Create and destroy subsystems between scene switches

Assets/Scripts/UX/ARSceneSelectUI.cs

         }
     }
 
+    static void LoadScene(string sceneName)
+    {
+        LoaderUtility.Initialize();
+        SceneManager.LoadScene(sceneName, LoadSceneMode.Single);
+    }
+
-        SceneManager.LoadScene("SimpleAR", LoadSceneMode.Single);
+        LoadScene("SimpleAR");
-       SceneManager.LoadScene("ImageTracking", LoadSceneMode.Single);
+       LoadScene("ImageTracking");
-        SceneManager.LoadScene("Anchors", LoadSceneMode.Single);
+        LoadScene("Anchors");
-        SceneManager.LoadScene("ARCollaborationDataExample", LoadSceneMode.Single);
+        LoadScene("ARCollaborationDataExample");
-        SceneManager.LoadScene("ARKitCoachingOverlay", LoadSceneMode.Single);
+        LoadScene("ARKitCoachingOverlay");
-        SceneManager.LoadScene("ARWorldMap", LoadSceneMode.Single);
+        LoadScene("ARWorldMap");
-    public void CameraImageButtonPressed()
+    public void CpuImagesButtonPressed()
-        SceneManager.LoadScene("CameraImage", LoadSceneMode.Single);
+        LoadScene("CpuImages");
-        SceneManager.LoadScene("Check Support", LoadSceneMode.Single);
+        LoadScene("Check Support");
-        SceneManager.LoadScene("EnvironmentProbes", LoadSceneMode.Single);
+        LoadScene("EnvironmentProbes");
-        SceneManager.LoadScene("ObjectTracking", LoadSceneMode.Single);
+        LoadScene("ObjectTracking");
-        SceneManager.LoadScene("PlaneOcclusion", LoadSceneMode.Single);
+        LoadScene("PlaneOcclusion");
-        SceneManager.LoadScene("AllPointCloudPoints", LoadSceneMode.Single);
+        LoadScene("AllPointCloudPoints");
-        SceneManager.LoadScene("Scale", LoadSceneMode.Single);
+        LoadScene("Scale");
-        SceneManager.LoadScene("SampleUXScene", LoadSceneMode.Single);
+        LoadScene("SampleUXScene");
     }
 
     public void FaceTrackingMenuButtonPressed()
     }
     public void ARCoreFaceRegionsButtonPressed()
     {
-        SceneManager.LoadScene("ARCoreFaceRegions", LoadSceneMode.Single);
+        LoadScene("ARCoreFaceRegions");
-        SceneManager.LoadScene("ARKitFaceBlendShapes", LoadSceneMode.Single);
+        LoadScene("ARKitFaceBlendShapes");
-        SceneManager.LoadScene("EyeLasers", LoadSceneMode.Single);
+        LoadScene("EyeLasers");
-        SceneManager.LoadScene("EyePoses", LoadSceneMode.Single);
+        LoadScene("EyePoses");
-        SceneManager.LoadScene("FaceMesh", LoadSceneMode.Single);
+        LoadScene("FaceMesh");
-        SceneManager.LoadScene("FacePose", LoadSceneMode.Single);
+        LoadScene("FacePose");
-        SceneManager.LoadScene("FixationPoint", LoadSceneMode.Single);
+        LoadScene("FixationPoint");
-        SceneManager.LoadScene("WorldCameraWithUserFacingFaceTracking", LoadSceneMode.Single);
+        LoadScene("WorldCameraWithUserFacingFaceTracking");
     }
 
     public void HumanSegmentationMenuButtonPressed()
     }
     public void HumanSegmentation2DButtonPressed()
     {
-        SceneManager.LoadScene("HumanBodyTracking2D", LoadSceneMode.Single);
+        LoadScene("HumanBodyTracking2D");
-        SceneManager.LoadScene("HumanBodyTracking3D", LoadSceneMode.Single);
+        LoadScene("HumanBodyTracking3D");
-        SceneManager.LoadScene("HumanSegmentationImages", LoadSceneMode.Single);
+        LoadScene("HumanSegmentationImages");
-        SceneManager.LoadScene("LightEstimation", LoadSceneMode.Single);
+        LoadScene("LightEstimation");
     }
 
     public void PlaneDetectionMenuButtonPressed()
     }
     public void FeatheredPlanesButtonPressed()
     {
-        SceneManager.LoadScene("FeatheredPlanes", LoadSceneMode.Single);
+        LoadScene("FeatheredPlanes");
-        SceneManager.LoadScene("PlaneClassification", LoadSceneMode.Single);
+        LoadScene("PlaneClassification");
-        SceneManager.LoadScene("TogglePlaneDetection", LoadSceneMode.Single);
+        LoadScene("TogglePlaneDetection");
     }
 
 

Assets/Scripts/UX/BackButton.cs

 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.SceneManagement;
+using UnityEngine.XR.ARFoundation;
+using UnityEngine.XR.Management;
 
 public class BackButton : MonoBehaviour
 {
         get { return m_BackButton; }
         set { m_BackButton = value; }
     }
-    
+
     void Start()
     {
          if (Application.CanStreamedLevelBeLoaded("Menu"))
     }
 
     public void BackButtonPressed()
-    {   
+    {
+        LoaderUtility.Deinitialize();
     }
 }