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TUIKit/TUICallKit/TUICallKit-Swift/View/Component/Common/UIViewControllerCommon.swift

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+//
+//  UIViewControllerCommon.swift
+//  TUICallKit
+//
+//  Created by vincepzhang on 2023/1/16.
+//
+
+import Foundation
+import UIKit
+
+
+extension UIViewController {
+    
+    static func getCurrentViewController(base: UIViewController? = UIApplication.shared.keyWindow?.rootViewController) -> UIViewController? {
+        if let nav = base as? UINavigationController {
+            return getCurrentViewController(base: nav.visibleViewController)
+        }
+        if let tab = base as? UITabBarController {
+            return getCurrentViewController(base: tab.selectedViewController)
+        }
+        if let presented = base?.presentedViewController {
+            return getCurrentViewController(base: presented)
+        }
+        return base
+    }
+}