ios - 想要将好友列表从 twitter 显示到 iPhone 应用程序中

Question

我正在使用适用于 iOS 5 的 Twitter 和 Accounts Framework。问题是我无法使用http://api.twitter.com/1/friends/ids.json?screen_name=%@ “这个 api获取朋友列表.但是从twitter api explorer，我得到了朋友列表。（twitter explorer api = https://dev.twitter.com/console）。

Answer 1

我正在使用适用于 iOS 的 Twitter 原生框架。

要从 Twitter 获取好友列表，您可以这样做（四个步骤）。

1. 将 Twitter 和 Accounts Framework 添加到项目中。
2. 获取当前 Twitter 帐户实例。
3. 然后您将通过 API Request 从 Twitter 获取好友 ID 列表。
4. 最后，您可以通过 ID 获取好友名称或其他数据并放入 Array

所以...您的 .h 文件应如下所示

#import <UIKit/UIKit.h>
#import <Twitter/Twitter.h>
#import <Accounts/Accounts.h>

@interface LoginView : UIViewController{    

    ACAccount *myAccount;  
    NSMutableString *paramString;  
    NSMutableArray *resultFollowersNameList;
}

@property(nonatomic,retain) ACAccount *myAccount;
@property(nonatomic, retain) NSMutableString *paramString;
@property(nonatomic, retain) NSMutableArray *resultFollowersNameList;

你的 .m 文件应该是这样的..

Get The Twitter Account Instance
/******To check whether More then Twitter Accounts setup on device or not *****/

-(void)getTwitterAccounts {

    ACAccountStore *accountStore = [[ACAccountStore alloc] init];    
    ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierTwitter];   
    [accountStore requestAccessToAccountsWithType:accountType
                            withCompletionHandler:^(BOOL granted, NSError *error) {

    if (granted && !error) {
        accountsList = [accountStore accountsWithAccountType:accountType]; 

        int NoOfAccounts = [accountsList count]; 

        if (NoOfAccounts > 1) {      

            NSLog(@"device has more then one twitter accounts %i",NoOfAccounts);

        } 
        else 
        {
            myAccount = [accountsList objectAtIndex:0];             
            NSLog(@"device has single twitter account : 0");           

        }
    } 
    else 
    {
        // show alert with information that the user has not granted your app access, etc.
    }                                

  }];
}


/************* getting followers/friends ID list code start here *******/
// so far we have instnce of current account, that is myAccount //

-(void) getTwitterFriendsIDListForThisAccount{

    /*** url for all friends *****/
    // NSURL *url = [NSURL URLWithString:@"http://api.twitter.com/1/friends/ids.json"]; 

    /*** url for Followers only ****/
    NSURL *url = [NSURL URLWithString:@"http://api.twitter.com/1/followers/ids.json"]; 

    NSDictionary *p = [NSDictionary dictionaryWithObjectsAndKeys:myAccount.username, @"screen_name", nil];

    TWRequest *twitterRequest = [[TWRequest alloc] initWithURL:url parameters:p requestMethod:TWRequestMethodGET];
    [twitterRequest setAccount:myAccount];
    [twitterRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResposnse, NSError *error)
     {
         if (error) {

         }
         NSError *jsonError = nil;
         // Convert the response into a dictionary
         NSDictionary *twitterFriends = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONWritingPrettyPrinted error:&jsonError];         

         NSArray *IDlist = [twitterFriends objectForKey:@"ids"];

         NSLog(@"response value is: %@", IDlist);        

         int count = IDlist.count;         
         for (int i=0; i<count; i++ ) {    


             [paramString appendFormat:@"%@",[IDlist objectAtIndex:i]];             

             if (i <count-1) {
                 NSString *delimeter = @",";
                 [paramString appendString:delimeter];
             }

         }

         NSLog(@"The mutable string is %@", paramString);
         [self getFollowerNameFromID:paramString];
     }
     ];

}


-(void) getFollowerNameFromID:(NSString *)ID{


    NSURL *url = [NSURL URLWithString:@"http://api.twitter.com/1/users/lookup.json"];
    NSDictionary *p = [NSDictionary dictionaryWithObjectsAndKeys:ID, @"user_id",nil];
    NSLog(@"make a request for ID %@",p);

    TWRequest *twitterRequest = [[TWRequest alloc] initWithURL:url
                                                    parameters:p
                                                 requestMethod:TWRequestMethodGET];    
   [twitterRequest setAccount:myAccount];


    [twitterRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error) {
        if (error) {

        }
        NSError *jsonError = nil;       


        NSDictionary *friendsdata = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONWritingPrettyPrinted error:&jsonError];
     //  NSLog(@"friendsdata value is %@", friendsdata);


     //  resultFollowersNameList = [[NSArray alloc]init];
       resultFollowersNameList = [friendsdata valueForKey:@"name"];
        NSLog(@"resultNameList value is %@", resultFollowersNameList);


    }];        

}

如果您对此有任何疑问，请告诉我！！很高兴能帮助你！

Answer 2

在 Swift 4.2、Xcode 10.1 和 iOS 12.1 中

如果您想从 twitter 获取好友/列表数据，您需要使用两个 API。

1) oauth2/令牌 API

2) 好友/列表 API

在oauth2/token api 中，您可以获得访问令牌，因为您需要好友列表的访问令牌。你需要用户 id, screen name。

但是在这里你必须记住一个重要的点。

1) 首先使用oauth2/token api 获取访问令牌。

2) 获取访问令牌后，使用twitter login api 获取用户 ID 和屏幕名称。

3) 现在使用friends/list api。

首先，如果您使用twitter 登录，然后使用 oauth2/token api 访问令牌，您可能会遇到Bad Authentication data错误。因此，请按顺序执行上述 3 个步骤。

1）获取访问令牌代码（oauth2/token api）：

func getAccessToken() {

    //RFC encoding of ConsumerKey and ConsumerSecretKey
    let encodedConsumerKeyString:String = "sx5r...S9QRw".addingPercentEncoding(withAllowedCharacters: CharacterSet.urlHostAllowed)!
    let encodedConsumerSecretKeyString:String = "KpaSpSt.....tZVGhY".addingPercentEncoding(withAllowedCharacters: CharacterSet.urlHostAllowed)!
    print(encodedConsumerKeyString)
    print(encodedConsumerSecretKeyString)
    //Combine both encodedConsumerKeyString & encodedConsumerSecretKeyString with " : "
    let combinedString = encodedConsumerKeyString+":"+encodedConsumerSecretKeyString
    print(combinedString)
    //Base64 encoding
    let data = combinedString.data(using: .utf8)
    let encodingString = "Basic "+(data?.base64EncodedString())!
    print(encodingString)
    //Create URL request
    var request = URLRequest(url: URL(string: "https://api.twitter.com/oauth2/token")!)
    request.httpMethod = "POST"
    request.setValue(encodingString, forHTTPHeaderField: "Authorization")
    request.setValue("application/x-www-form-urlencoded;charset=UTF-8", forHTTPHeaderField: "Content-Type")
    let bodyData = "grant_type=client_credentials".data(using: .utf8)!
    request.setValue("\(bodyData.count)", forHTTPHeaderField: "Content-Length")
    request.httpBody = bodyData

    let task = URLSession.shared.dataTask(with: request) { data, response, error in guard let data = data, error == nil else { // check for fundamental networking error
        print("error=\(String(describing: error))")
        return
        }

        let responseString = String(data: data, encoding: .utf8)
        let dictionary = data
        print("dictionary = \(dictionary)")
        print("responseString = \(String(describing: responseString!))")

        if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 { // check for http errors
            print("statusCode should be 200, but is \(httpStatus.statusCode)")
            print("response = \(String(describing: response))")
        }

        do {
            let response = try JSONSerialization.jsonObject(with: data, options: []) as! Dictionary<String, Any>
            print("Access Token response : \(response)")
            print(response["access_token"]!)
            self.accessToken = response["access_token"] as! String

            self.getStatusesUserTimeline(accessToken:self.accessToken)

        } catch let error as NSError {
            print(error)
        }
    }

    task.resume()
}

输出 ：

{"token_type":"bearer","access_token":"AAAAAAAAAAAAAAAAAAA............xqT3t8T"}

2) 使用推特码登录

@IBAction func onClickTwitterSignin(_ sender: UIButton) {

    //Login and get session
    TWTRTwitter.sharedInstance().logIn { (session, error) in

        if (session != nil) {
            //Read data
            let name = session?.userName ?? ""
            print(name)
            print(session?.userID  ?? "")
            print(session?.authToken  ?? "")
            print(session?.authTokenSecret  ?? "")

             // self.loadFollowers(userid: session?.userID ?? "")

            //Get user email id
            let client = TWTRAPIClient.withCurrentUser()
            client.requestEmail { email, error in
                if (email != nil) {
                    let recivedEmailID = email ?? ""
                    print(recivedEmailID)
                } else {
                    print("error--: \(String(describing: error?.localizedDescription))");
                }
            }
            //Get user profile image url's and screen name
            let twitterClient = TWTRAPIClient(userID: session?.userID)
            twitterClient.loadUser(withID: session?.userID ?? "") { (user, error) in
                print(user?.profileImageURL ?? "")
                print(user?.profileImageLargeURL ?? "")
                print(user?.screenName ?? "")
            }



            let storyboard = self.storyboard?.instantiateViewController(withIdentifier: "SVC") as! SecondViewController
            self.navigationController?.pushViewController(storyboard, animated: true)
        } else {
            print("error: \(String(describing: error?.localizedDescription))");
        }
    }

}

输出：

在这里，您将获得用户名、用户 ID、authtoken、authTokenSecret、屏幕名称和电子邮件等。

3) 现在从 friends/list api 获取好友列表。在这里您可以获取好友/列表、用户/查找、关注者/ID、关注者/列表 api 的数据等...

func getStatusesUserTimeline(accessToken:String) {

    let userId = "109....456"
    let twitterClient = TWTRAPIClient(userID: userId)
    twitterClient.loadUser(withID: userId) { (user, error) in
        if user != nil {
            //Get users timeline tweets
            var request = URLRequest(url: URL(string: "https://api.twitter.com/1.1/friends/list.json?screen_name=KS....80&count=10")!) //users/lookup, followers/ids, followers/list 
            request.httpMethod = "GET"
            request.setValue("Bearer "+accessToken, forHTTPHeaderField: "Authorization")

            let task = URLSession.shared.dataTask(with: request) { data, response, error in guard let data = data, error == nil else { // check for fundamental networking error
                print("error=\(String(describing: error))")
                return
                }

      //                    let responseString = String(data: data, encoding: .utf8)
      //                    let dictionary = data
      //                    print("dictionary = \(dictionary)")
      //                    print("responseString = \(String(describing: responseString!))")

                if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 { // check for http errors
                    print("statusCode should be 200, but is \(httpStatus.statusCode)")
                    print("response = \(String(describing: response))")
                }

                do {
                    let response = try JSONSerialization.jsonObject(with: data, options: [])
                    print(response)

                } catch let error as NSError {
                    print(error)
                }
            }

            task.resume()

        }
    }

}

此代码在任何地方均不可用。我为这段代码做了很多尝试，为此我花了很多时间。谢谢你。