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iPhone Duo Teleprompter with CameraCaptureAccessory
iPhone-DuoSwiftUICameraiOS-27
Use CameraCaptureAccessory to show a scrolling teleprompter on iPhone Duo's outer display while the rear camera records, in SwiftUI and UIKit.
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iPhone Duo Cameras: AVCaptureDeviceDirectionCoordinator
iPhone-DuoAVFoundationCameraiOS-27On iPhone Duo, which way a camera points depends on which display your app is on. Here's how the virtual front camera keeps existing apps working, and how AVCaptureDeviceDirectionCoordinator tells you which cameras face the person using your app.
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