无法从Android中的Asset文件夹复制数据库

I have a database that I created in SQLite Browser. It has so far 34 tables and I am also planning to use ORMLite to do database insert, delete etc. My problem is, since I created the database offline, I will have to ship the database with the app. So I kept my database in the assets folder and then I tried to copy the database. Going through other stackoverflow posts made me to use I have a database that I created in SQLite Brow