场景：场馆地址允许用户直接点击导航按钮开始导航，省去了让用户手动点开地图app和输入地址的操作。
实现方式：
点击“导航”按钮后，进入地图页面，此页面使用的是苹果自带的地图，打开页面后，在终点地址上显示一个小气泡，并添加一个导航按钮，点击地图页面的导航按钮，跳转到地图app开始导航。
地图页使用苹果地图，就不需要引入其它第三方的库，不会增加app的包大小。
导航时用户可以选择跳转到自己常用的地图app，不仅减小了开发的成本，用户的使用成本也会降低。
代码如下：
// DJMapViewController.h
@interface DJMapViewController
//终点标注标题
@property (nonatomic, strong) NSString *annotationTitle;
//终点标注副标题
@property (nonatomic, strong) NSString *annotationSubTitle;
- (instancetype)initWithLatitude:(CGFloat)latitude longitude:(CGFloat)longitude;
@end
#import <MapKit/MapKit.h>
@interface DJMapViewController () <MKMapViewDelegate>
@property (nonatomic, assign) CGFloat latitude;
@property (nonatomic, assign) CGFloat longitude;
@property (nonatomic, strong) MKMapView *mapView;
@property (nonatomic, assign) CLLocationCoordinate2D destCoordinate;
@end
@implementation DJMapViewController
- (instancetype)initWithLatitude:(CGFloat)latitude longitude:(CGFloat)longitude {
if (self = [super init]) {
self.latitude = latitude;
self.longitude = longitude;
self.destCoordinate = CLLocationCoordinate2DMake(self.latitude, self.longitude);
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
[self openMap];
[self createTitleView];
}
- (void)createTitleView {
UIView *headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, WindowWidth, 64.0f)];
[self.view addSubview:headerView];
UIView *lineView = [SAUtility getLineWithFrame:CGRectMake(0, 63.5, WindowWidth, 0.5)];
[headerView addSubview:lineView];
CGRect leftItemRect = CGRectMake(0, APP_STATUSBAR_HEIGHT, APP_NAVIBAR_HEIGHT, APP_NAVIBAR_HEIGHT);
UIButton* leftItem = [[UIButton alloc] initWithFrame:leftItemRect];
[leftItem setImage:[UIImage imageNamed:IA_BackButton_thin_ImageName] forState:UIControlStateNormal];
[leftItem addTarget:self action:@selector(leftButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
[headerView addSubview:leftItem];
UILabel *titleLabel=[SAUtility getNavigationTitle:@"导航" isMainPage:NO];
[headerView addSubview:titleLabel];
}
- (void)openMap {
//[MKMapItem openMapsWithItems:items launchOptions:options];
self.mapView = [[MKMapView alloc] initWithFrame:CGRectMake(0, 64, WindowWidth, WindowHeight)];
self.mapView.mapType = MKMapTypeStandard;
self.mapView.delegate = self;
self.mapView.showsUserLocation = YES;
[self.view addSubview:self.mapView];
[self addActivityOnSuperView:self.view withFrame:CGRectMake(0, 64, WindowWidth, WindowHeight-64)];
//设置地图显示范围
[self.mapView setRegion:MKCoordinateRegionMakeWithDistance(CLLocationCoordinate2DMake(self.latitude, self.longitude), 5000, 5000) animated:YES];
}
- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation {
if ([annotation isKindOfClass:[MKUserLocation class]])
return nil;
if ([annotation isKindOfClass:[MKPointAnnotation class]]) {
// Try to dequeue an existing pin view first.（这里跟UITableView的重用差不多）
MKPinAnnotationView *customPinView = (MKPinAnnotationView*)[mapView
dequeueReusableAnnotationViewWithIdentifier:@"CustomPinAnnotationView"];
if (!customPinView){
// If an existing pin view was not available, create one.
customPinView = [[MKPinAnnotationView alloc] initWithAnnotation:annotation
reuseIdentifier:@"CustomPinAnnotationView"];
}
//iOS9中用pinTintColor代替了pinColor
if ([SAUtility isSystemLaterThan:9.0]) {
customPinView.pinTintColor = UIColorFromRGB(0x69BB0E);
} else {
customPinView.pinColor = MKPinAnnotationColorGreen;
}
customPinView.animatesDrop = YES;
customPinView.canShowCallout = YES;
UIButton *rightButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 80, 50)];
rightButton.backgroundColor = UIColorFromRGB(0x69BB0E);
[rightButton setTitle:@"导航" forState:UIControlStateNormal];
[rightButton addTarget:self action:@selector(navigateButtonPressed) forControlEvents:UIControlEventTouchUpInside];
customPinView.rightCalloutAccessoryView = rightButton;
return customPinView;
}
return nil;
}
- (void)mapViewWillStartLoadingMap:(MKMapView *)mapView {
}
- (void)mapViewDidFinishLoadingMap:(MKMapView *)mapView {
[self removeActivityView];
//设置标注
if (self.annotationTitle && self.annotationTitle.length > 0) {
MKPointAnnotation *annotation = [[MKPointAnnotation alloc] init];
[annotation setCoordinate:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
[annotation setTitle:self.annotationTitle];
[annotation setSubtitle:self.annotationSubTitle];
[self.mapView addAnnotation:annotation];
[mapView selectAnnotation:annotation animated:YES];
}
}
- (void)leftButtonPressed:(UIButton *)sender {
[self.navigationController popViewControllerAnimated:YES];
}
- (void)navigateButtonPressed {
UIAlertController * alertController = [UIAlertController alertControllerWithTitle:@"请选择地图" message:nil preferredStyle:UIAlertControllerStyleActionSheet];
//自带地图
[alertController addAction:[UIAlertAction actionWithTitle:@"使用苹果自带地图导航" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
//使用自带地图导航
MKMapItem *currentLocation =[MKMapItem mapItemForCurrentLocation];
MKMapItem *toLocation = [[MKMapItem alloc] initWithPlacemark:[[MKPlacemark alloc] initWithCoordinate:self.destCoordinate addressDictionary:nil]];
[MKMapItem openMapsWithItems:@[currentLocation,toLocation] launchOptions:@{MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeDriving,
MKLaunchOptionsShowsTrafficKey:[NSNumber numberWithBool:YES]}];
}]];
//判断是否安装了高德地图，如果安装了高德地图，则使用高德地图导航
if ( [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"iosamap://"]]) {
[alertController addAction:[UIAlertAction actionWithTitle:@"使用高德地图导航" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
NSString *urlsting =[[NSString stringWithFormat:@"iosamap://path?sourceApplication=applicationName&sid=BGVIS1&sname=我的位置&did=BGVIS2&dlat=%lf&dlon=%lf&dname=%@&dev=0&m=0&t=%@",self.latitude,self.longitude,self.annotationTitle,@"0"]stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[[UIApplication sharedApplication]openURL:[NSURL URLWithString:urlsting]];
}]];
}
//判断是否安装了百度地图，如果安装了百度地图，则使用百度地图导航
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"baidumap://"]]) {
[alertController addAction:[UIAlertAction actionWithTitle:@"使用百度地图导航" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
NSString *urlsting =[[NSString stringWithFormat:@"baidumap://map/direction?origin={{我的位置}}&destination=latlng:%f,%f|name=目的地&mode=driving&coord_type=gcj02",self.latitude,self.longitude] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlsting]];
}]];
}
//添加取消选项
[alertController addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
[alertController dismissViewControllerAnimated:YES completion:nil];
}]];
//显示alertController
[self presentViewController:alertController animated:YES completion:nil];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
