From e0a3cccbb824cc84beed52e8193a2849338dfa3d Mon Sep 17 00:00:00 2001
From: Zouhair Mahieddine <zouhair.mahieddine@zalando.de>
Date: Wed, 15 Jan 2014 11:18:16 +0100
Subject: [PATCH 01/11] MAC Address MD5 Tracking switch method added for
 security reasons

---
 AdjustIo/AIActivityHandler.h | 1 +
 AdjustIo/AIActivityHandler.m | 4 +++-
 AdjustIo/AdjustIo.h          | 9 +++++++++
 AdjustIo/AdjustIo.m          | 9 +++++++++
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/AdjustIo/AIActivityHandler.h b/AdjustIo/AIActivityHandler.h
index 0de2f7a40..6dc79522d 100644
--- a/AdjustIo/AIActivityHandler.h
+++ b/AdjustIo/AIActivityHandler.h
@@ -12,6 +12,7 @@
 
 @property (nonatomic, copy) NSString *environment;
 @property (nonatomic, assign) BOOL bufferEvents;
+@property (nonatomic, assign) BOOL macAddressMd5TrackingEnabled;
 
 + (AIActivityHandler *)handlerWithAppToken:(NSString *)appToken;
 - (id)initWithAppToken:(NSString *)appToken;
diff --git a/AdjustIo/AIActivityHandler.m b/AdjustIo/AIActivityHandler.m
index 2441cede6..5faa10da4 100644
--- a/AdjustIo/AIActivityHandler.m
+++ b/AdjustIo/AIActivityHandler.m
@@ -330,7 +330,9 @@ - (void)injectGeneralAttributes:(AIPackageBuilder *)builder {
     builder.userAgent        = self.userAgent;
     builder.clientSdk        = self.clientSdk;
     builder.appToken         = self.appToken;
-    builder.macShortMd5      = self.macShortMd5;
+    if (self.macAddressMd5TrackingEnabled) {
+        builder.macShortMd5      = self.macShortMd5;
+    }
     builder.macSha1          = self.macSha1;
     builder.trackingEnabled  = self.trackingEnabled;
     builder.idForAdvertisers = self.idForAdvertisers;
diff --git a/AdjustIo/AdjustIo.h b/AdjustIo/AdjustIo.h
index b8f8dbd57..aa840ebc4 100644
--- a/AdjustIo/AdjustIo.h
+++ b/AdjustIo/AdjustIo.h
@@ -107,4 +107,13 @@ static NSString * const AIEnvironmentProduction = @"production";
 // Special method used by SDK wrappers such as Adobe Air SDK.
 + (void)setSdkPrefix:(NSString *)sdkPrefix __attribute__((deprecated));
 
+/**
+ * Enable or disable MAC Address tracking as MD5
+ *
+ * For security reasons, it might be useful for you to deactivate MD5 Tracking.
+ * The MD5 is only used for devices that are still using iOS 6 first version
+ * to overcome an issue with the hard-coded IDFA.
+ */
++ (void)setMacAddressMd5TrackingEnabled:(BOOL)enabled;
+
 @end
diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 6351e6cf2..279b46b24 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -80,5 +80,14 @@ + (void)setEventBufferingEnabled:(BOOL)enabled {
 + (void)setLogLevel:(AILogLevel)logLevel {
     [AILogger setLogLevel:logLevel];
 }
++ (void)setMacAddressMd5TrackingEnabled:(BOOL)enabled {
+    if (activityHandler == nil) {
+        [AILogger error:@"Please call `setMacAddressMd5TrackingEnabled` after `appDidLaunch`!"];
+        return;
+    }
+    
+    activityHandler.macAddressMd5TrackingEnabled = enabled;
+    [AILogger info:[NSString stringWithFormat:@"Event buffering is %@", enabled?@"enabled" :@"disabled"]];
+}
 
 @end

From 1bbd6ced9affa91b4f5813711c25ba3ad3938e4a Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 13:43:41 +0100
Subject: [PATCH 02/11] Rename setMac{Address,}Md5TrackingEnabled:

---
 AdjustIo/AdjustIo.h | 2 +-
 AdjustIo/AdjustIo.m | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/AdjustIo/AdjustIo.h b/AdjustIo/AdjustIo.h
index aa840ebc4..3f15f7e0a 100644
--- a/AdjustIo/AdjustIo.h
+++ b/AdjustIo/AdjustIo.h
@@ -114,6 +114,6 @@ static NSString * const AIEnvironmentProduction = @"production";
  * The MD5 is only used for devices that are still using iOS 6 first version
  * to overcome an issue with the hard-coded IDFA.
  */
-+ (void)setMacAddressMd5TrackingEnabled:(BOOL)enabled;
++ (void)setMacMd5TrackingEnabled:(BOOL)enabled;
 
 @end
diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 279b46b24..3c979394c 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -80,9 +80,10 @@ + (void)setEventBufferingEnabled:(BOOL)enabled {
 + (void)setLogLevel:(AILogLevel)logLevel {
     [AILogger setLogLevel:logLevel];
 }
-+ (void)setMacAddressMd5TrackingEnabled:(BOOL)enabled {
+
++ (void)setMacMd5TrackingEnabled:(BOOL)enabled {
     if (activityHandler == nil) {
-        [AILogger error:@"Please call `setMacAddressMd5TrackingEnabled` after `appDidLaunch`!"];
+        [AILogger error:@"Please call `setMacMd5TrackingEnabled` after `appDidLaunch`!"];
         return;
     }
     

From c78b6f87fd97c5b43db355df778199bb2e4f766a Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 13:45:42 +0100
Subject: [PATCH 03/11] Reorder methods in public interface

---
 AdjustIo/AdjustIo.h | 40 ++++++++++++++++++++--------------------
 AdjustIo/AdjustIo.m |  8 ++++----
 2 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/AdjustIo/AdjustIo.h b/AdjustIo/AdjustIo.h
index 3f15f7e0a..c86bfb095 100644
--- a/AdjustIo/AdjustIo.h
+++ b/AdjustIo/AdjustIo.h
@@ -67,6 +67,23 @@ static NSString * const AIEnvironmentProduction = @"production";
 + (void)trackRevenue:(double)amountInCents forEvent:(NSString *)eventToken;
 + (void)trackRevenue:(double)amountInCents forEvent:(NSString *)eventToken withParameters:(NSDictionary *)parameters;
 
+/**
+ * Change the verbosity of AdjustIo's logs.
+ *
+ * You can increase or reduce the amount of logs from AdjustIo by passing
+ * one of the following parameters. Use Log.ASSERT to disable all logging.
+ *
+ * @param logLevel The desired minimum log level (default: info)
+ *     Must be one of the following:
+ *      - AILogLevelVerbose (enable all logging)
+ *      - AILogLevelDebug   (enable more logging)
+ *      - AILogLevelInfo    (the default)
+ *      - AILogLevelWarn    (disable info logging)
+ *      - AILogLevelError   (disable warnings as well)
+ *      - AILogLevelAssert  (disable errors as well)
+ */
++ (void)setLogLevel:(AILogLevel)logLevel;
+
 /**
  * Set the tracking environment to sandbox or production.
  *
@@ -87,26 +104,6 @@ static NSString * const AIEnvironmentProduction = @"production";
  */
 + (void)setEventBufferingEnabled:(BOOL)enabled;
 
-/**
- * Change the verbosity of AdjustIo's logs.
- *
- * You can increase or reduce the amount of logs from AdjustIo by passing
- * one of the following parameters. Use Log.ASSERT to disable all logging.
- *
- * @param logLevel The desired minimum log level (default: info)
- *     Must be one of the following:
- *      - AILogLevelVerbose (enable all logging)
- *      - AILogLevelDebug   (enable more logging)
- *      - AILogLevelInfo    (the default)
- *      - AILogLevelWarn    (disable info logging)
- *      - AILogLevelError   (disable warnings as well)
- *      - AILogLevelAssert  (disable errors as well)
- */
-+ (void)setLogLevel:(AILogLevel)logLevel;
-
-// Special method used by SDK wrappers such as Adobe Air SDK.
-+ (void)setSdkPrefix:(NSString *)sdkPrefix __attribute__((deprecated));
-
 /**
  * Enable or disable MAC Address tracking as MD5
  *
@@ -116,4 +113,7 @@ static NSString * const AIEnvironmentProduction = @"production";
  */
 + (void)setMacMd5TrackingEnabled:(BOOL)enabled;
 
+// Special method used by SDK wrappers such as Adobe Air SDK.
++ (void)setSdkPrefix:(NSString *)sdkPrefix __attribute__((deprecated));
+
 @end
diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 3c979394c..3d8ac6a03 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -51,6 +51,10 @@ + (void)trackRevenue:(double)amountInCents
     [activityHandler trackRevenue:amountInCents forEvent:eventToken withParameters:parameters];
 }
 
++ (void)setLogLevel:(AILogLevel)logLevel {
+    [AILogger setLogLevel:logLevel];
+}
+
 + (void)setEnvironment:(NSString *)environment {
     if (activityHandler == nil) {
         [AILogger error:@"Please call `setEnvironment` after `appDidLaunch`!"];
@@ -77,10 +81,6 @@ + (void)setEventBufferingEnabled:(BOOL)enabled {
     if (enabled) [AILogger info:@"Event buffering is enabled"];
 }
 
-+ (void)setLogLevel:(AILogLevel)logLevel {
-    [AILogger setLogLevel:logLevel];
-}
-
 + (void)setMacMd5TrackingEnabled:(BOOL)enabled {
     if (activityHandler == nil) {
         [AILogger error:@"Please call `setMacMd5TrackingEnabled` after `appDidLaunch`!"];

From 51afa7a0a989a4d000d1f71c71e019499a394961 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 13:47:35 +0100
Subject: [PATCH 04/11] Remove trailing whitespace

---
 AdjustIo/AdjustIo.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 3d8ac6a03..163e72805 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -86,7 +86,7 @@ + (void)setMacMd5TrackingEnabled:(BOOL)enabled {
         [AILogger error:@"Please call `setMacMd5TrackingEnabled` after `appDidLaunch`!"];
         return;
     }
-    
+
     activityHandler.macAddressMd5TrackingEnabled = enabled;
     [AILogger info:[NSString stringWithFormat:@"Event buffering is %@", enabled?@"enabled" :@"disabled"]];
 }

From c527886673fb21a475449a3d26df79cfda152985 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 13:53:01 +0100
Subject: [PATCH 05/11] Rename
 AIActivityHandler.{macAddressMd5TrackingEnabled,trackMacMd5}

---
 AdjustIo/AIActivityHandler.h | 2 +-
 AdjustIo/AIActivityHandler.m | 2 +-
 AdjustIo/AdjustIo.m          | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/AdjustIo/AIActivityHandler.h b/AdjustIo/AIActivityHandler.h
index 6dc79522d..ea53ea96b 100644
--- a/AdjustIo/AIActivityHandler.h
+++ b/AdjustIo/AIActivityHandler.h
@@ -12,7 +12,7 @@
 
 @property (nonatomic, copy) NSString *environment;
 @property (nonatomic, assign) BOOL bufferEvents;
-@property (nonatomic, assign) BOOL macAddressMd5TrackingEnabled;
+@property (nonatomic, assign) BOOL trackMacMd5;
 
 + (AIActivityHandler *)handlerWithAppToken:(NSString *)appToken;
 - (id)initWithAppToken:(NSString *)appToken;
diff --git a/AdjustIo/AIActivityHandler.m b/AdjustIo/AIActivityHandler.m
index 5faa10da4..7c36babff 100644
--- a/AdjustIo/AIActivityHandler.m
+++ b/AdjustIo/AIActivityHandler.m
@@ -330,7 +330,7 @@ - (void)injectGeneralAttributes:(AIPackageBuilder *)builder {
     builder.userAgent        = self.userAgent;
     builder.clientSdk        = self.clientSdk;
     builder.appToken         = self.appToken;
-    if (self.macAddressMd5TrackingEnabled) {
+    if (self.trackMacMd5) {
         builder.macShortMd5      = self.macShortMd5;
     }
     builder.macSha1          = self.macSha1;
diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 163e72805..776cd1247 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -87,7 +87,7 @@ + (void)setMacMd5TrackingEnabled:(BOOL)enabled {
         return;
     }
 
-    activityHandler.macAddressMd5TrackingEnabled = enabled;
+    activityHandler.trackMacMd5 = enabled;
     [AILogger info:[NSString stringWithFormat:@"Event buffering is %@", enabled?@"enabled" :@"disabled"]];
 }
 

From 5155a90b0b929f990e0b104b8e7b5dc65bf086a9 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 13:57:40 +0100
Subject: [PATCH 06/11] Fix logging about macMd5 tracking

---
 AdjustIo/AdjustIo.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 776cd1247..41d3a1d88 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -88,7 +88,7 @@ + (void)setMacMd5TrackingEnabled:(BOOL)enabled {
     }
 
     activityHandler.trackMacMd5 = enabled;
-    [AILogger info:[NSString stringWithFormat:@"Event buffering is %@", enabled?@"enabled" :@"disabled"]];
+    [AILogger info:[NSString stringWithFormat:@"Tracking of macMd5 is %@", enabled?@"enabled" :@"disabled"]];
 }
 
 @end

From 830a87117d755c4c49f128ced91937397daa8a5a Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 14:00:48 +0100
Subject: [PATCH 07/11] Remove unnecessary NSString.stringWithFormat

---
 AdjustIo/AdjustIo.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AdjustIo/AdjustIo.m b/AdjustIo/AdjustIo.m
index 41d3a1d88..9799e0d73 100644
--- a/AdjustIo/AdjustIo.m
+++ b/AdjustIo/AdjustIo.m
@@ -88,7 +88,7 @@ + (void)setMacMd5TrackingEnabled:(BOOL)enabled {
     }
 
     activityHandler.trackMacMd5 = enabled;
-    [AILogger info:[NSString stringWithFormat:@"Tracking of macMd5 is %@", enabled?@"enabled" :@"disabled"]];
+    [AILogger info:@"Tracking of macMd5 is %@", enabled ? @"enabled" : @"disabled"];
 }
 
 @end

From a01346ca0f588927a6464c5914d015063f56bed9 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 14:05:42 +0100
Subject: [PATCH 08/11] Add default value trackMacMd5=YES

---
 AdjustIo/AIActivityHandler.m | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/AdjustIo/AIActivityHandler.m b/AdjustIo/AIActivityHandler.m
index 7c36babff..43137e7a2 100644
--- a/AdjustIo/AIActivityHandler.m
+++ b/AdjustIo/AIActivityHandler.m
@@ -59,9 +59,12 @@ - (id)initWithAppToken:(NSString *)yourAppToken {
 
     [self addNotificationObserver];
     self.internalQueue = dispatch_queue_create(kInternalQueueName, DISPATCH_QUEUE_SERIAL);
-    self.environment   = @"unknown"; // default value
     self.clientSdk     = AIUtil.clientSdk;
 
+    // default values
+    self.environment = @"unknown";
+    self.trackMacMd5 = YES;
+
     dispatch_async(self.internalQueue, ^{
         [self initInternal:yourAppToken];
     });

From 4044db6f6997c7a3b965093bc32f5243ea76e7b1 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 14:10:19 +0100
Subject: [PATCH 09/11] Move conditional parts to the end of
 AIActivityHandler.injectGeneralAttributes

---
 AdjustIo/AIActivityHandler.m | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/AdjustIo/AIActivityHandler.m b/AdjustIo/AIActivityHandler.m
index 43137e7a2..0701a2726 100644
--- a/AdjustIo/AIActivityHandler.m
+++ b/AdjustIo/AIActivityHandler.m
@@ -333,14 +333,15 @@ - (void)injectGeneralAttributes:(AIPackageBuilder *)builder {
     builder.userAgent        = self.userAgent;
     builder.clientSdk        = self.clientSdk;
     builder.appToken         = self.appToken;
-    if (self.trackMacMd5) {
-        builder.macShortMd5      = self.macShortMd5;
-    }
     builder.macSha1          = self.macSha1;
     builder.trackingEnabled  = self.trackingEnabled;
     builder.idForAdvertisers = self.idForAdvertisers;
     builder.fbAttributionId  = self.fbAttributionId;
     builder.environment      = self.environment;
+
+    if (self.trackMacMd5) {
+        builder.macShortMd5 = self.macShortMd5;
+    }
 }
 
 # pragma mark - timer

From 56b9ba72a216ae21ef3bf1c689ee4bbf2ca27d1b Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 14:20:53 +0100
Subject: [PATCH 10/11] Shorten the comment explaining the new method to
 disable macMd5 tracking

---
 AdjustIo/AdjustIo.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/AdjustIo/AdjustIo.h b/AdjustIo/AdjustIo.h
index c86bfb095..e241f0dd4 100644
--- a/AdjustIo/AdjustIo.h
+++ b/AdjustIo/AdjustIo.h
@@ -105,11 +105,9 @@ static NSString * const AIEnvironmentProduction = @"production";
 + (void)setEventBufferingEnabled:(BOOL)enabled;
 
 /**
- * Enable or disable MAC Address tracking as MD5
+ * Enable or disable tracking of the MD5 hash of the MAC address
  *
- * For security reasons, it might be useful for you to deactivate MD5 Tracking.
- * The MD5 is only used for devices that are still using iOS 6 first version
- * to overcome an issue with the hard-coded IDFA.
+ * Disable macMd5 tracking if your privacy constraints require it.
  */
 + (void)setMacMd5TrackingEnabled:(BOOL)enabled;
 

From 5248a5a2a120271657b8f875806e1f8885197d55 Mon Sep 17 00:00:00 2001
From: Christian Wellenbrock <christian.wellenbrock@gmail.com>
Date: Wed, 15 Jan 2014 14:31:09 +0100
Subject: [PATCH 11/11] Update version to 2.1.4

---
 AdjustIO.podspec  | 4 ++--
 AdjustIo/AIUtil.m | 2 +-
 README.md         | 2 +-
 VERSION           | 2 +-
 doc/migration.md  | 6 +++---
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/AdjustIO.podspec b/AdjustIO.podspec
index e0fac1844..957351d91 100644
--- a/AdjustIO.podspec
+++ b/AdjustIO.podspec
@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name         = "AdjustIO"
-  s.version      = "2.1.3"
+  s.version      = "2.1.4"
   s.summary      = "This is the iOS SDK of AdjustIo. You can read more about it at http://adjust.io."
   s.homepage     = "http://adjust.io"
   s.license      = { :type => 'MIT', :file => 'MIT-LICENSE' }
   s.author       = { "Christian Wellenbrock" => "welle@adeven.com" }
-  s.source       = { :git => "https://github.com/adeven/adjust_ios_sdk.git", :tag => "v2.1.3" }
+  s.source       = { :git => "https://github.com/adeven/adjust_ios_sdk.git", :tag => "v2.1.4" }
   s.platform     = :ios, '4.3'
   s.framework    = 'AdSupport', 'SystemConfiguration'
   s.source_files = 'AdjustIo/*.{h,m}', 'AdjustIo/AIAdditions/*.{h,m}'
diff --git a/AdjustIo/AIUtil.m b/AdjustIo/AIUtil.m
index b06e391a8..34e8451e9 100644
--- a/AdjustIo/AIUtil.m
+++ b/AdjustIo/AIUtil.m
@@ -13,7 +13,7 @@
 #include <sys/xattr.h>
 
 static NSString * const kBaseUrl   = @"https://app.adjust.io";
-static NSString * const kClientSdk = @"ios2.1.3";
+static NSString * const kClientSdk = @"ios2.1.4";
 
 
 #pragma mark -
diff --git a/README.md b/README.md
index 39be052fb..7f2ded24c 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ If you're using [CocoaPods][cocoapods], you can add the following line to your
 `Podfile` and continue with [step 3](#step3):
 
 ```ruby
-pod 'AdjustIO', :git => 'git://github.com/adeven/adjust_ios_sdk.git', :tag => 'v2.1.3'
+pod 'AdjustIO', :git => 'git://github.com/adeven/adjust_ios_sdk.git', :tag => 'v2.1.4'
 ```
 
 ### 1. Get the SDK
diff --git a/VERSION b/VERSION
index ac2cdeba0..7d2ed7c70 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.3
+2.1.4
diff --git a/doc/migration.md b/doc/migration.md
index 85805f0f3..8d908635f 100644
--- a/doc/migration.md
+++ b/doc/migration.md
@@ -1,7 +1,7 @@
-## Migrate your AdjustIo SDK for iOS from v1.x to v2.1.3
+## Migrate your AdjustIo SDK for iOS from v1.x to v2.1.4
 
 1. Delete the old `AdjustIo` source folder from your Xcode project. Download
-   version v2.1.3 and drag the new folder into your Xcode project.
+   version v2.1.4 and drag the new folder into your Xcode project.
 
     ![][drag]
 
@@ -55,7 +55,7 @@
 2. The `appDidLaunch` method now expects your App Token instead of your App ID.
    You can find your App Token in your [dashboard].
 
-2. The AdjustIo SDK for iOS 2.1.3 uses [ARC][arc]. If you haven't done already,
+2. The AdjustIo SDK for iOS 2.1.4 uses [ARC][arc]. If you haven't done already,
    we recommend [transitioning your project to use ARC][transition] as well. If
    you don't want to use ARC, you have to enable ARC for all files of the
    AdjustIo SDK. Please consult the [README] for details.