使用 iPhone6,Xcode 8.1,在运行 iOS 10.1.1 的环境下,执行以下 Swift 代码时,我一直收到以下错误信息:
无法检索 CarrierName
在我的第一个 ViewController
加载之前就出现了错误消息。我搜索了类似(但不完全相同)的 CarrierName
问题的解决方案。其中大多数建议导入 CoreTelephony
。我已添加了 CoreTelephony
的导入,但仍然会出现相同的错误。以下是显示 viewDidLoad
和控制台输出的代码片段。对于这个错误有什么见解吗?
// ViewController.swift
// MapLocator
import UIKit
import MapKit
import CoreLocation
import CoreTelephony
class ViewController: UIViewController, UISearchBarDelegate, MKMapViewDelegate,UINavigationControllerDelegate {
var searchController:UISearchController!
var annotation:MKAnnotation!
var localSearchRequest1:MKLocalSearchRequest!
var localSearchRequest2:MKLocalSearchRequest!
var localSearch1:MKLocalSearch!
var localSearch2:MKLocalSearch!
var localSearchResponse1:MKLocalSearchResponse!
var localSearchResponse2:MKLocalSearchResponse!
var error:NSError!
var pointAnnotation:MKPointAnnotation!
var pinAnnotationView:MKPinAnnotationView!
var placeMark1:MKPlacemark!
var myRoute : MKRoute?
var coord1 : CLLocationCoordinate2D!
var coord2 : CLLocationCoordinate2D!
// var newPt : MKMapPoint!
// var lineArrayPtr = [MKMapPoint]()
var lineArrayPtr:UnsafeMutablePointer<MKMapPoint>? = nil
var pointIndex : Int = 0
var lp1 : MKMapPoint!
var lp2 : MKMapPoint!
var lp3 : MKMapPoint!
var lp4 : MKMapPoint!
var searchButtonClicked = 0
var buttonTouchCount : Double = 0
let tapsPerMeter : Double = 2
var pointsPerMeter : Double!
var tapDistance : Double!
//**************
override func viewDidLoad() {
super.viewDidLoad()
mapView.delegate = self
print("Entered viewDidLoad")
let latitude_x: Double = 42.755139
let longitude_x: Double = -71.584
// Init the zoom level
let coordinate:CLLocationCoordinate2D = CLLocationCoordinate2D(latitude: latitude_x, longitude: longitude_x)
//let span = MKCoordinateSpanMake(100, 80)
let span = MKCoordinateSpanMake(0.01, 0.01)
let region = MKCoordinateRegionMake(coordinate, span)
self.mapView.setRegion(region, animated: true)
print("mapView region set")
}
********************* 控制台输出 *********************** 2016-11-19 22:02:14.442048 MapLocator 3 Match[289:23903] [LogMessageLogging] 6.1 无法检索CarrierName。CTError: domain-2, code-5, errStr:((os/kern) failure)
进入viewDidLoad
设置mapView区域