未使用 Facebook 4.4.0 SDK 获取电子邮件和公开个人资料 [英] Not getting Email and public profile using Facebook 4.4.0 SDK

问题描述

我目前正在开发 Facebook SDK 4.4.0.在 4.4.0 版本之前，在 4.3.0 中我们收到了带有以下代码的电子邮件 public_profile

I am currently working on Facebook SDK 4.4.0. Before 4.4.0 version, in 4.3.0 we were getting email, public_profile with the following code

NSArray *arrFBPermission = [[NSArray alloc]initWithObjects:@"email",@"public_profile", nil];
    [loginUsingFB logInWithReadPermissions:arrFBPermission handler:^(FBSDKLoginManagerLoginResult *result, NSError *error){ 
[[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:nil] startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error){
                      if (!error){
                          NSString *fnm = [result valueForKey:@"first_name"];
                          NSString *lnm = [result valueForKey:@"last_name"];
                      }
else{
     Nslog("%@", error localizedDescription);
}
                  }];
}

现在在新 SDK(即 4.4.0)中我没有得到这些值.为什么?我想要来自 Facebook 的电子邮件、名字、姓氏和 ID.

Now in the New SDK (i.e. 4.4.0) I am not getting these values. Why? I want email, first_name, last_name, id from Facebook.

推荐答案

在 Facebook 4.4 SDK 中有一个细微的变化.您必须使用 FBSDKGraphRequest 从 Facebook 帐户请求参数.

With Facebook 4.4 SDK there is a slight change. You must have to request the parameter with the FBSDKGraphRequest which you want from Facebook account.

在您的代码中，参数中有 nil :

In your code there is nil in parameters :

使用如下参数更新您的代码:

Update your code with the parameters like as :

[[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:@{@"fields": @"id, name, link, first_name, last_name, picture.type(large), email, birthday, bio ,location , friends ,hometown , friendlists"}]

如果您想使用自定义按钮登录 Facebook，那么您可以使用如下完整代码:

If you want to login with Facebook with the use of Custom Button then you can use the complete code as follows :

- (IBAction)btnFacebookPressed:(id)sender {
    FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init];
    login.loginBehavior = FBSDKLoginBehaviorBrowser;
    [login logInWithReadPermissions:@[@"email"] handler:^(FBSDKLoginManagerLoginResult *result, NSError *error)
     {
         if (error)
         {
             // Process error
         }
         else if (result.isCancelled)
         {
             // Handle cancellations
         }
         else
         {
             if ([result.grantedPermissions containsObject:@"email"])
             {
                 NSLog(@"result is:%@",result);
                 [self fetchUserInfo];
                 [login logOut]; // Only If you don't want to save the session for current app
             }
         }
     }];
}
-(void)fetchUserInfo
{
    if ([FBSDKAccessToken currentAccessToken])
    {
        NSLog(@"Token is available : %@",[[FBSDKAccessToken currentAccessToken]tokenString]);

        [[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:@{@"fields": @"id, name, link, first_name, last_name, picture.type(large), email"}]
         startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) {
             if (!error)
             {
                 NSLog(@"resultis:%@",result);

             }
             else
             {
                 NSLog(@"Error %@",error);
             }
         }];
    }
}

希望它对你有用.

这篇关于未使用 Facebook 4.4.0 SDK 获取电子邮件和公开个人资料的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！