iOS - MapKit地图的简单使用和定位

按照前人的思路，简单修改了一下代码结构，自己整理了一个简单的地图展示器，可以定位当前位置，也可以插大头针

目前只是一个简单的demo而已，仅作记录用。

github路径：https://github.com/icefishlily/FairyFishMap

核心代码如下：

////  MapViewController.m//  FairyFishMap////  Created by jinhui005 on 16/9/14.//  Copyright © 2016年 yhl. All rights reserved.//#import "MapViewController.h"#import "MapKit/MapKit.h"               //原生地图头文件#import "CoreLocation/CoreLocation.h"   //核心定位服务头文件#import "CLLocation+Sino.h"@interface MapViewController () <MKMapViewDelegate, CLLocationManagerDelegate>@property (nonatomic, strong) MKMapView *mapView;@property (nonatomic, strong) CLLocationManager *locationManager;@property (nonatomic, strong) UISegmentedControl *segment;@end@implementation MapViewController- (void)viewDidLoad {    [super viewDidLoad];    [self.view addSubview:self.mapView];    [self.view addSubview:self.segment];     CGRect rect = [UIScreen mainScreen].bounds;    self.mapView.frame = CGRectMake(0, 0, rect.size.width, rect.size.height);    self.segment.frame=CGRectMake(30,30,180,30);        CLAuthorizationStatus status = [CLLocationManager authorizationStatus];    if (kCLAuthorizationStatusNotDetermined == status) {        [self.locationManager requestAlwaysAuthorization];    }    [self.locationManager startUpdatingLocation];}- (BOOL)prefersStatusBarHidden {    return YES;}#pragma mark - 交互- (void)longPress:(UILongPressGestureRecognizer *)sender {    if (sender.state != UIGestureRecognizerStateBegan) {        return;    }    CGPoint longPressPoint = [sender locationInView:self.mapView];    CLLocationCoordinate2D coordinate2d = [self.mapView convertPoint:longPressPoint toCoordinateFromView:self.mapView];        //添加大头针    MKPointAnnotation *pointAnnotation = [[MKPointAnnotation alloc] init];    pointAnnotation.coordinate = coordinate2d;    pointAnnotation.title = @"我在这里";    pointAnnotation.subtitle = @"使用这个位置";        [self.mapView addAnnotation:pointAnnotation];    MKCircle *circle =[MKCircle circleWithCenterCoordinate:coordinate2d radius:20];        //先添加，在回调方法中创建覆盖物        [_mapView addOverlay:circle];    }//大头针的回调方法（与cell的复用机制很相似）-(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id)annotation{        //复用    MKPinAnnotationView *annotationView =(MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:@"PIN"];        //判断复用池中是否有可用的    if(annotationView==nil) {        annotationView =(MKPinAnnotationView *)[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"PIN"];    }        //添加左边的视图    UIImageView *imageView =[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"arraw"]];    imageView.frame=CGRectMake(0,0,50,50);    annotationView.leftCalloutAccessoryView=imageView;        //显示    annotationView.canShowCallout=YES;        //设置是否显示动画    annotationView.animatesDrop=YES;        //设置右边视图    UILabel *label =[[UILabel alloc] initWithFrame:CGRectMake(0,0,30,30)];    label.text=@">>";    annotationView.rightCalloutAccessoryView=label;        //设置大头针的颜色    annotationView.pinColor = MKPinAnnotationColorRed;    return annotationView;    }//覆盖物的回调方法-(MKOverlayRenderer *)mapView:(MKMapView *)mapView rendererForOverlay:(id)overlay{        //创建圆形覆盖物    MKCircleRenderer *circleRender =[[MKCircleRenderer alloc] initWithCircle:overlay];        //设置边缘颜色    circleRender.strokeColor=[UIColor grayColor];        return circleRender;    }//解决手势冲突，可以同时使用多个手势- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{    return YES;}- (void)mapTypeChanged:(UISegmentedControl *)sender {    self.mapView.mapType = sender.selectedSegmentIndex;}#pragma mark - getter setter-(MKMapView *)mapView {    if (nil == _mapView) {        _mapView = [[MKMapView alloc] init];        _mapView.delegate = self;        UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];        [_mapView addGestureRecognizer:longPress];    }    return _mapView;}-(CLLocationManager *)locationManager {    if (nil == _locationManager) {        _locationManager = [[CLLocationManager alloc] init];        //设置定位属性        _locationManager.desiredAccuracy = kCLLocationAccuracyBest;        //设置定位更行距离  米        _locationManager.distanceFilter = 10.0;        _locationManager.delegate = self;    }    return _locationManager;}-(UISegmentedControl *)segment {    if (nil == _segment) {        NSArray *array = @[@"标准", @"卫星", @"混合"];        _segment = [[UISegmentedControl alloc] initWithItems:array];        [_segment addTarget:self action:@selector(mapTypeChanged:) forControlEvents:UIControlEventValueChanged];        _segment.selectedSegmentIndex = 0;    }    return _segment;}#pragma mark - CLLocationmanagerDelegate//定位后的回调，返回结果- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations {    CLLocation *location = [locations firstObject];        //火星坐标转地球坐标    location=[location locationMarsFromEarth];    //设置地图显示经纬度的位置    MKCoordinateRegion region = MKCoordinateRegionMake(location.coordinate, MKCoordinateSpanMake(0.01, 0.01));    [self.mapView setRegion:region animated:YES];        //创建大头针    MKPointAnnotation *pointAnnotation = [[MKPointAnnotation alloc] init];    pointAnnotation.coordinate = location.coordinate;    pointAnnotation.title = @"我在这里";    pointAnnotation.subtitle = @"这是什么鬼";        [self.mapView addAnnotation:pointAnnotation];}@end