タプルタイプ '下付き文字 'タプルタイプ '(キー:文字列、値:AnyObject)'の値にメンバのサブスクリプトがありません
私はオンラインで検索しようとしましたが、私は理解できません。それは辞書の配列に変更することを常に言いますが、[[String:AnyObject]]として解析するとエラーです。ここで
アップルのドキュメントからコンテキスト
`//
// MapViewViewController.swift
// On the Map!
//
// Created by Belal Elsiesy on 11/13/17.
// Copyright © 2017 Elsiesy Industries. All rights reserved.
//
import UIKit
import MapKit
class MapViewViewController: UIViewController, MKMapViewDelegate {
@IBOutlet weak var MapView: MKMapView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
getLocations()
let appDelegate = UIApplication.shared.delegate as! AppDelegate
let locations = appDelegate.locationData
var annotations = [MKPointAnnotation]()
// When the array is complete, we add the annotations to the map.
for location in locations! {
// Notice that the float values are being used to create CLLocationDegree values.
// This is a version of the Double type.
let lat = CLLocationDegrees(location["latitude"] as! Double)
let long = CLLocationDegrees(location["longitude"] as! Double)
// The lat and long are used to create a CLLocationCoordinates2D instance.
let coordinate = CLLocationCoordinate2D(latitude: lat, longitude: long)
let first = location["firstName"] as! String
let last = location["lastName"] as! String
let mediaURL = location["mediaURL"] as! String
// Here we create the annotation and set its coordiate, title, and subtitle properties
let annotation = MKPointAnnotation()
annotation.coordinate = coordinate
annotation.title = "\(first) \(last)"
annotation.subtitle = mediaURL
// Finally we place the annotation in an array of annotations.
annotations.append(annotation)
}
// When the array is complete, we add the annotations to the map.
self.MapView.addAnnotations(annotations)
}
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
func getLocations() {
var request = URLRequest(url: URL(string: "https://parse.udacity.com/parse/classes/StudentLocation")!)
request.addValue("QrX47CA9cyuGewLdsL7o5Eb8iug6Em8ye0dnAbIr", forHTTPHeaderField: "X-Parse-Application-Id")
request.addValue("QuWThTdiRmTux3YaDseUSEpUKo7aBYM737yKd4gY", forHTTPHeaderField: "X-Parse-REST-API-Key")
let session = URLSession.shared
let task = session.dataTask(with: request) { data, response, error in
if error != nil { // Handle error...
////////////////////////DO THIS LATER
}
print(String(data: data!, encoding: .utf8)!)
let parsedResult: [String:AnyObject]!
do {
parsedResult = try JSONSerialization.jsonObject(with: data!, options: .allowFragments) as! [String : AnyObject]
let appDelegate = UIApplication.shared.delegate as! AppDelegate
appDelegate.locationData = parsedResult
} catch {
print("Could not parse the data as JSON: '\(data)'")
}
}
task.resume()
}
`
ロケーション変数には添字がないため、[]を使用して情報を照会することはできません。私はあなたの可変場所のタイプについて誤解があると思います。これはタプル(String、Anyオブジェクト)であり、辞書[String:AnyObject]ではありません。 – Arrabidas92