有知道升级后出现了这个错误怎么解决吗 谢谢

Question

*** Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:],
 /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3505.16/UIApplication.m:3294

Answer 1

didFinishLaunchingWithOptions里面
UIRootViewController *viewController = [[UIRootViewController alloc] init];
    [self.window setRootViewController:viewController];
现在每个window都要设rootviewcontroller