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在SceneDelegate.swift中做rootViewController操作后，返回按钮的响应无法返回 #9

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XWXGitHub opened this issue Apr 14, 2020 · 0 comments

XWXGitHub commented Apr 14, 2020 •

edited by EyreFree

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class func currentViewController() -> UIViewController {
    if let rootVC = UIApplication.shared.delegate?.window??.rootViewController {
        return self.currentViewController(from: rootVC)
    } else {
        return UIViewController()
    }
}

在控制台打印了下结果如下

if let rootVC = UIApplication.shared.delegate?.window??.rootViewController
p  rootVC
(UIViewController?) $R0 = nil

The text was updated successfully, but these errors were encountered:

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