I am using xcode 9.2 and one day I can't drag and drop all the things like below objects.我正在使用 xcode 9.2,有一天我无法拖放所有像下面的对象这样的东西。Does anyone know what is the problem about that.有谁知道这有什么问题。thanks.谢谢。
I would like to use below object.我想使用下面的对象。
1 个解决方案
解决方案1
0 2020-02-19 00:09:02
Just a couple of troubleshooting thoughts:只是一些故障排除的想法:
Restart Xcode重启Xcode
Are you able to drag and it just doesn't "take" in the storyboard?您是否能够拖动并且它只是不“占用”故事板?If so, double check that you're dropping it in a view controller that can accept the object如果是这样,请仔细检查您是否将其放入可以接受该对象的视图控制器中