1、PRODUCT_COPY_FILES +=device/XXXXXX/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/assets/default_launcher.db:../../../../packages/apps/Launcher3/assets/default_launcher.db
2、
$(shell cp -f device/XXXXXX/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/assets/default_launcher.db packages/apps/Launcher3/assets/default_launcher.db)使用方法2的缺點是不能創建目錄，比如packages/apps/Launcher3/assets/必須存在才能拷貝成功，而方法1就不存在該限制
#jimbo add for launcher db
PRODUCT_COPY_FILES +=device/huiyue/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/def_db_workspace/default_launcher.db:../../../../packages/apps/Launcher3/assets/default_launcher.db
PRODUCT_COPY_FILES +=device/huiyue/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/def_db_workspace/default_db_widget.xml:../../../../packages/apps/Launcher3/res/xml/default_db_widget.xml
#$(shell cp -f device/huiyue/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/def_db_workspace/default_launcher.db packages/apps/Launcher3/assets/default_launcher.db)
#$(shell cp -f device/huiyue/$(MTK_TARGET_PROJECT)/overlay/packages/apps/Launcher3/def_db_workspace/default_db_widget.xml packages/apps/Launcher3/res/xml/default_db_widget.xml)
