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How to take a screenshot in your App and publish it on facebook?

BarryK88BarryK88 Posts: 25Registered Users
in iPhone SDK Development
I'm trying to use facebook within my App by posting a screenshot of my App on my wall.

I already made the functions for taking a screenshot

UIGraphicsBeginImageContext(self.view.bounds.size);
            [self.view.layer renderInContext:UIGraphicsGetCurrentContext()];
            UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
            UIGraphicsEndImageContext();

            UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);


and for posting stuff on my facebook wall with an icon, title and small description.

- (void)postToWall {

    FBStreamDialog* dialog = [[[FBStreamDialog alloc] init] autorelease];
    dialog.userMessagePrompt = @\"Enter your message:\";
    dialog.attachment = [NSString stringWithFormat:@\"{\\"name\\":\\"%@ share's a photo\\",\\"href\\":\\"mywebsite.com/\\",\\"caption\\":\\"%@thinks this is a nice photo\\",\\"description\\":\\"\\",\\"media\\":[{\\"type\\":\\"image\\",\\"src\\":\\"mywebsite.com/icon.png\\",\\"href\\":\\"mywebsite.com/\\"}]}\",
                         _facebookName, _facebookName];

    dialog.actionLinks = @\"[{\\"text\\":\\"Get My App\\",\\"href\\":\\"http://itunes.apple.com//\\"}]\"; 
}


Any suggestions of how to put my screenshot within the postToWall method? Thanks in advance!
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