如何在 iPhone 中发布带有一些文字的图片答案

【问题标题】：How to twit a picture with some text in iPhone如何在 iPhone 中发布带有一些文字的图片
【发布时间】：2011-02-28 08:33:01
【问题描述】：

我想知道有什么方法可以在推特上发布带有一些文字的图片，有人建议使用“http://tinyurl.com/”。我不知道从哪里开始，在我的以前的应用程序我成功地推特，但只包含文本。正确的前进方向会很有帮助。

【问题讨论】：

标签： iphone

【解决方案1】：

有几种方法。我建议你使用ShareKit。它会为您完成大部分工作。

【讨论】：

实际上我找到了我想要的解决方案无法实现，twitter 不会在任何 twit 中显示图像，而是通过单击图像链接在不同的窗口中显示图像...... . 我们使用 tinyurl，因为 url 实际上可能非常长，而 twitter 仅支持 140 个字符。虽然您的链接为我提供了一个很好的 api 供进一步使用......谢谢你:)

【解决方案2】：

要将图像发布到推特，我们必须首先将图像发布到推特选择，然后我们必须将该 URL 发送到推特，这是将图像发送到推特的过程这是将图像发送到推特的示例代码...... .......

NSString *postUrl = @"https://api.twitter.com/1/statuses/update.json";

ASIFormDataRequest *request = [[ASIFormDataRequest alloc]
                               initWithURL:[NSURL URLWithString:postUrl]];

NSMutableDictionary *postInfo = [NSMutableDictionary
                                 dictionaryWithObject:statusText.text
                                 forKey:@"status"];

NSLog(@"%@",postInfo);
NSString *str1= statusText.text;

NSLog(@"Status posted. HTTP result code: %d", request.responseStatusCode);



[request release];

[statusText resignFirstResponder];  

ASIFormDataRequest *req = [[ASIFormDataRequest alloc] initWithURL:[NSURL URLWithString:@"http://api.twitpic.com/2/upload.json"]];


[req addRequestHeader:@"X-Auth-Service-Provider" value:@"https://api.twitter.com/1/account/verify_credentials.json"];
[req addRequestHeader:@"X-Verify-Credentials-Authorization"
                value:[oAuth oAuthHeaderForMethod:@"GET"
                                           andUrl:@"https://api.twitter.com/1/account/verify_credentials.json"
                                        andParams:nil]];    
[req setData:UIImageJPEGRepresentation(imageView.image, 0.8) forKey:@"media"];

// Define this somewhere or replace with your own key inline right here.

[req setPostValue:@"74734e805f2ad85afae441ca12c16087" forKey:@"key"];
[req startSynchronous];

NSLog(@"Got HTTP status code from TwitPic: %d", [req responseStatusCode]);

NSLog(@"Response string: %@", [req responseString]);


NSDictionary *twitpicResponse = [[req responseString] JSONValue];
NSLog(@"%@",[[req responseString] JSONValue]);
textView.text = [NSString stringWithFormat:@"Posted image URL: %@", [twitpicResponse valueForKey:@"url"]];
NSString *str=[NSString stringWithFormat:@" %@",[twitpicResponse valueForKey:@"url"]];
NSLog(@"%@",str);
if([str isEqualToString:@" (null)"])
{
    UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:@"Could not authenticate you(header rejected by twitter)" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
    [alertView show];
}
else 
{

    NSString *postUrl = @"https://api.twitter.com/1/statuses/update.json";

    ASIFormDataRequest *request = [[ASIFormDataRequest alloc]
                                   initWithURL:[NSURL URLWithString:postUrl]];
    NSString *txtmessage=[str1 stringByAppendingString:str];

    /*NSMutableDictionary *postInfo = [NSMutableDictionary
                                     dictionaryWithObject:[twitpicResponse valueForKey:@"url"]
                                     forKey:@"status"];*/
    NSMutableDictionary *postInfo = [NSMutableDictionary
                                     dictionaryWithObject:txtmessage
                                     forKey:@"status"];
    for (NSString *key in [postInfo allKeys]) {
        [request setPostValue:[postInfo objectForKey:key] forKey:key];
    }

    [request addRequestHeader:@"Authorization"
                        value:[oAuth oAuthHeaderForMethod:@"POST"
                                                   andUrl:postUrl
                                                andParams:postInfo]];

    [request startSynchronous];

    if(request.responseStatusCode!=200)
    {
        UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:@"Already posted" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
        [alertView show];
    }
    else {
        UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:@"sucess" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
        [alertView show];
    }


    NSLog(@"Status posted. HTTP result code: %d", request.responseStatusCode);

    statusText.text = @"";

    [request release];

    [statusText resignFirstResponder];  
}

【讨论】：