Tizen Developers

Hi~ 

What i have understand is that you want to develop for barcode scanner.

Here is a complete example for Barcode Generator and Scanner with explaination 

https://developer.tizen.org/development/articles/barcode-generator-and-scanner

And an open source project 

https://github.com/EddieLa/JOB

Also you can check Tizen Cook Book 

https://books.google.com.bd/books?id=GnrKBAAAQBAJ&pg=PT272&lpg=PT272&dq=barcode+scanner+tizen&source=bl&ots=fk1vWQl8RK&sig=vMtI54PVtLzTlIVs_LCo9xGvKcw&hl=en&sa=X&ved=0ahUKEwjki9fy8u_OAhXFsI8KHRinAFEQ6AEITDAJ#v=onepage&q=barcode%20scanner%20tizen&f=false

-Thanks