iphone - Facebook graph api -

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whenever click facebook, pop-up shows "you have authorized app ", everytime login through facebook.can remove popup. using facebook sdk 2.x ios.

it checked whether session there or not , continues logged in condition

 if (![[delegate facebook] issessionvalid]) {    [[delegate facebook] authorize:permissions];   } else {    nslog(@"seesion found");  [self apifqlime];  }

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