解决XCode11中 [Application] The app delegate must implement the window property if it wants to use a main storyboard file.的问题

在AppDelegate文件里面,@implementation AppDelegate 下面加上:

@synthesize window = _window;

posted @ 2020-04-17 14:41  周宏伟  阅读(2079)  评论(0编辑  收藏  举报