From 04f53466e03a9aabcce8236c084418c48f1503b8 Mon Sep 17 00:00:00 2001
From: Chiping Yeh <cpy@google.com>
Date: Mon, 17 Mar 2025 16:43:50 -0400
Subject: [PATCH] Add build and proguard rules snippets

---
 gradle/libs.versions.toml                     | 4 ++++
 identity/credentialmanager/build.gradle.kts   | 8 +++++++-
 identity/credentialmanager/proguard-rules.pro | 9 ++++++++-
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 72e8d4975..7edd2bbdc 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,6 +9,8 @@ androidx-constraintlayout = "2.2.0"
 androidx-constraintlayout-compose = "1.1.0"
 androidx-coordinator-layout = "1.2.0"
 androidx-corektx = "1.15.0"
+androidx-credentials = "1.5.0"
+androidx-credentials-play-services-auth = "1.5.0"
 androidx-emoji2-views = "1.5.0"
 androidx-fragment-ktx = "1.8.6"
 androidx-glance-appwidget = "1.1.1"
@@ -93,6 +95,8 @@ androidx-constraintlayout-compose = { module = "androidx.constraintlayout:constr
 androidx-coordinator-layout = { module = "androidx.coordinatorlayout:coordinatorlayout", version.ref = "androidx-coordinator-layout" }
 androidx-core-ktx = { module = "androidx.core:core-ktx", version.ref = "androidx-corektx" }
 androidx-core-splashscreen = { module = "androidx.core:core-splashscreen", version.ref = "coreSplashscreen" }
+androidx-credentials = { module = "androidx.credentials:credentials", version.ref = "androidx-credentials" }
+androidx-credentials-play-services-auth = { module = "androidx.credentials:credentials-play-services-auth", version.ref = "androidx-credentials-play-services-auth" }
 androidx-emoji2-views = { module = "androidx.emoji2:emoji2-views", version.ref = "androidx-emoji2-views" }
 androidx-fragment-ktx = { module = "androidx.fragment:fragment-ktx", version.ref = "androidx-fragment-ktx" }
 androidx-glance-appwidget = { module = "androidx.glance:glance-appwidget", version.ref = "androidx-glance-appwidget" }
diff --git a/identity/credentialmanager/build.gradle.kts b/identity/credentialmanager/build.gradle.kts
index 560866d16..fab41549b 100644
--- a/identity/credentialmanager/build.gradle.kts
+++ b/identity/credentialmanager/build.gradle.kts
@@ -40,7 +40,6 @@ android {
 }
 
 dependencies {
-
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime)
     implementation(libs.androidx.activity.compose)
@@ -49,6 +48,13 @@ dependencies {
     implementation(libs.androidx.compose.ui.graphics)
     implementation(libs.androidx.compose.ui.tooling.preview)
     implementation(libs.androidx.compose.material3)
+    // [START android_identity_gradle_dependencies]
+    implementation(libs.androidx.credentials)
+
+    // optional - needed for credentials support from play services, for devices running
+    // Android 13 and below.
+    implementation(libs.androidx.credentials.play.services.auth)
+    // [END android_identity_gradle_dependencies]
     debugImplementation(libs.androidx.compose.ui.tooling)
     debugImplementation(libs.androidx.compose.ui.test.manifest)
 }
\ No newline at end of file
diff --git a/identity/credentialmanager/proguard-rules.pro b/identity/credentialmanager/proguard-rules.pro
index 481bb4348..6075f01e2 100644
--- a/identity/credentialmanager/proguard-rules.pro
+++ b/identity/credentialmanager/proguard-rules.pro
@@ -18,4 +18,11 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+
+# // [START android_identity_proguard_rules]
+-if class androidx.credentials.CredentialManager
+-keep class androidx.credentials.playservices.** {
+  *;
+}
+# // [END android_identity_proguard_rules]
\ No newline at end of file