Created
May 12, 2018 14:09
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// | |
// ViewController.swift | |
// myNavegationLayoutAndToolBar | |
// | |
// Created by Chang Shu Hao on 2018/5/5. | |
// Copyright © 2018年 Gary. All rights reserved. | |
// | |
import UIKit | |
import CoreLocation | |
class ViewController: UIViewController, CLLocationManagerDelegate { | |
var myLocationManager : CLLocationManager = CLLocationManager() | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
myLocationManager.delegate = self | |
myLocationManager.distanceFilter = kCLLocationAccuracyNearestTenMeters | |
myLocationManager.desiredAccuracy = kCLLocationAccuracyBest | |
if CLLocationManager.authorizationStatus() == .denied { | |
DispatchQueue.main.async(){ | |
let alertController = UIAlertController(title: "定位權限已關閉", message: "如要變更權限,請至 設定 > 隱私權 > 定位服務 開啟", preferredStyle: .alert) | |
let okAction = UIAlertAction(title: "ok", style: .default, handler: nil) | |
alertController.addAction(okAction) | |
self.present(alertController, animated: true, completion: nil) | |
}//DispatchQueue | |
} | |
}//ViewDidLoad | |
override func viewDidAppear(_ animated: Bool) { | |
super.viewDidAppear(animated) | |
if CLLocationManager.authorizationStatus() == .authorizedWhenInUse{ | |
myLocationManager.startUpdatingLocation() | |
}//else if | |
}//ViewDidAppear | |
override func viewDidDisappear(_ animated: Bool) { | |
super.viewDidDisappear(animated) | |
myLocationManager.stopUpdatingLocation() | |
}//viewDidDisappear | |
override func didReceiveMemoryWarning() { | |
super.didReceiveMemoryWarning() | |
// Dispose of any resources that can be recreated. | |
}//didReceiveMemoryWarning | |
func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) { | |
if status == CLAuthorizationStatus.denied{ | |
let alertController = UIAlertController(title: "定位權限已關閉", message: "如要取得咖啡館資訊,請至 設定 > 隱私權 > 定位服務 開啟定位功能", preferredStyle: .alert) | |
let okAction = UIAlertAction(title: "ok", style: .default, handler: nil) | |
alertController.addAction(okAction) | |
self.present(alertController, animated: true, completion: nil) | |
}//if | |
else if status == CLAuthorizationStatus.authorizedWhenInUse{ | |
myLocationManager.startUpdatingLocation() | |
}//else if | |
}//func didChangeAuthorization | |
}//class |
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