3
// Display the requests dialog
[FBWebDialogs presentRequestsDialogModallyWithSession:nil message:@"Learn how to make your iOS apps social." title:nil parameters:params handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
if (error) {
// Error launching the dialog or sending the request.
NSLog(@"Error sending request.");
}
else {
if (result == FBWebDialogResultDialogNotCompleted) {
// User clicked the "x" icon
NSLog(@"User canceled request.");
}
else {
// Handle the send request callback
NSDictionary *urlParams = [self parseURLParams:[resultURL query]];
if (![urlParams valueForKey:@"request"]) {
// User clicked the Cancel button
NSLog(@"User canceled request.");
}
else {
// User clicked the Send button
NSString *requestID = [urlParams valueForKey:@"request"];
NSLog(@"Request ID: %@", requestID);
}
}
}
}];