app长时间挂在后台在点击崩溃了

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.flyjiang.earwornsnoring.activity/com.flyjiang.earwornsnoring.activity.MainActivity}: java.lang.RuntimeException: Parcel android.os.Parcel@4257f6a8: Unmarshalling unknown type code 140 at offset 2300
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2198)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2247)
at android.app.ActivityThread.access$800(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5050)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:806)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:622)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.RuntimeException: Parcel android.os.Parcel@4257f6a8: Unmarshalling unknown type code 140 at offset 2300
at android.os.Parcel.readValue(Parcel.java:2087)
at android.os.Parcel.readSparseArrayInternal(Parcel.java:2382)
at android.os.Parcel.readSparseArray(Parcel.java:1742)
at android.os.Parcel.readValue(Parcel.java:2077)
at android.os.Parcel.readArrayMapInternal(Parcel.java:2321)
at android.os.Bundle.unparcel(Bundle.java:249)
at android.os.Bundle.getSparseParcelableArray(Bundle.java:1273)
at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1741)
at android.app.Activity.onRestoreInstanceState(Activity.java:955)
at android.app.Activity.performRestoreInstanceState(Activity.java:927)
at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1138)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2176)
... 11 more
谁帮忙看一下，现在只有这些日志，猜测下什么原因该怎么做