- (void)viewWillAppear:(BOOL)animated
{[super viewWillAppear:YES];[MAMapServices sharedServices].apiKey = @"a2e716827857a145e86e99ea08cfe15f";_mapView = [[MAMapView alloc] initWithFrame:[UIScreen mainScreen].bounds];_mapView.mapType = MAMapTypeSatellite;// 设置地图样式，卫星_mapView.showTraffic = YES; // 是否打开实时交通路况_mapView.delegate = self;_mapView.logoCenter = CGPointMake(CGRectGetWidth(self.view.bounds)-55, 450);// 设置地图logo的中心点_mapView.showsCompass= YES; // 设置成 NO 表示关闭指南针;YES 表示显示指南针
    _mapView.showsScale = YES; // 设置成 NO 表示不显示比例尺;YES 表示显示比例尺_mapView.scaleOrigin= CGPointMake(_mapView.scaleOrigin.x, 22); // 设置比例尺位置_mapView.compassOrigin= CGPointMake(_mapView.compassOrigin.x, 22); // 设置指南针位置
_mapView.showsUserLocation = YES; // 开启地图定位
    [_mapView setUserTrackingMode:MAUserTrackingModeFollow animated:YES]; // 设置用户跟宗模式

}

MAPointAnnotation *pointAnnotation = [[MAPointAnnotation alloc] init];//初始化标注pointAnnotation.coordinate = CLLocationCoordinate2DMake(39.989631, 116.481018); //设置标注地理坐标pointAnnotation.title = @"方恒国际";//设置标注标题pointAnnotation.subtitle = @"阜通东大街 6 号";//设置标注子标题[_mapView addAnnotation:pointAnnotation];//添加标注

- (MAAnnotationView *)mapView:(MAMapView *)mapView viewForAnnotation:(id<MAAnnotation>)annotation
{if ([annotation isKindOfClass:[MAPointAnnotation class]]) {static NSString *pointReuseIndetifier = @"pointReuseIndetifier";MAPinAnnotationView*annotationView = (MAPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:pointReuseIndetifier];if (annotationView == nil) {annotationView = [[MAPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:pointReuseIndetifier];}annotationView.canShowCallout= YES; //设置气泡可以弹出,默认为 NO
        annotationView.animatesDrop = YES; //设置标注动画显示,默认为 NO
annotationView.draggable = YES; //设置标注可以拖动,默认为 NO annotationView.pinColor = MAPinAnnotationColorPurple;return annotationView;}return nil;}- (void)mapView:(MAMapView *)mapView didUpdateUserLocation:(MAUserLocation *)userLocation{
//    NSLog("latitude : %f,longitude: %f",userLocation.coordinate.latitude,userLocation.coordinate.l ongitude);NSLog(@"latitude : %f,longitude: %f", userLocation.coordinate.latitude,userLocation.coordinate.longitude);}

- (void)viewDidLoad {[super viewDidLoad];_search = [[AMapSearchAPI alloc] initWithSearchKey:@"a2e716827857a145e86e99ea08cfe15f" Delegate:self];  //初始化搜索AMapGeocodeSearchRequest *georequest = [[AMapGeocodeSearchRequest alloc] init]; //构造一个request对象georequest.searchType = AMapSearchType_Geocode; //设置为地理编码样式georequest.address = @"北大"; //地址georequest.city = @[@"北京"];//所在城市[_search AMapGeocodeSearch:georequest]; //发起地理编码// Do any additional setup after loading the view, typically from a nib.
}#pragma mark 地理编码成功的回调
- (void)onGeocodeSearchDone:(AMapGeocodeSearchRequest *)request response:(AMapGeocodeSearchResponse *)response
{if (response.count == 0) {return;}NSString *string = [NSString stringWithFormat:@"%ld", response.count];for (AMapTip *tip in response.geocodes) {//response.geocodes所有跟地址匹配的地点NSLog(@"%@", [NSString stringWithFormat:@"%@", tip.description]);}}

   _search = [[AMapSearchAPI alloc] initWithSearchKey:@"a2e716827857a145e86e99ea08cfe15f" Delegate:self];  //初始化搜索AMapReGeocodeSearchRequest *georequest = [[AMapReGeocodeSearchRequest alloc] init]; //构造一个request对象georequest.searchType = AMapSearchType_ReGeocode; //设置为反地理编码样式georequest.location = [AMapGeoPoint locationWithLatitude:39.000 longitude:116.00];//设置所在地里位置的经纬度georequest.radius = 1000;//搜索半径georequest.requireExtension = YES;// 是否返回扩展信息，默认为 NO[_search AMapGeocodeSearch:georequest]; //发起反地理编码
#pragma mark 反地理编码成功
- (void)onReGeocodeSearchDone:(AMapReGeocodeSearchRequest *)request response:(AMapReGeocodeSearchResponse *)response
{if (response.regeocode != nil) {//处理搜索结果NSString *result = [NSString stringWithFormat:@"%@", response.regeocode];}
}