Facebook SDK 3.0: how to receive user's e-mail?

Question

In the "old" FB iOS SDK I could receive user information via the following:

NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   @"SELECT uid, name, email, pic FROM user WHERE uid=me()", @"query",
                                   nil];

    JBFacebookManager *fbManager = [JBFacebookManager getInstance];
    fbManager.requestDelegate = self;

    [fbManager.facebook requestWithMethodName:@"fql.query"
                                     andParams:params
                                 andHttpMethod:@"POST"
                                   andDelegate:self];

How can I do this with the new FB iOS SDK 3.0? Do I need to use FBRequest or FBOpenGraphAction or FBGraphObject or a combination of those or something completely different?

score 68 · Accepted Answer · answered Aug 07 '12 at 10:48

if (FBSession.activeSession.isOpen) {
    [[FBRequest requestForMe] startWithCompletionHandler:^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
         if (!error) {
             self.nameLabel.text = user.name;
             self.emailLabel.text = [user objectForKey:@"email"];
         }
     }];
}

Because FBGraphUser doesn't have an email @property, we can't access the information like with the name (dot-syntax), however the NSDictionary still has the email kv-pair and we can access it like we would do with a normal NSDictionary.

Don't forget to ask for the email permission though:

NSArray *permissions = [[NSArray alloc] initWithObjects:@"email", nil];
[FBSession sessionOpenWithPermissions:permissions completionHandler:
 ^(FBSession *session, FBSessionState state, NSError *error) {
     [self facebookSessionStateChanged:session state:state error:error];
 }];

sessionOpenWithPermissions:@[@"email"]; for a short and more readable line. — Raphael Oliveira, Jan 22 '13 at 11:39
is there a way like FBLoginView that with one WS you can get the user information? Like this (by the way, this is how I implemented it), if you want to log in to your own system after the facebook log in you have 3 consecutives WS. — Cristian Pena, Feb 26 '15 at 17:48

score 5 · Answer 2 · answered Oct 22 '13 at 00:04

5

Once you have access to (id<FBGraphUser>)user, you could simply use, user[@"email"].

answered Oct 22 '13 at 00:04

Zorayr

23,770
8
136
129

score 1 · Answer 3 · edited Jul 19 '14 at 11:20

1

Did you read the source code of the 3.0 SDK? There is a method that I think is identical:

- (FBRequest*)requestWithMethodName:(NSString *)methodName
                          andParams:(NSMutableDictionary *)params
                      andHttpMethod:(NSString *)httpMethod
                        andDelegate:(id <FBRequestDelegate>)delegate;

edited Jul 19 '14 at 11:20

Inder Kumar Rathore

39,458
17
135
184

answered Aug 07 '12 at 10:47

jasondinh

918
7
21

Not exactly the same: https://developers.facebook.com/docs/sdk-reference/iossdk/3.0/class/FBRequest/. I figured out a solution and just posted it as well. – znq Aug 07 '12 at 10:50

score 1 · Answer 4 · answered Aug 22 '13 at 12:12

from this we can get facebook user's basic info and email id.

[FBSession openActiveSessionWithReadPermissions:@[@"basic_info",@"email"] allowLoginUI:YES completionHandler:^(FBSession *session,FBSessionState status,NSError *error){
        if(error)
        {
            NSLog(@"Facebook Error : %@",error.localizedDescription);
        }
        else{

        }
        // Respond to session state changes,
        // ex: updating the view

    }];

Thanks I forgot to add @"email" in permissions – Jasmeet Sep 18 '14 at 07:07 — Jasmeet, Sep 18 '14 at 07:07

score 0 · Answer 5 · answered Apr 21 '16 at 12:05

The easiest method for getting the info after logging in is :

-(IBAction)loginWithFacebook:(id)sender{
FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init];
[login
 logInWithReadPermissions: @[@"public_profile",@"email"]
 fromViewController:self
 handler:^(FBSDKLoginManagerLoginResult *result, NSError *error) {
     if (error) {
         NSLog(@"Process error");
     } else if (result.isCancelled) {
         NSLog(@"Cancelled");
     } else {
         NSLog(@"Logged in");
         [self getFacebookProfileInfos];

     }
  }];
}

-(void)getFacebookProfileInfos {
NSDictionary *parameters = @ {@"fields": @"id, name, first_name, last_name, picture.type(large), email"};
if ([FBSDKAccessToken currentAccessToken]) {
    [[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:parameters]
     startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) {
         if (!error) {
             NSLog(@"fetched user:%@", result);
         }
     }];
}

}

You will get all the info the result.

Facebook SDK 3.0: how to receive user's e-mail?

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