活动onStop（）==＆gt;无法停止活动{xxx}：java.lang.IndexOutOfBoundsException：Index：5，Size：5

Question

这个异常发生在活动的onstop上，没有自己的代码，所有的android框架代码。我不知道发生了什么事！

 java.lang.RuntimeException: Unable to stop activity {xxx}: java.lang.IndexOutOfBoundsException: Index: 5, Size: 5
    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4380)
    at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4447)
    at android.app.ActivityThread.-wrap6(ActivityThread.java)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1562)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:173)
    at android.app.ActivityThread.main(ActivityThread.java:6459)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:938)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:828) 
Caused by: java.lang.IndexOutOfBoundsException: Index: 5, Size: 5
    at java.util.ArrayList.get(ArrayList.java:411)
    at android.view.WindowManagerGlobal.setStoppedState(WindowManagerGlobal.java:597)
    at android.app.Activity.performStop(Activity.java:6842)
    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4375)
    ... 9 more
java.lang.IndexOutOfBoundsException: Index: 5, Size: 5
    at java.util.ArrayList.get(ArrayList.java:411)
    at android.view.WindowManagerGlobal.setStoppedState(WindowManagerGlobal.java:597)
    at android.app.Activity.performStop(Activity.java:6842)
    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4375)
    at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4447)
    at android.app.ActivityThread.-wrap6(ActivityThread.java)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1562)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:173)
    at android.app.ActivityThread.main(ActivityThread.java:6459)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:938)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:828)