i have to develope a attendance system based on rfid ...
the interface will be shown on a tablet pc (android)

now the system will be conceptually work as:
1- the student will scan the card on rfid reader..
2- the respective barcode that is scanned will be checked for availability in the database..
3- if it would be there then our android tablet will show the pop up of "attendance updated"
4- if it would not be there then the tablet interface will show an error..

now my question is ... how would i connecte my rfid reader with my application in tablet???

that application will be our user interface...
but how it will interact with the rfid??
any coding required?? or something else?

kindly help me in detail...
reply as soon as possible!

See my answer to your previous posting. And please don't ask us to do your homework for you... :-(

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