diff --git a/cas/1.0/default/Android.bp b/cas/1.0/default/Android.bp
new file mode 100644
index 0000000..953aa37
--- /dev/null
+++ b/cas/1.0/default/Android.bp
@@ -0,0 +1,35 @@
+cc_binary {
+    name: "android.hardware.cas@1.0-service",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+      "CasImpl.cpp",
+      "DescramblerImpl.cpp",
+      "MediaCasService.cpp",
+      "service.cpp",
+      "SharedLibrary.cpp",
+      "TypeConvert.cpp",
+    ],
+
+    product_variables: {
+        treble: {
+            cflags: ["-DUSE_VNDBINDER"],
+        },
+    },
+
+    compile_multilib: "32",
+    init_rc: ["android.hardware.cas@1.0-service.rc"],
+
+    shared_libs: [
+      "android.hardware.cas@1.0",
+      "android.hardware.cas.native@1.0",
+      "android.hidl.memory@1.0",
+      "libbinder",
+      "libhidlbase",
+      "libhidlmemory",
+      "libhidltransport",
+      "liblog",
+      "libutils",
+    ],
+}