Posting links to facebook wall from iPhone app - ios

Question

I am posting to the facebook wall from an iPhone app. It works well when I just sends a message, but when I try to add a link the message is not posted on Facebook.
Code:
NSString *link = #"http://www.foo.com";
NSString *linkName = #"Bar";
NSString *linkCaption = #"Foo Bar";
NSString *linkDescription = #"Fooooooo Bar";
NSString *message = #"Message";
NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
kAppId, #"api_key",
message, #"message",
linkName, #"name",
linkDescription, #"description",
link, #"link",
linkCaption, #"caption",
nil];
[_facebook requestWithGraphPath: #"me/feed"
andParams: params
andHttpMethod: #"POST"
andDelegate: self];
It is when I add the link and caption to the params dictionary that FaceBook will not post on the wall. I don't even get an error in (void) request: (FBRequest *) request didFailWithError: (NSError *) error so it seems Facebook thinks the request is ok.

Answer 1

You may want to check out ShareKit. It's a pretty well-maintained open-source library for interfacing with the various social web services and leaves maintaining API compatibility with the ShareKit community.

Answer 2

I just posted the Link in FB with the use of attachment...
NSDictionary* attachment = [NSDictionary dictionaryWithObjectsAndKeys:
#"Visit My Site", #"name",
#"http://www.mysite.com", #"href", nil];
NSString *attachmentStr = [jsonWriter stringWithObject:attachment];
NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:#"Your Message",#"message",
attachmentStr,#"attachment",nil];

Answer 3

For showing links on FB, u could make use of actionLinks.
delgates as
dialog.actionLinks = #"[{\"text\":\"See My App here!\",\"href\":\"http://www.facebook.com/developers/apps.php?app_id=178257532217623&ret=2/\"}]";
this will show ur links on right side of the post

Answer 4

I'm not sure what your problem is, since everything looks fine, but this might help you troubleshoot:
http://developers.facebook.com/docs/reference/rest/stream.publish/
Try posting your message via form on that page and see what Facebook tells you. If there is a problem, you'll see an error message.
To post a link you need to add an attachment with this syntax:
{ "href": "http://www.fantasy-fan.org", "name": "test", "caption": "test2", "description": "test3", "media": [{ "type": "image", "src": "http://dragontest.fantasy-fan.org/images/dwarf.jpg", "href": "http://www.fantasy-fan.org" }]}

Answer 5

If you are using FBConnect then use this methods every thing is post on FB wall.
- (void)postToWall
{
FBStreamDialog *dialog = [[[FBStreamDialog alloc] init] autorelease];
dialog.userMessagePrompt = #"Enter your message:";
dialog.attachment = [NSString stringWithFormat:#"{\"name\":\"Facebook Connect for iPhone\",\"href\":\"http://developers.facebook.com/connect.php?tab=iphone\",\"caption\":\"Caption\",\"description\":\"Description\",\"media\":[{\"type\":\"image\",\"src\":\"http://img40.yfrog.com/img40/5914/iphoneconnectbtn.jpg\",\"href\":\"http://developers.facebook.com/connect.php?tab=iphone/\"}],\"properties\":{\"another link\":{\"text\":\"Facebook home page\",\"href\":\"http://www.facebook.com\"}}}"];
[dialog show];
}

Answer 6

I had the same problem but with a PHP app and solved it by getting a page access token. Once you have a user access token go to:
https://graph.facebook.com/me/accounts?access_token=USER_ACCESS_TOKEN
Within the returned data find the page's name and and its corresponding access token. Using the page access token allowed my links to be posted.

Answer 7

Use This.This one is working fine for me.
NSString *graphPath = #"me/feed";
NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
self.link,#"link",
self.url,#"picture",
self.message,#"name",
#"Write_Captioon",#"caption",
self.description,#"description",
/*#"Facebook Dialogs are so easy!",#"message",*/
nil];
[[FBRequestWrapper defaultManager] sendFBRequestWithGraphPath:graphPath params:params andDelegate:self];
Check your url too,may be that url is not of proper form.I didn't face this kind of problem in Facebook but in case LinkedIn when my url has "=",the post was not being shared,but was successfully sharing with other urls.Hope this will help you.