lib: enable app optimization

examples/llama.android/app/build.gradle.kts

@@ -23,8 +23,17 @@ android {
     }
 
     buildTypes {
+        debug {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android.txt"),
+                "proguard-rules.pro"
+            )
+        }
         release {
-            isMinifyEnabled = false
+            isMinifyEnabled = true
+            isShrinkResources = true
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"

examples/llama.android/app/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.arm.aichat.* { *; }
+-keep class com.arm.aichat.gguf.* { *; }
+
+-assumenosideeffects class android.util.Log {
+    public static int v(...);
+    public static int d(...);
+}

examples/llama.android/lib/build.gradle.kts

@@ -39,16 +39,6 @@ android {
             minCompileSdk = 35
         }
     }
-
-    buildTypes {
-        release {
-            isMinifyEnabled = false
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
-        }
-    }
     externalNativeBuild {
         cmake {
             path("src/main/cpp/CMakeLists.txt")

examples/llama.android/lib/consumer-rules.pro

@@ -0,0 +1,8 @@
+-keep class com.arm.aichat.* { *; }
+-keep class com.arm.aichat.gguf.* { *; }
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keep class kotlin.Metadata { *; }

examples/llama.android/lib/src/main/cpp/logging.h

@@ -16,7 +16,7 @@
 
 #ifndef LOG_MIN_LEVEL
 #if defined(NDEBUG)
-#define LOG_MIN_LEVEL ANDROID_LOG_WARN
+#define LOG_MIN_LEVEL ANDROID_LOG_INFO
 #else
 #define LOG_MIN_LEVEL ANDROID_LOG_VERBOSE
 #endif