PattysLucky7App-PattysMapViewController-0421_2018.md

to_code_for_PinMap_byUsing_coordinate&location&name

```
//  PattysMapViewController.swift
//  PattysMapApp2018
//  Created by sendbest on 2018/4/21.
//  Copyright © 2018年 sendbest. All rights reserved.

import UIKit
import MapKit // 0421 to import framework.

class PattysMapViewController: UIViewController {
    
    
    // 0421 to declare the var of mapView and luckySeven.
    @IBOutlet var pattysMapView: MKMapView! // 0421 this outlay var named "pattysMapView" is set to connect with Pattys Map Viw.
    var luckySeven: ViewController!
    
    
    // 0421 to add code for add remark in Map.
    // to transfer addr to coordinat, and pin it in the Map.
    // to add code in ViewDidLoad Func.
    override func viewDidLoad() {
        
        super.viewDidLoad()
        
        let geoCoder = CLGeocoder()
        
        // add if-statment
        geoCoder.geocodeAddressString(luckySeven.location, completionHandler: { placemarks, error in
            if error != nil {
                print(error)
                return
            }
                
            if let placemarks = placemarks {
                // retreival of 1st map target spot
            let placemark = placemarks[0]
             
                // add anotation
            let annotation = MKPointAnnotation()
            annotation.title = self.luckySeven.name
            annotation.subtitle = self.luckySeven.type
                
                if let location = placemark.location {
                  annotation.coordinate = location.coordinate
                    
                    // show the pin
                    self.pattysMapView.showAnnotations([annotation], animated: true)
                    self.pattysMapView.selectAnnotation(annotation, animated: true)
                }
            }
                
     })
            
    }

    
    
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }


}

```