light: convert to apex

device.mk

@@ -217,7 +217,7 @@ PRODUCT_COPY_FILES += \
 
 # Lights
 PRODUCT_PACKAGES += \
-    android.hardware.light-service.rpi
+    com.android.hardware.light.rpi4
 
 # Media
 PRODUCT_COPY_FILES += \

light/Android.bp

@@ -7,15 +7,43 @@ cc_binary {
     name: "android.hardware.light-service.rpi",
     relative_install_path: "hw",
     vendor: true,
-    init_rc: ["android.hardware.light-service.rpi.rc"],
-    vintf_fragments: ["android.hardware.light-service.rpi.xml"],
     srcs: [
         "Lights.cpp",
         "main.cpp",
     ],
     shared_libs: [
+        "android.hardware.light-V2-ndk",
         "libbase",
         "libbinder_ndk",
-        "android.hardware.light-V2-ndk",
+    ],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.light-service.rpi.rc",
+    src: "android.hardware.light-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.light-service.rpi.xml",
+    src: "android.hardware.light-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.light.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.light-service.rpi"],
+    prebuilts: [
+        "android.hardware.light-service.rpi.rc",
+        "android.hardware.light-service.rpi.xml",
     ],
 }

light/android.hardware.light-service.rpi.rc

@@ -4,7 +4,7 @@ on early-boot
     chmod 660 /sys/class/backlight/11-0045/brightness
     chmod 440 /sys/class/backlight/11-0045/max_brightness
 
-service vendor.light-default /vendor/bin/hw/android.hardware.light-service.rpi
+service vendor.light-rpi /apex/com.android.hardware.light.rpi4/bin/hw/android.hardware.light-service.rpi
     class hal
     user system
     group system

light/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                         u:object_r:vendor_file:s0
+/etc(/.*)?                                     u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.light-service\.rpi  u:object_r:hal_light_default_exec:s0

light/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.light.rpi4",
+    "version": 1
+}

light/main.cpp

@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2020 The Android Open Source Project
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,5 +32,5 @@ int main() {
     CHECK(status == STATUS_OK);
 
     ABinderProcess_joinThreadPool();
-    return EXIT_FAILURE;  // should not reached
+    return EXIT_FAILURE;  // should not reach
 }

sepolicy/file_contexts

@@ -31,7 +31,6 @@
 # Lights
 /sys/class/backlight/11-0045/brightness                                      u:object_r:sysfs_leds:s0
 /sys/class/backlight/11-0045/max_brightness                                  u:object_r:sysfs_leds:s0
-/vendor/bin/hw/android\.hardware\.light-service\.rpi                         u:object_r:hal_light_default_exec:s0
 
 # Partitions
 /dev/block/mmcblk0p1                                                         u:object_r:boot_block_device:s0