feat: visionOS ver

Oh My Flag/Oh My Flag.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Oh My Flag/Oh My Flag.xcodeproj/xcuserdata/yongfrank.xcuserdatad/xcschemes/xcschememanagement.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Oh My Flag.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

Oh My Flag/Oh My Flag/App/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,15 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "platform" : "universal",
+        "reference" : "systemBlueColor"
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Oh My Flag/Oh My Flag/App/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "AppIcon.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Oh My Flag/Oh My Flag/App/Assets.xcassets/Contents.json

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

Oh My Flag/Oh My Flag/App/ContentView.swift

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+//
+//  ContentView.swift
+//  OhMyFlag
+//
+//  Created by Frank Chu on 4/10/22.
+//
+
+import SwiftUI
+//#-learning-task(Gallery)
+//#-learning-task(Quiz)
+//#-learning-task(Drawing)
+struct ContentView: View {
+    @FetchRequest(sortDescriptors: []) var flagsInContentView: FetchedResults<FlagEntities>
+    @Environment(\.managedObjectContext) var mocInContentView
+
+    @State private var showWhatsNew = false
+
+    // MARK: - Body
+
+    var body: some View {
+        TabView {
+            /*#-code-walkthrough(1.1)*/
+            FlagGallery(showWhatsNew: $showWhatsNew)
+                .tabItem {
+                    Label("Gallery", systemImage: "house")
+                }
+            /*#-code-walkthrough(1.1)*/
+            /*#-code-walkthrough(2.1)*/
+            QuizFlag()
+                .tabItem {
+                    Label("Quiz", systemImage: "lightbulb")
+                }
+            /*#-code-walkthrough(2.1)*/
+            /*#-code-walkthrough(3.1)*/
+            DrawingFlag()
+                .tabItem {
+                    Label("Drawing", systemImage: "scribble")
+                }
+            /*#-code-walkthrough(3.1)*/
+        }
+        .sheet(isPresented: $showWhatsNew) {
+            NewVerWhatsNew()
+        }
+        .onAppear() {
+            showWhatsNew = checkForUpdate()
+            if showWhatsNew {
+                addTemplateFlag()
+            }
+        }
+
+    // MARK: -
+
+//        .onAppear {
+//            UIDevice.current.setValue(UIInterfaceOrientation.portrait.rawValue, forKey: "orientation") // Forcing the rotation to portrait
+//            AppDelegate.orientationLock = .landscape // And making sure it stays that way
+//        }.onDisappear {
+//            AppDelegate.orientationLock = .all // Unlocking the rotation when leaving the view
+//        }
+    }
+    func addTemplateFlag() {
+        let newFlag = FlagEntities(context: mocInContentView)
+        newFlag.id = UUID()
+        newFlag.emojiFlag = "🇨🇭"
+        newFlag.nameFlag = "Switzerland"
+        newFlag.shortIntro = "White Across in a Red Square"
+        newFlag.detailedIntro = "Mar 12, 2020\nIn the history class, we learned about Switzerland. The history of this area is fascinating.\n\nDec 8, 2020: \nA year ago, I went to Switzerland. I hope that pandemic will end soon. I want to travel again!😭\n\nDec 9, 2019: Grindelwald First \nIt's the best time of my trip. Cable car🚠, glider, cliff🏔! \n\nDec 8, 2019: Zurich, a beautiful city in the Switzerland \n🌁 Panorama bridge Sigriswil, what a sophisticated bridge. I love the structure of this bridge!"
+
+        try? mocInContentView.save()
+    }
+
+}
+
+struct ContentView_Previews: PreviewProvider {
+    static var previews: some View {
+        ContentView()
+    }
+}
+
+func emojiFlag(regionCode: String) -> String? {
+    let code = regionCode.uppercased()
+
+    guard Locale.isoRegionCodes.contains(code) else {
+        return nil
+    }
+
+    var flagString = ""
+    for s in code.unicodeScalars {
+        guard let scalar = UnicodeScalar(127397 + s.value) else {
+            continue
+        }
+        flagString.append(String(scalar))
+    }
+    return flagString
+}
+
+func countryName(from countryCode: String) -> String {
+    if let name = (Locale.current as NSLocale).displayName(forKey: .countryCode, value: countryCode) {
+        // Country name was found
+        return name
+    } else {
+        // Country name cannot be found
+        return countryCode
+    }
+}

Oh My Flag/Oh My Flag/App/Core Data/EmojiTextField.swift

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+//
+//  EmojiTextField.swift
+//  OhMyFlag
+//
+//  Created by Frank Chu on 4/10/22.
+//
+
+import SwiftUI
+//import Foundation
+
+// https://stackoverflow.com/questions/66397828/emoji-keyboard-swiftui
+class UIEmojiTextField: UITextField {
+
+    override func awakeFromNib() {
+        super.awakeFromNib()
+    }
+
+    func setEmoji() {
+        _ = self.textInputMode
+    }
+
+    override var textInputContextIdentifier: String? {
+        return ""
+    }
+
+    override var textInputMode: UITextInputMode? {
+        for mode in UITextInputMode.activeInputModes {
+            if mode.primaryLanguage == "emoji" {
+                self.keyboardType = .default // do not remove this
+                return mode
+            }
+        }
+        return nil
+    }
+}
+
+struct EmojiTextField: UIViewRepresentable {
+    @Binding var text: String
+    var placeholder: String = ""
+
+    func makeUIView(context: Context) -> UIEmojiTextField {
+        let emojiTextField = UIEmojiTextField()
+        emojiTextField.placeholder = placeholder
+        emojiTextField.text = text
+        emojiTextField.delegate = context.coordinator
+        return emojiTextField
+    }
+
+    func updateUIView(_ uiView: UIEmojiTextField, context: Context) {
+        uiView.text = text
+    }
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(parent: self)
+    }
+
+    class Coordinator: NSObject, UITextFieldDelegate {
+        var parent: EmojiTextField
+
+        init(parent: EmojiTextField) {
+            self.parent = parent
+        }
+
+        func textFieldDidChangeSelection(_ textField: UITextField) {
+            DispatchQueue.main.async { [weak self] in
+                self?.parent.text = textField.text ?? ""
+            }
+        }
+    }
+}

Oh My Flag/Oh My Flag/App/Core Data/Flag CoreData.swift

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+import SwiftUI
+import CoreData
+
+@objc(FlagEntities)
+
+public class FlagEntities: NSManagedObject {
+    @NSManaged public var id: UUID
+    @NSManaged public var emojiFlag: String
+    @NSManaged public var nameFlag: String
+    @NSManaged public var shortIntro: String
+    @NSManaged public var detailedIntro: String
+}
+
+extension FlagEntities: Identifiable {
+
+}

Oh My Flag/Oh My Flag/App/Core Data/Persistence.swift

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+import SwiftUI
+import CoreData
+
+struct PersistenceController {
+    static let shared = PersistenceController()
+
+    static var preview: PersistenceController = {
+        let result = PersistenceController(inMemory: true)
+        let viewContext = result.container.viewContext
+        for index in 0..<10 {
+//            let newItem = Item(context: viewContext)
+//            newItem.timestamp = Date()
+        }
+        do {
+            try viewContext.save()
+        } catch {
+            // Replace this implementation with code to handle the error appropriately.
+            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+            let nsError = error as NSError
+            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
+        }
+        return result
+    }()
+
+    let container: NSPersistentContainer
+
+    init(inMemory: Bool = false) {
+        let flagEntities = NSEntityDescription()
+        flagEntities.name = "FlagEntities"
+        flagEntities.managedObjectClassName = "FlagEntities"
+
+        let idAttribute = NSAttributeDescription()
+        idAttribute.name = "id"
+        idAttribute.type = .uuid
+        flagEntities.properties.append(idAttribute)
+
+        let nameFlagAttribute = NSAttributeDescription()
+        nameFlagAttribute.name = "nameFlag"
+        nameFlagAttribute.type = .string
+        flagEntities.properties.append(nameFlagAttribute)
+
+        let emojiFlagAttribute = NSAttributeDescription()
+        emojiFlagAttribute.name = "emojiFlag"
+        emojiFlagAttribute.type = .string
+        flagEntities.properties.append(emojiFlagAttribute)
+
+        let shortIntroAttribute = NSAttributeDescription()
+        shortIntroAttribute.name = "shortIntro"
+        shortIntroAttribute.type = .string
+        flagEntities.properties.append(shortIntroAttribute)
+
+        let detailedIntroAttribute = NSAttributeDescription()
+        detailedIntroAttribute.name = "detailedIntro"
+        detailedIntroAttribute.type = .string
+        flagEntities.properties.append(detailedIntroAttribute)
+
+        let model = NSManagedObjectModel()
+        model.entities = [flagEntities]
+
+
+        container = NSPersistentContainer(name: "OhMyFlag", managedObjectModel: model)
+        if inMemory {
+            container.persistentStoreDescriptions.first!.url = URL(fileURLWithPath: "/dev/null")
+        }
+        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
+            if let error = error as NSError? {
+                // Replace this implementation with code to handle the error appropriately.
+                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+
+                /*
+                 Typical reasons for an error here include:
+                 * The parent directory does not exist, cannot be created, or disallows writing.
+                 * The persistent store is not accessible, due to permissions or data protection when the device is locked.
+                 * The device is out of space.
+                 * The store could not be migrated to the current model version.
+                 Check the error message to determine what the actual problem was.
+                 */
+                fatalError("Unresolved error \(error), \(error.userInfo)")
+            }
+        })
+        container.viewContext.automaticallyMergesChangesFromParent = true
+    }
+}
+

Oh My Flag/Oh My Flag/App/Custom View/BadgeFlagView.swift

@@ -0,0 +1,49 @@
+//
+//  BadgeFlagView.swift
+//  OhMyFlag
+//
+//  Created by Frank Chu on 4/10/22.
+//
+
+import SwiftUI
+import CoreData
+
+struct BadgeFlagView: View {
+//    @FetchRequest(sortDescriptors: []) var flagsBadgeView: FetchedResults<FlagEntities>
+//    @Environment(\.managedObjectContext) var mocInBadgeFlagView
+    let flag: FlagEntities
+    var body: some View {
+
+        VStack {
+            Text(flag.emojiFlag)
+                .frame(height: 96)
+                .font(.system(size: 96))
+                .padding()
+
+            VStack {
+                Text(flag.nameFlag)
+                    .font(.headline)
+                    .foregroundColor(.white)
+
+                Text(flag.shortIntro)
+                    .font(.caption)
+                    .foregroundColor(.white.opacity(0.5))
+            }
+            .frame(maxWidth: .infinity)
+            .padding(.vertical)
+            .background(.lightBackground)
+        }
+        .clipShape(RoundedRectangle(cornerRadius: 10))
+        .overlay(
+            RoundedRectangle(cornerRadius: 10)
+                .stroke(.lightBackground)
+        )
+    }
+
+}
+
+//struct BadgeFlagView_Previews: PreviewProvider {
+//    static var previews: some View {
+//        BadgeFlagView()
+//    }
+//}