From d36a75ed0268cd05f1d836c422ea3222fca071e6 Mon Sep 17 00:00:00 2001
From: Natalie Bunduwongse <natalie.bunduwongse@immutable.com>
Date: Tue, 16 Jun 2026 11:25:50 +1200
Subject: [PATCH 1/2] feat(audience): resolve install referrer via Maven
 instead of bundling the AAR

Bundled AARs can't be de-duplicated by Gradle, so shipping
installreferrer-2.2.aar directly caused class/version conflicts when a
game pulled the same library in via another SDK. Declare it as a Maven
dependency through EDM4U (Editor/ImmutableAudienceDependencies.xml) and
document a manual mainTemplate.gradle fallback for projects without EDM4U.
The AUDIENCE_MOBILE_ATTRIBUTION define still gates the C# JNI code; the
defensive proguard keep-rules are retained.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 .../Editor/ImmutableAudienceDependencies.xml  |  25 +++++++++++++
 .../ImmutableAudienceDependencies.xml.meta    |   7 ++++
 src/Packages/Audience/README.md               |  26 ++++++++++----
 .../Plugins/Android/installreferrer-2.2.aar   | Bin 7948 -> 0 bytes
 .../Android/installreferrer-2.2.aar.meta      |  33 ------------------
 .../Runtime/Plugins/Android/proguard-user.txt |   3 +-
 6 files changed, 53 insertions(+), 41 deletions(-)
 create mode 100644 src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml
 create mode 100644 src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml.meta
 delete mode 100644 src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar
 delete mode 100644 src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar.meta

diff --git a/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml b/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml
new file mode 100644
index 000000000..795855d1d
--- /dev/null
+++ b/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  EDM4U dependency declaration. The Google Play Install Referrer Library is
+  resolved from Maven rather than bundled as an .aar: bundled .aars can't be
+  de-duplicated by Gradle, so shipping installreferrer-2.2.aar directly caused
+  class/version conflicts with other SDKs. Declaring it here lets Gradle pick a
+  single highest version.
+
+  Requires EDM4U. Without it, add the dependency manually to
+  Assets/Plugins/Android/mainTemplate.gradle:
+      implementation 'com.android.installreferrer:installreferrer:2.2'
+
+  play-services-ads-identifier (GAID) is intentionally NOT declared here - left
+  to the studio, so games that don't collect the advertising ID never declare
+  the AD_ID permission (see AndroidManifestPostProcessor).
+-->
+<dependencies>
+  <androidPackages>
+    <androidPackage spec="com.android.installreferrer:installreferrer:2.2">
+      <repositories>
+        <repository>https://maven.google.com</repository>
+      </repositories>
+    </androidPackage>
+  </androidPackages>
+</dependencies>
diff --git a/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml.meta b/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml.meta
new file mode 100644
index 000000000..cc144bdd1
--- /dev/null
+++ b/src/Packages/Audience/Editor/ImmutableAudienceDependencies.xml.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 9d07b68218d6495c87d75e4db65d7b7b
+DefaultImporter:
+  externalObjects: {}
+  userData:
+  assetBundleName:
+  assetBundleVariant:
diff --git a/src/Packages/Audience/README.md b/src/Packages/Audience/README.md
index 936bdb801..57fa92b71 100644
--- a/src/Packages/Audience/README.md
+++ b/src/Packages/Audience/README.md
@@ -47,17 +47,29 @@ Press Play; `ImmutableAudience.Initialized` returns `true` and `AnonymousId` bec
 - Integration guide and API reference: <https://docs.immutable.com/docs/products/audience/unity-sdk>
 - Sample Unity project: [`examples/audience`](https://github.com/immutable/unity-immutable-sdk/tree/main/examples/audience)
 
-## Vendored dependencies
+## Android dependencies
 
-The package vendors prebuilt third-party AARs for mobile attribution. They are only included in your build when the corresponding scripting define is set; without the define they're stripped via `defineConstraints` on the plugin meta files.
+Mobile install attribution (the `AUDIENCE_MOBILE_ATTRIBUTION` define) needs the Google Play Install Referrer Library. The package does **not** bundle it as a prebuilt `.aar` — bundled AARs can't be de-duplicated by Gradle, so shipping `installreferrer-2.2.aar` directly caused class/version conflicts when a game already pulled in the same library via another SDK. Instead it's resolved from Maven:
 
-| File | Version | Source | Required define |
-| --- | --- | --- | --- |
-| `Runtime/Plugins/Android/installreferrer-2.2.aar` | 2.2 | [maven.google.com](https://maven.google.com/web/index.html#com.android.installreferrer:installreferrer:2.2) | `AUDIENCE_MOBILE_ATTRIBUTION` |
+| Dependency | Version | Source |
+| --- | --- | --- |
+| `com.android.installreferrer:installreferrer` | 2.2 | [maven.google.com](https://maven.google.com/web/index.html#com.android.installreferrer:installreferrer:2.2) |
 
-`Runtime/Plugins/Android/proguard-user.txt` ships explicit R8 keep rules for the Install Referrer Library. Unity's gradle build merges it automatically when the AAR is included.
+**With [EDM4U](https://github.com/googlesamples/unity-jar-resolver) (recommended):** no action needed. `Editor/ImmutableAudienceDependencies.xml` declares the dependency and EDM4U's Android Resolver fetches it, resolving any version conflict with other SDKs to a single highest version. Install EDM4U as a project prerequisite — do not embed a second copy.
 
-Before tagging a release, check `maven.google.com` for newer versions of any vendored dependency and bump the pinned filename if needed.
+**Without EDM4U:** add the dependency to your `Assets/Plugins/Android/mainTemplate.gradle`:
+
+```gradle
+dependencies {
+    implementation 'com.android.installreferrer:installreferrer:2.2'
+}
+```
+
+`Runtime/Plugins/Android/proguard-user.txt` ships explicit R8 keep rules for the Install Referrer Library; Unity's gradle build merges them regardless of how the dependency is resolved.
+
+`play-services-ads-identifier` (GAID) is intentionally left for the studio to add, so games that don't collect the advertising ID never declare the `AD_ID` permission.
+
+Before tagging a release, check `maven.google.com` for a newer version and bump the pinned version above and in `ImmutableAudienceDependencies.xml` if needed.
 
 ## License
 
diff --git a/src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar b/src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar
deleted file mode 100644
index ea4f702e58e265f9007a3a6270392b41cdee3f14..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar.meta b/src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar.meta
deleted file mode 100644
index 4dd39c72f..000000000
--- a/src/Packages/Audience/Runtime/Plugins/Android/installreferrer-2.2.aar.meta
+++ /dev/null
@@ -1,33 +0,0 @@
-fileFormatVersion: 2
-guid: a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6
-PluginImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  iconMap: {}
-  executionOrder: {}
-  defineConstraints:
-  - AUDIENCE_MOBILE_ATTRIBUTION
-  isPreloaded: 0
-  isOverridable: 1
-  isExplicitlyReferenced: 0
-  validateReferences: 1
-  platformData:
-  - first:
-      Android: Android
-    second:
-      enabled: 1
-      settings: {}
-  - first:
-      Any: 
-    second:
-      enabled: 0
-      settings: {}
-  - first:
-      Editor: Editor
-    second:
-      enabled: 0
-      settings:
-        DefaultValueInitialized: true
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/src/Packages/Audience/Runtime/Plugins/Android/proguard-user.txt b/src/Packages/Audience/Runtime/Plugins/Android/proguard-user.txt
index fad7cf61b..64f37cf29 100644
--- a/src/Packages/Audience/Runtime/Plugins/Android/proguard-user.txt
+++ b/src/Packages/Audience/Runtime/Plugins/Android/proguard-user.txt
@@ -1,6 +1,7 @@
 # Keep Google Play Install Referrer Library symbols.
 #
-# The AAR (installreferrer-2.2.aar) ships consumer rules in
+# The installreferrer AAR (resolved from Maven via EDM4U or a manual gradle
+# dependency - see README) ships consumer rules in
 # META-INF/com.android.tools/proguard/proguard.txt and Unity's gradle build
 # auto-merges them, but R8 fullMode in Unity 2022.3+ has been observed to
 # discard merged consumer rules in some studio configurations. These

From 13e40ba67da60aebb7d51012dd5d624defad7d34 Mon Sep 17 00:00:00 2001
From: Natalie Bunduwongse <natalie.bunduwongse@immutable.com>
Date: Tue, 16 Jun 2026 11:25:50 +1200
Subject: [PATCH 2/2] chore(audience-sample): declare install referrer
 dependency in gradle template

The sample no longer gets the Install Referrer Library from a bundled
AAR, and it doesn't use EDM4U, so it declares the Maven dependency
manually in mainTemplate.gradle - the documented fallback path. Verified
the resulting App Bundle includes the installreferrer classes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 .../audience/Assets/Plugins/Android/mainTemplate.gradle     | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/audience/Assets/Plugins/Android/mainTemplate.gradle b/examples/audience/Assets/Plugins/Android/mainTemplate.gradle
index 795cadd4d..3558a761f 100644
--- a/examples/audience/Assets/Plugins/Android/mainTemplate.gradle
+++ b/examples/audience/Assets/Plugins/Android/mainTemplate.gradle
@@ -22,6 +22,12 @@ apply plugin: 'com.android.library'
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 **DEPS**
+    // Google Play Install Referrer Library, resolved from Maven (the Audience
+    // package no longer bundles it as an .aar - it conflicted with other SDKs).
+    // EDM4U projects get it automatically from ImmutableAudienceDependencies.xml;
+    // this sample has no EDM4U, so it declares the dependency manually.
+    implementation 'com.android.installreferrer:installreferrer:2.2'
+
     // Uncomment to enable GAID collection (requires AUDIENCE_MOBILE_ATTRIBUTION
     // scripting define + AudienceConfig.EnableMobileAttribution). Without this
     // line the SDK still builds and runs, but `gaid` / `gaidLimitAdTracking`