| NFC is a short distance non-contact wireless communication technology which is safe,rapid and low-power,so it has attracted much attention.However,despite the Android system has realized the integration of NFC technology and related protocols,the application of NFC on mobile devices is still not popular.The application scenario is very limited,mostly concentrated in the field of mobile payment.In order to explore more widely and valuable application of NFC in the mobile terminal,The paper designed and implemented a NFC mobile application platform on Android system which integrates three working modes of NFC.Based on these three work modes of NFC,the platform implemented the applications of read/write NFC tags,P2P information transmission and intelligent access control system,which is a successful practice in application of NFC in information transmission,information storage and simulation of smart IC card transactions etc.The implementation mechanism of the NFC Read-write mode,P2P mode and Card-simulation mode on Android as the technical basis,and the key technology like NDEF protocol,the Tag Dispatch System and HCE etc,is studied in this paper.Besides on design of the overall framework of the platform,a security scheme based on the client authentication and communication data encryption is designed for safety.Then the hardware of the platform is designed and implemented according to demands,and the core software of the system is completed,including the design and implementation of the client application,server,database and security module.The platform is verified to meet the design requirements after a comprehensive test,with good performance and availability.The NFC mobile application platform based on Android successfully realized the operation of reading and writing tags,transferring data by touching another NFC mobile phone,and simulating the access card.In general,the platform integrated various working modes of NFC has a great value of cross industry application. |
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