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POposting high score on facebook using graph api
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copied!<p>Edit: 10-9-10<br> I think the app is crashing when the JSON library tries to parse the </p> <pre><code>[NSString stringWithFormat:@"%d weeks",[components week]]; </code></pre> <p>How would i format it so that JSON can parse it?</p> <p>Here's the JSON code line</p> <pre><code>NSString *attachmentStr = [jsonWriter stringWithObject:attachment]; NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys: kAppId, @"api_key", @"Share on Facebook", @"user_message_prompt", actionLinksStr, @"action_links", attachmentStr, @"attachment", nil]; </code></pre> <p>Can anyone point me to a tutorial on how to do this? I can easily post the static text in the code block below but i can't integrate an <code>NSString</code> with dynamic data, it doesn't show up on the Fb post attachment section.</p> <pre><code> NSDictionary *attachment = [NSDictionary dictionaryWithObjectsAndKeys: @"Testing", @"name", @"testing2", @"caption", [NSString stringWithFormat:@"%d weeks",[components week]], @"description"//Xcode says components undeclared //highscore, @"description", //here's the problem, highscore is the NSString variable. @"http://testing.com/", @"href", nil]; </code></pre> <p>Update: the problem is the string i'm using is from a time interval of the difference of 2 weeks and the out put is <code>[components week]</code> and then xcode tells me components is an undeclared variable</p> <pre><code>[NSString stringWithFormat:@"%d weeks",[components week]] </code></pre> <p>here's the whole date code block that i get the string above from:</p> <pre><code>NSString *dateStr = @"20100716"; NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init]; [dateFormat setDateFormat:@"yyyyMMdd"]; NSDate *startDate = [dateFormat dateFromString:dateStr]; NSDate *endDate = [NSDate date]; NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSUInteger unitFlags = NSWeekCalendarUnit | NSDayCalendarUnit; NSDateComponents *components = [gregorian components:unitFlags fromDate:startDate toDate:endDate options:0]; NSInteger weeks = [components week]; NSInteger days = [components day]; </code></pre>

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