Add macOS support

.github/workflows/actions.yml

@@ -29,15 +29,31 @@ jobs:
           dotnet tool update --global boots --version 1.0.4.624
           boots --preview Xamarin.Android
 
+      - name: select Xcode 13 beta
+        run: |
+          set -x
+          sudo xcode-select -s /Applications/Xcode_13.0_beta.app
+          mkdir -p ~/Library/Preferences/Xamarin
+          rm -f ~/Library/Preferences/Xamarin/Settings.plist
+          /usr/libexec/PlistBuddy -c "add :AppleSdkRoot string $(dirname $(dirname $(xcode-select -p)))" ~/Library/Preferences/Xamarin/Settings.plist || true
+          cat ~/Library/Preferences/Xamarin/Settings.plist || true
+
       - name: build SDK
         run: dotnet build Xamarin.Legacy.Sdk.sln -bl:bin/Xamarin.Legacy.Sdk.binlog
 
       - name: build samples
         run: dotnet build samples/samples.sln -bl:bin/samples.binlog
 
+      - name: fix missing NuGet source
+        run: mkdir -p bin/Debug
+
+      - name: build HelloMac sample
+        run: dotnet build samples/HelloMac/HelloMac.csproj -bl:bin/HelloMac.binlog
+
       - name: artifacts
         uses: actions/upload-artifact@v2
         with:
           name: artifacts
           path: bin
+          if: always()
           if-no-files-found: error

samples/HelloMac/AppDelegate.cs

@@ -0,0 +1,17 @@
+using AppKit;
+using Foundation;
+
+namespace HelloMac {
+	[Register ("AppDelegate")]
+	public class AppDelegate : NSApplicationDelegate {
+		public override void DidFinishLaunching (NSNotification notification)
+		{
+			// Insert code here to initialize your application
+		}
+
+		public override void WillTerminate (NSNotification notification)
+		{
+			// Insert code here to tear down your application
+		}
+	}
+}

samples/HelloMac/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images": [
+    {
+      "filename": "AppIcon-16.png",
+      "size": "16x16",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-16@2x.png",
+      "size": "16x16",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-32.png",
+      "size": "32x32",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-32@2x.png",
+      "size": "32x32",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-128.png",
+      "size": "128x128",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-128@2x.png",
+      "size": "128x128",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-256.png",
+      "size": "256x256",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-256@2x.png",
+      "size": "256x256",
+      "scale": "2x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-512.png",
+      "size": "512x512",
+      "scale": "1x",
+      "idiom": "mac"
+    },
+    {
+      "filename": "AppIcon-512@2x.png",
+      "size": "512x512",
+      "scale": "2x",
+      "idiom": "mac"
+    }
+  ],
+  "info": {
+    "version": 1,
+    "author": "xcode"
+  }
+}

samples/HelloMac/Assets.xcassets/Contents.json

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

samples/HelloMac/Entitlements.plist

@@ -0,0 +1,6 @@
+<?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>
+</dict>
+</plist>

samples/HelloMac/HelloMac.csproj

@@ -0,0 +1,7 @@
+<Project Sdk="Xamarin.Legacy.Sdk">
+  <PropertyGroup>
+    <TargetFrameworks>xamarinmac2.0;net6.0-macos</TargetFrameworks>
+    <OutputType>Exe</OutputType>
+    <RuntimeIdentifier>osx-x64</RuntimeIdentifier>
+  </PropertyGroup>
+</Project>

samples/HelloMac/Info.plist

@@ -0,0 +1,32 @@
+<?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>CFBundleName</key>
+	<string>HelloMac</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.companyname.HelloMac</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.14</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>${AuthorCopyright:HtmlEncode}</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>NSMainStoryboardFile</key>
+	<string>Main</string>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/AppIcon.appiconset</string>
+</dict>
+</plist>

samples/HelloMac/Main.cs

@@ -0,0 +1,11 @@
+using AppKit;
+
+namespace HelloMac {
+	static class Application {
+		static void Main (string [] args)
+		{
+			NSApplication.Init ();
+			NSApplication.Main (args);
+		}
+	}
+}