iOS百度地图的定位，反编码出当前详细位置（最新版百度地图3.3.0）
// Created by 张建 on 17/5/9.
// Copyright © 2017年 zhangjian. All rights reserved.
#import "ViewController.h"
@interface ViewController ()<BMKMapViewDelegate, BMKLocationServiceDelegate, BMKGeoCodeSearchDelegate>
{
//地图
BMKMapView* _mapView;
//定位
BMKLocationService* _locService;
BMKGeoCodeSearch *_geocodesearch; //地理编码主类，用来查询、返回结果信息
BMKPointAnnotation *_pointAnnotation;
CLLocationCoordinate2D coord;
NSString *address;
}
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
//添加地图
[self addBaiduMap];
_geocodesearch = [[BMKGeoCodeSearch alloc] init];
// _geocodesearch.delegate = self;
//开始定位
[self startLocation];
}
- (void)addBaiduMap{
_mapView = [[BMKMapView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
_mapView.mapType = BMKMapTypeStandard;//设置地图为空白类型
_mapView.showsUserLocation = YES;//是否显示定位图层（即我的位置的小圆点）
[_mapView setZoomLevel:19.0];
// _mapView.userTrackingMode = BMKUserTrackingModeFollow;
[self.view addSubview:_mapView];
//去除百度地图定位后的蓝色圆圈和定位蓝点(精度圈)
BMKLocationViewDisplayParam *displayParam = [[BMKLocationViewDisplayParam alloc]init];
displayParam.isAccuracyCircleShow = false;//精度圈是否显示
displayParam.locationViewOffsetX = 0;//定位偏移量(经度)
displayParam.locationViewOffsetY = 0;//定位偏移量（纬度）
displayParam.locationViewImgName= @"icon";//定位图标名称 去除蓝色的圈
[_mapView updateLocationViewWithParam:displayParam];
}
- (void)startLocation{
//初始化BMKLocationService
_locService = [[BMKLocationService alloc]init];
// _locService.delegate = self;
// _locService.desiredAccuracy = kCLLocationAccuracyNearestTenMeters;
// _locService.distanceFilter = 100.f;
//启动LocationService
[_locService startUserLocationService];
//解决定位用户的位置,进来直接显示天安门
// BMKCoordinateRegion region;
// region = BMKCoordinateRegionMake(coord, BMKCoordinateSpanMake(0.02f, 0.02f));
// BMKCoordinateRegion adjustRegion = [_mapView regionThatFits:region];
// [_mapView setRegion:adjustRegion animated:YES];
}
-(void)viewWillAppear:(BOOL)animated
{
[_mapView viewWillAppear];
_mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
_locService.delegate = self;
_geocodesearch.delegate = self;
}
-(void)viewWillDisappear:(BOOL)animated
{
[_mapView viewWillDisappear];
_mapView.delegate = nil; // 不用时，置nil
_locService.delegate = nil;
_geocodesearch.delegate = nil;
}
/**
*在地图View将要启动定位时，会调用此函数
*@param mapView 地图View
*/
- (void)willStartLocatingUser
{
NSLog(@"start locate");
}
//实现相关delegate 处理位置信息更新
//处理方向变更信息
- (void)didUpdateUserHeading:(BMKUserLocation *)userLocation
{
//NSLog(@"heading is %@",userLocation.heading);
// [_mapView updateLocationData:userLocation];
}
//处理位置坐标更新
- (void)didUpdateBMKUserLocation:(BMKUserLocation *)userLocation
{
NSLog(@"获取坐标成功");
NSLog(@"didUpdateUserLocation lat %f,long %f",userLocation.location.coordinate.latitude,userLocation.location.coordinate.longitude);
// //更新地图上的位置
// [_mapView updateLocationData:userLocation];
if (userLocation.location != nil) {
//添加当前位置的标注
CLLocationCoordinate2D pt;
pt = userLocation.location.coordinate;
pt.latitude = userLocation.location.coordinate.latitude;
pt.longitude = userLocation.location.coordinate.longitude;
_pointAnnotation = [[BMKPointAnnotation alloc] init];
_pointAnnotation.coordinate = pt;
[_mapView setCenterCoordinate:pt animated:true];
[_mapView addAnnotation:_pointAnnotation];
//反编码地理位置
BMKReverseGeoCodeOption *reverseGeocodeSearchOption = [[BMKReverseGeoCodeOption alloc] init];
reverseGeocodeSearchOption.reverseGeoPoint = pt;
if ([_geocodesearch reverseGeoCode:reverseGeocodeSearchOption]) {
[_locService stopUserLocationService];
}
}
// //表示范围的结构体
// BMKCoordinateRegion region;
// region.center.latitude = userLocation.location.coordinate.latitude;
// region.center.longitude = userLocation.location.coordinate.longitude;
// 经度范围（设置为0.1表示显示范围为0.2的纬度范围）
// _mapView.centerCoordinate = userLocation.location.coordinate; //更新当前位置到地图中间
//
// //地理反编码
//
// BMKReverseGeoCodeOption *reverseGeocodeSearchOption = [[BMKReverseGeoCodeOption alloc]init];
//
// reverseGeocodeSearchOption.reverseGeoPoint = userLocation.location.coordinate;
//
// BOOL flag = [_geocodesearch reverseGeoCode:reverseGeocodeSearchOption];
//
// if(flag){
//
// NSLog(@"反geo检索发送成功");
//// _mapView.region = region;
// [_locService stopUserLocationService];
//
// }else{
//
// NSLog(@"反geo检索发送失败");
//
// }
// _mapView.region = region;
// CLLocationCoordinate2D pt=(CLLocationCoordinate2D){0,0};
// pt=(CLLocationCoordinate2D){coord.latitude,coord.longitude};
// dispatch_async(dispatch_get_main_queue(), ^{
// [_mapView removeOverlays:_mapView.overlays];
// [_mapView setCenterCoordinate:coord animated:true];
// [_mapView addAnnotation:_pointAnnotation];
//
// });
/*
//方法一:
//创建地理编码对象
CLGeocoder *geocoder=[[CLGeocoder alloc]init];
//创建位置
CLLocation *location=[[CLLocation alloc]initWithLatitude:coord.latitude longitude:coord.longitude];
//反地理编码
[geocoder reverseGeocodeLocation:location completionHandler:^(NSArray
//判断是否有错误或者placemarks是否为空
if (error !=nil || placemarks.count==0) {
NSLog(@"%@",error);
return ;
}
for (CLPlacemark *placemark in placemarks) {
//赋值详细地址
NSLog(@"%@",placemark.name);
_pointAnnotation.title = placemark.name;
}
}];
*/
/*
// //表示范围的结构体
// BMKCoordinateRegion region;
// region.center.latitude = userLocation.location.coordinate.latitude;
// region.center.longitude = userLocation.location.coordinate.longitude;
//// 经度范围（设置为0.1表示显示范围为0.2的纬度范围）
// region.span.latitudeDelta = 0.2;
// region.span.longitudeDelta = 0.2;
// if (_mapView) {
// _mapView.region = region;
// }
// [_mapView setZoomLevel:19.0];
// [_locService stopUserLocationService];//定位完成停止位置更新
*/
}
#pragma mark -------------地理反编码的delegate---------------
-(void)onGetReverseGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKReverseGeoCodeResult *)result errorCode:(BMKSearchErrorCode)error
{
NSLog(@"address:%@----%@-----%@",result.addressDetail, result.address,result.sematicDescription);
if (error == 0) {
[_locService stopUserLocationService];
address = result.sematicDescription;
_pointAnnotation.title = result.address;
_pointAnnotation.subtitle = address;
}else{
NSLog(@"address:定位失败+++++");
}
//addressDetail: 层次化地址信息
//address: 地址名称
//businessCircle: 商圈名称
// location: 地址坐标
// poiList: 地址周边POI信息，成员类型为BMKPoiInfo
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end