feat(ios): add Swift Package Manager support

.gitignore

@@ -131,3 +131,7 @@ app.*.symbols
 
 # don't check in golden failure output
 **/failures/*.png
+
+# Swift Package Manager
+.build/
+.swiftpm/

ios/.gitignore

@@ -34,4 +34,7 @@ Icon?
 .tags*
 
 /Flutter/Generated.xcconfig
-/Flutter/flutter_export_environment.sh
+/Flutter/flutter_export_environment.sh
+
+.build/
+.swiftpm/

ios/home_widget.podspec

@@ -13,7 +13,8 @@ A new flutter plugin project.
   s.license          = { :file => '../LICENSE' }
   s.author           = { 'Your Company' => 'email@example.com' }
   s.source           = { :path => '.' }
-  s.source_files = 'Classes/**/*'
+  s.source_files = 'home_widget/Sources/**/*.{h,m,swift}'
+  s.public_header_files = 'home_widget/Sources/home_widget/include/home_widget/**/*.h'
   s.dependency 'Flutter'
   s.platform = :ios, '11.0'
 

ios/home_widget/Package.swift

@@ -0,0 +1,33 @@
+// swift-tools-version: 5.9
+import PackageDescription
+
+let package = Package(
+    name: "home_widget",
+    platforms: [
+        .iOS("13.0")
+    ],
+    products: [
+        .library(name: "home-widget", targets: ["home_widget"])
+    ],
+    dependencies: [
+        .package(name: "FlutterFramework", path: "../FlutterFramework")
+    ],
+    targets: [
+        .target(
+            name: "home_widget_swift",
+            dependencies: [
+                .product(name: "FlutterFramework", package: "FlutterFramework")
+            ]
+        ),
+        .target(
+            name: "home_widget",
+            dependencies: [
+                "home_widget_swift",
+                .product(name: "FlutterFramework", package: "FlutterFramework")
+            ],
+            cSettings: [
+                .headerSearchPath("include/home_widget")
+            ]
+        )
+    ]
+)

ios/Classes/HomeWidgetPlugin.m → ios/home_widget/Sources/home_widget/HomeWidgetPlugin.m

@@ -1,4 +1,7 @@
 #import "HomeWidgetPlugin.h"
+#if SWIFT_PACKAGE
+@import home_widget_swift;
+#else
 #if __has_include(<home_widget/home_widget-Swift.h>)
 #import <home_widget/home_widget-Swift.h>
 #else
@@ -7,6 +10,7 @@
 // https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816
 #import "home_widget-Swift.h"
 #endif
+#endif
 
 @implementation HomeWidgetPlugin
 + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {

ios/Classes/HomeWidgetBackgroundWorker.swift → ios/home_widget/Sources/home_widget_swift/HomeWidgetBackgroundWorker.swift

@@ -59,7 +59,7 @@ public struct HomeWidgetBackgroundWorker {
     if registerPlugins != nil {
       registerPlugins?(engine!)
     } else {
-      HomeWidgetPlugin.register(with: engine!.registrar(forPlugin: "home_widget")!)
+      SwiftHomeWidgetPlugin.register(with: engine!.registrar(forPlugin: "home_widget")!)
     }
 
     channel?.setMethodCallHandler(handle)