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  1. Qt
  2. QTBUG-132419

UIApplication::setDelegate does not work with Qt 6.8.1 for iOS

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Details

    • iOS/tvOS/watchOS

    Description

      An application, that calls UIApplication::setDelegate from iOS UIKit, unexpectedly shows a black screen with Qt 6.8.1 for iOS while it displays a Window QML with Qt 6.7.3 as expected.(see attached screenshots)

      • The issue was reproduced on iPhone 13, iOS 17.5.1.
      • Even with Qt 6.8.1, omitting the line calling UIApplication::setDelegate makes the application run as expected.
      • Reproducer attached.

      Attachments

        1. Qt6_7_3.png
          Qt6_7_3.png
          87 kB
        2. Qt6_8_1.png
          Qt6_8_1.png
          76 kB
        3. sample_blackScreen.zip
          4 kB
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            vestbo Tor Arne Vestbø
            hitoshiito Hitoshi Ito
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            Dates

              Created:
              Updated:

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