Initial Commit

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

.swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Demo/NFC Read-Write.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Demo/NFC Read-Write/Assets.xcassets/AccentColor.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "display-p3",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.292",
+          "green" : "0.342",
+          "red" : "0.136"
+        }
+      },
+      "idiom" : "universal"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "color" : {
+        "color-space" : "display-p3",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.432",
+          "green" : "0.845",
+          "red" : "0.136"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Demo/NFC Read-Write/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Demo/NFC Read-Write/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Demo/NFC Read-Write/ContentView.swift

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+//
+//  ContentView.swift
+//  NFC Read-Write
+//
+//  Created by Ming on 1/1/2023.
+//
+
+import SwiftUI
+import SwiftNFC
+
+struct ContentView: View {
+    @ObservedObject var NFCR = NFCReader()
+    @ObservedObject var NFCW = NFCWriter()
+
+    var editor: some View {
+        TextEditor(text: $NFCR.msg)
+            .font(.title)
+            .padding(.top, 50)
+            .padding(15)
+            .background(Color.accentColor.opacity(0.5))
+    }
+    var editorRaw: some View {
+        TextEditor(text: $NFCR.raw)
+            .padding(15)
+            .background(Color.red.opacity(0.5))
+    }
+
+    var body: some View {
+        VStack(spacing: 0) {
+            VStack(spacing: 0) {
+                if #available(iOS 16.0, *) {
+                    editor
+                        .scrollContentBackground(.hidden)
+                    option
+                    editorRaw
+                        .scrollContentBackground(.hidden)
+                } else {
+                    // Fallback on earlier versions
+                    editor
+                    option
+                    editorRaw
+                }
+            }
+            action
+                .frame(height: 75)
+        }
+        .ignoresSafeArea(.all)
+        .onTapGesture(count: 2) {
+            UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+        }
+    }
+
+    var option: some View {
+        HStack {
+            Picker(selection: $NFCW.type, label: Text("Type Picker")) {
+                Text("Text").tag("T")
+                Text("Link").tag("U")
+            }
+            Spacer()
+            Button(action: {
+                UIApplication.shared.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
+            }) {
+                Text("Close Keyboard")
+            }
+        }.padding(.horizontal)
+    }
+
+    var action: some View {
+        HStack(spacing: 0) {
+            Button (action: { read() }) {
+                ZStack {
+                    Color.blue.opacity(0.85)
+                    Label("Read NFC", systemImage: "wave.3.left.circle.fill")
+                        .foregroundColor(.white)
+                        .padding(.top, 15)
+                        .padding(.bottom, 35)
+                }
+            }
+            Button (action: { write() }) {
+                ZStack {
+                    Color.accentColor.opacity(0.85)
+                    Label("Write NFC", systemImage: "wave.3.left.circle.fill")
+                        .foregroundColor(.white)
+                        .padding(.top, 15)
+                        .padding(.bottom, 35)
+                }
+            }
+        }
+    }
+
+    func read() {
+        NFCR.read()
+    }
+
+    func write() {
+        NFCW.msg = NFCR.msg
+        NFCW.write()
+    }
+}
+
+struct ContentView_Previews: PreviewProvider {
+    static var previews: some View {
+        ContentView()
+    }
+}

Demo/NFC Read-Write/NFC_Read_Write.entitlements

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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>com.apple.developer.nfc.readersession.formats</key>
+	<array>
+		<string>TAG</string>
+	</array>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
+</dict>
+</plist>

Demo/NFC Read-Write/NFC_Read_WriteApp.swift

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+//
+//  NFC_Read_WriteApp.swift
+//  NFC Read-Write
+//
+//  Created by Ming on 1/1/2023.
+//
+
+import SwiftUI
+
+@main
+struct NFC_Read_WriteApp: App {
+    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}
+
+class AppDelegate: UIResponder, UIApplicationDelegate {
+    var window: UIWindow?
+
+    func application(_ application: UIApplication,
+                     continue userActivity: NSUserActivity,
+                     restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool {
+        guard userActivity.activityType == NSUserActivityTypeBrowsingWeb else {
+            return false
+        }
+
+        // Confirm that the NSUserActivity object contains a valid NDEF message.
+        let ndefMessage = userActivity.ndefMessagePayload
+        guard !ndefMessage.records.isEmpty,
+            ndefMessage.records[0].typeNameFormat != .empty else {
+                return false
+        }
+
+        return true
+    }
+}

Demo/NFC Read-Write/Preview Content/Preview Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Demo/NFC-Read-Write-Info.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>UIBackgroundModes</key>
+	<array>
+		<string>nearby-interaction</string>
+	</array>
+</dict>
+</plist>

Package.swift

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+// swift-tools-version: 5.4
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+//
+//  Created by Ming on 9/1/2023.
+//
+
+import PackageDescription
+
+let package = Package(
+    name: "SwiftNFC",
+    platforms: [
+        .iOS(.v13)
+    ],
+    products: [
+        .library(
+            name: "SwiftNFC",
+            targets: ["SwiftNFC"]),
+    ],
+    dependencies: [
+    ],
+    targets: [
+        .target(
+            name: "SwiftNFC",
+            dependencies: [])
+    ]
+)

README.md

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+# SwiftNFC - Powerful Read+Write in few lines of Coding