如何从 Facebook iOS sdk 获取好友列表

Posted 2023-03-17

【中文标题】如何从 Facebook iOS sdk 获取好友列表

【英文标题】：How to get Friends list from Facebook iOS sdk

【发布时间】：2014-09-29 09:03:05

【问题描述】：

我正在使用 ios sdk v3.18.1，我想获取我所有的 Facebook 好友。我可以获取好友数，但是数据为零。

这是我的代码

[FBRequestConnection startWithGraphpath:@"me/friends" parameters:nil HTTPMethod:@"GET" completionHandler:^(FBRequestConnection *connection, id result, NSError *error) 
        NSLog(@"result %@",result);
    ];

输出

    data =     (
    );
    summary =     
        "total_count" = 840;
    ;

【问题讨论】：

查看***.com/questions/6638955/…

/me/friendlist 是错误的，它给你的列表，但不是朋友

【参考方案1】：

https://developers.facebook.com/docs/apps/changelog

从 v2.0 开始，您无法获取完整的好友列表，您只能获取授权您的应用的好友。

也可以在此线程中查看我的答案：how to get a list of all user friends (not only who use the app)?

【参考方案2】：

// declare an array in header file which will hold the list of all friends - 
NSMutableArray * m_allFriends;

// alloc and initialize the array only once 
m_allFriends = [[NSMutableArray alloc] init];

使用 FB SDK 3.0 和 2.0 以上的 API 版本，您需要调用以下函数（与我/朋友的图形 api）来获取使用相同应用程序的 FB 朋友列表。

// get friends which use the app

-(void) getMineFriends

    [FBRequestConnection startWithGraphPath:@"me/friends"
                                 parameters:nil
                                 HTTPMethod:@"GET"
                          completionHandler:^(
                                              FBRequestConnection *connection,
                                              id result,
                                              NSError *error
                                              ) 
                              NSLog(@"me/friends result=%@",result);

                              NSLog(@"me/friends error = %@", error.description);

                              NSArray *friendList = [result objectForKey:@"data"];

                              [m_allFriends addObjectsFromArray: friendList];
                          ];

注意 : 1) 上述查询返回的好友数量默认限制为 25。 2) 如果结果中有下一个链接，则表示您将在下一个查询中获取更多好友，依此类推. 3）或者，您可以更改限制（减少限制，超过 25 的限制）并在参数中传递。

////////////////////////////////////////////////////////////////////////

对于非应用好友 -

// m_invitableFriends - global array which will hold the list of invitable friends

还要获得非应用好友，您需要使用 (/me/invitable_friends) 如下 -

- (void) getAllInvitableFriends

    NSMutableArray *tempFriendsList =  [[NSMutableArray alloc] init];
    NSDictionary *limitParam = [NSDictionary dictionaryWithObjectsAndKeys:@"100", @"limit", nil];
    [self getAllInvitableFriendsFromFB:limitParam addInList:tempFriendsList];


- (void) getAllInvitableFriendsFromFB:(NSDictionary*)parameters
                            addInList:(NSMutableArray *)tempFriendsList

    [FBRequestConnection startWithGraphPath:@"/me/invitable_friends"
                                 parameters:parameters
                                 HTTPMethod:@"GET"
                          completionHandler:^(
                                              FBRequestConnection *connection,
                                              id result,
                                              NSError *error
                                              ) 
                              NSLog(@"error=%@",error);

                              NSLog(@"result=%@",result);

                              NSArray *friendArray = [result objectForKey:@"data"];

                              [tempFriendsList addObjectsFromArray:friendArray];

                              NSDictionary *paging = [result objectForKey:@"paging"];
                              NSString *next = nil;
                              next = [paging objectForKey:@"next"];
                              if(next != nil)
                              
                                  NSDictionary *cursor = [paging objectForKey:@"cursors"];
                                  NSString *after = [cursor objectForKey:@"after"];
                                  //NSString *before = [cursor objectForKey:@"before"];
                                  NSDictionary *limitParam = [NSDictionary dictionaryWithObjectsAndKeys:
                                                              @"100", @"limit", after, @"after"
                                                              , nil
                                                              ];
                                  [self getAllInvitableFriendsFromFB:limitParam addInList:tempFriendsList];
                              
                              else
                              
                                  [self replaceGlobalListWithRecentData:tempFriendsList];
                              
                          ];


- (void) replaceGlobalListWithRecentData:(NSMutableArray *)tempFriendsList

    // replace global from received list
    [m_invitableFriends removeAllObjects];
    [m_invitableFriends addObjectsFromArray:tempFriendsList];
    //NSLog(@"friendsList = %d", [m_invitableFriends count]);
    [tempFriendsList release];

用于邀请非应用好友 -

您将获得带有我/invitable_friends graph api返回的朋友列表的邀请令牌。您可以将这些邀请令牌与 FBWebDialogs 一起使用，如下所示向朋友发送邀请

- (void) openFacebookFeedDialogForFriend:(NSString *)userInviteTokens 

    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   userInviteTokens, @"to",
                                   nil, @"object_id",
                                   @"send", @"action_type",
                                   actionLinksStr, @"actions",
                                   nil];

    [FBWebDialogs
     presentRequestsDialogModallyWithSession:nil
     message:@"Hi friend, I am playing game. Come and play this awesome game with me."
     title:nil
     parameters:params
     handler:^(
               FBWebDialogResult result,
               NSURL *url,
               NSError *error)
     
         if (error) 
             // Error launching the dialog or sending the request.
             NSLog(@"Error sending request : %@", error.description);
         
         else
         
             if (result == FBWebDialogResultDialogNotCompleted)
             
                 // User clicked the "x" icon
                 NSLog(@"User canceled request.");
                 NSLog(@"Friend post dialog not complete, error: %@", error.description);
             
             else
             
                 NSDictionary *resultParams = [g_mainApp->m_appDelegate parseURLParams:[url query]];

                 if (![resultParams valueForKey:@"request"])
                 
                     // User clicked the Cancel button
                     NSLog(@"User canceled request.");
                 
                 else
                 
                     NSString *requestID = [resultParams valueForKey:@"request"];

                     // here you will get the fb id of the friend you invited,
                     // you can use this id to reward the sender when receiver accepts the request

                     NSLog(@"Feed post ID: %@", requestID);
                     NSLog(@"Friend post dialog complete: %@", url);
                 
             
         
     ];

【参考方案3】：

自 Graph API V2.0 起，您将只能获取与您的应用关联的好友列表。在 Graph API v2.0 中，调用 /me/friends 会返回该人使用该应用程序的朋友。是的，可以获取计数，但无法访问好友列表。

4 月之后发布的所有 Facebook SDK 都拒绝提供获取整个好友列表的功能。

参考：SO QUESTION:Facebook graph API returns empty ....FACEBOOK USER GUIDE

This has been confirmed by FACEBOOK。