我想知道我是否可以从另一个ViewController调用app delegate方法.
当应用程序启动时,将application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool调用i方法.我可以从另一个视图控制器再次调用此方法吗?
application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool
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