Ignored web platform by default and added MacOS support

lib/flutter_app_badge_control_method_channel.dart

@@ -12,23 +12,38 @@ class MethodChannelFlutterAppBadgeControl
 
   @override
   Future<String?> getPlatformVersion() async {
+    if (kIsWeb) {
+      return 'Web';
+    }
     final version =
         await methodChannel.invokeMethod<String>('getPlatformVersion');
     return version;
   }
 
   @override
   Future<void> updateBadgeCount(int count) async {
+    if (kIsWeb) {
+      // Web doesn't support app badge count
+      return;
+    }
     return await methodChannel.invokeMethod<void>('updateBadgeCount', count);
   }
 
   @override
   Future<void> removeBadge() async {
+    if (kIsWeb) {
+      // Web doesn't support app badge removal
+      return;
+    }
     return await methodChannel.invokeMethod<void>('removeBadge');
   }
 
   @override
   Future<bool> isAppBadgeSupported() async {
+    if (kIsWeb) {
+      // Web doesn't support app badges
+      return false;
+    }
     final isSupported =
         await methodChannel.invokeMethod<bool>('isAppBadgeSupported');
     return isSupported ?? false;

macos/Classes/FlutterAppBadgeControlPlugin.swift

@@ -0,0 +1,41 @@
+import Cocoa
+import FlutterMacOS
+
+public class FlutterAppBadgeControlPlugin: NSObject, FlutterPlugin {
+  public static func register(with registrar: FlutterPluginRegistrar) {
+    let channel = FlutterMethodChannel(name: "flutter_app_badge_control", binaryMessenger: registrar.messenger)
+    let instance = FlutterAppBadgeControlPlugin()
+    registrar.addMethodCallDelegate(instance, channel: channel)
+  }
+
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+    switch call.method {
+    case "getPlatformVersion":
+      result("macOS " + ProcessInfo.processInfo.operatingSystemVersionString)
+    case "updateBadgeCount":
+      if let count = call.arguments as? Int {
+        updateBadgeCount(count: count)
+        result(nil)
+      } else {
+        result(FlutterError(code: "INVALID_ARGUMENT", message: "Invalid count value", details: nil))
+      }
+    case "removeBadge":
+      updateBadgeCount(count: 0)
+      result(nil)
+    case "isAppBadgeSupported":
+      result(true)
+    default:
+      result(FlutterMethodNotImplemented)
+    }
+  }
+
+  private func updateBadgeCount(count: Int) {
+    DispatchQueue.main.async {
+      if count > 0 {
+        NSApp.dockTile.badgeLabel = "\(count)"
+      } else {
+        NSApp.dockTile.badgeLabel = nil
+      }
+    }
+  }
+}

macos/flutter_app_badge_control.podspec

@@ -0,0 +1,22 @@
+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
+# Run `pod lib lint flutter_app_badge_control.podspec` to validate before publishing.
+#
+Pod::Spec.new do |s|
+  s.name             = 'flutter_app_badge_control'
+  s.version          = '0.0.1'
+  s.summary          = 'A new Flutter plugin project.'
+  s.description      = <<-DESC
+A new Flutter plugin project.
+                       DESC
+  s.homepage         = 'http://example.com'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'Your Company' => 'email@example.com' }
+  s.source           = { :path => '.' }
+  s.source_files = 'Classes/**/*'
+  s.dependency 'FlutterMacOS'
+
+  s.platform = :osx, '10.11'
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
+  s.swift_version = '5.0'
+end

pubspec.yaml

@@ -39,6 +39,8 @@ flutter:
         pluginClass: FlutterAppBadgeControlPlugin
       ios:
         pluginClass: FlutterAppBadgeControlPlugin
+      macos:
+        pluginClass: FlutterAppBadgeControlPlugin
 
   # To add assets to your plugin package, add an assets section, like this:
   # assets: