如何在 Twitter 帐户中发布图像，在 iOS 中使用 oauth？

Question

我已经成功接收到如下的 twitter oauth 数据（在用户登录后），尽管我搜索了很多，但我还没有找到一种可以很好地发布图片的方法在用户的 Twitter 个人资料中。有详细教程吗？

  oauth_token=xxxxxxxxjU8gs6&oauth_token_secret=xxxxD7ITa&user_id=xxx73&screen_name=manostijeras&oauth_verifier=xx07

谢谢

PS：我使用本教程接收 twitter oauth 数据 http://www.icodeblog.com/2010/09/16/dealing-with-the-twitter-oauth-apocalypse/

Answer 1

这是程序->

OAToken *token = [[OAToken alloc] initWithKey:OauthAccessToken secret:OauthAccessSecrateKey]; //Set user Oauth access token and secrate key
OAConsumer *consumer = [[OAConsumer alloc] initWithKey:ConsumerToken secret:ConsumerSecrateKey]; // Application cosumer token and secrate key

// Url for upload pictures
NSURL *finalURL = [NSURL URLWithString:@"https://api.twitter.com/1.1/statuses/update_with_media.json];

OAMutableURLRequest *theRequest = [[OAMutableURLRequest alloc] initWithURL:finalURL
                                                                   consumer:consumer
                                                                      token:token
                                                                      realm: nil
                                                          signatureProvider:nil];

[theRequest setHTTPMethod:@"POST"];
[theRequest setTimeoutInterval:120];
[theRequest setHTTPShouldHandleCookies:NO];

// Set headers for client information, for tracking purposes at Twitter.(This is optional)
[theRequest setValue:@"TestIphone" forHTTPHeaderField:@"X-Twitter-Client"];
[theRequest setValue:@"1.0" forHTTPHeaderField:@"X-Twitter-Client-Version"];
[theRequest setValue:@"http://www.TestIphone.com/" forHTTPHeaderField:@"X-Twitter-Client-URL"];

NSString *boundary = @"--Hi all, First Share"; // example taken and implemented.
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[theRequest setValue:contentType forHTTPHeaderField:@"content-type"];

NSMutableData *body = [NSMutableData data];

[body appendData:[[NSString stringWithFormat:@"--%@\r\n\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"status\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@",@"latest upload"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"media[]\"; filename=\"vizllx_pic1.png\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:UIImageJPEGRepresentation([UIImage imageNamed:@"vizllx_pic.png"], 0.5)]];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];

[theRequest prepare];

NSString *oAuthHeader = [theRequest valueForHTTPHeaderField:@"Authorization"];
[theRequest setHTTPBody:body];

NSHTTPURLResponse *response = nil;
NSError *error = nil;

NSData *responseData = [NSURLConnection sendSynchronousRequest:theRequest
                                             returningResponse:&response                            
                                                         error:&error];
NSString *responseString = [[NSString alloc] initWithData:responseData                                
                                                 encoding:NSUTF8StringEncoding];