SHARE
TWEET

Custom action for a specific share types

priore May 10th, 2018 (edited) 114 Never
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  1. //
  2. // custom action for a specific share types
  3. //
  4.  
  5. class MyCustomShare: NSObject, UIActivityItemSource {
  6.    
  7.     static func share() {
  8.        
  9.         let vc = UIViewController.topViewController()
  10.        
  11.         let activityViewController = UIActivityViewController(activityItems: [self], applicationActivities: nil)
  12.         activityViewController.popoverPresentationController?.sourceView = vc?.view
  13.         vc?.present(activityViewController, animated: true, completion: nil)
  14.     }
  15.    
  16.     // MARK: - UIActivityItemSource Protocol
  17.  
  18.     func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivityType?) -> Any? {
  19.        
  20.         var message: String = "you custom message"
  21.        
  22.         if activityType == UIActivityType.postToFacebook {
  23.             activityViewController.dismiss(animated: false) {
  24.                
  25.                 // TODO: your custom actions
  26.                
  27.             }
  28.            
  29.             return nil
  30.         }
  31.        
  32.         return message
  33.  
  34.     }
  35.  
  36.    
  37.     func activityViewController(_ activityViewController: UIActivityViewController, subjectForActivityType activityType: UIActivityType?) -> String {
  38.        
  39.         return "your subject" // form email
  40.     }
  41.    
  42.     func activityViewController(_ activityViewController: UIActivityViewController, thumbnailImageForActivityType activityType: UIActivityType?, suggestedSize size: CGSize) -> UIImage? {
  43.        
  44.         var image: UIImage?
  45.        
  46.         if let imageUlr = "your image url", let url = URL(string: imageUlr) {
  47.             guard let data = try? Data(contentsOf: url) else {
  48.                 return nil
  49.             }
  50.            
  51.             image = UIImage(data: data)
  52.         }
  53.        
  54.         return image
  55.     }
  56.    
  57.     func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
  58.         return ""
  59.     }
  60.    
  61. }
  62.  
  63. extension UIViewController {
  64.    
  65.     static var root: UIViewController? {
  66.         get {
  67.             return UIApplication.shared.delegate?.window??.rootViewController
  68.         }
  69.     }
  70.    
  71.     static func topViewController(from viewController: UIViewController? = UIViewController.root) -> UIViewController? {
  72.         if let tabBarViewController = viewController as? UITabBarController {
  73.             return topViewController(from: tabBarViewController.selectedViewController)
  74.         } else if let navigationController = viewController as? UINavigationController {
  75.             return topViewController(from: navigationController.visibleViewController)
  76.         } else if let presentedViewController = viewController?.presentedViewController {
  77.             return topViewController(from: presentedViewController)
  78.         } else {
  79.             return viewController
  80.         }
  81.     }
  82.  
  83.    
  84. }
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