keyboardHeight

    var keyboardHeight: CGFloat {
        let windows = UIApplication.shared.windows
        
        guard let keyboardWindowClass = NSClassFromString("UIRemoteKeyboardWindow"),
            let keyboardWindow = windows.first(where: { $0.isKind(of: keyboardWindowClass) }),
            let rootViewController = keyboardWindow.rootViewController,
            let keyboardViewClass = NSClassFromString("UIInputSetHostView"),
            let keyboardView = rootViewController.view.subviews.first(where: { $0.isKind(of: keyboardViewClass) }) else { return 0 }
        
        return keyboardView.frame.height
    }