1.设置启动页为LaunchImage,方法如下:
1.在Assets.xcassets中新建LaunchImage
2.在项目TARGETS->General->App Icons and Launch Images中设置 Launch Images Source 为LaunchImage,并将Launch Screen File 设为空(如图)

LaunchImageSet-01.png
2.在LaunchImage 添加相应启动图片

LaunchImageSet-02.png
如果没显示的话记得删除掉App重新安装