在iOS中从Facebook获取用户的个人信息

本文介绍了在iOS中从Facebook获取用户的个人信息的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 我对C和iPhone开发环境非常新颖。

我正在我的应用程序中实现Facebook登录，以获取用户名，电子邮件和个人资料图片。我已经成功地实现了登录部分，并且已经收到了该人的姓名和用户ID。

现在我想从Facebook获取用户的电子邮件和个人资料图片。但是我没有任何想法如何得到它。我正在使用Facebook IOS SDK v4.0。

当我有用户ID时，如何从Facebook获取用户的个人资料图片和电子邮件ID？

解决方案

要获取用户电子邮件ID，您必须在登录时请求电子邮件的权限。

FBSDKLoginButton * loginView = [[FBSDKLoginButton alloc] init]; loginView.readPermissions = @ [@email]; loginView.frame = CGRectMake（100，150，100，40）; [self.view addSubview：loginView];

您可以使用GraphPath在新SDK中获取用户电子邮件标识。

[[FBSDKGraphRequest alloc] initWithGraphPath：@me参数：nil] startWithCompletionHandler：^（FBSDKGraphRequestConnection * connection，id result，NSError * error） { if（！error）{ NSLog（@获取用户：％@和电子邮件：％@，结果，结果[@电子邮件]）; } }]; }

结果会让你所有的用户详细信息和结果[@email]将获得登录用户的电子邮件。

要获取个人资料图片，您可以使用

NSURL * url = [NSURL URLWithString：[NSString stringWithFormat：@graph.facebook/%@/picture?type=normal，result [@id]]]; NSData * data = [NSData dataWithContentsOfURL：url]; _imageView.image = [UIImage imageWithData：data];

或者您也可以使用FBSDKProfilePictureView通过传递用户个人资料ID来获取个人资料图片：

FBSDKProfilePictureView * profilePictureview = [[FBSDKProfilePictureView alloc] initWithFrame：_imageView.frame]; [profilePictureview setProfileID：result [@id]]; [self.view addSubview：profilePictureview];

请参阅： developers.facebook/docs/facebook-login/ios/v2.3#profile_picture_view

或者你也可以通过传递参数

[[FBSDKGraphRequest alloc] initWithGraphPath：@me 参数：@ {@fields：@picture，email}] startWithCompletionHandler：^（FBSDKGraphRequestConnection * connection，id result，NSError * error）{ if（！error） { NSString * pictureURL = [NSString stringWithFormat：@％@，[result objectForKey：@picture]]; NSLog（@email is％@，[result objectForKey：@email]）; NSData * data = [NSData dataWithContentsOfURL：[NSURL URLWithString：pictureURL]]; _imageView.image = [UIImage imageWithData：data]; } else { NSLog（@％@，[error localizedDescription]）; } }];

I am quite new to objective-C and iPhone Development environment.

I am implementing Facebook login in my app to get User's name, Email and profile Picture. I have successfully implemented login Part and have received name and User ID of the person.

Now i want to get User's Email and Profile Picture from Facebook.But i am not having any Idea how to get it.I am using Facebook IOS SDK v4.0.

How can i fetch User's Profile picture and Email Id from Facebook when i am having User ID?

解决方案

To get user Email ID you must ask permission for email while logging.

FBSDKLoginButton *loginView = [[FBSDKLoginButton alloc] init]; loginView.readPermissions = @[@"email"]; loginView.frame = CGRectMake(100, 150, 100, 40); [self.view addSubview:loginView];

You can get user email Id in New SDK using GraphPath.

[[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:nil] startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) { if (!error) { NSLog(@"fetched user:%@ and Email : %@", result,result[@"email"]); } }]; }

result would get you all the user Details and result[@"email"] would get you the email for logged in user.

To get Profile picture you can use

NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"graph.facebook/%@/picture?type=normal",result[@"id"]]]; NSData *data = [NSData dataWithContentsOfURL:url]; _imageView.image = [UIImage imageWithData:data];

or u can also use FBSDKProfilePictureView to get profile Picture by passing user profile Id:

FBSDKProfilePictureView *profilePictureview = [[FBSDKProfilePictureView alloc]initWithFrame:_imageView.frame]; [profilePictureview setProfileID:result[@"id"]]; [self.view addSubview:profilePictureview];

Refer to :developers.facebook/docs/facebook-login/ios/v2.3#profile_picture_view

or u can also get both by passing as parameters

[[[FBSDKGraphRequest alloc] initWithGraphPath:@"me" parameters:@{@"fields": @"picture, email"}] startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) { if (!error) { NSString *pictureURL = [NSString stringWithFormat:@"%@",[result objectForKey:@"picture"]]; NSLog(@"email is %@", [result objectForKey:@"email"]); NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:pictureURL]]; _imageView.image = [UIImage imageWithData:data]; } else{ NSLog(@"%@", [error localizedDescription]); } }];