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How to "double-check" email permission using the iOS SDK for Android 3.21.1?

Right now, my login by clicking the Facebook button displays the following method:

- (void)openFacebookSession
{
    [FBSession openActiveSessionWithReadPermissions:@[@"public_profile", @"user_friends", @"email"] allowLoginUI:YES completionHandler:^(FBSession *session, FBSessionState state, NSError *error) {
        [self sessionStateChanged:session state:state error:error];
    }];
}

This works great as long as the user does not deny access to "email". I see in the FB docs that I can re-request access to the user's email once. According to FB docs :

If someone has denied permission for your application, the login dialog will prevent your application from re-requesting permission unless you pass auth_type = rerequest along with your request.

How to pass "auth_type = rerequest" to Facebook servers via iOS SDK? Is there a dedicated method for this?

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1 answer


You can simply call the [FBSession requestNewReadPermissions: completeHandler:] method. It will automatically add the regressive auth_type for you.



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