需要阅读Android Stacktrace的Mvvmcross片段崩溃帮助吗

需要阅读Android Stacktrace的Mvvmcross片段崩溃帮助吗,android,xamarin,mvvmcross,Android,Xamarin,Mvvmcross,在GooglePlay仪表板上,我有大量的崩溃和ANR。它们具有以下堆栈跟踪: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1183) Caused by: java.lang.reflect.InvocationTargetException at java.la

在GooglePlay仪表板上,我有大量的崩溃和ANR。它们具有以下堆栈跟踪:

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1183)
Caused by: java.lang.reflect.InvocationTargetException
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1388)
    ... 1 more
Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable: System.NullReferenceException: Object reference not set to an instance of an object
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <0x00028>
at Android.Runtime.JNIEnv.CallNonvirtualVoidMethod (intptr,intptr,intptr) <0x000db>
at Android.App.Activity.OnStart () <0x00103>
at Cirrious.MvvmCross.Droid.Fragging.MvxEventSourceFragmentActivity.OnStart () <0x00013>
at Android.App.Activity.n_OnStart (intptr,intptr) <0x00037>
at (wrapper dynamic-method) object.ecfa86e9-900d-479e-9875-6960304e8202 (intptr,intptr) <0x0003b>
    at md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.n_onStart(Native Method)
    at md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.onStart(MvxEventSourceFragmentActivity.java:78)
    at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1234)
    at android.app.Activity.performStart(Activity.java:6329)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2767)
    at android.app.ActivityThread.access$900(ActivityThread.java:177)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1449)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:145)
    at android.app.ActivityThread.main(ActivityThread.java:5951)
java.lang.RuntimeException:java.lang.reflect.InvocationTargetException
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1183)
原因:java.lang.reflect.InvocationTargetException
位于java.lang.reflect.Method.invoke(本机方法)
位于java.lang.reflect.Method.invoke(Method.java:372)
在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run上(ZygoteInit.java:1388)
... 还有一个
原因:md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable:System.NullReferenceException:对象引用未设置为对象的实例
在System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()中
在Android.Runtime.JNIEnv.CallNonvirtualVoidMethod(intptr、intptr、intptr)上
在Android.App.Activity.OnStart()上
在cirrial.MvvmCross.Droid.Fragging.MvxEventSourceFragmentActivity.OnStart()处
在Android.App.Activity.n_OnStart(intptr,intptr)
at(包装器动态方法)object.ecfa86e9-900d-479e-9875-6960304e8202(intptr,intptr)
在md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.n_onStart(本机方法)
在md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.onStart(MvxEventSourceFragmentActivity.java:78)
位于android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1234)
位于android.app.Activity.performStart(Activity.java:6329)
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)上
在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2767)上
在android.app.ActivityThread.access$900(ActivityThread.java:177)
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1449)上
位于android.os.Handler.dispatchMessage(Handler.java:102)
位于android.os.Looper.loop(Looper.java:145)
位于android.app.ActivityThread.main(ActivityThread.java:5951)
我对stacktraces很熟悉,但对于这个特定的跟踪,我不知道在哪里可以找到

这些错误发生在各种设备上,如4.*和5.*。我也试图重现这个错误,但没有成功

也许这是一个我可以忽略的特定安卓系统的东西

沙马林:4.0.0.1717 Android:6.0.0.35

编辑1

我找到了一个新的工作。它显示了一些相同的问题。本项目涉及Xamarin表单。我不使用Xamarin表单,但我已采取步骤重现该错误:

  • 启动应用程序
  • 将应用程序带到后台
  • 停止进程(使用Android设备管理器)
  • 启动应用程序
  • 然后我也得到了这个错误:

    FATAL EXCEPTION: main
    Process: com.android.MyApp, PID: 4228
    java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
    Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Method.invoke(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:372)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
        ... 1 more
    Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable: System.NullReferenceException: Object reference not set to an instance of an object
      at MyApp.Android.Views.Framents.MessageListFragment.OnCreateView (Android.Views.LayoutInflater inflater, Android.Views.ViewGroup container, Android.OS.Bundle savedInstanceState) [0x003a2] in <filename unknown>:0 
      at Android.Support.V4.App.Fragment.n_OnCreateView_Landroid_view_LayoutInflater_Landroid_view_ViewGroup_Landroid_os_Bundle_ (IntPtr jnienv, IntPtr native__this, IntPtr native_inflater, IntPtr native_container, IntPtr native_savedInstanceState) [0x00022] in <filename unknown>:0 
      at (wrapper dynamic-method) System.Object:85227a30-9274-46c5-a910-dd5907ec83c7 (intptr,intptr,intptr,intptr,intptr)
    --- End of stack trace from previous location where exception was thrown ---
      at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <filename unknown>:0 
      at Android.Runtime.JNIEnv.CallNonvirtualVoidMethod (IntPtr jobject, IntPtr jclass, IntPtr jmethod) [0x00089] in <filename unknown>:0 
      at Android.App.Activity.OnStart () [0x00079] in <filename unknown>:0 
      at Cirrious.MvvmCross.Droid.Fragging.MvxEventSourceFragmentActivity.OnStart () [0x00000] in <filename unknown>:0 
      at Android.App.Activity.n_OnStart (IntPtr jnienv, IntPtr native__this) [0x00009] in <filename unknown>:0 
      at (wrapper dynamic-method) System.Object:5c6d4542-2710-4e67-976d-a6e9d1ccd51c (intptr,intptr)
        at md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.n_onStart(Native Method)
        at md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.onStart(MvxEventSourceFragmentActivity.java:78)
        at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
        at android.app.Activity.performStart(Activity.java:6006)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
        at android.app.ActivityThread.access$800(ActivityThread.java:151)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:135)
        at android.app.ActivityThread.main(ActivityThread.java:5254)
        ... 4 more
    
    致命异常:main
    进程:com.android.MyApp,PID:4228
    java.lang.RuntimeException:java.lang.reflect.InvocationTargetException
    位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
    原因:java.lang.reflect.InvocationTargetException
    位于java.lang.reflect.Method.invoke(本机方法)
    位于java.lang.reflect.Method.invoke(Method.java:372)
    在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)上
    ... 还有一个
    原因:md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable:System.NullReferenceException:对象引用未设置为对象的实例
    在MyApp.Android.Views.Framents.MessageListFragment.OnCreateView(Android.Views.LayoutInflater充气机、Android.Views.ViewGroup容器、Android.OS.Bundle savedInstanceState)[0x003a2]中:0
    在Android.Support.V4.App.Fragment.n_OnCreateView_Landroid_view_LayoutInflater_Landroid_view_view_ViewGroup_Landroid_os_Bundle_(IntPtr jnienv,IntPtr native_this,IntPtr native_充气机,IntPtr native_容器,IntPtr native_savedInstanceState)[0x00022]中:0
    at(包装器动态方法)系统。对象:85227a30-9274-46c5-a910-dd5907ec83c7(intptr,intptr,intptr,intptr,intptr,intptr)
    ---来自引发异常的上一个位置的堆栈结束跟踪---
    0中的System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()[0x0000c]处
    在Android.Runtime.JNIEnv.CallNonvirtualVoidMethod(IntPtr jobject、IntPtr jclass、IntPtr jmethod)[0x00089]中:0
    位于:0中的Android.App.Activity.OnStart()[0x00079]
    在cirrius.MvvmCross.Droid.Fragging.MvxEventSourceFragmentActivity.OnStart()[0x00000]中:0
    在Android.App.Activity.n_OnStart(IntPtr jnienv,IntPtr native_uthis)[0x00009]中:0
    at(包装器动态方法)系统。对象:5c6d4542-2710-4e67-976d-a6e9d1ccd51c(intptr,intptr)
    在md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.n_onStart(本机方法)
    在md526035c37b8d1573464bb4caa888f0f5d.MvxEventSourceFragmentActivity.onStart(MvxEventSourceFragmentActivity.java:78)
    位于android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
    在android.app.Activity.performStart上(Activity.java:6006)
    在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)上
    位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
    在android.app.ActivityThread.access$800(ActivityThread.java:151)
    在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)上
    位于android.os.Handler.dispatchMessage(Handler.java:102)
    位于android.os.Looper.loop(Looper.java:135)
    位于android.app.ActivityThread.main(ActivityThread.java:5254)
    ... 4更多
    
    我以前见过这种情况。我建议使用
    MvxCachingFragmentCompatActivity
    让它处理活动生命周期情况。您可以在这里找到一个示例:

    Hoi Martijn,感谢您的快速响应。我将看一看MVxCachingFragmentCompative活动。我会回来的,我刚刚注意到关于MVX4.0达到稳定的推特。我立即下载了示例。“XPlatformMenus”项目正是我所需要的。