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copied!<p>You can do batch requests with the Facebook iOS SDK, but you need to prepare the JSON requests yourself. Here is an example:</p> <ul> <li>First, create a JSON array string containing 2 JSON requests (see <a href="http://developers.facebook.com/docs/api/batch">http://developers.facebook.com/docs/api/batch</a>). You can use your preferred JSON API to create these strings.</li> <li>Second, create the dictionary of parameters with the "batch" key mapped to the JSON requests string.</li> <li>Then, send the request. Note that you need to put something in requestWithGraphPath. I simply put "me" (this request is NOT considered). You also MUST send it as a POST http method.</li> <li>Finally, wait for the response array in request:didLoad.</li> </ul> <hr> <pre><code>-(void) prepareMyBatchRequest { NSString *jsonRequest1 = @"{ \"method\": \"GET\", \"relative_url\": \"me/friends\" }"; NSString *jsonRequest2 = @"{ \"method\": \"GET\", \"relative_url\": \"me/albums\" }"; NSString *jsonRequestsArray = [NSString stringWithFormat:@"[ %@, %@ ]", jsonRequest1, jsonRequest2]; NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObject:jsonRequestsArray forKey:@"batch"]; [facebook requestWithGraphPath:@"me" andParams:params andHttpMethod:@"POST" andDelegate:self]; } - (void)request:(FBRequest *)request didLoad:(id)result { NSArray *allResponses = result; for ( int i=0; i < [allResponses count]; i++ ) { NSDictionary *response = [allResponses objectAtIndex:i]; int httpCode = [[response objectForKey:@"code"] intValue]; NSString *jsonResponse = [response objectForKey:@"body"]; if ( httpCode != 200 ) { NSLog( @"Facebook request error: code: %d message: %@", httpCode, jsonResponse ); } else { NSLog( @"Facebook response: %@", jsonResponse ); } } } </code></pre> <p>Concerning your other question, I don't know (try to ask other questions in distinct posts so it's easier to follow-up).</p>

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