File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
http://aspose.com/file-tools
Win a copy of Clojure in Action this week in the Clojure forum!
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

problem in interface between nfc reader and web application

 
ahmed mego
Greenhorn
Posts: 6
  • 0
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
this code make interface between nfc reader and my web application any way i have value of nfc card (id) in the void method and i want to get it again i know that void return null but there are not any solutions for that . I tried to declare id as global variable but i have null

i want to get the value of id again


my output : null

please help me and thank you in advanve
 
Ulf Dittmer
Rancher
Pie
Posts: 42966
73
  • 0
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Out of curiosity: what good does it do to connect a web app to an NFC reader? What devices might be in the vicinity of a web server?
 
ahmed mego
Greenhorn
Posts: 6
  • 0
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
i use aurdino uno this not important i want only know how i can get value of id from void method donot worry about all code i only need to get value of id there any solution for that
 
Don't get me started about those stupid light bulbs.
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic