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iOS Swift获取当前显示的ViewController

iOS Swift获取当前显示的ViewController

作者: Lee坚武 | 来源:发表于2023-01-05 15:29 被阅读0次
    class public func getCurrentVc() -> UIViewController{
        let rootVc = UIApplication.shared.keyWindow?.rootViewController
        let currentVc =getCurrentVcFrom(rootVc!)
        return currentVc
       }
    
    class private func getCurrentVcFrom(_ rootVc:UIViewController) -> UIViewController{
     var currentVc:UIViewController
     var rootCtr = rootVc
     if(rootCtr.presentedViewController != nil) {
       rootCtr = rootVc.presentedViewController!
     }
     if rootVc.isKind(of:UITabBarController.classForCoder()) {
       currentVc = getCurrentVcFrom((rootVc as! UITabBarController).selectedViewController!)
     }else if rootVc.isKind(of:UINavigationController.classForCoder()){
       currentVc = getCurrentVcFrom((rootVc as! UINavigationController).visibleViewController!)
     }else{
       currentVc = rootCtr
     }
     return currentVc
    }
    

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