diff --git a/Android.mk b/Android.mk
index 3bd20a7..6059a3f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -26,8 +26,12 @@
 LOCAL_STATIC_JAVA_LIBRARIES := android-support-v13
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src) \
+    $(call all-java-files-under, wallpaper_picker_src) \
     $(call all-renderscript-files-under, src) \
     $(call all-proto-files-under, protos)
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/wallpaper_picker_res $(LOCAL_PATH)/res
+
+LOCAL_AAPT_FLAGS := --auto-add-overlay
 
 LOCAL_PROTOC_OPTIMIZE_TYPE := nano
 LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/