diff --git a/tests/expression/1.0/Android.mk b/tests/expression/1.0/Android.mk
new file mode 100644
index 0000000..98dc29e
--- /dev/null
+++ b/tests/expression/1.0/Android.mk
@@ -0,0 +1,33 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := android.hardware.tests.expression@1.0
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+#
+# Build IExpression.hal
+#
+GEN := $(intermediates)/android/hardware/tests/expression/1.0/ExpressionAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IExpression.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+    $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+    -Lc++ -randroid.hardware:hardware/interfaces\
+    android.hardware.tests.expression@1.0::$(patsubst %.hal,%,$(notdir $(PRIVATE_DEPS)))
+
+$(GEN): $(LOCAL_PATH)/IExpression.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(intermediates)
+LOCAL_SHARED_LIBRARIES := \
+  libhwbinder \
+  libutils \
+
+include $(BUILD_SHARED_LIBRARY)