// java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
// at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1842)
// at android.support.v4.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:775)
// at android.support.v4.app.FragmentActivity.onBackPressed(FragmentActivity.java:178)
// at com.genius.android.FullscreenVideoActivity.access$601(FullscreenVideoActivity.java:48)
// at com.genius.android.FullscreenVideoActivity$10.onAnimationEnd(FullscreenVideoActivity.java:220)
// at android.view.ViewPropertyAnimator$AnimatorEventListener.onAnimationEnd(ViewPropertyAnimator.java:1114)
// at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1239)
// at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:766)
// at android.animation.ValueAnimator$AnimationHandler$1.run(ValueAnimator.java:801)
// at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
// at android.view.Choreographer.doCallbacks(Choreographer.java:670)
// at android.view.Choreographer.doFrame(Choreographer.java:603)
// at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
// at android.os.Handler.handleCallback(Handler.java:739)
// at android.os.Handler.dispatchMessage(Handler.java:95)
// at android.os.Looper.loop(Looper.java:148)
// at android.app.ActivityThread.main(ActivityThread.java:5417)
// at java.lang.reflect.Method.invoke(Native Method)
// at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
// at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)