Part 8b: visionOS

AppShared/Assets.xcassets/AppIcon.solidimagestack/Back.solidimagestacklayer/Content.imageset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "filename" : "visionos_icon_back@2x.png",
+      "idiom" : "reality",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Back.solidimagestacklayer/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Contents.json

@@ -0,0 +1,17 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "layers" : [
+    {
+      "filename" : "Front.solidimagestacklayer"
+    },
+    {
+      "filename" : "Middle.solidimagestacklayer"
+    },
+    {
+      "filename" : "Back.solidimagestacklayer"
+    }
+  ]
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Front.solidimagestacklayer/Content.imageset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "filename" : "visionos_icon_front@2x.png",
+      "idiom" : "reality",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Front.solidimagestacklayer/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Middle.solidimagestacklayer/Content.imageset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "idiom" : "reality",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/Assets.xcassets/AppIcon.solidimagestack/Middle.solidimagestacklayer/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

AppShared/ContentView.swift

@@ -11,7 +11,7 @@ struct ContentView: View {
     var body: some View {
         #if os(iOS) // iOS can add and remove
             ListOfThingsView()
-        #elseif os(tvOS) || os(watchOS) ||  os(macOS) // macOS and tvOS and watchOS just show a readonly list
+        #else // macOS and tvOS and watchOS (and visionOS) just show a readonly list
             SimpleListOfThingsView()
         #endif
     }

AppShared/JustOneThingApp.swift

@@ -9,7 +9,7 @@ import SwiftUI
 
 @main
 struct JustOneThingApp: App {
-    let persistenceController = PersistenceController.shared
+    let persistenceController = PersistenceController.preview // or PersistenceController.shared
     var body: some Scene {
         WindowGroup {
             ContentView()

JustOneThing.xcodeproj/project.pbxproj

@@ -17,9 +17,6 @@
 		5416C7392A56A867002196EE /* InterfaceExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5416C7372A56A867002196EE /* InterfaceExtensions.swift */; };
 		5416C73A2A56A867002196EE /* InterfaceExtensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5416C7372A56A867002196EE /* InterfaceExtensions.swift */; };
 		5431ED7A2A2A77CA00515680 /* JustOneThingWatch.app in Embed Watch Content */ = {isa = PBXBuildFile; fileRef = 5431ED6D2A2A77C900515680 /* JustOneThingWatch.app */; platformFilter = ios; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
-		545A50F32A6335D400CD3924 /* PersistentThingExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 545A50F02A6335D400CD3924 /* PersistentThingExtension.swift */; };
-		545A50F42A6335D400CD3924 /* PersistentThingExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 545A50F02A6335D400CD3924 /* PersistentThingExtension.swift */; };
-		545A50F52A6335D400CD3924 /* PersistentThingExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 545A50F02A6335D400CD3924 /* PersistentThingExtension.swift */; };
 		5472018C2A36563A005B2FCC /* WidgetAssets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 54928C372A35F8B800095445 /* WidgetAssets.xcassets */; };
 		5472018E2A36563B005B2FCC /* Widget.intentdefinition in Sources */ = {isa = PBXBuildFile; fileRef = 54928C1C2A35F89900095445 /* Widget.intentdefinition */; };
 		547201902A36563C005B2FCC /* Widget.intentdefinition in Sources */ = {isa = PBXBuildFile; fileRef = 54928C1C2A35F89900095445 /* Widget.intentdefinition */; };
@@ -144,7 +141,6 @@
 		5431ED6D2A2A77C900515680 /* JustOneThingWatch.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = JustOneThingWatch.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		5432A6032A582D5D00FE2351 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		5432A6042A582D6D00FE2351 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		545A50F02A6335D400CD3924 /* PersistentThingExtension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PersistentThingExtension.swift; sourceTree = "<group>"; };
 		547201942A461554005B2FCC /* PhoneWidget.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = PhoneWidget.entitlements; sourceTree = "<group>"; };
 		547201952A461558005B2FCC /* WatchWidget.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = WatchWidget.entitlements; sourceTree = "<group>"; };
 		548390372A2A773900BF5624 /* JustOneThing.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = JustOneThing.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -345,7 +341,6 @@
 			children = (
 				54AE283F2A5823D900719A56 /* JustOneThingCloudModel.xcdatamodeld */,
 				54AE28462A58245700719A56 /* PersistenceController.swift */,
-				545A50F02A6335D400CD3924 /* PersistentThingExtension.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -572,7 +567,6 @@
 				54AE28492A58245700719A56 /* PersistenceController.swift in Sources */,
 				54EB3C1F2A5434A30082B059 /* Thing.swift in Sources */,
 				54928C212A35F89A00095445 /* Widget.intentdefinition in Sources */,
-				545A50F32A6335D400CD3924 /* PersistentThingExtension.swift in Sources */,
 				5493A81B2A471E37001EBA08 /* JustOneThingProvider.swift in Sources */,
 				54BD36092A5700480022D6BE /* ThingView.swift in Sources */,
 				54BD360D2A57020E0022D6BE /* WidgetBundle.swift in Sources */,
@@ -596,7 +590,6 @@
 				5416C7392A56A867002196EE /* InterfaceExtensions.swift in Sources */,
 				5472018E2A36563B005B2FCC /* Widget.intentdefinition in Sources */,
 				54AE284A2A58245700719A56 /* PersistenceController.swift in Sources */,
-				545A50F42A6335D400CD3924 /* PersistentThingExtension.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -607,7 +600,6 @@
 				54AE284B2A58245700719A56 /* PersistenceController.swift in Sources */,
 				54BD36132A57021E0022D6BE /* AccessoryWidget.swift in Sources */,
 				54EB3C212A5434A30082B059 /* Thing.swift in Sources */,
-				545A50F52A6335D400CD3924 /* PersistentThingExtension.swift in Sources */,
 				547201902A36563C005B2FCC /* Widget.intentdefinition in Sources */,
 				5493A81D2A471E37001EBA08 /* JustOneThingProvider.swift in Sources */,
 				54BD360B2A5700480022D6BE /* ThingView.swift in Sources */,
@@ -857,12 +849,12 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.alancfrancis.apps.JustOneThing;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
-				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx";
+				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx xros xrsimulator";
 				SUPPORTS_MACCATALYST = NO;
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2,3";
+				TARGETED_DEVICE_FAMILY = "1,2,3,7";
 			};
 			name = Debug;
 		};
@@ -899,12 +891,12 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.alancfrancis.apps.JustOneThing;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = auto;
-				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx";
+				SUPPORTED_PLATFORMS = "appletvos appletvsimulator iphoneos iphonesimulator macosx xros xrsimulator";
 				SUPPORTS_MACCATALYST = NO;
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2,3";
+				TARGETED_DEVICE_FAMILY = "1,2,3,7";
 			};
 			name = Release;
 		};
@@ -996,6 +988,10 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -1026,6 +1022,10 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";

Model/PersistentThingExtension.swift

@@ -1,23 +0,0 @@
-//
-//  PersistentThingExtension.swift
-//  JustOneThing
-//
-//  Created by Alan Francis on 15/07/2023.
-//
-
-import CoreData
-
-extension PersistentThing {
-    var asThing: Thing {
-        get {
-            Thing(text: self.text ?? "[no text]",
-                  createdAt: self.createdAt ?? Date.distantPast)
-        }
-    }
-    
-    static var request: NSFetchRequest<PersistentThing> {
-        get {
-            return NSFetchRequest<PersistentThing>(entityName: PersistentThing.entity().name!)
-        }
-    }
-}

WidgetShared/JustOneThingProvider.swift

@@ -9,25 +9,6 @@ import WidgetKit
 import SwiftUI
 import Intents
 
-class ThingCoreDataStore {
-    let managedObjectContext = PersistenceController.shared.viewContext
-    
-    public var things:[Thing] {
-        do {
-            return try managedObjectContext.fetch(PersistentThing.request).map { persistentThing in
-                persistentThing.asThing
-            }
-        }
-        catch {
-            return []
-        }
-    }
-    
-    public var shuffledThings:[Thing] {
-        return self.things.shuffled()
-    }
-}
-
 struct ThingDataStore {
     public var things:[Thing] = [
         Thing(text: "Eat", createdAt: Date()),
@@ -51,7 +32,7 @@ extension Date {
 }
 
 struct ThingProvider: IntentTimelineProvider {
-    var thingStore = ThingCoreDataStore()
+    var thingStore:ThingDataStore = ThingDataStore()
     
     func placeholder(in context: Context) -> ThingEntry {
         ThingEntry(thing: .placeholder)