//

//  ViewController.swift

//  JieCoreLocation

//

//  Created by jiezhang on 14-10-4.

//  Copyright (c) 2014年 jiezhang. All rights reserved.

//

import UIKit

import CoreLocation

class ViewController: UIViewController, CLLocationManagerDelegate{

    required init(coder aDecoder: NSCoder) {

        super.init(coder: aDecoder)

    }

    @IBOutlet weak var longitudeTxt: UITextField!

    @IBOutlet weak var latitudeTxt: UITextField!

    @IBOutlet weak var HeightTxt: UITextField!

    @IBOutlet weak var addressTxt: UILabel!

    var currLocation : CLLocation!

    //地址反编译出错误，不清楚什么问题，我是在模拟器上模拟的

    @IBAction func reverseGeocode(sender: AnyObject) {

        var geocoder = CLGeocoder()

        var p:CLPlacemark?

        geocoder.reverseGeocodeLocation(currLocation, completionHandler: { (placemarks, error) -> Void in

            if error != nil {

                println("reverse geodcode fail: \(error.localizedDescription)")

                return

            }

            let pm = placemarks as [CLPlacemark]

            if (pm.count > 0){

                p = placemarks[0] as?

CLPlacemark

                println(p)

            }else{

                println("No Placemarks!")

            }

        })

    }

    //用于定位服务管理类。它能够给我们提供位置信息和高度信息。也能够监控设备进入或离开某个区域，还能够获得设备的执行方向

    let locationManager : CLLocationManager = CLLocationManager()

    override func viewDidLoad() {

        super.viewDidLoad()

        locationManager.delegate = self

        //设备使用电池供电时最高的精度

        locationManager.desiredAccuracy = kCLLocationAccuracyBest

        //精确到1000米,距离过滤器。定义了设备移动后获得位置信息的最小距离

        locationManager.distanceFilter = kCLLocationAccuracyKilometer

    }

    override func viewWillAppear(animated: Bool) {

        locationManager.startUpdatingLocation()

        println("定位開始")

    }

    override func viewWillDisappear(animated: Bool) {

        locationManager.stopUpdatingLocation()

        println("定位结束")

    }

    func locationManager(manager: CLLocationManager!, didUpdateLocations locations: [AnyObject]!){

        currLocation = locations.last as CLLocation

        longitudeTxt.text = "\(currLocation.coordinate.longitude)"

        latitudeTxt.text = "\(currLocation.coordinate.latitude)"

        HeightTxt.text = "\(currLocation.altitude)"

    }

    func locationManager(manager: CLLocationManager!, didFailWithError error: NSError!){

        println(error)

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

    }

}