Add "Creating a macOS App"

Author: WillieWangWei

Framework-Integration/Models/Landmark.swift

@@ -18,6 +18,7 @@ struct Landmark: Hashable, Codable, Identifiable {
     var category: Category
     var isFavorite: Bool
     var isFeatured: Bool
+    var description: String
 
     var locationCoordinate: CLLocationCoordinate2D {
         CLLocationCoordinate2D(

Framework-Integration/Resources/landmarkData.json

@@ -9,12 +9,13 @@ import SwiftUI
 
 struct CircleImage: View {
     var image: Image
+    var shadowRadius: CGFloat = 10
 
     var body: some View {
         image
             .clipShape(Circle())
             .overlay(Circle().stroke(Color.white, lineWidth: 4))
-            .shadow(radius: 10)
+            .shadow(radius: shadowRadius)
     }
 }
 

Framework-Integration/Supporting Views/CircleImage.swift

@@ -8,20 +8,46 @@ A view that hosts an `MKMapView`.
 import SwiftUI
 import MapKit
 
-struct MapView: UIViewRepresentable {
+struct MapView {
     var coordinate: CLLocationCoordinate2D
 
-    func makeUIView(context: Context) -> MKMapView {
+    func makeMapView() -> MKMapView {
         MKMapView(frame: .zero)
     }
 
-    func updateUIView(_ view: MKMapView, context: Context) {
+    func updateMapView(_ view: MKMapView, context: Context) {
         let span = MKCoordinateSpan(latitudeDelta: 0.02, longitudeDelta: 0.02)
         let region = MKCoordinateRegion(center: coordinate, span: span)
         view.setRegion(region, animated: true)
     }
 }
 
+#if os(macOS)
+
+extension MapView: NSViewRepresentable {
+    func makeNSView(context: Context) -> MKMapView {
+        makeMapView()
+    }
+    
+    func updateNSView(_ nsView: MKMapView, context: Context) {
+        updateMapView(nsView, context: context)
+    }
+}
+
+#else
+
+extension MapView: UIViewRepresentable {
+    func makeUIView(context: Context) -> MKMapView {
+        makeMapView()
+    }
+    
+    func updateUIView(_ uiView: MKMapView, context: Context) {
+        updateMapView(uiView, context: context)
+    }
+}
+
+#endif
+
 struct MapView_Previews: PreviewProvider {
     static var previews: some View {
         MapView(coordinate: landmarkData[0].locationCoordinate)

Framework-Integration/Supporting Views/MapView.swift

@@ -0,0 +1,38 @@
+//
+//  AppDelegate.swift
+//  MacLandmarks
+//
+//  Created by 王炜 on 2020/2/6.
+//
+
+import Cocoa
+import SwiftUI
+
+@NSApplicationMain
+class AppDelegate: NSObject, NSApplicationDelegate {
+
+    var window: NSWindow!
+
+
+    func applicationDidFinishLaunching(_ aNotification: Notification) {
+        // Create the SwiftUI view that provides the window contents.
+        let contentView = ContentView().environmentObject(UserData())
+
+        // Create the window and set the content view. 
+        window = NSWindow(
+            contentRect: NSRect(x: 0, y: 0, width: 480, height: 300),
+            styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
+            backing: .buffered, defer: false)
+        window.center()
+        window.setFrameAutosaveName("Main Window")
+        window.contentView = NSHostingView(rootView: contentView)
+        window.makeKeyAndOrderFront(nil)
+    }
+
+    func applicationWillTerminate(_ aNotification: Notification) {
+        // Insert code here to tear down your application
+    }
+
+
+}
+

MacLandmarks/AppDelegate.swift

@@ -0,0 +1,58 @@
+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

MacLandmarks/Assets.xcassets/AppIcon.appiconset/Contents.json

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

MacLandmarks/Assets.xcassets/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "star-empty.pdf",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

MacLandmarks/Assets.xcassets/star-empty.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "star-filled.pdf",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}