项目需要集成百度地图,那么关于如何集成百度地图的事,就自己去百度开放平台查看文档吧,这是非常简单的事,在这里就不多说了。
那么下面我就说说我在这个demo里所做的事。
首先,项目需要具备定位及计算两地的距离
其次,项目需要根据两个地点来拿到所有路线,并且可根据不同的策略拿到对应的最佳路线。
最后,需要拿到打车相关信息
那么这里我就自己写了一个单例类,这是在内部处理所有的代理,外部可以非常方便地调用,如果有好的建议,请在评论中赐教,谢谢!
- //
- // HYBBaiduMapHelper.h
- // BaiduMapDemo
- //
- // Created by 黄仪标 on 14/11/18.
- // Copyright (c) 2014年 黄仪标. All rights reserved.
- //
- #import <Foundation/Foundation.h>
- #import "BMapKit.h"
- typedef void (^HYBUserLocationCompletion)(BMKUserLocation *userLocation);
- typedef void (^HYBRouteSearchCompletion)(BMKTransitRouteResult *result);
- /*!
- * @brief 百度地图相关API操作类
- *
- * @author huangyibiao
- */
- @interface HYBBaiduMapHelper : NSObject
- + (HYBBaiduMapHelper *)shared;
- ///
- /// 该方法在appdelegate的调用,在应用启动时,请求授权百度地图
- - (BOOL)startWithAppKey:(NSString *)appKey;
- ///
- /// 下面的几个方法是定位使用
- - (void)locateInView:(UIView *)mapSuerView
- frame:(CGRect)frame
- withCompletion:(HYBUserLocationCompletion)completion;
- - (void)viewWillAppear;
- - (void)viewWillDisappear;
- - (void)viewDidDeallocOrReceiveMemoryWarning;
- ///
- /// 下面的方法是计算两地的距离
- /// 返回距离单位为米
- - (CLLocationDistance)distanceWithStartPoint:(CLLocationCoordinate2D)startPoint
- endPoint:(CLLocationCoordinate2D)endPoint;
- ///
- /// 下面的方法是路线规划获取操作
- /// 注意:不能同时调用下面的这三个方法,必须是先调用完一个,返回结果后,再继续调用别的,否则会覆盖前一个操作的数据
- /// 公交检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- /// 第三个参数,表示在哪个城市里检索
- - (void)transitRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- city:(NSString *)city
- transitPolicy:(BMKTransitPolicy)transitPolicy
- completion:(HYBRouteSearchCompletion)completion;
- /// 驾乘检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- - (void)driveRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- drivePolicy:(BMKDrivingPolicy)drivePolicy
- completion:(HYBRouteSearchCompletion)completion;
- /// 步行检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- - (void)walkRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- completion:(HYBRouteSearchCompletion)completion;
- @end
- //
- // HYBBaiduMapHelper.m
- // BaiduMapDemo
- //
- // Created by 黄仪标 on 14/11/18.
- // Copyright (c) 2014年 黄仪标. All rights reserved.
- //
- #import "HYBBaiduMapHelper.h"
- @interface HYBBaiduMapHelper () <BMKLocationServiceDelegate,
- BMKGeneralDelegate,
- BMKMapViewDelegate,
- BMKRouteSearchDelegate> {
- BMKMapManager *_mapManager;
- HYBUserLocationCompletion _locationCompletion;
- HYBRouteSearchCompletion _routeSearchCompletion;
- BMKMapView *_mapView;
- BMKLocationService *_locationService;
- BMKRouteSearch *_routeSearch;
- }
- @end
- @implementation HYBBaiduMapHelper
- + (HYBBaiduMapHelper *)shared {
- static HYBBaiduMapHelper *baiduMapHelper = nil;
- static dispatch_once_t onceToken = 0;
- dispatch_once(&onceToken, ^{
- if (!baiduMapHelper) {
- baiduMapHelper = [[[self class] alloc] init];
- }
- });
- return baiduMapHelper;
- }
- - (instancetype)init {
- if (self = [super init]) {
- _mapManager = [[BMKMapManager alloc] init];
- }
- return self;
- }
- - (BOOL)startWithAppKey:(NSString *)appKey {
- if (![appKey isKindOfClass:[NSString class]] || appKey.length == 0 || appKey == nil) {
- return NO;
- }
- return [_mapManager start:appKey generalDelegate:self];
- }
- - (void)locateInView:(UIView *)mapSuerView frame:(CGRect)frame withCompletion:(HYBUserLocationCompletion)completion {
- _locationCompletion = [completion copy];
- [_locationService stopUserLocationService];
- _locationService = nil;
- _locationService.delegate = nil;
- _locationService = [[BMKLocationService alloc] init];
- [_locationService startUserLocationService];
- if (_mapView) {
- [_mapView removeFromSuperview];
- _mapView = nil;
- }
- _mapView.delegate = nil;
- _mapView.showsUserLocation = NO;
- _mapView = [[BMKMapView alloc] initWithFrame:frame];
- [mapSuerView addSubview:_mapView];
- _mapView.delegate = self;
- // 先关闭显示的定位图层
- _mapView.showsUserLocation = NO;
- // 设置定位的状态
- _mapView.userTrackingMode = BMKUserTrackingModeNone;
- _mapView.showsUserLocation = YES;
- return;
- }
- - (void)viewWillAppear {
- [_mapView viewWillAppear];
- _mapView.delegate = self;
- _locationService.delegate = self;
- _routeSearch.delegate = self;
- return;
- }
- - (void)viewWillDisappear {
- [_mapView viewWillDisappear];
- _mapView.delegate = nil;
- _locationService.delegate = nil;
- _routeSearch.delegate = nil;
- return;
- }
- - (void)viewDidDeallocOrReceiveMemoryWarning {
- [self viewWillDisappear];
- _mapView.showsUserLocation = NO;
- [_locationService stopUserLocationService];
- [_mapView removeFromSuperview];
- _mapView = nil;
- _locationService = nil;
- _routeSearch.delegate = nil;
- _routeSearch = nil;
- return;
- }
- ///
- /// 计算两点的距离
- - (CLLocationDistance)distanceWithStartPoint:(CLLocationCoordinate2D)startPoint endPoint:(CLLocationCoordinate2D)endPoint {
- BMKMapPoint point1 = BMKMapPointForCoordinate(startPoint);
- BMKMapPoint point2 = BMKMapPointForCoordinate(endPoint);
- CLLocationDistance distance = BMKMetersBetweenMapPoints(point1, point2);
- return distance;
- }
- ///
- /// 下面的方法是路线规划获取操作
- /// 公交检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- /// 第三个参数,表示在哪个城市里检索
- - (void)transitRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- city:(NSString *)city
- transitPolicy:(BMKTransitPolicy)transitPolicy
- completion:(HYBRouteSearchCompletion)completion {
- _routeSearchCompletion = [completion copy];
- if (_routeSearch == nil) {
- _routeSearch = [[BMKRouteSearch alloc] init];
- }
- _routeSearch.delegate = self;
- // 公交检索
- BMKTransitRoutePlanOption *transitRoutePlan = [[BMKTransitRoutePlanOption alloc] init];
- transitRoutePlan.city = city;
- transitRoutePlan.from = startNode;
- transitRoutePlan.to = endNode;
- transitRoutePlan.transitPolicy = transitPolicy;
- if ([_routeSearch transitSearch:transitRoutePlan]) {
- NSLog(@"bus检索发送成功");
- } else {
- NSLog(@"bus检索发送失败");
- }
- return;
- }
- /// 驾乘检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- - (void)driveRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- drivePolicy:(BMKDrivingPolicy)drivePolicy
- completion:(HYBRouteSearchCompletion)completion {
- _routeSearchCompletion = [completion copy];
- if (_routeSearch == nil) {
- _routeSearch = [[BMKRouteSearch alloc] init];
- }
- _routeSearch.delegate = self;
- // 公交检索
- BMKDrivingRoutePlanOption *driveRoutePlan = [[BMKDrivingRoutePlanOption alloc] init];
- driveRoutePlan.from = startNode;
- driveRoutePlan.to = endNode;
- driveRoutePlan.drivingPolicy = drivePolicy;
- if ([_routeSearch drivingSearch:driveRoutePlan]) {
- NSLog(@"drive 检索发送成功");
- } else {
- NSLog(@"drive 检索发送失败");
- }
- return;
- }
- /// 步行检索方法
- /// 前两个参数,分别表示起点和终点的位置名称
- - (void)walkRouteSearchFrom:(BMKPlanNode *)startNode
- to:(BMKPlanNode *)endNode
- completion:(HYBRouteSearchCompletion)completion {
- _routeSearchCompletion = [completion copy];
- if (_routeSearch == nil) {
- _routeSearch = [[BMKRouteSearch alloc] init];
- }
- _routeSearch.delegate = self;
- // 公交检索
- BMKWalkingRoutePlanOption *walkRoutePlan = [[BMKWalkingRoutePlanOption alloc] init];
- walkRoutePlan.from = startNode;
- walkRoutePlan.to = endNode;
- if ([_routeSearch walkingSearch:walkRoutePlan]) {
- NSLog(@"walk 检索发送成功");
- } else {
- NSLog(@"walk 检索发送失败");
- }
- return;
- }
- #pragma mark - BMKGeneralDelegate
- - (void)onGetNetworkState:(int)iError {
- if (0 == iError) {
- NSLog(@"联网成功");
- } else {
- NSLog(@"onGetNetworkState %d",iError);
- }
- return;
- }
- - (void)onGetPermissionState:(int)iError {
- if (0 == iError) {
- NSLog(@"百度地图授权成功");
- } else {
- NSLog(@"onGetPermissionState %d",iError);
- }
- return;
- }
- #pragma mark - BMKLocationServiceDelegate
- /**
- *在将要启动定位时,会调用此函数
- */
- - (void)willStartLocatingUser {
- NSLog(@"location start");
- return;
- }
- /**
- *在停止定位后,会调用此函数
- */
- - (void)didStopLocatingUser {
- NSLog(@"user location stop");
- return;
- }
- /**
- *用户方向更新后,会调用此函数
- *@param userLocation 新的用户位置
- */
- - (void)didUpdateUserHeading:(BMKUserLocation *)userLocation {
- NSLog(@"user derection change");
- [_mapView updateLocationData:userLocation];
- return;
- }
- /**
- *用户位置更新后,会调用此函数
- *@param userLocation 新的用户位置
- */
- - (void)didUpdateUserLocation:(BMKUserLocation *)userLocation {
- NSLog(@"didUpdateUserLocation lat %f,long %f",
- userLocation.location.coordinate.latitude,
- userLocation.location.coordinate.longitude);
- [_mapView updateLocationData:userLocation];
- if (_locationCompletion) {
- _locationCompletion(userLocation);
- }
- [_locationService stopUserLocationService];
- return;
- }
- /**
- *定位失败后,会调用此函数
- *@param error 错误号
- */
- - (void)didFailToLocateUserWithError:(NSError *)error {
- if (_locationCompletion) {
- _locationCompletion(nil);
- }
- [_locationService stopUserLocationService];
- return;
- }
- #pragma mark - BMKRouteSearchDelegate
- - (void)onGetTransitRouteResult:(BMKRouteSearch *)searcher
- result:(BMKTransitRouteResult *)result
- errorCode:(BMKSearchErrorCode)error {
- if (error == BMK_SEARCH_NO_ERROR) { // 检索成功的处理
- for (BMKTransitRouteLine *line in result.routes) {
- NSLog(@"-----------------------------------------------------");
- NSLog(@" 时间:%2d %2d:%2d:%2d 长度: %d米",
- line.duration.dates,
- line.duration.hours,
- line.duration.minutes,
- line.duration.seconds,
- line.distance);
- for (BMKTransitStep *step in line.steps) {
- NSLog(@"%@ %@ %@ %@ %@",
- step.entrace.title,
- step.exit.title,
- step.instruction,
- (step.stepType == BMK_BUSLINE ? @"公交路段" : (step.stepType == BMK_SUBWAY ? @"地铁路段" : @"步行路段")),
- [NSString stringWithFormat:@"名称:%@ 所乘站数:%d 全程价格:%d 区间价格:%d",
- step.vehicleInfo.title,
- step.vehicleInfo.passStationNum,
- step.vehicleInfo.totalPrice,
- step.vehicleInfo.zonePrice]);
- }
- }
- // 打车信息
- NSLog(@"打车信息------------------------------------------");
- NSLog(@"路线打车描述信息:%@ 总路程: %d米 总耗时:约%f分钟 每千米单价:%f元 全程总价:约%d元",
- result.taxiInfo.desc,
- result.taxiInfo.distance,
- result.taxiInfo.duration / 60.0,
- result.taxiInfo.perKMPrice,
- result.taxiInfo.totalPrice);
- } else if (error == BMK_SEARCH_AMBIGUOUS_ROURE_ADDR) { // 检索地址有岐义,可获取推荐地址
- // 获取建议检索起终点
- NSLog(@"无检索结果,返回了建议检索信息");
- NSLog(@"起点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.startPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- NSLog(@"终点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.endPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- } else {
- NSLog(@"无公交检索结果 ");
- }
- // 回调block根据实际需要返回,可修改返回结构
- if (_routeSearchCompletion) {
- _routeSearchCompletion(nil); // 这里只是返回空,这个需要根据实际需要返回
- }
- return;
- }
- - (void)onGetDrivingRouteResult:(BMKRouteSearch *)searcher
- result:(BMKDrivingRouteResult *)result
- errorCode:(BMKSearchErrorCode)error {
- if (error == BMK_SEARCH_NO_ERROR) { // 检索成功的处理
- for (BMKDrivingRouteLine *line in result.routes) {
- NSLog(@"-----------------------------------------------------");
- NSLog(@" 时间:%2d %2d:%2d:%2d 长度: %d米",
- line.duration.dates,
- line.duration.hours,
- line.duration.minutes,
- line.duration.seconds,
- line.distance);
- for (BMKDrivingStep *step in line.steps) {
- NSLog(@"入口:%@ 出口:%@ 路段总体指示信息:%@ 入口信息:%@ 出口信息:%@ 转弯数:%d",
- step.entrace.title,
- step.exit.title,
- step.instruction,
- step.entraceInstruction,
- step.exitInstruction,
- step.numTurns);
- }
- }
- } else if (error == BMK_SEARCH_AMBIGUOUS_ROURE_ADDR) { // 检索地址有岐义,可获取推荐地址
- // 获取建议检索起终点
- NSLog(@"无检索结果,返回了建议检索信息");
- NSLog(@"起点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.startPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- NSLog(@"终点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.endPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- } else {
- NSLog(@"无公交检索结果 ");
- }
- // 回调block根据实际需要返回,可修改返回结构
- if (_routeSearchCompletion) {
- _routeSearchCompletion(nil); // 这里只是返回空,这个需要根据实际需要返回
- }
- return;
- }
- - (void)onGetWalkingRouteResult:(BMKRouteSearch *)searcher
- result:(BMKWalkingRouteResult *)result
- errorCode:(BMKSearchErrorCode)error {
- if (error == BMK_SEARCH_NO_ERROR) { // 检索成功的处理
- for (BMKDrivingRouteLine *line in result.routes) {
- NSLog(@"步行检索结果 :-----------------------------------------------------");
- NSLog(@" 时间:%2d %2d:%2d:%2d 长度: %d米",
- line.duration.dates,
- line.duration.hours,
- line.duration.minutes,
- line.duration.seconds,
- line.distance);
- for (BMKWalkingStep *step in line.steps) {
- NSLog(@"入口:%@ 出口:%@ 路段总体指示信息:%@ 入口信息:%@ 出口信息:%@",
- step.entrace.title,
- step.exit.title,
- step.instruction,
- step.entraceInstruction,
- step.exitInstruction);
- }
- }
- } else if (error == BMK_SEARCH_AMBIGUOUS_ROURE_ADDR) { // 检索地址有岐义,可获取推荐地址
- // 获取建议检索起终点
- NSLog(@"无检索结果,返回了建议检索信息");
- NSLog(@"起点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.startPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- NSLog(@"终点推荐信息:--------------------------------");
- for (BMKPoiInfo *info in result.suggestAddrResult.endPoiList) {
- NSLog(@"POI名称:%@ POI地址:%@ POI所在城市:%@", info.name, info.address, info.city);
- }
- } else {
- NSLog(@"无公交检索结果 ");
- }
- // 回调block根据实际需要返回,可修改返回结构
- if (_routeSearchCompletion) {
- _routeSearchCompletion(nil); // 这里只是返回空,这个需要根据实际需要返回
- }
- return;
- }
- @end
下面就是测试一个我们的数据是否真的拿到了:
- //
- // RootViewController.m
- // BaiduMapDemo
- //
- // Created by 黄仪标 on 14/11/18.
- // Copyright (c) 2014年 黄仪标. All rights reserved.
- //
- #import "RootViewController.h"
- #import "HYBBaiduMapHelper.h"
- #import "BMapKit.h"
- @interface RootViewController ()
- @end
- @implementation RootViewController
- - (void)viewDidLoad {
- [super viewDidLoad];
- // 功能1、定位
- [[HYBBaiduMapHelper shared] locateInView:self.view frame:self.view.bounds withCompletion:^(BMKUserLocation *userLocation) {
- NSLog(@"%f %f", userLocation.location.coordinate.latitude, userLocation.location.coordinate.longitude);
- }];
- // 功能2:”计算距离
- CLLocationDistance distance = [[HYBBaiduMapHelper shared] distanceWithStartPoint:CLLocationCoordinate2DMake(39.915,116.404)
- endPoint:CLLocationCoordinate2DMake(38.915,115.404)];
- NSLog(@"distance = %fm", distance);
- // 功能3:公交检索
- BMKPlanNode *startNode = [[BMKPlanNode alloc] init];
- startNode.name = @"梆子井";
- startNode.cityName = @"北京";
- BMKPlanNode *endNode = [[BMKPlanNode alloc] init];
- endNode.name = @"金长安大厦";
- endNode.cityName = @"北京";
- // 功能3:公交检索
- [[HYBBaiduMapHelper shared] transitRouteSearchFrom:startNode to:endNode city:@"北京" transitPolicy:BMK_TRANSIT_TRANSFER_FIRST completion:^(BMKTransitRouteResult *result) {
- // 功能4:驾乘检索
- [[HYBBaiduMapHelper shared] driveRouteSearchFrom:startNode to:endNode drivePolicy:BMK_DRIVING_TIME_FIRST completion:^(BMKTransitRouteResult *result) {
- // 功能5:步行检索
- [[HYBBaiduMapHelper shared] walkRouteSearchFrom:startNode to:endNode completion:^(BMKTransitRouteResult *result) {
- ;
- }];
- }];
- }];
- return;
- }
- - (void)viewWillAppear:(BOOL)animated {
- [super viewWillAppear:animated];
- [[HYBBaiduMapHelper shared] viewWillAppear];
- return;
- }
- - (void)viewWillDisappear:(BOOL)animated {
- [super viewWillDisappear:animated];
- [[HYBBaiduMapHelper shared] viewWillDisappear];
- return;
- }
- - (void)didReceiveMemoryWarning {
- [super didReceiveMemoryWarning];
- [[HYBBaiduMapHelper shared] viewDidDeallocOrReceiveMemoryWarning];
- return;
- }
- - (void)dealloc {
- [[HYBBaiduMapHelper shared] viewDidDeallocOrReceiveMemoryWarning];
- return;
- }
- @end
想要深入研究的同学,可以去官网看官方提供的Demo,
如果想在我的demo之上进一步追加或者修改功能,可以下载本demo。
来源:http://blog.csdn.net/woaifen3344/article/details/41284495