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I’m having a problem with app_data. I post a feed in my timeline with a link. This link is my app url with app_data aka:
http://apps.facebook.com/mfanpage/app_123456?app_data=my-very-important-data-here
When the user clicks in the link, he is directed to my app and Facebook ask for some permissions. If user accept all conditions, he is redirected to the app AND my app_data becomes EMPTY!
What can I do?
Please HELP!
Its because when the user authorizes you’re app, Facebook redirects the user to the
redirect_urithat is provided by default by you’re which basically does not include theapp_datawhich is appended to the url, when the user clicks on the link. So you need to store theapp_datasome how, that when the user authorizes you’re app, you can retrieve it again. Maybe go with thecookiesor HTML5localstoragefor storing it temporarily so that you can retrieve it again.