iOS中的地理位置的获取及plist设置方法

下面小编就为大家分享一篇iOS中的地理位置的获取及plist设置方法,具有很好的参考价值,希望对大家有所帮助。一起跟随小编过来看看吧

1、在前台的时候获取地理位置信息

ios 8/9

在info.plist中配置NSLocationWhenInUseUsageDescription的值,否则上面的方法无效

调用.requestWhenInUseAuthorization()获取前台获取地理位置权限

调用.startUpdatingLocation()

代码示例

 class ViewController: UIViewController { lazy var locateM : CLLocationManager = { let locate = CLLocationManager() locate.delegate = self locate.requestWhenInUseAuthorization() return locate }() override func touchesBegan(touches: Set, withEvent event: UIEvent?) { self.locateM.startUpdatingLocation() } } extension ViewController : CLLocationManagerDelegate{ func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { print("位置信息已经更新") } }

2、前后台获取,但是后台获取的时候,屏幕上方有蓝框提示用户正在后台获取

ios8

调用.requestWhenInUseAuthorization()获取前台获取地理位置权限

在info.plist中配置NSLocationWhenInUseUsageDescription的值,否则上面的方法无效

设置Capabilities>BackgroundModes>Location Updates 打对勾

调用.startUpdatingLocation()

ios9

调用.requestWhenInUseAuthorization()获取前台获取地理位置权限

设置 .allowsBackgroundLocationUpdates = true (ios 9需要执行)

在info.plist中配置NSLocationWhenInUseUsageDescription的值,否则上面的方法无效

设置Capabilities>BackgroundModes>Location Updates 打对勾 (如果第二步做了,此步没做,直接crash)

调用.startUpdatingLocation()

ios8/ios9可以后台蓝框定位的代码示例:

 class ViewController: UIViewController { lazy var locateM : CLLocationManager = { let locate = CLLocationManager() locate.delegate = self locate.requestWhenInUseAuthorization() if #available(iOS 9.0, *) { locate.allowsBackgroundLocationUpdates = true } return locate }() override func touchesBegan(touches: Set, withEvent event: UIEvent?) { self.locateM.startUpdatingLocation() } } extension ViewController : CLLocationManagerDelegate{ func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { print("位置信息已经更新") } }

3、后台获取,后台获取的时候,屏幕上方无蓝框提示

调用.requestAlwaysAuthorization()获取前台获取地理位置权限

在info.plist中配置NSLocationAlwaysUsageDescription的值,否则上面的方法无效

设置 .allowsBackgroundLocationUpdates = true (ios 9需要执行)

设置Capabilities>BackgroundModes>Location Updates 打对勾 (本步骤在ios 8中可以不做设置,但是在ios9中如果第三步做了,而此步没有做,直接crash)

调用.startUpdatingLocation()

代码示例

 class ViewController: UIViewController { lazy var locateM : CLLocationManager = { let locate = CLLocationManager() locate.delegate = self locate.requestAlwaysAuthorization() if #available(iOS 9.0, *) { locate.allowsBackgroundLocationUpdates = true } return locate }() override func touchesBegan(touches: Set, withEvent event: UIEvent?) { self.locateM.startUpdatingLocation() } } extension ViewController : CLLocationManagerDelegate{ func locationManager(manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { print("位置信息已经更新") } }

4、权限改变的通知

注意:在Denied或者NotDetermined的状态下startUpdatingLocation,开始监听之后,当状态改变成允许的状态时,会直接进入监听状态,不必再次调用startUpdateingLocation

 func locationManager(manager: CLLocationManager, didChangeAuthorizationStatus status: CLAuthorizationStatus) { switch status { case .AuthorizedAlways: print("始终") case .AuthorizedWhenInUse: print("使用的时候") case .Denied: print("拒绝") if CLLocationManager.locationServicesEnabled() { print("真拒绝了") }else{ print("是关闭了定位服务") } case .NotDetermined: print("第一次,尚未决定") case .Restricted: print("没有权限的") } }

5、过滤距离

很多时候我们需要监听函数只调用一次来获取用户当前的位置

在监听函数中停止监听

设置监听的过滤距离

 //如果监听器已经开启,此值修改之后立即生效 self.locateM.distanceFilter = 100 //每100米,调用一次监听

6、精度

注意:越精确越耗电,定位的时间越长,如果要定位城市,没有必要选最精确的

 self.locateM.desiredAccuracy = kCLLocationAccuracyBest //kCLLocationAccuracyBestForNavigation //kCLLocationAccuracyBest //kCLLocationAccuracyNearestTenMeters //kCLLocationAccuracyHundredMeters //kCLLocationAccuracyKilometer //kCLLocationAccuracyThreeKilometers

7.CLLocation详解

 public var coordinate: CLLocationCoordinate2D { get }  //经纬度 public var altitude: CLLocationDistance { get }   //海拔 public var horizontalAccuracy: CLLocationAccuracy { get } //位置信息是否有效,如果为负数,则无效 public var verticalAccuracy: CLLocationAccuracy { get } //海拔数据是否有效,如果为负数,则无效 public var course: CLLocationDirection { get }   //当前的角度(0-359.9) public var speed: CLLocationSpeed { get }     //当前的速度 public var timestamp: NSDate { get }      //位置确定的时间戳 public var floor: CLFloor? { get }      //楼层(前提是已经注册的建筑),如果没有为nil //计算两个经纬度之间的距离 public func distanceFromLocation(location: CLLocation) -> CLLocationDistance 

8、指南针小例子

 class ViewController: UIViewController { @IBOutlet weak var mImageView: UIImageView! lazy var locateM : CLLocationManager = { let locate = CLLocationManager() locate.delegate = self locate.requestAlwaysAuthorization() if #available(iOS 9.0, *) { locate.allowsBackgroundLocationUpdates = true } return locate }() override func viewDidLoad() { super.viewDidLoad() if(CLLocationManager.headingAvailable()){ self.locateM.startUpdatingHeading() }else{ print("当前磁力计有问题") } } } extension ViewController : CLLocationManagerDelegate{ func locationManager(manager: CLLocationManager, didUpdateHeading newHeading: CLHeading) { //1.拿到当前设备对正朝向的角度 let angle = newHeading.magneticHeading //2.把角度转换成弧度 let hudu = CGFloat(angle / 180 * M_PI) //3.反向旋转照片 UIView.animateWithDuration(0.5) { self.mImageView.transform = CGAffineTransformMakeRotation(-hudu) } } }

9、区域的监听

 class ViewController: UIViewController { lazy var locateM : CLLocationManager = { let locate = CLLocationManager() locate.delegate = self locate.requestAlwaysAuthorization() if #available(iOS 9.0, *) { locate.allowsBackgroundLocationUpdates = true } return locate }() override func viewDidLoad() { super.viewDidLoad() //首先应该判断当前是否可以监听某个区域 if CLLocationManager.isMonitoringAvailableForClass(CLCircularRegion){ //1.创建区域 let center = CLLocationCoordinate2DMake(21.123, 121.345) var distance : CLLocationDistance = 1000 //限制监听的范围不能超过最大的范围 if distance 

10、地理编码与反地理编码

地理编码

 let geoCoder = CLGeocoder() geoCoder.geocodeAddressString("广州") { (pls:[CLPlacemark]?, error : NSError?) in if error == nil{ print("地址编码成功") print(pls?.last?.location) }else{ print("错误 \(error)") } }

打印

地址编码成功

 Optional(<+23.12517800,+113.28063700> +/- 100.00m (speed -1.00 mps / course -1.00) @ 8/14/16, 9:49:22 PM China Standard Time)

反地理编码

 let geoCoder = CLGeocoder() geoCoder.reverseGeocodeLocation(CLLocation(latitude:23.125,longitude: 113.280)) { (pls:[CLPlacemark]?, error:NSError?) in if error == nil{ print("地址反编码成功 城市:\(pls?.last?.locality)") print(pls?.last?.addressDictionary) }else{ print("错误 \(error)") } }

打印

地址反编码成功 城市:Optional("Guangzhou")

 Optional([SubLocality: Yuexiu, Street: Yunhai Tongjin No.11, State: Guangdong, CountryCode: CN, Thoroughfare: Yunhai Tongjin No.11, Name: Luo Sangmeidi, Country: China, FormattedAddressLines: <__nsarraym 0x7ff1da5652d0>( Yunhai Tongjin No.11 Yuexiu, Guangzhou, Guangdong China ) , City: Guangzhou])

注意同一个CLGeocoder对象,不能同时编码与反编码

比如

 let geoCoder = CLGeocoder() geoCoder.geocodeAddressString("广州") { (pls:[CLPlacemark]?, error : NSError?) in ... } geoCoder.reverseGeocodeLocation(CLLocation(latitude:23.125,longitude: 113.280)) { (pls:[CLPlacemark]?, error:NSError?) in ... } 

这样只会打印第一个编码成功的结果

11、CLPlacemark对象详解

 @NSCopying public var location: CLLocation? { get }    //经纬度 @NSCopying public var region: CLRegion? { get }     //所关联的地理区域 @available(iOS 9.0, *) @NSCopying public var timeZone: NSTimeZone? { get }    //时间域 public var addressDictionary: [NSObject : AnyObject]? { get } //详细地址信息 //addressDictionary中的属性 public var name: String? { get }     //名字 public var thoroughfare: String? { get }   //街道名字 public var subThoroughfare: String? { get }  //子街道名字 public var locality: String? { get }    //城市名称 public var subLocality: String? { get }   //邻城市名称 public var administrativeArea: String? { get }  //行政区域 比如:CA public var subAdministrativeArea: String? { get } //子行政区域 public var postalCode: String? { get }    //邮政编码 public var ISOcountryCode: String? { get }   //国家代码表 public var country: String? { get }    //国家 public var inlandWater: String? { get }   //内陆水域 public var ocean: String? { get }     //海洋 public var areasOfInterest: [String]? { get }  //兴趣点

以上这篇iOS中的地理位置的获取及plist设置方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持html中文网。

以上就是iOS中的地理位置的获取及plist设置方法的详细内容,更多请关注0133技术站其它相关文章!

赞(0) 打赏
未经允许不得转载:0133技术站首页 » 移动