Created
April 2, 2020 17:58
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getLastVisibleController
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func getLastVisibleController(ofParent parent: UIViewController? = nil) -> UIViewController? { | |
if let vc = parent { | |
if let tab = vc as? UITabBarController, let selected = tab.selectedViewController { | |
return getLastVisibleController(ofParent: selected) | |
} else if let nav = vc as? UINavigationController, let top = nav.topViewController { | |
return getLastVisibleController(ofParent: top) | |
} else if let presented = vc.presentedViewController { | |
return getLastVisibleController(ofParent: presented) | |
} else { | |
return vc | |
} | |
} else { | |
if let rootVC = UIApplication.shared.keyWindow?.rootViewController { | |
return getLastVisibleController(ofParent: rootVC) | |
} else { | |
return nil | |
} | |
} | |
} |
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