MapKit基本應(yīng)用

 //創(chuàng)建地圖
    _mapView = [[MKMapView alloc] initWithFrame:self.view.bounds];
    [self.view addSubview:_mapView];
    //設(shè)置地圖類型
    //Standard 標(biāo)準(zhǔn)地圖
    //Satellite 衛(wèi)星地圖
    //Hybrid 混合模式
    _mapView.mapType = MKMapTypeStandard;
    //將地圖定位到指定的位置
    //參數(shù)1：MKCoordinateRegion想要鎖定的位置信息（CLLocationCoordinate2D經(jīng)緯度，MKCoordinateSpan放大系數(shù)）
    [_mapView setRegion:MKCoordinateRegionMake(CLLocationCoordinate2DMake(30.67, 104.06), MKCoordinateSpanMake(0.01, 0.01)) animated:YES];
    //是否可以縮放
    _mapView.zoomEnabled = true;
    //是否可以滾動(dòng)
    _mapView.scrollEnabled = true;
    //是否可以旋轉(zhuǎn)
    _mapView.rotateEnabled = true;
    //是否顯示指南針
    _mapView.showsCompass = true;
    //是否顯示建筑
    _mapView.showsBuildings = true;
    //是否顯示交通
    _mapView.showsTraffic = true;
    //是否顯示比例尺
    _mapView.showsScale = true;
    //不跟蹤用戶的位置
    _mapView.userTrackingMode = MKUserTrackingModeNone;
    //跟蹤用戶位置并在地圖上顯示
    _mapView.userTrackingMode = MKUserTrackingModeFollow;
    //跟蹤用戶的位置并根據(jù)用戶前進(jìn)的方向進(jìn)行旋轉(zhuǎn)
    _mapView.userTrackingMode = MKUserTrackingModeFollowWithHeading;
    //設(shè)置代理
    _mapView.delegate = self;
    
    //創(chuàng)建大頭針大頭針
    MKPointAnnotation * annotation = [[MKPointAnnotation alloc] init];
    //設(shè)置大頭針位置
    annotation.coordinate = CLLocationCoordinate2DMake(30.67, 104.06);
    //設(shè)置大頭針的標(biāo)題
    annotation.title = @"成都";
    annotation.subtitle = @"雙流";
    [_mapView addAnnotation:annotation];
    
   //創(chuàng)建CLGeocoder地理編碼對(duì)象
    CLGeocoder * geocoder = [[CLGeocoder alloc] init];
    //根據(jù)輸入地址進(jìn)行反編碼
    [geocoder geocodeAddressString:@"四川成都青羊區(qū)" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
        //拿到編碼的地址
        _mark1 = [placemarks firstObject];
        _label.text = [NSString stringWithFormat:@"%f", _mark1.location.coordinate.latitude];
    }];
    [geocoder geocodeAddressString:@"四川成都雙流縣" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
        _mark2 = [placemarks firstObject];
        
    }];
    
    //調(diào)用系統(tǒng)的導(dǎo)航
    [self beginNavWithBeginPlacemark:_mark1 andEndPlacemark:_mark2];
    - (void)beginNavWithBeginPlacemark:(CLPlacemark *)beginPlacemark andEndPlacemark:(CLPlacemark *)endPlacemark{
    
    // 創(chuàng)建起點(diǎn):根據(jù) CLPlacemark 地標(biāo)對(duì)象創(chuàng)建 MKPlacemark 地標(biāo)對(duì)象
    MKPlacemark *itemP1 = [[MKPlacemark alloc] initWithPlacemark:beginPlacemark];
    MKMapItem *item1 = [[MKMapItem alloc] initWithPlacemark:itemP1];
    
    // 創(chuàng)建終點(diǎn):根據(jù) CLPlacemark 地標(biāo)對(duì)象創(chuàng)建 MKPlacemark 地標(biāo)對(duì)象
    MKPlacemark *itemP2 = [[MKPlacemark alloc] initWithPlacemark:endPlacemark];
    MKMapItem *item2 = [[MKMapItem alloc] initWithPlacemark:itemP2];
    
    NSDictionary *launchDic = @{
            // 設(shè)置導(dǎo)航模式參數(shù)
            MKLaunchOptionsDirectionsModeKey : MKLaunchOptionsDirectionsModeDriving,
            // 設(shè)置地圖類型
            MKLaunchOptionsMapTypeKey :  @(MKMapTypeHybrid),
            // 設(shè)置是否顯示交通
            MKLaunchOptionsShowsTrafficKey : @(YES),
    };
    // 根據(jù) MKMapItem 數(shù)組 和 啟動(dòng)參數(shù)字典 來(lái)調(diào)用系統(tǒng)地圖進(jìn)行導(dǎo)航
    [MKMapItem openMapsWithItems:@[item1, item2] launchOptions:launchDic];
}