关于麦子学院ios地理位置及定位系统最后一个导航应用的（ios8
我先废话一下下，一代学渣君。最近要期末啦。木有时间学习ios啦。
import UIKit
import MapKit
class ViewController: UIViewController ,MKMapViewDelegate {
var startField:UITextField!//出发地
var deretField:UITextField!//目的地
var nav:UIButton!//导航开启
var _mapView:MKMapView!
var _startLocation:CLLocation!//出发点位置信息
var _dereLocation:CLLocation!//目的地位置信息
var ge:CLGeocoder!//反编码管理类
var NavPath:MKPolyline! //导航线路
var startMark:CLPlacemark! //出发点的相关信息
override func viewDidLoad() {
super.viewDidLoad()
self .loadMapView()
self.initSubViews()
// Do any additional setup after loading the view, typically from a nib.
}
func loadMapView()
{
_mapView = MKMapView(frame: self.view.bounds)
_mapView.mapType = MKMapType.Standard
_mapView.zoomEnabled = true
_mapView.scrollEnabled = true
_mapView.rotateEnabled = true
_mapView.delegate = self
self.view.addSubview(_mapView)
self.locateToLatitudeAndLongtitude(22.55088562, longti: 113.9663327)
}
func initSubViews()
{
let scrennWidth = UIScreen.mainScreen().bounds.size.width
var scrennheight = UIScreen.mainScreen().bounds.size.height
startField = UITextField(frame: CGRectMake((scrennWidth - 200) / 2 , 30, 200, 25))
deretField = UITextField(frame: CGRectMake((scrennWidth - 200) / 2 , 60, 200, 25))
startField.borderStyle = UITextBorderStyle.RoundedRect
deretField.borderStyle = UITextBorderStyle.RoundedRect
startField.becomeFirstResponder()
startField.placeholder = "输入出发地"
deretField.placeholder = "输入目的地"
startField.font = UIFont.systemFontOfSize(13)
deretField.font = UIFont.systemFontOfSize(13)
self.view.addSubview(startField)
self.view.addSubview(deretField)
nav = UIButton(frame: CGRectMake(startField.frame.origin.x + startField.frame.size.width + 10, 45, 60, 20))
nav.layer.borderWidth = 0.5
nav.layer.borderColor = UIColor.blackColor().CGColor
nav.layer.cornerRadius = 4.0
nav.titleLabel?.font = UIFont.systemFontOfSize(13)
nav.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
nav.setTitle("开始导航", forState: UIControlState.Normal)
nav.addTarget(self, action: "startNavgation:", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(nav)
}
func locateToLatitudeAndLongtitude(lat:Double , longti:Double)
{
let coor:CLLocationCoordinate2D = CLLocationCoordinate2D(latitude: lat, longitude: longti)
let sp:MKCoordinateSpan = MKCoordinateSpan(latitudeDelta: 0.5, longitudeDelta: 0.5)
let re:MKCoordinateRegion = MKCoordinateRegion(center: coor, span: sp)
_mapView.setRegion(re, animated: true)
}
func startNavgation(senser:UIButton)
{
startField.resignFirstResponder()
deretField.resignFirstResponder()//失去第一响应
if startField.text == nil || deretField.text == nil || startField.text == "" || deretField.text == ""
{
let aler:UIAlertView = UIAlertView(title: "提示", message: "出发地或者目的地无效", delegate: nil, cancelButtonTitle: "ok")
aler.show()
return
}
self.codeerWithString(startField.text!)//开启起始点编码
}
func codeerWithString(address:NSString)
{
ge = CLGeocoder()//初始化
ge.geocodeAddressString(address as String) { ( placemarks:[CLPlacemark]?, error:NSError?) -> Void in
if placemarks!.count > 0 //实际操作中 这里需要筛选处理
{
var pl:CLPlacemark = placemarks![0] as! CLPlacemark
if address == self.startField.text
{
self._startLocation = pl.location! as CLLocation //保存好编码后的位置信息
var an:MKPointAnnotation = MKPointAnnotation()
an.coordinate = pl.location!.coordinate
an.title = "出发点"
self._mapView.addAnnotation(an)//添加大头针
self.startMark = pl //placeMark信息保留
self.locateToLatitudeAndLongtitude(self._startLocation.coordinate.latitude, longti: self._startLocation.coordinate.longitude)
self.codeerWithString(self.deretField.text!)//开启目的地位置编码
}else
{
self._dereLocation = pl.location! as CLLocation //保存好编码后的位置信息
var an:MKPointAnnotation = MKPointAnnotation()
an.coordinate = pl.location!.coordinate
an.title = "目的地"
self._mapView.addAnnotation(an)//添加大头针
/**************走到这里 位置信息编码结束****************/
self.startNavagationWithMark(pl)//启动导航
}
}
}
}
// func startNavagationWithMark(markL:CLPlacemark)
// {
//
// _mapView.removeOverlay(self.NavPath)//移除上次定位线路
//这个不能放在这里，应该删掉否则线程报错，私人认为是你刚启动应用的适合，没有上次定位路线，由于在这里没有用coredata什么的，后台走了，就自动还原成刚开始，没有存储数据。（我直接删掉，成功啦。）
//
// var request:MKDirectionsRequest = MKDirectionsRequest()//初始化一个导航请求
//
//
//
// request.setSource = self.getAItemWithMark(startMark)//设置源头.出发点
//
//
// //设置目的地
// request.setDestination = self.getAItemWithMark(markL)
// //通过request 创建一个响应头
// var mkdirection:MKDirections = MKDirections(request: request)
//
// mkdirection.calculateDirectionsWithCompletionHandler { (response:MKDirectionsResponse!, err:NSError!) -> Void in
//
// //查询返回的第一条路线
// var route:MKRoute = response.routes[0] as MKRoute
// //保存路线
// self.NavPath = route.polyline
// //添加到地图
// self._mapView.addOverlay(self.NavPath, level: MKOverlayLevel.AboveLabels)
//
//
// }
//
// }
func startNavagationWithMark(markL:CLPlacemark){
let request:MKDirectionsRequest = MKDirectionsRequest() //初始化一个导航请求
// self.getAItemWithMark(startMark)
// request.setSource(self.getAItemWithMark(startMark))
//上面就是原来的，下面是我改得版本，我进入到类里面看了，原来是已经取消了set,get方法，就直接用.赋值就行
request.source = self.getAItemWithMark(startMark)//设置源头，出发点
request.destination = self.getAItemWithMark(markL) //设置目的地
let mkdirection:MKDirections = MKDirections(request: request)//通过request创建一个响应头
mkdirection.calculateDirectionsWithCompletionHandler { (response:MKDirectionsResponse?, err:NSError?) -> Void in
//查询返回的第一条路线
var route:MKRoute = (response?.routes[0])! as MKRoute
//保存路线
self.NavPath = route.polyline
self._mapView.addOverlay(self.NavPath, level: MKOverlayLevel.AboveLabels)
}
// _mapView.removeOverlay(self.NavPath)//移除上一次定位的线路,刚开始的时候，，木有。
}
func getAItemWithMark(mark:CLPlacemark) -> MKMapItem
{
//通过CLPlaceMark创建一个MKPlaceMark
let mkp:MKPlacemark = MKPlacemark(placemark: mark)
//通过MKP 创建 MKtem
let item:MKMapItem = MKMapItem(placemark: mkp)
return item
}
func mapView(mapView: MKMapView, rendererForOverlay overlay: MKOverlay) -> MKOverlayRenderer! {
//创建一个render
let naRende:MKPolylineRenderer = MKPolylineRenderer(polyline: overlay as! MKPolyline)
//设置路线图线条颜色
naRende.strokeColor = UIColor.redColor()
naRende.lineWidth = 5.0
return naRende
}
func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView! {
let identy:NSString = "identy"
var pinView:MKPinAnnotationView? = mapView.dequeueReusableAnnotationViewWithIdentifier(identy as String) as? MKPinAnnotationView
if nil == pinView
{
pinView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: identy as String)
}
if annotation.title! == "出发点"
{
//大头针的颜色为绿色
pinView?.pinColor = MKPinAnnotationColor.Green
}
else
{
//大头针的颜色为红色
pinView?.pinColor = MKPinAnnotationColor.Red
}
return pinView
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
也就几个小错而已，我承认这些错误非常白痴，但是。我反正很开心自己解决bug啦。。
