screen sharing

Apple's WWDC 2024 sessions covered various aspects of screen sharing, particularly in the context of visionOS and SharePlay. Here are some key points:

1. Screen Capture in visionOS:

   • The session Introducing enterprise APIs for visionOS explains how screen capture works with Vision Pro. When doing a screen capture, all open windows are captured, but the background is removed. Instead, the passthrough camera's feed is included, providing a full combined spatial view. This feature requires the use of a broadcast upload extension and the built-in broadcast feature through ReplayKit.
   • The same session also highlights the "see what I see" functionality, where a technician can share their actual view, including both the passthrough camera and visionOS windows, with an expert back at the office. This is facilitated by the system's start broadcast button.

2. SharePlay and Spatial Personas:

   • The session Customize spatial Persona templates in SharePlay discusses how FaceTime and SharePlay on visionOS use spatial Personas to create a sense of presence. SharePlay apps need to keep the UI synchronized between all participants, maintaining visual and spatial consistency.
   • This session also demonstrates how to start a simulated FaceTime call in Xcode 16, which is useful for developing SharePlay apps without needing a real device.

3. ScreenCaptureKit:

   • The session Capture HDR content with ScreenCaptureKit introduces new features in ScreenCaptureKit, such as capturing streams and screenshots with HDR. This session also covers how to integrate your app with the system UI experience for screen sharing and video conferencing.

Relevant Sessions

1. Introducing enterprise APIs for visionOS
2. Customize spatial Persona templates in SharePlay
3. Capture HDR content with ScreenCaptureKit

These sessions provide a comprehensive overview of the screen sharing capabilities and enhancements introduced in visionOS and related technologies.