LSG-6

**感谢您的帮助， 之后我在一个unity UI 的 panel上用UI widgets写了一个脚本，前面都可以正常显示与交互，但在编写slider的时候，报了下述错误：（抱歉以这种粗暴的方式求助orz，但我并未找到可以借鉴的unity脚本）** AssertionError: Error caught by widgets library, thrown building UIWidgetsSpace.MainPageWidgets(state:UIWidgetsSpace._MainPageWidgetState#CCC00).at Unity.UIWidgets.material.Slider..ctor (Unity.UIWidgets.foundation.Key key, System.Nullable`1[T] value, Unity.UIWidgets.foundation.ValueChanged`1[T] onChanged, Unity.UIWidgets.foundation.ValueChanged`1[T] onChangeStart, Unity.UIWidgets.foundation.ValueChanged`1[T] onChangeEnd, System.Single min, System.Single max,...

I have the same issue. If I play a landscape video with a portrait mode phone, the control will be at the center of the phone. I wonder if there...