iPad and iOS apps on visionOS

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Discussion about running existing iPad and iOS apps directly on Apple Vision Pro.

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USDZ file not loading on Apple Vision Pro
I'm working on a school project that allows users to open a .USDZ file (using Quick Look) on the webpage while using Apple Vision Pro to put the object in their physical envirnment, the project is deployed on Vercel. I'm testing the page with my apple vision pro, when I click open the .USDZ file, I'm seeing a triangle with an exclamation mark while it's trying to load, but it won't load. Does anybody know how to troubleshoot this issue?
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926
Oct ’24
WorldTrackingProvider Not running. Arkitsession terminated
Hi everyone I am working on a small project that requires World Anchors so that I can persist my content through whenever the user chooses to leave/close the app. However I can't manage to make my Arkit session to run even though I think all the privacy permissions have been set and allowed correctly. Here is a sample code in an empty scene: // // WorldTrackingView.swift // SH_AVP_Demo // // Created by 李希 on 9/19/24. // import SwiftUI import RealityKit import RealityKitContent //import VisionKit import ARKit import Foundation import UIKit import simd struct WorldTrackingView_test: View { @State var myCube = Entity() @Environment(.scenePhase) var myScenePhase var body: some View { RealityView { content in //Load Scene if let Scene = try? await Entity.load(named: "WorldTrackingScene", in: realityKitContentBundle){ //Add scene to the view content.add(Scene) //Look for the cube entity if let cubeEntity = Scene.findEntity(named: "Cube"){ myCube = cubeEntity // Create collission for the cube myCube.generateCollisionShapes(recursive: true) // Allow inputs to interact myCube.components.set(InputTargetComponent(allowedInputTypes: .indirect)) // set some ground shadows myCube.components.set(GroundingShadowComponent(castsShadow: true)) } } } // Add drag gesture that targets any entity in the scene .gesture(DragGesture().targetedToAnyEntity() //Do something when the cube position changes .onChanged{ value in value.entity.position = value.convert(value.location3D, from: .local, to: value.entity.parent!) myCube = value.entity // Test and see if the Arkit runs with different data providers var session = ARKitSession() var worldData = WorldTrackingProvider() let planeData = PlaneDetectionProvider() let sceneData = SceneReconstructionProvider() do { Task{ try await session.run([worldData]) for await update in worldData.anchorUpdates { switch update.event { case .added, .updated: // Update the app's understanding of this world anchor. print("Anchor position updated.") case .removed: // Remove content related to this anchor. print("Anchor position now unknown.") } } } }catch{ print("session not running \(error.localizedDescription)") return } } //At the end of the gesture save anchor .onEnded{ value in } ) } } #Preview(immersionStyle: .mixed) { WorldTrackingView() } All is does is to generate a cube in an immersive view. The cube has collision and input components added to so that I can interact with it using a drag gesture. I decided to start an arkit session with a WorldTrackingProvider() but I keep getting the following error: ARPredictorRemoteService <0x117e0c620>: Service configured with error: Error Domain=com.apple.arkit.error Code=501 "(null)" Remote Service was invalidated: <ARPredictorRemoteService: 0x117e0c620>, will stop all data_providers. ARRemoteService: remote object proxy failed with error: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service with pid 81 named com.apple.arkit.service.session was invalidated from this process." UserInfo={NSDebugDescription=The connection to service with pid 81 named com.apple.arkit.service.session was invalidated from this process.} ARRemoteService: weak self released before invalidation ARRemoteService: remote object proxy failed with error: Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service with pid 81 named com.apple.arkit.service.prediction was invalidated from this process." UserInfo={NSDebugDescription=The connection to service with pid 81 named com.apple.arkit.service.prediction was invalidated from this process.} ARRemoteService: weak self released before invalidation If I switch it with a PlaneDetectionProvider() or a SceneReconstructionProvider() I get print statements in my terminal, but none if i replace it with a WorldTrackingProvider(). Any idea what could be causing this? Same code was working before a recent for xcode I believe.
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Sep ’24