@Override
    protected void onSelectionChanged(int selStart, int selEnd) {
        super.onSelectionChanged(selStart, selEnd);
            if (selEnd > 1 && selEnd < 5) {
                if(getInputType() != InputType.TYPE_CLASS_NUMBER )
                    setInputType(InputType.TYPE_CLASS_NUMBER);
            } else {
                if(getInputType() != (InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS ) )
                    setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
            }
}