From c170a8ffb17d9c45e46887ffbc629ee749f17d76 Mon Sep 17 00:00:00 2001
From: Ajesh R <ajeshr@google.com>
Date: Mon, 4 Aug 2025 09:55:53 +0530
Subject: [PATCH] Adds some keep rules for R8 use cases

---
 app/mylibrary/consumer-rules.pro              | 21 ++++++++++++++++---
 app/mylibrary/proguard-rules.pro              |  8 +++++++
 .../samples/apps/nowinandroid/MainActivity.kt | 16 +++++++-------
 3 files changed, 34 insertions(+), 11 deletions(-)

diff --git a/app/mylibrary/consumer-rules.pro b/app/mylibrary/consumer-rules.pro
index 2f441f1a0..14f5d6b67 100644
--- a/app/mylibrary/consumer-rules.pro
+++ b/app/mylibrary/consumer-rules.pro
@@ -1,19 +1,34 @@
 # In your library's consumer-proguard-rules.pro
--keep, allowoptimization class * implements com.example.mylibrary.MyWorker {
+-keep, allowoptimization class ** implements com.example.mylibrary.MyWorker {
     <init>();
+   <methods>;
 }
+-whyareyoukeeping class com.example.mylibrary.MyWorker{
+    <methods>;
+}
+
 
 -keepattributes *Annotation*
 
 -keep @interface com.example.mylibrary.OnEvent
 
--keepclasseswithmembers class * {
+-keepclasseswithmembers class **{
+   <init>();
     @com.example.mylibrary.OnEvent <methods>;
 }
 
+-keep class com.example.mylibrary.EventBus {
+ <methods>;
+}
+
+-whyareyoukeeping class com.example.mylibrary.EventBus {
+ <methods>;
+}
+
+
 -keep @interface com.example.mylibrary.ReflectiveExecutor
 
--keep @com.example.mylibrary.ReflectiveExecutor class *{
+-keep @com.example.mylibrary.ReflectiveExecutor class **{
     # Keep the public, no-argument constructor so that an instance of the class can be created.
     # <init> is the internal name for a constructor.
     public <init>();
diff --git a/app/mylibrary/proguard-rules.pro b/app/mylibrary/proguard-rules.pro
index f1b424510..04ac39769 100644
--- a/app/mylibrary/proguard-rules.pro
+++ b/app/mylibrary/proguard-rules.pro
@@ -19,3 +19,11 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-keep class com.example.mylibrary.WorkerLoader {
+ <methods>;
+}
+
+-whyareyoukeeping class com.example.mylibrary.WorkerLoader {
+   <methods>;
+}
diff --git a/app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivity.kt b/app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivity.kt
index 02e767f0a..e166d3559 100644
--- a/app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivity.kt
+++ b/app/src/main/kotlin/com/google/samples/apps/nowinandroid/MainActivity.kt
@@ -95,14 +95,14 @@ class MainActivity : ComponentActivity() {
         WorkerLoader.loadAndRun(workerClassName)
         val eventBus = EventBus()
 
-        val listener = CustomListener()
-        eventBus.dispatch(listener)
+//        val listener = CustomListener()
+//        eventBus.dispatch(listener)
+//
+//        val runner = TaskRunner()
+//        val task1 = ImportantBackgroundTask()
 
-        val runner = TaskRunner()
-        val task1 = ImportantBackgroundTask()
 
-
-        runner.process(task1) // This will be executed.
+//        runner.process(task1) // This will be executed.
 
 
 
@@ -219,7 +219,7 @@ data class ThemeSettings(
 class CrashTestWorker : MyWorker {
     override fun doWork() {
         // This log will never appear in a release build because the class won't be found
-        Log.d("CrashTestWorker", "Important work is being done!")
+        Log.e("CrashTestWorker", "✅ Important work is being done!")
     }
 }
 
@@ -234,6 +234,6 @@ class CustomListener {
 @ReflectiveExecutor
 class ImportantBackgroundTask {
     fun execute() {
-        Log.e("ImportantBackgroundTask", "Executing the important background task... ✅")
+        Log.e("ImportantBackgroundTask", "✅ Executing the important background task... ✅")
     }
 }