Facebook for iOS 5 and 6

Facebook.mm

- (IBAction)fbBtnTouchUp:(id)sender {

    if(NSClassFromString(@"SLComposeViewController") != nil) {
        if([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {
            SLComposeViewController *controller = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
            
            [controller setInitialText:self.post.title];
            [controller addURL:[NSURL URLWithString:self.post.url]];
            
            [self presentViewController:controller animated:YES completion:Nil];
        }
        else
        {
            UIAlertView *alertView = [[UIAlertView alloc]
                                      initWithTitle:@"Sorry"
                                      message:@"There are not Facebook accounts configured yet"
                                      delegate:self
                                      cancelButtonTitle:@"OK"
                                      otherButtonTitles:nil];
            [alertView show];
        }
    }
    else{
        NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                       @"198914023594250", @"app_id",
                                       self.post.url, @"link",
                                       @"Fuerza", @"name",
                                       @"Fuerza.com", @"caption",
                                       self.post.title, @"description",
                                       nil];
        [FBWebDialogs presentFeedDialogModallyWithSession:nil parameters:params handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
            if (result == FBWebDialogResultDialogCompleted) {
                UIAlertView *alertView = [[UIAlertView alloc]
                                          initWithTitle:@"Success"
                                          message:@"Sharing completed!"
                                          delegate:self
                                          cancelButtonTitle:@"OK"
                                          otherButtonTitles:nil];
                [alertView show];
            }
        }];
    }
}