feat: add Swift Package Manager support for iOS

.github/workflows/ios-test.yaml

@@ -7,7 +7,7 @@ on:
     branches:
       - '*'
 jobs:
-  ios-test:
+  ios-test-cocoapods:
     runs-on: macos-latest
 
     env:
@@ -45,3 +45,36 @@ jobs:
 
       - run: echo API_KEY=${{ secrets.TEST_API_KEY }} > example/.env
       - run: cd example && flutter drive --driver=test_drive/integration_test.dart --target=test/widget_test.dart
+
+  ios-test-spm:
+    runs-on: macos-latest
+
+    env:
+      FLUTTER_CHANNEL: stable
+      FLUTTER_VERSION: 3.44.0
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Fetch submodules
+        run: git submodule update --init --recursive
+
+      - name: Copy Confidence sources for SPM
+        run: cp -r ios/Classes/confidence-sdk/Sources/Confidence ios/confidence_flutter_sdk/Sources/confidence_flutter_sdk/
+
+      - name: Isolate SPM package from parent git repo
+        run: git init ios/confidence_flutter_sdk
+
+      - uses: futureware-tech/simulator-action@v3
+        with:
+          model: 'iPhone 16'
+
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          channel: ${{ env.FLUTTER_CHANNEL }}
+
+      - run: echo API_KEY=${{ secrets.TEST_API_KEY }} > example/.env
+      - run: cd example && flutter drive --driver=test_drive/integration_test.dart --target=test/widget_test.dart

ios/confidence_flutter_sdk.podspec

@@ -5,19 +5,16 @@
 Pod::Spec.new do |s|
   s.name             = 'confidence_flutter_sdk'
   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.summary          = 'Flutter plugin for the Confidence SDK.'
+  s.description      = 'Flutter plugin for the Confidence SDK.'
+  s.homepage         = 'https://confidence.spotify.com'
   s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Your Company' => 'email@example.com' }
+  s.author           = { 'Confidence' => 'confidence@spotify.com' }
   s.source           = { :path => '.' }
-  s.source_files = 'Classes/**/*'
+  s.source_files = 'confidence_flutter_sdk/Sources/confidence_flutter_sdk/**/*.swift', 'Classes/Confidence/**/*.swift'
   s.dependency 'Flutter'
   s.platform = :ios, '14.0'
 
-  # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
   s.swift_version = '5.0'
 end

ios/confidence_flutter_sdk/.gitignore

@@ -0,0 +1,2 @@
+.build/
+Package.resolved

ios/confidence_flutter_sdk/Package.swift

@@ -0,0 +1,24 @@
+// swift-tools-version: 5.9
+
+import PackageDescription
+
+let package = Package(
+    name: "confidence_flutter_sdk",
+    platforms: [
+        .iOS("14.0"),
+    ],
+    products: [
+        .library(name: "confidence-flutter-sdk", targets: ["confidence_flutter_sdk"]),
+    ],
+    dependencies: [
+        .package(name: "FlutterFramework", path: "../FlutterFramework"),
+    ],
+    targets: [
+        .target(
+            name: "confidence_flutter_sdk",
+            dependencies: [
+                .product(name: "FlutterFramework", package: "FlutterFramework"),
+            ]
+        ),
+    ]
+)