高德地图---线路规划查询/正向地理编码/地图覆盖物
本来想用高德地图的V3.0.0版本的搜索做天气搜索的，但是一直配置不好开发环境，最后就在原来工程里面使用V2.6.0的版本的地图做了这个简单的线路规划查询的例子。
基本功能：输入起点和终点 地图显示出绿色的驾车路线。
首先上效果图，都是真机iPhone4S的截图。
直接贴上工程源码，代码的注释还比较详细。需要注意的就是线路的折线对象和大头针对象在新添加之前需要先移除。怎么操作，在代码里面都有了。
工程源码下载--请点击我。
#import "ViewController.h"
#import <MAMapKit/MAMapKit.h>
#import <AMapSearchKit/AMapSearchAPI.h>
#define APIKEY @"你的APIKEY"
@interface ViewController ()<MAMapViewDelegate,UISearchBarDelegate,AMapSearchDelegate>
@property (nonatomic,strong)MAMapView *mapView;
@property (nonatomic,strong)AMapSearchAPI *NaviSearch;
@property (nonatomic,strong)AMapSearchAPI *GeoSearch;
@property (nonatomic,strong)AMapGeoPoint *originPoint; //搜索的起点
@property (nonatomic,strong)AMapGeoPoint *destinationPoint; //搜索的终点
@property (nonatomic,strong)NSString *originAddress; //起点
@property (nonatomic,strong)NSString *destinationAddress; //终点
@property (nonatomic,strong)NSMutableArray *annotationArr; //大头针数组
@property (nonatomic,strong)MAPolyline *currentPolyline; //当前的导航线路
@property (nonatomic,strong)UISearchBar *searchBar1;
@property (nonatomic,strong)UISearchBar *searchBar2;
@property (nonatomic,assign)BOOL isOrigin;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
//初始化大头针数组
self.annotationArr = [NSMutableArray array];
//给destinationPoint增加一个KVO
[self addObserver:self forKeyPath:@"destinationPoint" options:NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld context:nil];
[self setMySearchConterl];
[self set2DMapView];
// Do any additional setup after loading the view, typically from a nib.
}
/**
* 设置2D地图显示
*/
- (void)set2DMapView{
[MAMapServices sharedServices].apiKey = APIKEY;
self.mapView = [[MAMapView alloc] init];
self.mapView.frame = CGRectMake(0, 108, 320, self.view.frame.size.height - 108);
self.mapView.delegate = self;
self.mapView.showsUserLocation = YES;
self.mapView.userTrackingMode = MAUserTrackingModeFollow;
[self.view addSubview:self.mapView];
}
/**
* 2D地图显示回调方法
*
* @param mapView mapView description
* @param userLocation userLocation description
* @param updatingLocation updatingLocation description
*/
- (void)mapView:(MAMapView *)mapView didUpdateUserLocation:(MAUserLocation *)userLocation updatingLocation:(BOOL)updatingLocation{
if (updatingLocation) {
CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(userLocation.coordinate.latitude, userLocation.coordinate.longitude);
//设置的当前位置 为地图中心
self.mapView.centerCoordinate = coordinate;
}
}
/**
* 设置大头针点击后的气泡
*
* @param mapView mapView
* @param annotation annotation
*
* @return 气泡
*/
- (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id<MAAnnotation>)annotation{
// if ([annotation isKindOfClass:[MAAnnotationView class]]) {
static NSString *identify = @"annotation";
//在原有的大头针中添加自定义的修饰
MAPinAnnotationView *pointAnnotation = (MAPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:identify];
if (pointAnnotation == nil) {
//在原有的大头针中创建一个新的自定义的大头针
pointAnnotation = [[MAPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:identify];
}
//设置是否能选中的标题
pointAnnotation.canShowCallout = YES;
//是否允许拖拽
pointAnnotation.draggable = YES;
//是否允许退拽动画
pointAnnotation.animatesDrop = YES;
return pointAnnotation;
}
#pragma mark - 驾车导航搜索部分
/**
* 设置导航搜索
*/
- (void)setMapNaviSearchWithOrigin:(AMapGeoPoint *)originPoint destination:(AMapGeoPoint *)destinationPoint{
self.NaviSearch = [[AMapSearchAPI alloc] initWithSearchKey:APIKEY Delegate:self];
//设置一个搜索请求
AMapNavigationSearchRequest *naviRequest = [[AMapNavigationSearchRequest alloc] init];
//设置搜索类型 驾车导航搜索
naviRequest.searchType = AMapSearchType_NaviDrive;
//设置导航的起点
naviRequest.origin = [AMapGeoPoint locationWithLatitude:originPoint.latitude longitude:originPoint.longitude];
//设置导航的终点
naviRequest.destination = [AMapGeoPoint locationWithLatitude:destinationPoint.latitude longitude:destinationPoint.longitude];
//发起导航请求
[self.NaviSearch AMapNavigationSearch:naviRequest];
}
/**
* 导航请求回调方法
* 在地图线路上增加一层绿色覆盖物
* @param request 请求头
* @param response 请求结果
*/
- (void)onNavigationSearchDone:(AMapNavigationSearchRequest *)request response:(AMapNavigationSearchResponse *)response{
if (response.route == nil) {
return;
}
NSMutableArray *rounArr = [[NSMutableArray alloc] init];
AMapRoute *ro = response.route;
AMapPath *pa = (AMapPath *)ro.paths[0];
for (AMapStep *step in pa.steps) {
NSArray *arr = [step.polyline componentsSeparatedByString:@";"];
for (NSString *ss in arr) {
[rounArr addObject:ss];
}
}
//先移除 上一次的折线对象
[self.mapView removeOverlay:self.currentPolyline];
//构造折线数据对象
CLLocationCoordinate2D commonPolylineCoords[rounArr.count];
for (int i = 0; i < rounArr.count; i ++) {
NSString *ss = rounArr[i];
NSArray *a = [ss componentsSeparatedByString:@","];
commonPolylineCoords[i].latitude = ((NSString *)a[1]).floatValue;
commonPolylineCoords[i].longitude = ((NSString *)a[0]).floatValue;
}
//构造折线对象
MAPolyline *commonPolyline = [MAPolyline polylineWithCoordinates:commonPolylineCoords count:rounArr.count];
//重新给折线对象赋值
self.currentPolyline = commonPolyline;
//在地图上添加折线对象
[self.mapView addOverlay:commonPolyline];
}
/**
* 设置折线样式
*
* @param mapView mapView
* @param overlay overlay
*
* @return 折线样式
*/
- (MAOverlayView *)mapView:(MAMapView *)mapView viewForOverlay:(id<MAOverlay>)overlay{
if ([overlay isKindOfClass:[MAPolyline class]]) {
MAPolylineView *po = [[MAPolylineView alloc] initWithPolyline:overlay];
//设置线宽
po.lineWidth = 8.f;
//设置线的颜色
po.strokeColor = [UIColor greenColor];
return po;
}
return nil;
}
#pragma mark - 正向地理编码部分
/**
* 设置正向地理编码
*/
- (void)setMapGeoSearch:(NSString *)address{
self.GeoSearch = [[AMapSearchAPI alloc] initWithSearchKey:APIKEY Delegate:self];
AMapGeocodeSearchRequest *geoRequest = [[AMapGeocodeSearchRequest alloc] init];
geoRequest.searchType = AMapSearchType_Geocode;
geoRequest.address = address;
geoRequest.city = @[@"guangzhou"];
[self.GeoSearch AMapGeocodeSearch:geoRequest];
}
- (void)onGeocodeSearchDone:(AMapGeocodeSearchRequest *)request response:(AMapGeocodeSearchResponse *)response{
if (response.count == 0) {
return;
}
if (self.isOrigin == YES) {
AMapGeocode *p = (AMapGeocode *)response.geocodes[0];
self.originPoint = p.location;
self.originAddress = request.address;
NSLog(@"originPoint = %@",self.originPoint);
}
else{
AMapGeocode *p = (AMapGeocode *)response.geocodes[0];
self.destinationPoint = p.location;
self.destinationAddress = request.address;
NSLog(@"destinationPoint = %@",self.destinationPoint);
}
}
#pragma mark - searchBar部分
/**
* 设置searchBar
*/
- (void)setMySearchConterl{
//起点搜索栏
self.searchBar1 = [[UISearchBar alloc] init];
self.searchBar1.frame = CGRectMake(0, 20, self.view.frame.size.width, 44);
self.searchBar1.delegate = self;
self.searchBar1.tag = 100;
self.searchBar1.placeholder = @"请输入起点";
[self.view addSubview:self.searchBar1];
//终点搜索栏
self.searchBar2 = [[UISearchBar alloc] init];
self.searchBar2.frame = CGRectMake(0, 64, self.view.frame.size.width, 44);
self.searchBar2.delegate = self;
self.searchBar2.tag = 101;
self.searchBar2.placeholder = @"请输入终点";
[self.view addSubview:self.searchBar2];
}
- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar{
return YES;
}
/**
* 设置左边的“取消”按钮
*
* @param searchBar searchBar
*/
- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{
// self.searchBar1.showsCancelButton = YES;
searchBar.showsCancelButton = YES;
for (id cc in [searchBar.subviews[0] subviews]) {
if ([cc isKindOfClass:[UIButton class]]) {
UIButton * cancelButton = (UIButton *)cc;
[cancelButton setTitle:@"取消" forState:UIControlStateNormal];
}
}
}// called when text starts editing
- (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar{
return YES;
}// return NO to not resign first responder
- (BOOL)searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text NS_AVAILABLE_IOS(3_0){
return YES;
}// called before text changes
/**
* 键盘搜索按钮按下就会调用这个方法
*
* @param searchBar searchBar本身
*/
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{
// NSLog(@"text = %@",searchBar.text);
//发起地理编码搜索请求
if (searchBar.tag == 100) {
[self setMapGeoSearch:searchBar.text]; //发起起点搜索
self.isOrigin = YES; //是起点
}
if (searchBar.tag == 101) {
[self setMapGeoSearch:searchBar.text]; //发起终点搜索
self.isOrigin = NO;
}
//收起键盘
[searchBar resignFirstResponder];
}// called when keyboard search button pressed
/**
* “取消”按钮按下会调用这个方法
* 收起键盘
* @param searchBar searchBar本身
*/
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar{
[searchBar resignFirstResponder];
searchBar.showsCancelButton = NO;
}// called when cancel button pressed
/**
* KVO键值监听回调方法
* 终点不一样就发起搜索
* @param keyPath keyPath description
* @param object object description
* @param change change description
* @param context context description
*/
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context{
//发起驾车导航搜索
[self setMapNaviSearchWithOrigin:self.originPoint destination:self.destinationPoint];
//添加大头针之前先移除上一次添加的大头针
[self.mapView removeAnnotations:self.annotationArr];
[self.annotationArr removeAllObjects];
//添加终点大头针
MAPointAnnotation *destinationAnnotation = [[MAPointAnnotation alloc] init];
CLLocationCoordinate2D destinationCoordinate = CLLocationCoordinate2DMake(self.destinationPoint.latitude, self.destinationPoint.longitude);
destinationAnnotation.coordinate = destinationCoordinate;
destinationAnnotation.title = @"终点";
destinationAnnotation.subtitle = self.destinationAddress;
[self.annotationArr addObject:destinationAnnotation];
[self.mapView addAnnotation:destinationAnnotation];
//添加起点大头针
MAPointAnnotation *originAnnotation = [[MAPointAnnotation alloc] init];
CLLocationCoordinate2D originCoordinate = CLLocationCoordinate2DMake(self.originPoint.latitude, self.originPoint.longitude);
originAnnotation.coordinate = originCoordinate;
originAnnotation.title = @"起点";
originAnnotation.subtitle = self.originAddress;
[self.annotationArr addObject:originAnnotation];
[self.mapView addAnnotation:originAnnotation];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
代码基本就是这样的了。