i am trying to open the session like this, but it returns accesstoken null.
NSArray *permissions = [[NSArray alloc] initWithObjects:@"basic_info",@"email", nil];
[FBSession openActiveSessionWithReadPermissions:permissions
allowLoginUI:YES
completionHandler:^(FBSession *session,
FBSessionState status,
NSError *error) {
NSString * accessToken = [[[FBSession activeSession] accessTokenData] accessToken];
NSLog(@"stringtoken%@",accessToken);
if([accessToken isKindOfClass:[NSString class]])
{
}
what is wrong with my code and what should i do? thanx in advance.