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01
September 25, 2026
Building a Teleprompter for iPhone Duo's Outer Display with CameraCaptureAccessory
iPhone-DuoSwiftUICameraiOS-27
When iPhone Duo is open, its outer display faces the same way as the rear camera. CameraCaptureAccessory lets your app put content there while it records. Here's how to build a scrolling teleprompter with it in SwiftUI and UIKit.
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02
September 15, 2026
Handling iPhone Duo's Front Cameras with AVCaptureDeviceDirectionCoordinator
iPhone-DuoAVFoundationCameraiOS-27
On 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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