feat: Add Support for Swift Package Manager

Author: koji-1009

ios/Assets/.gitkeep

@@ -9,8 +9,8 @@ Pod::Spec.new do |s|
   s.license               = { :file => '../LICENSE' }
   s.author                = { 'Adjust' => 'sdk@adjust.com' }
   s.source                = { :path => '.' }
-  s.source_files          = 'Classes/**/*'
-  s.public_header_files   = 'Classes/**/*.h'
+  s.source_files          = 'adjust_sdk/Sources/adjust_sdk/**/*.{h,m}'
+  s.public_header_files   = 'adjust_sdk/Sources/adjust_sdk/include/**/*.h'
   s.ios.deployment_target = '12.0'
 
   s.dependency 'Flutter'

ios/adjust_sdk.podspec

@@ -0,0 +1,29 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "adjust_sdk",
+    platforms: [
+        .iOS("12.0"),
+    ],
+    products: [
+        .library(name: "adjust-sdk", targets: ["adjust_sdk"])
+    ],
+    dependencies: [
+        .package(url: "https://github.com/adjust/ios_sdk.git", from: "5.4.3")
+    ],
+    targets: [
+        .target(
+            name: "adjust_sdk",
+            dependencies: [
+                .product(name: "AdjustSdk", package: "ios_sdk")
+            ],
+            resources: [],
+            cSettings: [
+                .headerSearchPath("include/adjust_sdk")
+            ]
+        )
+    ]
+)

ios/adjust_sdk/Package.swift

@@ -6,8 +6,8 @@
 //  Copyright © 2018-Present Adjust GmbH. All rights reserved.
 //
 
-#import "AdjustSdk.h"
-#import "AdjustSdkDelegate.h"
+#import "./include/adjust_sdk/AdjustSdk.h"
+#import "./include/adjust_sdk/AdjustSdkDelegate.h"
 #import <AdjustSdk/AdjustSdk.h>
 
 static NSString * const CHANNEL_API_NAME = @"com.adjust.sdk/api";

ios/Classes/AdjustSdk.m renamed to ios/adjust_sdk/Sources/adjust_sdk/AdjustSdk.m

@@ -7,7 +7,7 @@
 //
 
 #import <objc/runtime.h>
-#import "AdjustSdkDelegate.h"
+#import "./include/adjust_sdk/AdjustSdkDelegate.h"
 
 static dispatch_once_t onceToken;
 static AdjustSdkDelegate *defaultInstance = nil;