Adding Facebook as a Share button for iOS app

I don't understand in order to create a Facebook share button is it a MUST to download their SDK, and get a Facebook App ID, then link App ID to .plist file and then link FBSDKShareKit.framework to project OR can I just use the social.framework and link that to project and use the following code...

 if([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {

    SLComposeViewController *controller = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];

    [controller setInitialText:@"high score is %i"];

    [self presentViewController:controller animated:YES completion:Nil];

}

Doing it this way with social framework and the above code works fine. Or is it a MUST to add the Facebook SDK and get a App ID with a Facebook developer account and all that?

If I do it the social.framework way instead of using the Facebook SDK and Facebook App-ID would my app get rejected and would I have a problem with Facebook company?