java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
        at android.view.ViewGroup.addViewInner(ViewGroup.java:5122)
        at android.view.ViewGroup.addView(ViewGroup.java:4953)
        at com.android.internal.widget.DecorCaptionView.addView(DecorCaptionView.java:618)
        at android.view.ViewGroup.addView(ViewGroup.java:4925)
        at com.android.internal.policy.DecorView.onConfigurationChanged(DecorView.java:2264)
        at com.android.internal.policy.PhoneWindow.onMultiWindowModeChanged(PhoneWindow.java:770)
        at android.app.Activity.dispatchMultiWindowModeChanged(Activity.java:7494)
        at android.app.ActivityThread.handleMultiWindowModeChanged(ActivityThread.java:3296)
        at android.app.ActivityThread.-wrap14(Unknown Source:0)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1941)
        at android.os.Handler.dispatchMessage(Handler.java:105)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6938)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)