iOS-高德地图点击地图获取点击点对应的地理位置，并添加自定义的大头针

这是我在开发中遇到的问题，如果大家有什么更好的方法或者建议都可以留言给我，不说了直接粘代码吧

///地图需要v4.5.0及以上版本才必须要打开此选项（v4.5.0以下版本，需要手动配置info.plist）
[AMapServices sharedServices].enableHTTPS = YES;

///初始化地图
_mapView = [[MAMapView alloc] initWithFrame:self.locationView.bounds];
_mapView.delegate = self;
//给_mapView添加长按手势
UILongPressGestureRecognizer *lpress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
lpress.delegate = self;
[_mapView addGestureRecognizer:lpress];

///把地图添加至view
[self.locationView addSubview:_mapView];

///进入地图就显示定位小蓝点
// 开启定位
_mapView.showsUserLocation = YES;
// 追踪用户位置
_mapView.userTrackingMode = MAUserTrackingModeFollow;

// 设置成NO表示关闭指南针；YES表示显示指南针
_mapView.showsCompass= NO;
//全局的大头针
_pointAnnotation = [[MAPointAnnotation alloc] init];

#pragma mark - 允许多手势响应
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
return YES;
}

//自定义大头针我这里只是把大头针变成一张自定义的图片
- (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id<MAAnnotation>)annotation
{
if ([annotation isKindOfClass:[MAPointAnnotation class]])
{
static NSString *reuseIndetifier = @"annotationReuseIndetifier";
MAAnnotationView *annotationView = (MAAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:reuseIndetifier];
if (annotationView == nil)
{
annotationView = [[MAAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:reuseIndetifier];
}
annotationView.image = [UIImage imageNamed:@"list_map_ico_location"];
//设置中心点偏移，使得标注底部中间点成为经纬度对应点
annotationView.centerOffset = CGPointMake(0, -18);
return annotationView;
}
return nil;
}

- (void)longPress:(UIGestureRecognizer*)gestureRecognizer{
if (gestureRecognizer.state == UIGestureRecognizerStateEnded){
return;
}
[_mapView removeAnnotation:_pointAnnotation];
//坐标转换
CGPoint touchPoint = [gestureRecognizer locationInView:_mapView];
CLLocationCoordinate2D touchMapCoordinate =
[_mapView convertPoint:touchPoint toCoordinateFromView:_mapView];

_pointAnnotation.coordinate = touchMapCoordinate;
//_pointAnnotation.title = @"设置名字";

[_mapView addAnnotation:_pointAnnotation];

[self setLocationWithLatitude:touchMapCoordinate.latitude AndLongitude:touchMapCoordinate.longitude];
}

- (void)setLocationWithLatitude:(CLLocationDegrees)latitude AndLongitude:(CLLocationDegrees)longitude{

NSString *latitudeStr = [NSString stringWithFormat:@
4000
"%f",latitude];
NSString *longitudeStr = [NSString stringWithFormat:@"%f",longitude];
_mapCoordinate = [NSString stringWithFormat:@"%@,%@",latitudeStr,longitudeStr];
//NSLog(@"%@",_mapCoordinate);
//反编码 经纬度---->位置信息
CLLocation *location=[[CLLocation alloc]initWithLatitude:latitude longitude:longitude];
CLGeocoder *geocoder=[[CLGeocoder alloc]init];
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
if (error) {
NSLog(@"反编码失败:%@",error);
[self.view makeToast:@"该网点经纬度信息有误，请重新标注！"];
}else{
//NSLog(@"反编码成功:%@",placemarks);
CLPlacemark *placemark=[placemarks lastObject];
//NSLog(@"%@",placemark.addressDictionary[@"FormattedAddressLines"]);
NSDictionary *addressDic=placemark.addressDictionary;

NSString *state=[addressDic objectForKey:@"State"];
NSString *city=[addressDic objectForKey:@"City"];
NSString *subLocality=[addressDic objectForKey:@"SubLocality"];
NSString *street=[addressDic objectForKey:@"Street"];
//NSLog(@"%@,%@,%@,%@",state,city,subLocality,street);
NSString *strLocation;
if (street.length == 0 || street == NULL || [street isEqualToString:@"(null)"]) {
strLocation= [NSString stringWithFormat:@"%@%@%@",state,city,subLocality];
}else{
strLocation= [NSString stringWithFormat:@"%@%@%@%@",state,city,subLocality,street];
}

self.addressTextView.text = strLocation;
}
}];
}

/*
* 手机定位你当前的位置，并获得你位置的信息
*/
- (void)mobilePhonePositioning{

_locationManager = [[AMapLocationManager alloc] init];
_locationManager.delegate = self;
[AMapServices sharedServices].apiKey =@"你的key值";
// 带逆地理信息的一次定位（返回坐标和地址信息）
[_locationManager setDesiredAccuracy:kCLLocationAccuracyBest];
//   定位超时时间，最低2s，此处设置为10s
_locationManager.locationTimeout =10;
//   逆地理请求超时时间，最低2s，此处设置为10s
_locationManager.reGeocodeTimeout = 10;

// 显示进度圈
[self showHUDWithStatus:@"正在定位您的位置..."];

// 带逆地理（返回坐标和地址信息）。将下面代码中的 YES 改成 NO ，则不会返回地址信息。
[_locationManager requestLocationWithReGeocode:YES completionBlock:^(CLLocation *location, AMapLocationReGeocode *regeocode, NSError *error) {
// 隐藏进度圈
[self dismissHUDIgnoreShowCount];

if (error)
{
//NSLog(@"locError:{%ld - %@};", (long)error.code, error.localizedDescription);
[self.view makeToast:@"抱歉，未能定位到你的位置!"];
if (error.code == AMapLocationErrorLocateFailed)
{
return;
}
}

//NSLog(@"location:%@", location);
NSString *latitude = [NSString stringWithFormat:@"%f",location.coordinate.latitude];
NSString *longitude = [NSString stringWithFormat:@"%f",location.coordinate.longitude];
_mapCoordinate = [NSString stringWithFormat:@"%@,%@",latitude,longitude];

if (regeocode)
{
//NSLog(@"reGeocode:%@", regeocode);
self.addressTextView.text = regeocode.formattedAddress;
}
}];
}

具体的效果图如下：