UIActivity with WhiteList

ActivityViewController.h

    #import <UIKit/UIKit.h>
    
    #ifndef ActivityViewController_h
    #define ActivityViewController_h
    
    @interface UIActivityViewController (Private)
    
    - (BOOL)_shouldExcludeActivityType:(UIActivity*)activity;
    
    @end
    
    @interface ActivityViewController : UIActivityViewController
    
    @end
    
    #endif /* ActivityViewController_h */

ActivityViewController.m

#import "ActivityViewController.h"

@implementation ActivityViewController

@end

Bridging-Header.h

#import "ActivityViewController.h"

MyActivityViewController.swift

import UIKit

class MyActivityViewController: ActivityViewController {

    override func _shouldExcludeActivityType(_ activity: UIActivity!) -> Bool {
        let activityTypeWhiteList: [UIActivityType] = [
            UIActivityType.postToTwitter,
            UIActivityType.postToFacebook
        ]

        guard let activityType = activity.activityType else {
            return true
        }

        return !activityTypeWhiteList.contains(activityType)
    }

}