1.阅读百度地图官方文档
2.配置调用百度地图的环境
3.实现地图的调用
4.下面的代码主要实现了传入省市，能定位到选择的省市区域 ，可设置蒙版，然后点击地图上的一个建筑物能拿到点击的地理位置。
5.得到的就是选择的地址。
NSString *address = [NSString stringWithFormat:@"%@%@",self.addressText,self.addressText1];
代码
// 百度地图
// 要使用百度地图，请先启动BaiduMapManager
_mapManager = [[BMKMapManager alloc]init];
// 如果要关注网络及授权验证事件，请设定 generalDelegate参数
BOOL ret = [_mapManager start:BaiduAppKey generalDelegate:nil];
if (!ret) {
NSLog(@"manager start failed!");
}
@interface LogingMapViewController ()
{
BMKLocationService * _locService;
}
@property (nonatomic,strong)NSString *cityText;//传入地图的省
@property (nonatomic,strong)NSString *provinceText;//传入地图的市
@property (nonatomic, strong) BMKMapView *mapView; // 地图
@property (nonatomic, strong) BMKLocationService *locService; // 位置
@property (nonatomic, strong) BMKDistrictSearch *districtSearch; // 检索
@property (nonatomic, strong) BMKPointAnnotation *pointAnnotation;
@property (nonatomic, strong) BMKReverseGeoCodeOption *reGeo;
@property (nonatomic, strong) BMKGeoCodeSearch *searchAddress;
-(void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[_mapView viewWillAppear];
_mapView.delegate = self;
_districtSearch.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;
_districtSearch.delegate = nil; // 不用时，置nil
}
#pragma mark ****************百度地图相关****************```
- (void)setupMapView
{
/* 地图 */
_mapView = [[BMKMapView alloc]initWithFrame:CGRectMake(20 *kScale, 230 *kScale, 710 *kScale, 784 *kScale)];
[self.view addSubview:_mapView];
// _mapView.mapType = BMKMapTypeNone;
_mapView.showMapScaleBar = YES;//显示比例尺
_mapView.zoomLevel=17;//地图显示的级别
/* 检索 */
//适配ios7
if( ([[[UIDevice currentDevice] systemVersion] doubleValue]>=7.0)) {
// self.edgesForExtendedLayout=UIRectEdgeNone;
self.navigationController.navigationBar.translucent = NO;
}
_districtSearch = [[BMKDistrictSearch alloc] init];
/* 位置 */
_locService = [[BMKLocationService alloc]init];
_locService.delegate = self;
_searchAddress = [[BMKGeoCodeSearch alloc] init];
_searchAddress.delegate = self;
}
/**
*用户位置更新后，会调用此函数
*@param userLocation 新的用户位置
*/
- (void)didUpdateBMKUserLocation:(BMKUserLocation *)userLocation{
BMKCoordinateRegion region;
region.center.latitude = userLocation.location.coordinate.latitude;
region.center.longitude = userLocation.location.coordinate.longitude;
region.span.latitudeDelta = 0;
region.span.longitudeDelta = 0;
JMLog(@"当前的坐标是:%f,%f",userLocation.location.coordinate.latitude,userLocation.location.coordinate.longitude);
[_mapView updateLocationData:userLocation];
[_locService stopUserLocationService];//取消定位 这个一定要写，不然无法移动定位了
_mapView.centerCoordinate = userLocation.location.coordinate;
JMLog(@" _mapView.centerCoordinate------%f-----%f", _mapView.centerCoordinate.latitude, _mapView.centerCoordinate.longitude);
if (_messageView == nil && _locationView == nil) {
}
}
/** ==================================标注======================================== **/
/**
*点中底图空白处会回调此接口
*@param mapView 地图View
*@param coordinate 空白处坐标点的经纬度
*/
-(void)mapView:(BMKMapView *)mapView onClickedMapBlank:(CLLocationCoordinate2D)coordinate
{
NSLog(@"onClickedMapBlank-latitude==%f,longitude==%f",coordinate.latitude,coordinate.longitude);
NSString* showmeg = [NSString stringWithFormat:@"您点击了地图空白处(blank click).\r\n当前经度:%f,当前纬度:%f,\r\nZoomLevel=%d;RotateAngle=%d;OverlookAngle=%d", coordinate.longitude,coordinate.latitude,(int)_mapView.zoomLevel,_mapView.rotation,_mapView.overlooking];
// 点击之前删除所有标注
NSArray * arrAnimation = [[NSArray alloc] initWithArray:_mapView.annotations];
[_mapView removeAnnotations:arrAnimation];
// 取消编辑
// [_cityTF resignFirstResponder];
// [_provinceTF resignFirstResponder];
// 添加标注
[self addPointAnnotation:coordinate];
}
/**
* 点击地图上面建筑物标记事件,有建筑物的位置点击事件
*/
-(void)mapView:(BMKMapView *)mapView onClickedMapPoi:(BMKMapPoi *)mapPoi
{
self.addressText1 = mapPoi.text;
JMLog(@"点击onClickedMapPoi---%@",mapPoi.text);
CLLocationCoordinate2D coordinate = mapPoi.pt;
// 点击之前删除所有标注
NSArray * arrAnimation = [[NSArray alloc] initWithArray:_mapView.annotations];
[_mapView removeAnnotations:arrAnimation];
//添加标注
[self addPointAnnotation:coordinate];
}
#pragma mark 添加标注
-(void)addPointAnnotation:(CLLocationCoordinate2D)coordinate
{
// 添加一个PointAnnotation
_pointAnnotation = [[BMKPointAnnotation alloc]init];
CLLocationCoordinate2D coor;
coor.latitude = coordinate.latitude;
coor.longitude = coordinate.longitude;
_pointAnnotation.coordinate = coor;
_pointAnnotation.title = @"地址:";
[_mapView addAnnotation:_pointAnnotation];
///反geo检索信息类
_reGeo = [[BMKReverseGeoCodeOption alloc]init];
_reGeo.reverseGeoPoint = coor;
[_searchAddress reverseGeoCode:_reGeo];
BOOL flag = [_searchAddress reverseGeoCode:_reGeo];
if (!flag) {
NSLog(@"search failed!");
}
}
/** ==================================检索======================================== **/
#pragma mark ************点击检索***************
- (void)clickdistrictSearch
{
[self.view endEditing:YES];
BMKDistrictSearchOption *option = [[BMKDistrictSearchOption alloc] init];
// 传入检索条件 省市text
option.city = _provinceText;
option.district = _cityText;
BOOL flag = [_districtSearch districtSearch:option];
if (flag) {
NSLog(@"district检索发送成功");
} else {
NSLog(@"district检索发送失败");
}
}
/**
*返回行政区域搜索结果
*@param searcher 搜索对象
*@param result 搜索结BMKDistrictSearch果
*@param error 错误号，@see BMKSearchErrorCode
*/
- (void)onGetDistrictResult:(BMKDistrictSearch *)searcher result:(BMKDistrictResult *)result errorCode:(BMKSearchErrorCode)error {
NSLog(@"onGetDistrictResult error: %d", error);
NSArray *overlayArray = [NSArray arrayWithArray:_mapView.overlays];
[_mapView removeOverlays:overlayArray];
if (error == BMK_SEARCH_NO_ERROR) {
NSLog(@"\nname:%@\ncode:%d\ncenter latlon:%lf,%lf", result.name, (int)result.code, result.center.latitude, result.center.longitude);
BOOL flag = YES;
for (NSString *path in result.paths) {
BMKPolygon* polygon = [self transferPathStringToPolygon:path];
if (polygon) {
[_mapView addOverlay:polygon]; // 添加overlay
if (flag) {
[self mapViewFitPolygon:polygon];
flag = NO;
}
}
}
}
}
#pragma mark - ***********设置选中地的蒙版*********** 可注释掉
//- (BMKOverlayView*)mapView:(BMKMapView *)map viewForOverlay:(id)overlay
//{
// if ([overlay isKindOfClass:[BMKPolygon class]]) {
// BMKPolygonView *polygonView = [[BMKPolygonView alloc] initWithOverlay:overlay];
// polygonView.strokeColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:0.6];
// polygonView.fillColor = [UIColor colorWithRed:1 green:1 blue:0 alpha:0.4];
// polygonView.lineWidth = 1;
// polygonView.lineDash = YES;
// return polygonView;
// }
// return nil;
//}
//根据polygone设置地图范围
- (void)mapViewFitPolygon:(BMKPolygon *) polygon {
CGFloat leftTopX, leftTopY, rightBottomX, rightBottomY;
if (polygon.pointCount < 1) {
return;
}
BMKMapPoint pt = polygon.points[0];
// 左上角顶点
leftTopX = pt.x;
leftTopY = pt.y;
// 右下角顶点
rightBottomX = pt.x;
rightBottomY = pt.y;
for (int i = 1; i < polygon.pointCount; i++) {
BMKMapPoint pt = polygon.points[i];
leftTopX = pt.x < leftTopX ? pt.x : leftTopX;
leftTopY = pt.y < leftTopY ? pt.y : leftTopY;
rightBottomX = pt.x > rightBottomX ? pt.x : rightBottomX;
rightBottomY = pt.y > rightBottomY ? pt.y : rightBottomY;
}
BMKMapRect rect;
rect.origin = BMKMapPointMake(leftTopX, leftTopY);
rect.size = BMKMapSizeMake(rightBottomX - leftTopX, rightBottomY - leftTopY);
UIEdgeInsets padding = UIEdgeInsetsMake(30, 0, 100, 0);
BMKMapRect fitRect = [_mapView mapRectThatFits:rect edgePadding:padding];
[_mapView setVisibleMapRect:fitRect];
}
- (BMKPolygon*)transferPathStringToPolygon:(NSString*) path {
if (path == nil || path.length < 1) {
return nil;
}
NSArray *pts = [path componentsSeparatedByString:@";"];
if (pts == nil || pts.count < 1) {
return nil;
}
BMKMapPoint *points = new BMKMapPoint[pts.count];
NSInteger index = 0;
for (NSString *ptStr in pts) {
if (ptStr && [ptStr rangeOfString:@","].location != NSNotFound) {
NSRange range = [ptStr rangeOfString:@","];
NSString *xStr = [ptStr substringWithRange:NSMakeRange(0, range.location)];
NSString *yStr = [ptStr substringWithRange:NSMakeRange(range.location + range.length, ptStr.length - range.location - range.length)];
if (xStr && xStr.length > 0 && [xStr respondsToSelector:@selector(doubleValue)]
&& yStr && yStr.length > 0 && [yStr respondsToSelector:@selector(doubleValue)]) {
points[index] = BMKMapPointMake(xStr.doubleValue, yStr.doubleValue);
index++;
}
}
}
BMKPolygon *polygon = nil;
if (index > 0) {
polygon = [BMKPolygon polygonWithPoints:points count:index];
}
delete [] points;
return polygon;
}
/** ==================================街道======================================== **/
#pragma mark 根据经纬度返回点击的位置的名称
-(void)onGetReverseGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKReverseGeoCodeResult *)result errorCode:(BMKSearchErrorCode)error
{
// 得到点击的位置
JMLog(@"%@",result.address);
self.addressText = result.address;
_pointAnnotation.subtitle = result.address;
// UIAlertController * alert = [UIAlertController alertControllerWithTitle:result.address message:nil preferredStyle:UIAlertControllerStyleAlert];
// UIAlertAction * action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleCancel handler:nil];
// [alert addAction:action];
// [self presentViewController:alert animated:YES completion:nil];
}
#pragma mark 店家annotation弹出的泡泡时，调用
-(void)mapView:(BMKMapView *)mapView annotationViewForBubble:(BMKAnnotationView *)view
{
NSLog(@"点击泡泡");
}