Default callout usage | Maps SDK v6 | iOS

A newer version of the Maps SDK is available

This page uses v6.4.1 of the Mapbox Maps SDK. A newer version of the SDK is available. Learn about the latest version, v11.7.0, in the Maps SDK documentation.

If you are interested in using non-default callout features, see the MGLCalloutView and MGLCalloutDelegate protocols for more information about creating customized callouts.

Swift

Objective C

ViewController

github View on GitHub

Swift

Objective C


import Mapbox

class ViewController: UIViewController, MGLMapViewDelegate {
    var mapView: MGLMapView!

    override func viewDidLoad() {
        super.viewDidLoad()

        mapView = MGLMapView(frame: view.bounds)
        mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]

        view.addSubview(mapView)

        // Remember to set the delegate.
        mapView.delegate = self

        addAnnotation()
    }

    func addAnnotation() {
        let annotation = MGLPointAnnotation()
        annotation.coordinate = CLLocationCoordinate2D(latitude: 35.03946, longitude: 135.72956)
        annotation.title = "Kinkaku-ji"
        annotation.subtitle = "\(annotation.coordinate.latitude), \(annotation.coordinate.longitude)"

        mapView.addAnnotation(annotation)

        // Center the map on the annotation.
        mapView.setCenter(annotation.coordinate, zoomLevel: 17, animated: false)

        // Pop-up the callout view.
        mapView.selectAnnotation(annotation, animated: true, completionHandler: nil)
    }

    func mapView(_ mapView: MGLMapView, annotationCanShowCallout annotation: MGLAnnotation) -> Bool {
        return true
    }

    func mapView(_ mapView: MGLMapView, leftCalloutAccessoryViewFor annotation: MGLAnnotation) -> UIView? {
        if (annotation.title! == "Kinkaku-ji") {
            // Callout height is fixed; width expands to fit its content.
            let label = UILabel(frame: CGRect(x: 0, y: 0, width: 60, height: 50))
            label.textAlignment = .right
            label.textColor = UIColor(red: 0.81, green: 0.71, blue: 0.23, alpha: 1)
            label.text = "金閣寺"

            return label
        }

        return nil
    }

    func mapView(_ mapView: MGLMapView, rightCalloutAccessoryViewFor annotation: MGLAnnotation) -> UIView? {
        return UIButton(type: .detailDisclosure)
    }

    func mapView(_ mapView: MGLMapView, annotation: MGLAnnotation, calloutAccessoryControlTapped control: UIControl) {
        // Hide the callout view.
        mapView.deselectAnnotation(annotation, animated: false)

        // Show an alert containing the annotation's details
        let alert = UIAlertController(title: annotation.title!!, message: "A lovely (if touristy) place.", preferredStyle: .alert)
        alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
        self.present(alert, animated: true, completion: nil)

    }
}

ViewController

github View on GitHub

Swift

Objective C


#import "ViewController.h"
@import Mapbox;
@interface ViewController () <MGLMapViewDelegate>
@property MGLMapView *mapView;
@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.mapView = [[MGLMapView alloc] initWithFrame:self.view.bounds];
    self.mapView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    [self.view addSubview:self.mapView];

    // Remember to set the delegate.
    self.mapView.delegate = self;

    [self addAnnotation];
}

- (void)addAnnotation
{
    MGLPointAnnotation *annotation = [[MGLPointAnnotation alloc] init];
    annotation.coordinate = CLLocationCoordinate2DMake(35.03946, 135.72956);
    annotation.title = @"Kinkaku-ji";
    annotation.subtitle = [NSString stringWithFormat:@"%.5f, %.5f", annotation.coordinate.latitude, annotation.coordinate.longitude];

    [self.mapView addAnnotation:annotation];

    // Center the map on the annotation.
    [self.mapView setCenterCoordinate:annotation.coordinate zoomLevel:17 animated:NO];

    // Pop-up the callout view.
    [self.mapView selectAnnotation:annotation animated:YES completionHandler:nil];
}

- (BOOL)mapView:(MGLMapView *)mapView annotationCanShowCallout:(id<MGLAnnotation>)annotation
{
    return true;
}

- (UIView *)mapView:(MGLMapView *)mapView leftCalloutAccessoryViewForAnnotation:(id<MGLAnnotation>)annotation
{
    if ([annotation.title isEqualToString:@"Kinkaku-ji"])
    {
        // Callout height is fixed; width expands to fit its content.
        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 60.f, 50.f)];
        label.textAlignment = NSTextAlignmentRight;
        label.textColor = [UIColor colorWithRed:0.81f green:0.71f blue:0.23f alpha:1.f];
        label.text = @"金閣寺";

        return label;
    }

    return nil;
}

- (UIView *)mapView:(MGLMapView *)mapView rightCalloutAccessoryViewForAnnotation:(id<MGLAnnotation>)annotation
{
    return [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
}

- (void)mapView:(MGLMapView *)mapView annotation:(id<MGLAnnotation>)annotation calloutAccessoryControlTapped:(UIControl *)control
{
    // Hide the callout view.
    [self.mapView deselectAnnotation:annotation animated:NO];
    
    // Show an alert containing the annotation's details
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:annotation.title
                                                                   message:@"A lovely (if touristy) place."
                                                            preferredStyle:UIAlertControllerStyleAlert];
    
    [alert addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:nil]];
    
    [self presentViewController:alert animated:YES completion:nil];

}

@end

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