iOS-地圖相關(guān)（蘋果地圖、百度地圖、高德地圖）

一、蘋果地圖相關(guān)

第一、室外定位

**一.新建工程,在工程 Build Phases 中的 Link Binary With Libraries 中添加框架**
    
        CoreLocation.framework
        MapKit.framework

**二.建議創(chuàng)建 PCH 文件,在文件中導(dǎo)入頭文件**
    
        #import <MapKit>
        #import <CoreLocation>

**三.在相關(guān)控制器中遵守協(xié)議**

        <CLLocationManagerDelegate>
        <MKMapViewDelegate>

**四.申明相關(guān)屬性**

        @property (nonatomic, retain)MKMapView *mapView;
        @property (nonatomic, retain)CLLocationManager *locaManager;

**五.在 ViewDidLoad 方法或者其他相關(guān)方法里實現(xiàn)以下代碼**
    
            //定位管理器
            self.locaManager = [[CLLocationManager alloc]init];
            //如果沒有授權(quán)則請求用戶授權(quán)
            if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined){
                [self.locaManager requestWhenInUseAuthorization];
            }else if([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedWhenInUse){
                //設(shè)置代理
                self.locaManager.delegate = self;
                
                //設(shè)置定位精度
                self.locaManager.desiredAccuracy = kCLLocationAccuracyBest;
                //定位頻率,每隔多少米定位一次
                CLLocationDistance distance = 10.0;//十米定位一次
                self.locaManager.distanceFilter = distance;
                //啟動跟蹤定位
                [self.locaManager startUpdatingLocation];
            }
           
            //初始化地圖視圖
            self.mapView = [[MKMapView alloc] initWithFrame:CGRectMake(10, 80, WIDTH-20, 160)];
            //設(shè)置地圖樣式為基本樣式（這里有三種樣式）
            self.mapView.mapType = MKMapTypeStandard;
            //是否顯示當(dāng)前位置
            self.mapView.showsUserLocation = YES;
            //設(shè)置代理
            self.mapView.delegate = self;
            [self.view addSubview:self.mapView];

**六.實現(xiàn)相關(guān)代理方法**

        //獲取用戶位置
        - (void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation{
            //點擊大頭針，出現(xiàn)信息
            userLocation.title = @"我的位置";
            //讓地圖視圖轉(zhuǎn)移到用戶當(dāng)前位置
            [mapView setCenterCoordinate:userLocation.location.coordinate animated:YES];
            //設(shè)置精度，以及顯示用戶所在地
            MKCoordinateSpan span = MKCoordinateSpanMake(1, 1);//比例尺為1：10^5,1厘米代表1公里
            MKCoordinateRegion region = MKCoordinateRegionMake(userLocation.location.coordinate, span);
            [mapView setRegion:region animated:YES];
        }

        //獲取經(jīng)緯度
        - (void)locationManager:(CLLocationManager *)manager
             didUpdateLocations:(NSArray *)locations
        {
             CLLocation *currLocation = [locations lastObject];
             NSLog(@"后臺定位的經(jīng)度%f   緯度%f    海拔%f   行進方向%f",currLocation.coordinate.longitude,currLocation.coordinate.latitude,currLocation.altitude,currLocation.course);
            [self.model bianlinowlat:currLocation.coordinate.latitude nowlong:currLocation.coordinate.longitude];
        }

        //計算移動距離 (根據(jù)經(jīng)緯度)
        -(float)julinowlat:(double)nowlat nowlong:(double)nowlong oldWeiZhi:(NSDictionary *)dict
        {
            CLLocation *orig=[[CLLocation alloc] initWithLatitude:[dict[@"weidu"] doubleValue]  longitude:[dict[@"jingdu"] doubleValue]];
            CLLocation* dist=[[CLLocation alloc] initWithLatitude:nowlat longitude:nowlong];
            CLLocationDistance kilometers=[orig distanceFromLocation:dist];
            return kilometers;
        
        }    

**七.配置 info.list 文件**
        
        增加屬性 NSLocationWhenInUseUsageDescription

第二、定位城市

圖片.png
    1.引入文件
        #import <CoreLocation>
        #import "TQLocationConverter.h"
        #import "ZCChinaLocation.h"

    2.導(dǎo)入?yún)f(xié)議代理和定義屬性
        <CLLocationManagerDelegate>
        /// 定位
        @property (nonatomic , strong) CLLocationManager *locationManager;
        /// 得到當(dāng)前位置的經(jīng)緯度
        @property (nonatomic , assign) CLLocationCoordinate2D curCoordinate2D;

    3.viewDidLoad

        - (void)viewDidLoad {
            [super viewDidLoad];
        
            // 背景顏色
        //    self.view.backgroundColor = NavColor;
            self.view.backgroundColor = [UIColor orangeColor];
            [self locationInit];
        
            // 導(dǎo)航欄
            [self createNavView];
            // 中部視圖
            [self createCenterView];
        }


    4.定位初始化

        /// 定位初始化
        - (void)locationInit{
            NSLog(@"定位初始化");
            //定位管理器
            self.locationManager=[[CLLocationManager alloc]init];
            //如果沒有授權(quán)則請求用戶授權(quán)
            if ([CLLocationManager authorizationStatus]==kCLAuthorizationStatusNotDetermined ){
                [_locationManager requestWhenInUseAuthorization];
            }else if([CLLocationManager authorizationStatus]==kCLAuthorizationStatusAuthorizedAlways || [CLLocationManager authorizationStatus]==kCLAuthorizationStatusAuthorizedWhenInUse){
                //設(shè)置代理
                _locationManager.delegate=self;
                //設(shè)置定位精度
                //        [self.locationManager setAllowsBackgroundLocationUpdates:YES];
                _locationManager.desiredAccuracy=kCLLocationAccuracyBest;
                _locationManager.pausesLocationUpdatesAutomatically = NO;
                //定位頻率,每隔多少米定位一次
                CLLocationDistance distance = 10;
                _locationManager.distanceFilter=distance;
                //啟動跟蹤定位
                [_locationManager startUpdatingLocation];
            }
        }

    5.代理方法及地理經(jīng)緯度轉(zhuǎn)換

        #pragma mark - 代理方法相關(guān)
        - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation> *)locations{
            CLLocation *currentLoction = [locations lastObject];
            /// 得到當(dāng)前位置的經(jīng)緯度
            self.curCoordinate2D = currentLoction.coordinate;
            NSLog(@"定位直接得到的坐標(biāo)===%f  %f",_curCoordinate2D.latitude,_curCoordinate2D.longitude);
            [self.locationManager stopUpdatingLocation];
        
            /// 判斷當(dāng)前坐標(biāo)是否在中國
            BOOL isChina = [[ZCChinaLocation shared] isInsideChina:(CLLocationCoordinate2D){_curCoordinate2D.latitude,_curCoordinate2D.longitude}];
            if (isChina) {
                /// 轉(zhuǎn)換坐標(biāo) 不轉(zhuǎn)換會出現(xiàn)偏移
                _curCoordinate2D = [TQLocationConverter transformFromWGSToGCJ:_curCoordinate2D];
                
                //獲得地理位置名字
                [self googleMapAddress];
            } 
        }

    6.地理經(jīng)緯度轉(zhuǎn)換后獲取相關(guān)位置

        // 獲得地理位置名字
        - (NSString *)googleMapAddress{
            __block NSString *addressStr;
            CLGeocoder *geocoder = [[CLGeocoder alloc] init];
            CLLocation *location = [[CLLocation alloc] initWithLatitude:_curCoordinate2D.latitude longitude:_curCoordinate2D.longitude];
            NSLog(@"轉(zhuǎn)換后得到的坐標(biāo)===%f  %f",_curCoordinate2D.latitude,_curCoordinate2D.longitude);
        
            [geocoder reverseGeocodeLocation:location completionHandler:^(NSArray<CLPlacemark> * _Nullable placemarks, NSError * _Nullable error) {
                if (error || placemarks.count == 0) {
                    addressStr = @"";
                    NSLog(@"獲取定理位置失敗");
                }else{
                    addressStr = [placemarks firstObject].locality;
                    NSLog(@"------------ %@",addressStr);
                    NSString *city = [addressStr substringWithRange:NSMakeRange(0, 2) ];
                    [_navView.LocationBtn setTitle:city forState:UIControlStateNormal];
                    
                    //存儲city  用以判斷下次app進入city默認(rèn)顯示值
                    [[NSUserDefaults standardUserDefaults] setObject:city forKey:@"city"];
                    [[NSUserDefaults standardUserDefaults] synchronize];
                }
            }];
            return addressStr;
        }

    7.點擊城市按鈕 （單次點擊和多次點擊，開了定位權(quán)限點擊和關(guān)了定位權(quán)限點擊）

        - (void)locationBtnClick:(UIButton *)sender{
            [MSUPermissionTool getLocationPermission:NO result:^(NSInteger authStatus) {
                if (authStatus == 1 || authStatus == 0) {
                    self.hidesBottomBarWhenPushed = YES;
                    MSULocationController *location = [[MSULocationController alloc] init];
                    [self presentViewController:location animated:YES completion:nil];
                    self.hidesBottomBarWhenPushed = NO;
                }else{
                    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"溫馨提示" message:@"請去-> [設(shè)置 - 隱私 - 定位服務(wù) - 秀貝] 打開訪問開關(guān)" preferredStyle:UIAlertControllerStyleAlert];
                    [alert addAction:[UIAlertAction actionWithTitle:@"確定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                        //確定按鈕點擊事件處理
                    }]];
                    [self presentViewController:alert animated:YES completion:nil];
                }
            }];
        }

二、百度地圖（地圖視圖加搜索附近功能，簡易版，未加任何性能優(yōu)化）

圖片.png
問題：打開百度地圖后，發(fā)現(xiàn)百度地圖顯示錯誤，控制臺輸出提示引擎初始化失?。淮藛栴}還會導(dǎo)致第二次登錄進入百度地圖控制器界面報錯，報錯位置在   self.mapView =[[BMKMapView alloc] init];


 解決方案：

第一步：

CEAE347C-00F4-4E94-8E3C-55CEB5E5E49E.png
66C43601-F894-428C-B402-B31F979CA04F.png

第二步：
卸載真機上的app 重新運行！

0、在百度開放平臺注冊，導(dǎo)入相關(guān)依賴庫
D2F17BED-9BA5-43ED-AE14-567E2DE15C1B.png
1、cocoapods 集成百度地圖框架 pod "BaiduMapKit"

2、導(dǎo)入相關(guān)頭文件

    #import <BaiduMapKit/BaiduMapAPI_Map/BMKMapView.h> //mapview 顯示相關(guān)
    #import <BaiduMapKit/BaiduMapAPI_Location/BMKLocationService.h> //定位相關(guān)
    #import <BaiduMapAPI_Search/BMKGeocodeSearch.h> //geo編碼和反geo編碼相關(guān)
    #import <BaiduMapAPI_Search/BMKPoiSearchType.h> //定位信息相關(guān)

    @property (nonatomic , strong) BMKMapView* mapView;
    @property (nonatomic , strong) BMKLocationService *localService;
    @property(nonatomic,strong)BMKGeoCodeSearch* geocodesearch;
    
    @property(nonatomic,assign)NSInteger currentSelectLocationIndex;
    @property(nonatomic,assign)CLLocationCoordinate2D currentCoordinate;
    
    
    @property (nonatomic , strong) UITableView *tableView;
    @property (nonatomic , strong) NSMutableArray *dataArr;

3、viewDidLoad初始化

        // mapview 初始化相關(guān)
        self.mapView = [[BMKMapView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, 300)];
        [self.view addSubview:_mapView];
        _mapView.zoomEnabled=NO;
        _mapView.zoomEnabledWithTap=NO;
        _mapView.zoomLevel=17;
        _mapView.showsUserLocation = NO;// 先關(guān)閉顯示的定位圖層
        _mapView.userTrackingMode = BMKUserTrackingModeFollow;//設(shè)置定位的狀態(tài)
        self.mapView.showsUserLocation = YES;//顯示定位圖層
        self.currentSelectLocationIndex = 0;


        // 隱藏百度地圖logo
        UIView *mView = _mapView.subviews.firstObject;
        for (id logoView in mView.subviews)
        {
            if ([logoView isKindOfClass:[UIImageView class]])
            {
                UIImageView *b_logo = (UIImageView*)logoView;
                b_logo.hidden = YES;
            }
        }

    // 定位初始化
    self.localService = [[BMKLocationService alloc] init];
    _localService.delegate = self;
    [_localService startUserLocationService];

    //geo編碼相關(guān)
    self.geocodesearch = [[BMKGeoCodeSearch alloc] init];
    _geocodesearch.delegate = self;

    //初始化tableview列表
    self.dataArr = [NSMutableArray array];
    [self createMyTableView];

4、內(nèi)存優(yōu)化相關(guān)

    -(void)viewWillAppear:(BOOL)animated
    {
        [_mapView viewWillAppear];
        _mapView.delegate = self; // 此處記得不用的時候需要置nil，否則影響內(nèi)存的釋放
        self.localService.delegate = self;
        self.geocodesearch.delegate = self;
    }
    -(void)viewWillDisappear:(BOOL)animated
    {
        [_mapView viewWillDisappear];
        _mapView.delegate = nil; // 不用時，置nil
        self.localService.delegate = nil;
        self.geocodesearch.delegate = nil;
    }

    - (void)dealloc
    {
        if (_mapView)
        {
            _mapView = nil;
        }
        if (_geocodesearch)
        {
            _geocodesearch = nil;
        }
        if (_localService)
        {
            _localService = nil;
        }
    }
        
5、tableview 相關(guān)

    #pragma mark - tableview
    - (void)createMyTableView{
        self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 300, WIDTH, HEIGHT-300) style:UITableViewStylePlain];
        _tableView.backgroundColor = [UIColor yellowColor];
        _tableView.dataSource = self;
        _tableView.delegate = self;
        [self.view addSubview:_tableView];
    }
    
    - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
        return self.dataArr.count;
    }
    
    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
        static NSString *cellID = @"haha";
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];
        if (!cell) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellID];
        }
        
        BMKPoiInfo *model=[self.dataArr objectAtIndex:indexPath.row];
        cell.textLabel.text=model.name;
        cell.detailTextLabel.text=model.address;
        cell.detailTextLabel.textColor=[UIColor grayColor];
        if (self.currentSelectLocationIndex==indexPath.row){
           cell.accessoryType=UITableViewCellAccessoryCheckmark;
       }
      else{
         cell.accessoryType=UITableViewCellAccessoryNone;
      }    


        return cell;
    }
    
    - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
        
    }

6、currentCoordinate的set方法，用于反geo檢索

    - (void)setCurrentCoordinate:(CLLocationCoordinate2D)currentCoordinate{
        _currentCoordinate=currentCoordinate;
        BMKReverseGeoCodeOption *reverseGeocodeSearchOption = [[BMKReverseGeoCodeOption alloc]init];
        reverseGeocodeSearchOption.reverseGeoPoint = currentCoordinate;
        BOOL flag = [_geocodesearch reverseGeoCode:reverseGeocodeSearchOption];
        if(flag)
        {
            NSLog(@"反geo檢索發(fā)送成功");
        }
        else
        {
            NSLog(@"反geo檢索發(fā)送失敗");
        }
    
    }

7、#pragma mark - 地圖代理相關(guān)

    /**
     *在地圖View將要啟動定位時，會調(diào)用此函數(shù)
     */
    - (void)willStartLocatingUser
    {
        NSLog(@"start locate");
    }
    
    /**
     *用戶方向更新后，會調(diào)用此函數(shù)
     *@param userLocation 新的用戶位置
     */
    - (void)didUpdateUserHeading:(BMKUserLocation *)userLocation
    {
        [self.mapView updateLocationData:userLocation];
        //    NSLog(@"heading is %@",userLocation.heading);
    }
    
    /**
     *用戶位置更新后，會調(diào)用此函數(shù)
     *@param userLocation 新的用戶位置
     */
    - (void)didUpdateBMKUserLocation:(BMKUserLocation *)userLocation
    {
        isFirstLocation=NO;
        [self.mapView  updateLocationData:userLocation];
        self.currentCoordinate = userLocation.location.coordinate;
        
        NSLog(@"地理位置信息 %f %f",self.currentCoordinate.latitude,self.currentCoordinate.longitude);
        
        if (self.currentCoordinate.latitude!=0)
        {
            [self.localService stopUserLocationService];
        }
    }
    
    /**
     *在地圖View停止定位后，會調(diào)用此函數(shù)
     */
    - (void)didStopLocatingUser
    {
        NSLog(@"stop locate");
    }
    
    /**
     *定位失敗后，會調(diào)用此函數(shù)
     *@param error 錯誤號，參考CLError.h中定義的錯誤號
     */
    - (void)didFailToLocateUserWithError:(NSError *)error
    {
        NSLog(@"location error");
        
    }
    
    - (void)mapView:(BMKMapView *)mapView onClickedMapBlank:(CLLocationCoordinate2D)coordinate
    {
        NSLog(@"map view: click blank");
    }
    - (void)mapView:(BMKMapView *)mapView regionDidChangeAnimated:(BOOL)animated
    {
        if (!isFirstLocation)
        {
    //        CLLocationCoordinate2D tt =[mapView convertPoint:self.centerCallOutImageView.center toCoordinateFromView:self.centerCallOutImageView];
    //        self.currentCoordinate=tt;
        }
        
    }

8.geo檢索代理

    #pragma mark - BMKGeoCodeSearchDelegate

    /**
     *返回地址信息搜索結(jié)果
     *@param searcher 搜索對象
     *@param result 搜索結(jié)BMKGeoCodeSearch果
     *@param error 錯誤號，@see BMKSearchErrorCode
     */
    - (void)onGetGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKGeoCodeResult *)result errorCode:(BMKSearchErrorCode)error
    {
        NSLog(@"返回地址信息搜索結(jié)果,失敗-------------");
    }
    
    /**
     *返回反地理編碼搜索結(jié)果
     *@param searcher 搜索對象
     *@param result 搜索結(jié)果
     *@param error 錯誤號，@see BMKSearchErrorCode
     */
    
    - (void)onGetReverseGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKReverseGeoCodeResult *)result errorCode:(BMKSearchErrorCode)error
    {
        if (error == BMK_SEARCH_NO_ERROR)
        {
            [self.dataArr removeAllObjects];
            [self.dataArr addObjectsFromArray:result.poiList];
            
            if (isFirstLocation)
            {
                //把當(dāng)前定位信息自定義組裝 放進數(shù)組首位
                BMKPoiInfo *first =[[BMKPoiInfo alloc]init];
                first.address=result.address;
                first.name=@"[當(dāng)前位置]";
                first.pt=result.location;
                first.city=result.addressDetail.city;
                [self.dataArr insertObject:first atIndex:0];
            }
            
            [self.tableView reloadData];
            
        }
    }
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