Facebook 图 API 上传图片问题

Question

I've searched all through the web and have downloaded the Facebook SDK thing to try out the upload photo function and it worked there. 与我的应用程序完全相同的代码，但它不起作用。 请帮忙？？？ 这些是我的代码：

- (IBAction)pushUpload:(id)sender {

    NSString *path = @"http://www.facebook.com/images/devsite/iphone_connect_btn.jpg";
    NSURL *url = [NSURL URLWithString:path];
    NSData *data = [NSData dataWithContentsOfURL:url];
    UIImage *img  = [[UIImage alloc] initWithData:data];

    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   img, @"picture",
                                   nil];

    [_facebook requestWithGraphPath:@"me/photos"
                          andParams:params
                      andHttpMethod:@"POST"
                        andDelegate:self];

    [img release];

    [loadingIcon startAnimating];
}

如您所见，我已将 loadingIcon 放在那里以在其上传时开始制作动画。并且在请求 didload 时，我在成功上传后执行了 stopanimating 命令。

-(void)request:(FBRequest *)request didLoad:(id)result{

    [loadingIcon stopAnimating];
    if ([result isKindOfClass:[NSArray class]]) {
        result = [result objectAtIndex:0];
    }
    if ([result objectForKey:@"owner"]) {
        [loadingIcon stopAnimating];

        UIAlertView *alert;

        alert = [[UIAlertView alloc] initWithTitle:@"" 
                                           message:@"Photo uploaded." 
                                          delegate:self cancelButtonTitle:@"Ok" 
                                 otherButtonTitles:nil];

        [alert show];
        [alert release];
    } else {
       // [self.label setText:[result objectForKey:@"name"]];
    }
}

问题是，加载图标只是保持动画，没有错误，几乎没有图片上传到我的 facebook 帐户。 任何想法为什么？

这是 my.h 文件中的代码：

@interface UploadPhotosViewController: UIViewController(FBRequestDelegate, FBDialogDelegate, FBSessionDelegate){

 IBOutlet UIImageView *imageView; IBOutlet UIActivityIndicatorView *loadingIcon; IBOutlet UIBarButtonItem *_pushPick; IBOutlet UIBarButtonItem *_pushUpload; Facebook * _facebook; }

@property(只读) Facebook *facebook;

• (IBAction)pushUpload:(id)sender;
• (IBAction)pushPick:(id)sender;

//UINavigationControllerDelegate, UIImagePickerControllerDelegate,

@结尾

另一件需要注意的是，当应该有（FBRequestDelegate，FBDialogDelegate，FBSessionDelegate）时，没有 colors 指标..这是一个问题吗？

Answer 1

我认为这是因为您没有正确声明您的协议。 他们 go 在尖括号中，而不是在括号中。

@interface UploadPhotosViewController : UIViewController<FBRequestDelegate, FBDialogDelegate, FBSessionDelegate>

Answer 2

检查您是否在 your.h 文件中写入了 Facebook 的代表。 还要检查这个代码它对我有用..

NSString *string=@"Images of me";
SBJSON *jsonWriter = [[SBJSON new] autorelease];
    NSDictionary* attachment = [NSDictionary dictionaryWithObjectsAndKeys:
                                @"My name", @"name",
                                string, @"description", nil];
    NSString *attachmentStr = [jsonWriter stringWithObject:attachment];



    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   @"This is image",@"description",
                                   @"Share on Facebook",  @"user_message_prompt",
                                   //actionLinksStr, @"action_links",
                                   attachmentStr, @"attachment",    
                                  /*Your image here", @"picture",
                                   nil];

试试这个代码

希望能帮助到你....

Answer 3

试试我/喂而不是我/照片。

[_facebook requestWithGraphPath:@"me/feed"
                      andParams:params
                  andHttpMethod:@"POST"
                    andDelegate:self];