iPhone Duo lying fully open and face-up: interface orientation, and rotating one ArrangementView region 180°

We're designing a two-person layout for iPhone Duo. The device lies fully open and flat on a table between two people facing each other. The inner display is in portrait orientation and split with ArrangementView using the default .split style, which stacks the regions in a tall window. Each person gets the half nearest them, and the far region uses .rotationEffect(.degrees(180)) so it faces the second person. The hinge isn't used for layout.

  1. While iPhone Duo lies fully open and face-up, does the interface orientation stay stable if the device is nudged or turned on the table? Is there a recommended way to hold it steady for one screen without restricting orientation app-wide?
  2. Is rotating one arrangement region 180° a supported pattern? Specifically, do the reserved regions from GeometryProxy.reservedRegions(kind:options:) need to be converted into the rotated region's coordinate space by hand? And do VoiceOver hit-testing and the focus ring follow the rotation?
  3. In an immersive full-screen view in this posture, can the status bar be hidden? If not, what's the recommended handling of its occlusion region, which would appear upside down to the second person?
iPhone Duo lying fully open and face-up: interface orientation, and rotating one ArrangementView region 180°
 
 
Q