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My goal is to display UIViewController (UIKit) on SwiftUI View.

My entire application is written in SwiftUI, but I use a library whose methods only take UIViewController's as input.

I tried to convert SwiftUI View to UIViewController by UIHostingController:

billPayVC = UIHostingController(rootView: BillPayView())

But when I try to display the library's UIViewController on my UIViewController (converted from SwiftUI View):

sdk.presentPaymentView(on: billPayVC,
                           acquiringPaymentStageConfiguration: .init(
                            paymentStage: .`init`(paymentData: paymentData)
                           ),
                           configuration: viewConfigration,
                           tinkoffPayDelegate: nil) { [weak self] response in
        self?.responseReviewing(response)
    }

, where sdk is instance of class inherited from NSObject, presentPaymentView is libary's method which takes as input parameter 'on' UIViewController.

When I try to do this, I get the following message:

2022-10-02 21:23:42.454017+0300 DARS[11065:147087] [Presentation] Attempt to present <TinkoffASDKUI.AcquiringPaymentViewController: 0x7f8e88091600> on <TtGC7SwiftUI19UIHostingControllerV4DARS11BillPayView: 0x7f8e88b0c380> (from <TtGC7SwiftUI19UIHostingControllerV4DARS11BillPayView: 0x7f8e88b0c380>) whose view is not in the window hierarchy.

Could you help me, how and where can I add billPayVC (converted from BillPayView()) to the window hierarchy?

Evgeniy
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    If what you need comes from UIKit, what you need is a ```UIViewRepresentable``` instead. So you can make any output available to the swiftUI lifecycle – Guillermo Jiménez Oct 02 '22 at 19:43

0 Answers0