现在 iOS Launch screens 还只能用图片吗？

This topic created in 1211 days ago, the information mentioned may be changed or developed.

例如设计文档中的这个浏览器启动页，这个我以为是代码写的，难道是在这么多机型下截图放这么多机型的图片而已？
https://developer.apple.com/design/human-interface-guidelines/patterns/launching/