-20 01:18:59.765 E/mono-rt ( 1675): --- End of inner exception stack trace ---
01-20 01:18:59.765 E/mono-rt ( 1675): at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) [0x0006e] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/corlib/System.Reflection/MonoProperty.cs:392
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.AppCenter.GetServices (System.Collections.Generic.IEnumerable`1[T] services) [0x00029] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.AppCenter.PlatformStart (System.String appSecret, System.Type[] services) [0x00026] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Microsoft.AppCenter.AppCenter.Start (System.String appSecret, System.Type[] services) [0x00000] in <42dc73f55eb143199a75bb5cc912fc22>:0
01-20 01:18:59.765 E/mono-rt ( 1675): at Zelda.BotW.Map.App.OnStart () [0x00007] in H:\Repositories\Privat\hg\zelda-botw-map\Zelda.BotW.Map\Zelda.BotW.Map\Zelda.BotW.Map\App.xaml.cs:67
01-20 01:18:59.765 E/mono-rt ( 1675): at Xamarin.Forms.Application.SendStart () [0x00000] in D:\agent\_work\1\s\Xamarin.Forms.Core\Application.cs:254
01-20 01:18:59.765 E/mono-rt ( 1675): at Xamarin.Forms.Platform.Android.FormsAppCompatActivity+<OnStateChanged>d__32.MoveNext () [0x0003b] in D:\agent\_work\1\s\Xamarin.Forms.Platform.Android\AppCompat\FormsAppCompatActivity.cs:325
01-20 01:18:59.765 E/mono-rt ( 1675): --- End of stack trace from previous location where exception was thrown ---
01-20 01:18:59.765 E/mono-rt ( 1675): at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android-d15-5/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:1
有人可以告诉我我错过了什么吗？我不明白。
答案 0 :(得分：1)
我的应用程序使用Android 4.0版运行。安装Nuget软件包后，清理您的解决方案，重建解决方案，您就可以开始使用了！
答案 1 :(得分：0)
对于遇到相同问题的每个人：最低Android版本必须为4.1或更高版本。之前受影响的项目为4.0.3。