JSJP_School/LN_School/MapVC.m

//
//  MapVC.m
//  jiaPei
//
//  Created by apple on 16/2/18.
//  Copyright © 2016年 JCZ. All rights reserved.
//

#import "MapVC.h"
#import <BaiduMapAPI_Map/BMKMapComponent.h>//引入地图功能所有的头文件
#import <BaiduMapAPI_Search/BMKSearchComponent.h>//引入检索功能所有的头文件
#import <BMKLocationkit/BMKLocationComponent.h>//引入定位功能所有的头文件(新)

@interface MapVC ()<BMKMapViewDelegate,BMKLocationManagerDelegate,BMKGeoCodeSearchDelegate>
{
    BMKMapView         *_mapView;
    BMKLocationManager *_locService;
    BMKGeoCodeSearch   *_searcher;
    
    CLLocation         *meLocation;
    CLLocationCoordinate2D schLocation;
}
@property (nonatomic, strong) BMKUserLocation *userLocation;//当前位置对象

@end

@implementation MapVC

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"地图";
    self.view.backgroundColor = KBackGroundColor;
    [self goBackByNavigation];
    [self myInit];
    
}
-(void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear: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
}
-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
    _searcher.delegate = nil;
}

-(void)myInit
{
    _mapView = [[BMKMapView alloc]initWithFrame:[UIScreen mainScreen].bounds];
    _mapView.mapType = BMKMapTypeStandard;
    
    //定位功能
    _locService = [[BMKLocationManager alloc]init];
    _locService.delegate = self;
    [_locService startUpdatingLocation];
    
    //这个设置重复是为了消除一个bug 记得
    _mapView.showsUserLocation = NO;
    /*
     BMKUserTrackingModeNone 普通定位模式
     BMKUserTrackingModeFollow 定位跟随模式
     BMKUserTrackingModeFollowWithHeading 定位罗盘模式
     */
    _mapView.userTrackingMode = BMKUserTrackingModeNone;
    _mapView.zoomLevel = 17;
    _mapView.showsUserLocation = YES;
    
    BMKLocationViewDisplayParam *displayParam = [[BMKLocationViewDisplayParam alloc]init];
    displayParam.isRotateAngleValid = true;//跟随态旋转角度是否生效
    displayParam.isAccuracyCircleShow = false;//精度圈是否显示
    //displayParam.locationViewImgName= @"icon";//定位图标名称
    displayParam.locationViewOffsetX = 0;//定位偏移量(经度)
    displayParam.locationViewOffsetY = 0;//定位偏移量（纬度）
    [_mapView updateLocationViewWithParam:displayParam];
    
    [self.view addSubview:_mapView];
    
    
    if (_isJustLoad) {
        
        BMKPointAnnotation *annotation = [[BMKPointAnnotation alloc]init];
        CLLocationCoordinate2D coor;
        coor.latitude = _lat;
        coor.longitude = _lng;
        annotation.coordinate = coor;
        annotation.title = _siteName;
        [_mapView addAnnotation:annotation];
        _mapView.centerCoordinate = coor;
        
        [_mapView selectAnnotation:annotation animated:NO];
        return;
    }
    
    
    if (!self.jxdz) {
        //如果驾校没地址就显示自己位置
        _mapView.userTrackingMode = BMKUserTrackingModeFollow;
        return;
    }
    
    //驾校位置地理反编码
    if (self.jxdz.length > 0) {
        NSMutableString* mstr = [NSMutableString stringWithString:self.jxdz];
        NSRange substr = [mstr rangeOfString:@"省"];
        NSRange substr2 = [mstr rangeOfString:@"市"];
        NSString *cityStr,*addressStr;
        if (substr2.location == NSNotFound)
        {
            cityStr = @"";
            addressStr = mstr;
        }
        else
        {
            if (substr.location == NSNotFound)
            {
                cityStr = [mstr substringWithRange:NSMakeRange(0, substr2.location + 1)];
            }
            else
            {
                cityStr = [mstr substringWithRange:NSMakeRange(substr.location + substr.length, substr2.location - substr.location - substr.length + 1)];
            }
            addressStr = [mstr substringFromIndex:substr2.location + 1];
        }
        
        //NSLog(@"cityStr-->%@--addressStr-->%@",cityStr,addressStr);
        
        _searcher =[[BMKGeoCodeSearch alloc]init];
        _searcher.delegate = self;
        BMKGeoCodeSearchOption *geoCodeSearchOption = [[BMKGeoCodeSearchOption alloc]init];
        geoCodeSearchOption.city= cityStr;
        geoCodeSearchOption.address = addressStr;
        [_searcher geoCode:geoCodeSearchOption];
    }
}

- (void)onGetGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKGeoCodeSearchResult *)result errorCode:(BMKSearchErrorCode)error {
    if (error == BMK_SEARCH_NO_ERROR) {
        //在此处理正常结果
        BMKPointAnnotation* annotation = [[BMKPointAnnotation alloc]init];
        ;
        annotation.coordinate = result.location;
        annotation.title = self.jxdz;
        [_mapView addAnnotation:annotation];
        _mapView.centerCoordinate = result.location;
        
        schLocation = result.location;
        //[self getDistance];
    }
    else {
        
        //如果没找到驾校位置 就找自己的位置
        _mapView.userTrackingMode = BMKUserTrackingModeFollow;
    }
}

//标注的代理
- (BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id<BMKAnnotation>)annotation {
    if ([annotation isKindOfClass:[BMKPointAnnotation class]]) {
        BMKPinAnnotationView *newAnnotationView = [[BMKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"myAnnotation"];
        newAnnotationView.pinColor = BMKPinAnnotationColorPurple;
        // 设置该标注点动画显示
        newAnnotationView.animatesDrop = YES;
        return newAnnotationView;
    }
    return nil;
}

//处理位置坐标更新
- (void)BMKLocationManager:(BMKLocationManager *)manager didUpdateLocation:(BMKLocation *)location orError:(NSError *)error {
    self.userLocation.location = location.location;
    [_mapView updateLocationData:_userLocation];
    meLocation = _userLocation.location;
}

//-(CGFloat)getDistance
//{
//    CLLocation* dist=[[CLLocation alloc] initWithLatitude:schLocation.latitude longitude:schLocation.longitude];
//    CLLocationDistance kilometers=[meLocation distanceFromLocation:dist]/1000;
//
//    NSLog(@"距离-->%f",kilometers);
//    return kilometers;
//}

- (BMKUserLocation *)userLocation {
    if (!_userLocation) {
        _userLocation = [[BMKUserLocation alloc] init];
    }
    return _userLocation;
}


@end