     public var displayDeleteButton = false
 
     // actions
-    private var actionSheet: UIActionSheet!
     private var activityViewController: UIActivityViewController!
     
     // tool for controls

public let SKPHOTO_LOADING_DID_END_NOTIFICATION = "photoLoadingDidEndNotification"

// MARK: - SKPhotoBrowser
public class SKPhotoBrowser: UIViewController, UIScrollViewDelegate, UIActionSheetDelegate {
    
    final let pageIndexTagOffset: Int = 1000
    // animation property

        
    }
    
    // MARK: -  UIScrollView Delegate
    public func scrollViewDidScroll(scrollView: UIScrollView) {
        guard isViewActive else {
