Share Location data with vCard format on iOS using UIActivityViewController

ShareLocation.swift

import CoreLocation

func shareLocation(coordinate:CLLocationCoordinate2D) -> Void {
        
        guard let cachesPathString = NSSearchPathForDirectoriesInDomains(.CachesDirectory, .UserDomainMask, true).first else {
            print("Error: couldn't find the caches directory.")
            return
        }
        
        let vCardString = [
            "BEGIN:VCARD",
            "VERSION:3.0",
            "N:;Shared Location;;;",
            "FN:Shared Location",
            "item1.URL;type=pref:http://maps.apple.com/?ll=\(coordinate.latitude),\(coordinate.longitude)",
            "item1.X-ABLabel:map url",
            "END:VCARD"
            ].joinWithSeparator("\n")
        
        let vCardFilePath = (cachesPathString as NSString).stringByAppendingPathComponent("vCard.loc.vcf")
        
        do {
            try vCardString.writeToFile(vCardFilePath, atomically: true, encoding: NSUTF8StringEncoding)
            let activityViewController = UIActivityViewController(activityItems: [NSURL(fileURLWithPath: vCardFilePath)], applicationActivities: nil)
            activityViewController.excludedActivityTypes = [UIActivityTypePrint,
                                                            UIActivityTypeCopyToPasteboard,
                                                            UIActivityTypeAssignToContact,
                                                            UIActivityTypeSaveToCameraRoll,
                                                            UIActivityTypePostToVimeo,
                                                            UIActivityTypePostToTencentWeibo,
                                                            UIActivityTypePostToWeibo]
            presentViewController(activityViewController, animated: true, completion: nil)
        } catch let error {
            print("Error, \(error), saving vCard: \(vCardString) to file path: \(vCardFilePath).")
        }
    }