fixed invalid object checking code, cleaned up references and fixed android settings to properly build 64 bit archetecture for the new ARCore requirements

Assets/UX/Scenes/UXManagerScene.unity

   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.17280708, g: 0.21594499, b: 0.29788813, a: 1}
+  m_IndirectSpecularColor: {r: 0.17280719, g: 0.21594538, b: 0.29788864, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
     m_Type: 2
     m_Resolution: 3
     m_CustomResolution: -1
-    m_Strength: 1
+    m_Strength: 0.4
     m_Bias: 0.05
     m_NormalBias: 0.4
     m_NearPlane: 0.2

Assets/UX/Scripts/UIManager.cs

     {
         if (m_ARSessionOrigin)
         {
-            if (m_ARSessionOrigin.GetComponent<ARPlaneManager>())
-                m_PlaneManager = m_ARSessionOrigin.GetComponent<ARPlaneManager>();
+            if (m_ARSessionOrigin.TryGetComponent(out ARPlaneManager arPlaneManager))
+            {
+                m_PlaneManager = arPlaneManager;
+            }
-            if (m_ARSessionOrigin.GetComponent<ARFaceManager>())
-                m_FaceManager = m_ARSessionOrigin.GetComponent<ARFaceManager>();
+            if (m_ARSessionOrigin.TryGetComponent(out ARFaceManager arFaceManager))
+            {
+                m_FaceManager = arFaceManager;
+            }
-            if (m_ARSessionOrigin.GetComponent<ARHumanBodyManager>())
-                m_BodyManager = m_ARSessionOrigin.GetComponent<ARHumanBodyManager>();
+            if (m_ARSessionOrigin.TryGetComponent(out ARHumanBodyManager arHumanBodyManager))
+            {
+                m_BodyManager = arHumanBodyManager;
+            }
-            if (m_ARSessionOrigin.GetComponent<ARTrackedImageManager>())
-                m_ImageManager = m_ARSessionOrigin.GetComponent<ARTrackedImageManager>();
+            if (m_ARSessionOrigin.TryGetComponent(out ARTrackedImageManager arTrackedImageManager))
+            {
+                m_ImageManager = arTrackedImageManager;
+            }
-            if (m_ARSessionOrigin.GetComponent<ARTrackedObjectManager>())
-                m_ObjectManager = m_ARSessionOrigin.GetComponent<ARTrackedObjectManager>();
+            if (m_ARSessionOrigin.TryGetComponent(out ARTrackedObjectManager arTrackedObjectManager))
+            {
+                m_ObjectManager = arTrackedObjectManager;
+            }
         }
     }
     
         }
     }
 
-    bool PlanesFound()
-    {
-        return m_PlaneManager?.trackables.count > 0;
-    }
-
-    bool MultiplePlanesFound()
-    { 
-        return m_PlaneManager?.trackables.count > 1;
-    }
+    bool PlanesFound() => m_PlaneManager && m_PlaneManager.trackables.count > 0;
-    bool FaceFound()
-    {
-        return m_FaceManager?.trackables.count > 0;
-    }
+    bool MultiplePlanesFound() => m_PlaneManager && m_PlaneManager.trackables.count > 1;
-    bool BodyFound()
-    {
-        return m_BodyManager?.trackables.count > 0;
-    }
+    bool FaceFound() => m_FaceManager && m_FaceManager.trackables.count > 0;
-    bool ImageFound()
-    {
-        return m_ImageManager?.trackables.count > 0;
-    }
+    bool BodyFound() => m_BodyManager && m_BodyManager.trackables.count > 0;
-    bool ObjectFound()
-    {
-        return m_ObjectManager?.trackables.count > 0;
-    }
+    bool ImageFound() => m_ImageManager && m_ImageManager.trackables.count > 0;
+    bool ObjectFound() => m_ObjectManager && m_ObjectManager.trackables.count > 0;
+    
     void FadeComplete()
     {
         m_ProcessingInstructions = false;

Packages/manifest.json

     "com.unity.ide.rider": "1.1.4",
     "com.unity.ide.vscode": "1.2.1",
     "com.unity.localization": "0.7.1-preview",
-    "com.unity.mobile.android-logcat": "1.1.1",
     "com.unity.render-pipelines.universal": "7.3.1",
     "com.unity.test-framework": "1.1.14",
     "com.unity.textmeshpro": "2.0.1",

Packages/packages-lock.json

       },
       "url": "https://packages.unity.com"
     },
-    "com.unity.mobile.android-logcat": {
-      "version": "1.1.1",
-      "depth": 0,
-      "source": "registry",
-      "dependencies": {},
-      "url": "https://packages.unity.com"
-    },
     "com.unity.nuget.newtonsoft-json": {
       "version": "1.1.2",
       "depth": 1,

ProjectSettings/ProjectSettings.asset

   applicationIdentifier: {}
   buildNumber: {}
   AndroidBundleVersionCode: 1
-  AndroidMinSdkVersion: 26
+  AndroidMinSdkVersion: 24
   AndroidTargetSdkVersion: 0
   AndroidPreferredInstallLocation: 1
   aotOptions: 
   clonedFromGUID: c0afd0d1d80e3634a9dac47e8a0426ea
   templatePackageId: com.unity.template.3d@4.2.5
   templateDefaultScene: Assets/Scenes/SampleScene.unity
-  AndroidTargetArchitectures: 1
+  AndroidTargetArchitectures: 2
   AndroidSplashScreenScale: 0
   androidSplashScreen: {fileID: 0}
   AndroidKeystoreName: 
     4: UNITY_XR_ARKIT_LOADER_ENABLED
   platformArchitecture:
     iPhone: 1
-  scriptingBackend: {}
+  scriptingBackend:
+    Android: 1
   il2cppCompilerConfiguration: {}
   managedStrippingLevel: {}
   incrementalIl2cppBuild: {}