         stationsMapView.setRegion(region, animated: true)
     }
     
-    
     public func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle {
         return .none
     }
-    
-    
     
     override func viewDidLoad() {
         super.viewDidLoad()

import UIKit
import MapKit
import CoreLocation

class StationAnnotation: MKPointAnnotation {
    var pinCustomImageName: String!

    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
    }
    
    @IBAction func playSound(_ sender: AnyObject) {
        AudioServicesPlayAlertSound(kSystemSoundID_Vibrate)
    }

    @IBAction func sos(_ sender: AnyObject) {
        // send an alert to backend
        let app = UIApplication.shared.delegate as! AppDelegate
        // update current user location to FB
        app.user?.updateChildValues(["sos": true])
    }
    
    fileprivate func makeAnnotations() {
