折线重叠式广告素材-Swift

问题描述

我有一条跟踪路线运行的折线，当在背景中放置一段时间（通常是5分钟以上）并且重新打开应用程序时，它删除了折线的第一部分，仅显示第二部分。距离仍在准确地更新标签，因此仍可以跟踪位置，它的多义线切割了标签的第一部分。我在网上看起来很不错，并且多次浏览我的代码，但我不知道为什么，对您的帮助将不胜感激。

我的代码在下面。

预先感谢

乔什

import UIKit

导入MapKit 导入CoreLocation 导入GoogleMobileAds 导入用户通知导入UserMessagingPlatform

NewRunViewController类：UIViewController，CLLocationManagerDelegate，MKMapViewDelegate {

let locationManager = CLLocationManager()
let regionInMeters : Double = 200
var seconds = 0
private var timer: Timer?
private var distance = Measurement(value: 0,unit: UnitLength.meters)
private var locationList: [CLLocation] = []
var polyLine: MKPolyline = MKPolyline()
var isCounting : Bool = false
var randomArray = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]
var randomTime = [10.0,95.0,135.0,180.0,2370.0,4709.0]

@IBOutlet weak var MapView: MKMapView!
@IBOutlet weak var DistanceLabel: UILabel!
@IBOutlet weak var PaceLabel: UILabel!
@IBOutlet weak var TimeLabel: UILabel!
@IBOutlet weak var StartButtonLabel: UIButton!
@IBOutlet weak var ResetButtonOutlet: UIButton!
@IBOutlet weak var StopPauseButtonLabel: UIButton!
@IBOutlet weak var bannerView4: GADBannerView!

override func viewDidLoad() {
    super.viewDidLoad()
    checkLocationServices()
    timer?.invalidate()
    locationManager.stopUpdatingLocation()
    StopPauseButtonLabel.titleLabel?.adjustsFontSizeToFitWidth = true
    
    bannerView4.adUnitID = "ca-app-pub-6331942799423798/9472120281"
    bannerView4.rootViewController = self
    bannerView4.load(GADRequest())
    MapView.delegate = self
    
    NotificationCenter.default.addObserver(self,selector: #selector(pauseWhenInBackground(noti:)),name: UIApplication.willResignActiveNotification,object: nil)
    
    NotificationCenter.default.addObserver(self,selector: #selector(willEnterForeground(noti:)),name: UIApplication.didBecomeActiveNotification,object: nil)
    
    navigationItem.title = "Run Time"
    
    locationManager.allowsBackgroundLocationUpdates = true
    
    locationManager.pausesLocationUpdatesAutomatically = false
}

@IBAction func StartButton(_ sender: UIButton) {
    
    if isCounting == false {
        locationList.removeAll()
    }
    
    isCounting = true
    ResetButtonOutlet.isHidden = true
    StopPauseButtonLabel.isHidden = false
    StartButtonLabel.isHidden = true
    updateDisplay()
    startLocationUpdates()
    timer = Timer.scheduledTimer(withTimeInterval: 1.0,repeats: true) { _ in
      self.eachSecond()
    }
    

    if CLLocationManager.authorizationStatus() == .authorizedAlways {
        MapView.showsUserLocation = true
    }
    
    else if CLLocationManager.authorizationStatus() == .authorizedWhenInUse {
        MapView.showsUserLocation = true
    }
    
    else {
       let alertController = UIAlertController(title: "Just to let you know...",message:
           "Your location services are not enabled,you can still use the timer but the distance and pace won't show without your location. You can enable location services in your device settings.",preferredStyle: .alert)
       alertController.addAction(UIAlertAction(title: "Dismiss",style: .default))

       self.present(alertController,animated: true,completion: nil)
    }

}


@IBAction func StopButtonLabel(_ sender: UIButton) {
    
    isCounting = false
    StopPauseButtonLabel.isHidden = true
    ResetButtonOutlet.isHidden = false
    locationManager.stopUpdatingLocation()
    StartButtonLabel.isHidden = false
    timer?.invalidate()
}


@IBAction func ResetButton(_ sender: UIButton) {
    
    isCounting = false
    StartButtonLabel.isHidden = false
    seconds = 0
    distance = Measurement(value: 0,unit: UnitLength.meters)
    locationList.removeAll()
    timer?.invalidate()
    updateDisplay()
    MapView.removeOverlays(MapView.overlays)
    UserDefaults.standard.removeObject(forKey: "savedTime")
    UserDefaults.standard.removeObject(forKey: "timeClosed")
}

func setUpLocationManager() {
    locationManager.delegate = self
    locationManager.desiredAccuracy = kCLLocationAccuracyBest
}

func centreViewOnUserLocation() {
    if let location = locationManager.location?.coordinate {
        let region = MKCoordinateRegion.init(center: location,latitudinalMeters: regionInMeters,longitudinalMeters: regionInMeters)
        MapView.setRegion(region,animated: true)
    }
}

func checkLocationServices() {
    if CLLocationManager.locationServicesEnabled() {
        setUpLocationManager()
        checkLocationAuthorisation()
    }
        
    else {
    let alertController = UIAlertController(title: "Just so you know...",message:
        "Sadly,your location services aren't enabled,change them in your settings to track your pace and distance.",preferredStyle: .alert)
    alertController.addAction(UIAlertAction(title: "Dismiss",style: .default))

    self.present(alertController,completion: nil)
    }
}

func openSettings(alert: UIAlertAction!) {
    if let url = URL.init(string: UIApplication.openSettingsURLString) {
        UIApplication.shared.open(url,options: [:],completionHandler: nil)
    }
}

func checkLocationAuthorisation() {
    switch CLLocationManager.authorizationStatus() {
        
    case.authorizedWhenInUse:
        
        MapView.showsUserLocation = true
        centreViewOnUserLocation()
        locationManager.startUpdatingLocation()
        let alertController = UIAlertController(title: "Just to let you know...",message:
            "If you want to close the app or lock your phone while running,please go to device settings and enable 'Always' location",preferredStyle: .alert)
        
        alertController.addAction(UIAlertAction(title: "Dismiss",style: .default))

        alertController.addAction(UIAlertAction(title: "Open Settings",style: UIAlertAction.Style.default,handler: openSettings))
        self.present(alertController,completion: nil)
        break
        
    case.denied:
        
        let alertController = UIAlertController(title: "Just to let you know...",message:
            "Your location services are not enabled,you can still run but without your distance and pace. If you change your mind later you can enable location services in your device settings.",preferredStyle: .alert)
        alertController.addAction(UIAlertAction(title: "Dismiss",style: .default))
        self.present(alertController,completion: nil)
        break
    
    case.notDetermined:
        
        locationManager.requestWhenInUseAuthorization()
        break
        
    case.restricted:
        
        let alertController = UIAlertController(title: "Just to let you know...",message:
            "Your location services are restricted,check your device settings.",completion: nil)
        break
        
    case.authorizedAlways:
        MapView.showsUserLocation = true
        centreViewOnUserLocation()
        locationManager.startUpdatingLocation()
        
    @unknown default:
        break
    }
  }

func locationManager(_ manager: CLLocationManager,didUpdateLocations locations: [CLLocation]) {
    guard let location = locations.last else { return }
    let centre = CLLocationCoordinate2D(latitude: location.coordinate.latitude,longitude: location.coordinate.longitude)
    let region = MKCoordinateRegion.init(center: centre,longitudinalMeters: regionInMeters)
    MapView.setRegion(region,animated: true)
    
      for newLocation in locations {
        let howRecent = newLocation.timestamp.timeIntervalSinceNow
        guard newLocation.horizontalAccuracy < 20 && abs(howRecent) < 10 else { continue }

        if let lastLocation = locationList.last {
          let delta = newLocation.distance(from: lastLocation)
          distance = distance + Measurement(value: delta,unit: UnitLength.meters)
          
          let coordinates = [lastLocation.coordinate,newLocation.coordinate]
          MapView.addOverlay(MKPolyline(coordinates: coordinates,count: 2))
          let region = MKCoordinateRegion(center: newLocation.coordinate,latitudinalMeters: 200,longitudinalMeters: 200)
          MapView.setRegion(region,animated: true)
        }
          
          locationList.append(newLocation)
      }
}
func locationManager(_ manager: CLLocationManager,didChangeAuthorization status: CLAuthorizationStatus) {
    checkLocationAuthorisation()
}

func eachSecond() {
  seconds += 1
  centreViewOnUserLocation()
  updateDisplay()
}

@objc private func updateDisplay() {
  let formattedDistance = FormatDisplay.distance(distance)
  let formattedTime = FormatDisplay.time(seconds)
  let formattedPace = FormatDisplay.pace(distance: distance,seconds: seconds,outputUnit: UnitSpeed.minutesPerMile)
   
    DistanceLabel.text = "Distance:  \(formattedDistance)"
    TimeLabel.text = "Time:  \(formattedTime)"
    PaceLabel.text = "Pace:  \(formattedPace)"
}

private func startLocationUpdates() {

  locationManager.delegate = self
  locationManager.activityType = .fitness
  locationManager.distanceFilter = 10
  locationManager.startUpdatingLocation()
    centreViewOnUserLocation()
}
    
    func mapView(_ mapView: MKMapView,rendererFor overlay: MKOverlay) -> MKOverlayRenderer {
        
        if isCounting == true {
        
        guard let polyline = overlay as? MKPolyline else {
            return MKOverlayRenderer(overlay: overlay)
        }
        let renderer = MKPolylineRenderer(polyline: polyline)
        renderer.strokeColor = .blue
        renderer.lineWidth = 3
        return renderer
        }
        return MKPolylineRenderer()
    }


@objc func pauseWhenInBackground (noti : Notification) {

    if isCounting == true {

    UserDefaults.standard.removeObject(forKey: "isCounting")
    UserDefaults.standard.removeObject(forKey: "savedSeconds")
    UserDefaults.standard.removeObject(forKey: "timeClosed")
    timer?.invalidate()
    print(seconds)
    let shared = UserDefaults.standard
    shared.set(seconds,forKey: "savedSeconds")
    let dateClosed = Date()
    print(dateClosed)
    shared.set(dateClosed,forKey: "timeClosed")
    shared.set(isCounting,forKey: "isCounting")
    }

    else {
        
        UserDefaults.standard.set(isCounting,forKey: "isCounting")
    }
}

    @objc func willEnterForeground (noti : Notification) {

        let isStillCounting = UserDefaults.standard.bool(forKey: "isCounting")

        print(isStillCounting)

        if isStillCounting == true {

            if let timeClosed = UserDefaults.standard.object(forKey: "timeClosed") as? Date {
                print(timeClosed)
            
            let savedSeconds = UserDefaults.standard.integer(forKey: "savedSeconds")
            print(savedSeconds)
            
            let dateOpened = Date()
            
            let dateInterval = DateInterval.init(start: timeClosed,end: dateOpened)
                
                print(dateInterval)
                
                let differnce = dateInterval.duration
                
                print(differnce)
                
                seconds = Int(differnce) + savedSeconds
                
                print(seconds)
                
                timer = Timer.scheduledTimer(withTimeInterval: 1.0,repeats: true) { _ in
                  self.eachSecond()
                }
                
                startLocationUpdates()
                updateDisplay()

                if CLLocationManager.authorizationStatus() == .authorizedAlways {
                            MapView.showsUserLocation = true
            }
                
                else if CLLocationManager.authorizationStatus() == .authorizedWhenInUse {
                        MapView.showsUserLocation = true
                }
                
                else {
                    let alertController = UIAlertController(title: "Just to let you know...",message:
                    "Your location services are not enabled,preferredStyle: .alert)
                    alertController.addAction(UIAlertAction(title: "Dismiss",style: .default))
                
                self.present(alertController,completion: nil)
            }
        }
            
       } else {}
    }
}

解决方法

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location mapkit polyline swift swift swift

折线重叠式广告素材-Swift

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