Scroll to top in ScrollView if softkeyboard visible

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@Override
public void onActivityCreated(Bundle savedInstanceState) {
  super.onActivityCreated(savedInstanceState);
    final View rootView = getActivity().getWindow().getDecorView().findViewById(android.R.id.content);
    rootView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
      @Override
      public void onGlobalLayout() {
        int height = rootView.getRootView().getHeight() - rootView.getHeight();
        if(height > 100) {
          loginScrollView.post(new Runnable() {
            @Override
            public void run() {
              loginScrollView.smoothScrollTo(0, loginScrollView.getBottom());
          }
        });
      }
    }
  });
}