实现思路

1、添加高德地图

- (void)creatMapView {

_mapView = [[MAMapView alloc]initWithFrame:self.view.bounds];

_mapView.delegate = self;

_mapView.showsCompass = NO;

_mapView.showsUserLocation = YES;

_mapView.userTrackingMode = MAUserTrackingModeFollow;

//是否自定义用户位置精度圈

_mapView.customizeUserLocationAccuracyCircleRepresentation = YES;

[self.view addSubview:_mapView];

}

2、实现地图添加大头针的代理，设置当前位置图标

- (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id)annotation {

//用户当前位置大头针

if ([annotation isKindOfClass:[MAUserLocation class]])

{

static NSString *kUserLocationStyleReuseIndetifier = @"userLocationStyleReuseIndetifier";

MAAnnotationView *annotationView = [mapView dequeueReusableAnnotationViewWithIdentifier:kUserLocationStyleReuseIndetifier];

if (annotationView == nil)

{

annotationView = [[MAAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:kUserLocationStyleReuseIndetifier];

}

annotationView.canShowCallout = NO;

annotationView.image = [UIImage imageNamed:@"heardImg_passenger_default"];

annotationView.frame = CGRectMake(0, 0, 26, 26);

annotationView.contentMode = UIViewContentModeScaleToFill;

annotationView.layer.masksToBounds = YES;

annotationView.tag = kUserHearderAnnotaionViewTag;

return annotationView;

}

//其他大头针

else if ([annotation isKindOfClass:[MAPointAnnotation class]]) {

}

return nil;

}

3、在地图时时位置更新的方法里实现旋转功能

- (void)mapView:(MAMapView *)mapView didUpdateUserLocation:(MAUserLocation *)userLocation updatingLocation:(BOOL)updatingLocation

{

NSLog(@"%f,%f,%f",userLocation.heading.x,userLocation.heading.y,userLocation.heading.z);

MAAnnotationView *hearderAnnotationView = [self.mapView viewWithTag:kUserHearderAnnotaionViewTag];

if (hearderAnnotationView)

{

hearderAnnotationView.transform = CGAffineTransformIdentity;

CGAffineTransform transform = CGAffineTransformMakeRotation(-M_PI*userLocation.heading.magneticHeading/180.0);

hearderAnnotationView.transform = transform;

}

}

全部代码如下

#import "ViewController.h"

#import

#import

static const NSUInteger kUserHearderAnnotaionViewTag = 10000;

@interface ViewController ()

@property (nonatomic, strong) MAMapView *mapView;

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

[self creatMapView];

}

- (void)creatMapView {

_mapView = [[MAMapView alloc]initWithFrame:self.view.bounds];

_mapView.delegate = self;

_mapView.showsCompass = NO;

_mapView.showsUserLocation = YES;

_mapView.userTrackingMode = MAUserTrackingModeFollow;

//是否自定义用户位置精度圈

_mapView.customizeUserLocationAccuracyCircleRepresentation = YES;

[self.view addSubview:_mapView];

}

#pragma mark MAMapViewDelegate

- (void)mapView:(MAMapView *)mapView didUpdateUserLocation:(MAUserLocation *)userLocation updatingLocation:(BOOL)updatingLocation

{

NSLog(@"%f,%f,%f",userLocation.heading.x,userLocation.heading.y,userLocation.heading.z);

//通过hearderAnnotationView的tag值拿到当前位置的annotationView

MAAnnotationView *hearderAnnotationView = [self.mapView viewWithTag:kUserHearderAnnotaionViewTag];

if (hearderAnnotationView)

{

hearderAnnotationView.transform = CGAffineTransformIdentity;

CGAffineTransform transform = CGAffineTransformMakeRotation(-M_PI*userLocation.heading.magneticHeading/180.0);

hearderAnnotationView.transform = transform;

}

}

- (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id)annotation {

//用户当前位置大头针

if ([annotation isKindOfClass:[MAUserLocation class]])

{

static NSString *kUserLocationStyleReuseIndetifier = @"userLocationStyleReuseIndetifier";

MAAnnotationView *annotationView = [mapView dequeueReusableAnnotationViewWithIdentifier:kUserLocationStyleReuseIndetifier];

if (annotationView == nil)

{

annotationView = [[MAAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:kUserLocationStyleReuseIndetifier];

}

annotationView.canShowCallout = NO;

annotationView.image = [UIImage imageNamed:@"heardImg_passenger_default"];

annotationView.frame = CGRectMake(0, 0, 26, 26);

annotationView.contentMode = UIViewContentModeScaleToFill;

annotationView.layer.masksToBounds = YES;

//设置当前位置大头针annotationView的tag值

annotationView.tag = kUserHearderAnnotaionViewTag;

return annotationView;

}

//其他大头针

else if ([annotation isKindOfClass:[MAPointAnnotation class]]) {

}

return nil;

}

@end

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