I am trying to change pin image on the MKMapView in Swift, but unfortunately it don't work. Any Idea what I am doing wrong ? I saw some examples here, but did not worked.
import UIKit
import MapKit
class AlarmMapViewController: UIViewController {
#IBOutlet weak var map: MKMapView!
override func viewDidLoad() {
super.viewDidLoad()
showAlarms()
map.showsUserLocation = true
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
func showAlarms(){
map.region.center.latitude = 49
map.region.center.longitude = 12
map.region.span.latitudeDelta = 1
map.region.span.longitudeDelta = 1
for alarm in Alarms.sharedInstance.alarms {
let location = CLLocationCoordinate2D(
latitude: Double(alarm.latitude),
longitude: Double(alarm.longtitude)
)
let annotation = MKPointAnnotation()
annotation.setCoordinate(location)
annotation.title = alarm.name
annotation.subtitle = alarm.description
mapView(map, viewForAnnotation: annotation).annotation = annotation
map.addAnnotation(annotation)
}
}
#IBAction func zoomIn(sender: AnyObject) {
}
#IBAction func changeMapType(sender: AnyObject) {
}
func mapView(mapView: MKMapView!,
viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
if annotation is MKUserLocation {
//return nil so map view draws "blue dot" for standard user location
return nil
}
let reuseId = "pin"
var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId) as? MKPinAnnotationView
if pinView == nil {
pinView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
pinView!.canShowCallout = true
pinView!.animatesDrop = true
pinView!.image = UIImage(named:"GreenDot")!
}
else {
pinView!.annotation = annotation
}
return pinView
}
}
GreenDot picture is available and used on other places.
Don't forget to set:
map.delegate = self
And make sure your UIViewController implements the MKMapViewDelegate protocol.
If you forget to do this, your implementation of mapView:viewForAnnotation: won't be invoked for your map.
Besides, it looks like pinView!.animatesDrop = true breaks custom images. You'd have to set it to false, or use MKAnnotationView (which doesn't have an animatesDrop property).
See this related question if you want to implement a custom drop animation.
MKPinAnnotationView always use a pin image, can't be everride. You must use MKAnnotationView instead.
Be aware because property animatesDrop it's not a valid MKAnnotationView's property, Rem the line.
Related
The annotation is displayed in my map but I can't add a callout. I am planing to use the callout to change a label.text to the title of the annotation in the same ViewController.
I tried this for example but what am I missing to make it work.
I hope somebody can help me out since this problem I could solve everything with stackoverflow or youtube but I am trying for hours now :(
import UIKit
import MapKit
class ViewController: UIViewController, MKMapViewDelegate {
#IBOutlet weak var map: MKMapView!
override func viewDidLoad() {
map.delegate = self
let cor : CLLocationCoordinate2D = CLLocationCoordinate2D(latitude: 50, longitude: 10)
let region = MKCoordinateRegionMakeWithDistance(cor, 5000, 5000)
self.map.setRegion(region, animated: true)
let annotation = MKPointAnnotation()
annotation.coordinate.latitude = 50
annotation.title = "test"
annotation.subtitle = "hdhsadsa"
annotation.coordinate.longitude = 10
map.addAnnotation(annotation)
}
func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
if annotation is MKUserLocation { return nil }
var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: "identifier") as? MKPinAnnotationView
if annotationView == nil {
annotationView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: "identifier")
annotationView?.canShowCallout = true
annotationView?.rightCalloutAccessoryView = UIButton(type: .infoLight)
} else {
annotationView?.annotation = annotation
}
return annotationView
}
}
I would have to add a button for my particular point of entry , where I click to open the Maps app already passing the coordinates of the selected point. Does anyone know how to do? my code is this. The image is what I would have.
My code:
import Foundation
import UIKit
import MapKit
import CoreLocation
class PuntiVenditaController: UIViewController, MKMapViewDelegate {
#IBOutlet weak var menuButton:UIBarButtonItem!
#IBOutlet weak var mapView: MKMapView!
let regionRadius: CLLocationDistance = 1000
let locationManager = CLLocationManager()
override func viewDidLoad() {
super.viewDidLoad()
if revealViewController() != nil {
menuButton.target = revealViewController()
menuButton.action = "revealToggle:"
view.addGestureRecognizer(self.revealViewController().panGestureRecognizer())
}
locationManager.requestWhenInUseAuthorization()
locationManager.startUpdatingLocation()
let location = CLLocationCoordinate2D(latitude: 41.225891, longitude: 16.291489)
let span = MKCoordinateSpanMake(0.05, 0.05)
let region = MKCoordinateRegion(center: location, span: span)
mapView.setRegion(region, animated: true)
mapView.showsPointsOfInterest = false
mapView.showsUserLocation = true
displayMarkers()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func centerMapOnLocation(location: CLLocation) {
let coordinateRegion = MKCoordinateRegionMakeWithDistance(location.coordinate,
regionRadius * 2.0, regionRadius * 2.0)
mapView.setRegion(coordinateRegion, animated: true)
}
func mapView(mapView: MKMapView!, annotationView view: MKAnnotationView!, calloutAccessoryControlTapped control: UIControl!) {
if control == view.rightCalloutAccessoryView{
println(view.annotation.title) // annotation's title
println(view.annotation.subtitle) // annotation's subttitle
//Perform a segue here to navigate to another viewcontroller
// On tapping the disclosure button you will get here
}
}
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
println("viewForannotation")
if annotation is MKUserLocation {
//return nil
return nil
}
let reuseId = "pin"
var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId) as? MKPinAnnotationView
if pinView == nil {
//println("Pinview was nil")
pinView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
pinView!.canShowCallout = true
pinView!.animatesDrop = true
}
var button = UIButton.buttonWithType(UIButtonType.DetailDisclosure) as! UIButton // button with info sign in it
pinView?.rightCalloutAccessoryView = button
return pinView
}
func displayMarkers() -> Void
{
let annotationView = MKAnnotationView()
// Adding button here wont do anything so remove these two lines
let detailButton: UIButton = UIButton.buttonWithType(UIButtonType.DetailDisclosure) as! UIButton
annotationView.rightCalloutAccessoryView = detailButton
// For adding button we have to use a method named as viewForAnnotation
let annotation = MKPointAnnotation()
let name = "Title"
let latitude = 41.225891
let longitude = 16.291489
annotation.title = name
var markerLatitude: Double = latitude
var markerLongitude: Double = longitude
let location = CLLocationCoordinate2D(latitude: markerLatitude, longitude: markerLongitude)
annotation.coordinate = location
annotation.subtitle = "Subtitle"
mapView.addAnnotation(annotation)
}
}
You can open an URL to open the Maps App at a specific point/address:
https://developer.apple.com/library/ios/featuredarticles/iPhoneURLScheme_Reference/MapLinks/MapLinks.html
But I don't think, you can design a custom marker within the Maps App
I'm new in Swift. I'm trying to have different color pin or custom pin on specific pin. My code works. I've a purple pin, but I want make a difference between them. How can I do it? I think there something to do in MapView delegate method but I didn't find it.
import UIKit
import MapKit
class MapsViewController: UIViewController , MKMapViewDelegate{
var shops: NSArray? {
didSet{
self.loadMaps()
}
}
#IBOutlet weak var map: MKMapView?
override func viewDidLoad() {
super.viewDidLoad()
loadMaps()
self.title = "Carte"
self.map!.delegate = self
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView? {
// simple and inefficient example
let annotationView = MKPinAnnotationView()
annotationView.pinTintColor = UIColor.purpleColor()
return annotationView
}
func loadMaps(){
// navigationController?.navigationBar.topItem!.title = "Carte"
let shopsArray = self.shops! as NSArray
for shop in shopsArray {
let location = CLLocationCoordinate2D(
latitude: shop["lat"] as! Double,
longitude: shop["long"] as! Double
)
let annotation = MKPointAnnotation()
annotation.coordinate = location
annotation.title = shop["name"] as? String
annotation.subtitle = shop["addresse"] as? String
map?.addAnnotation(annotation)
}
// add point
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
}
A better approach is to use a custom annotation class that implements the MKAnnotation protocol (an easy way to do that is to subclass MKPointAnnotation) and add whatever properties are needed to help implement the custom logic.
In the custom class, add a property, say pinColor, which you can use to customize the color of the annotation.
This example subclasses MKPointAnnotation:
import UIKit
import MapKit
class ColorPointAnnotation: MKPointAnnotation {
var pinColor: UIColor
init(pinColor: UIColor) {
self.pinColor = pinColor
super.init()
}
}
Create annotations of type ColorPointAnnotation and set their pinColor:
let annotation = ColorPointAnnotation(pinColor: UIColor.blueColor())
annotation.coordinate = coordinate
annotation.title = "title"
annotation.subtitle = "subtitle"
self.mapView.addAnnotation(annotation)
In viewForAnnotation, use the pinColor property to set the view's pinTintColor:
func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView? {
if annotation is MKUserLocation {
return nil
}
let reuseId = "pin"
var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId) as? MKPinAnnotationView
if pinView == nil {
pinView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
let colorPointAnnotation = annotation as! ColorPointAnnotation
pinView?.pinTintColor = colorPointAnnotation.pinColor
}
else {
pinView?.annotation = annotation
}
return pinView
}
I managed to get a custom icon for a annotation pin in Swift, but now I am still stuck using 2 different images for different annotations. Right now a button adds a annotation to the map. There should be another button that also adds a annotation but with another icon.
Is there a way to use the reuseId for this?
class ViewController: UIViewController, MKMapViewDelegate {
#IBOutlet weak var Map: MKMapView!
#IBAction func btpressed(sender: AnyObject) {
var lat:CLLocationDegrees = 40.748708
var long:CLLocationDegrees = -73.985643
var latDelta:CLLocationDegrees = 0.01
var longDelta:CLLocationDegrees = 0.01
var span:MKCoordinateSpan = MKCoordinateSpanMake(latDelta, longDelta)
var location:CLLocationCoordinate2D = CLLocationCoordinate2DMake(lat, long)
var region:MKCoordinateRegion = MKCoordinateRegionMake(location, span)
Map.setRegion(region, animated: true)
var information = MKPointAnnotation()
information.coordinate = location
information.title = "Test Title!"
information.subtitle = "Subtitle"
Map.addAnnotation(information)
}
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
if !(annotation is MKPointAnnotation) {
return nil
}
let reuseId = "test"
var anView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId)
if anView == nil {
anView = MKAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
anView.image = UIImage(named:"1.png")
anView.canShowCallout = true
}
else {
anView.annotation = annotation
}
return anView
}
In the viewForAnnotation delegate method, set the image based on which annotation the method is being called for.
Be sure to do this after the view is dequeued or created (and not only in the if anView == nil part). Otherwise, annotations that use a dequeued view will show the image of the annotation that used the view previously.
With the basic MKPointAnnotation, one crude way to tell annotations apart is by their title but that's not very flexible.
A better approach is to use a custom annotation class that implements the MKAnnotation protocol (an easy way to do that is to subclass MKPointAnnotation) and add whatever properties are needed to help implement the custom logic.
In the custom class, add a property, say imageName, which you can use to customize the image based on the annotation.
This example subclasses MKPointAnnotation:
class CustomPointAnnotation: MKPointAnnotation {
var imageName: String!
}
Create annotations of type CustomPointAnnotation and set their imageName:
var info1 = CustomPointAnnotation()
info1.coordinate = CLLocationCoordinate2DMake(42, -84)
info1.title = "Info1"
info1.subtitle = "Subtitle"
info1.imageName = "1.png"
var info2 = CustomPointAnnotation()
info2.coordinate = CLLocationCoordinate2DMake(32, -95)
info2.title = "Info2"
info2.subtitle = "Subtitle"
info2.imageName = "2.png"
In viewForAnnotation, use the imageName property to set the view's image:
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
if !(annotation is CustomPointAnnotation) {
return nil
}
let reuseId = "test"
var anView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId)
if anView == nil {
anView = MKAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
anView.canShowCallout = true
}
else {
anView.annotation = annotation
}
//Set annotation-specific properties **AFTER**
//the view is dequeued or created...
let cpa = annotation as CustomPointAnnotation
anView.image = UIImage(named:cpa.imageName)
return anView
}
iOS Swift Code With Help of Anna and Fabian Boulegue:
import UIKit
import MapKit
class ViewController: UIViewController, MKMapViewDelegate {
#IBOutlet weak var mapView: MKMapView!
override func viewDidLoad() {
super.viewDidLoad()
self.mapView.delegate = self
var info1 = CustomPointAnnotation()
info1.coordinate = CLLocationCoordinate2DMake(26.889281, 75.836042)
info1.title = "Info1"
info1.subtitle = "Subtitle"
info1.imageName = "flag.png"
var info2 = CustomPointAnnotation()
info2.coordinate = CLLocationCoordinate2DMake(26.862280, 75.815098)
info2.title = "Info2"
info2.subtitle = "Subtitle"
info2.imageName = "flag.png"
mapView.addAnnotation(info1)
mapView.addAnnotation(info2)
}
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
println("delegate called")
if !(annotation is CustomPointAnnotation) {
return nil
}
let reuseId = "test"
var anView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId)
if anView == nil {
anView = MKAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
anView.canShowCallout = true
}
else {
anView.annotation = annotation
}
//Set annotation-specific properties **AFTER**
//the view is dequeued or created...
let cpa = annotation as CustomPointAnnotation
anView.image = UIImage(named:cpa.imageName)
return anView
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
class CustomPointAnnotation: MKPointAnnotation {
var imageName: String!
}
I have a mapView with a custom annotation. I also added a button to this but is there a way to see on which annotation the button was pressed?
So the post to the console should not only be "Disclosure Pressed!". I would need something like "Disclosure Pressed! info(X).subtitle" to see the user taped info1 or info2.
Here is the code:
import UIKit
import MapKit
class ViewController: UIViewController, MKMapViewDelegate {
#IBOutlet weak var Map: MKMapView!
class CustomPointAnnotation: MKPointAnnotation {
var imageName: String!
}
#IBAction func btpressed(sender: AnyObject) {
}
override func viewDidLoad() {
super.viewDidLoad()
//1
var lat1:CLLocationDegrees = 40.748708
var long1:CLLocationDegrees = -73.985643
var latDelta1:CLLocationDegrees = 0.01
var longDelta1:CLLocationDegrees = 0.01
var span1:MKCoordinateSpan = MKCoordinateSpanMake(latDelta1, longDelta1)
var location1:CLLocationCoordinate2D = CLLocationCoordinate2DMake(lat1, long1)
var region1:MKCoordinateRegion = MKCoordinateRegionMake(location1, span1)
Map.setRegion(region1, animated: true)
var info1 = CustomPointAnnotation()
info1.coordinate = location1
info1.title = "Test Title1!"
info1.subtitle = "Subtitle1"
info1.imageName = "1.png"
Map.addAnnotation(info1)
//2
var lat2:CLLocationDegrees = 41.748708
var long2:CLLocationDegrees = -72.985643
var latDelta2:CLLocationDegrees = 0.01
var longDelta2:CLLocationDegrees = 0.01
var span2:MKCoordinateSpan = MKCoordinateSpanMake(latDelta2, longDelta2)
var location2:CLLocationCoordinate2D = CLLocationCoordinate2DMake(lat2, long2)
var region2:MKCoordinateRegion = MKCoordinateRegionMake(location2, span2)
var info2 = CustomPointAnnotation()
info2.coordinate = location2
info2.title = "Test Title2!"
info2.subtitle = "Subtitle2"
info2.imageName = "2.png"
Map.addAnnotation(info2)
}
func mapView(mapView: MKMapView!, annotationView: MKAnnotationView, calloutAccessoryControlTapped control: UIControl) {
if control == annotationView.rightCalloutAccessoryView {
println("Disclosure Pressed!")
}
}
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView! {
if !(annotation is CustomPointAnnotation) {
return nil
}
let reuseId = "test"
var anView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId)
if anView == nil {
anView = MKAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
anView.canShowCallout = true
anView.rightCalloutAccessoryView = UIButton.buttonWithType(.InfoDark) as UIButton
var imageview = UIImageView(frame: CGRectMake(0, 0, 10, 10))
imageview.image = UIImage(named: "1.png")
anView!.leftCalloutAccessoryView = imageview
} else {
anView.annotation = annotation
}
//Set annotation-specific properties **AFTER**
//the view is dequeued or created...
let cpa = annotation as CustomPointAnnotation
anView.image = UIImage(named:cpa.imageName)
return anView
}
}
I've already tried something like:
if control == annotationView.rightCalloutAccessoryView {
println("Disclosure Pressed!" \(self.subtitle))
}
In the calloutAccessoryControlTapped delegate method, self is not the annotation whose callout accessory view was tapped.
self refers to the instance of the class the method is contained in (i.e. an instance of ViewController). The other issue is that in the println, you put the variable reference outside the quotes instead of inside.
The delegate method gives you a reference to the annotation view: the annotationView argument.
The annotation view contains a reference to the annotation: annotationView.annotation.
However, please note your delegate method declaration differs slightly from the documented one (annotationView argument has a local name view and other arguments are marked as optional with the ! suffix).
It's better to use the documented declaration even though your version will technically still work.
Complete example below also shows how to check if the annotation is one of your custom objects and how to access the custom property:
func mapView(mapView: MKMapView!, annotationView view: MKAnnotationView!,
calloutAccessoryControlTapped control: UIControl!) {
if control == view.rightCalloutAccessoryView {
println("Disclosure Pressed! \(view.annotation.subtitle)")
if let cpa = view.annotation as? CustomPointAnnotation {
println("cpa.imageName = \(cpa.imageName)")
}
}
}
Side note:
Since you've set the leftCalloutAccessoryView to a UIImageView, tapping on it will not call calloutAccessoryControlTapped because it is only called for views that are subclasses of UIControl. UIImageView is not a subclass of UIControl. If you need to detect taps on the left accessory, create a custom UIButton (and set its image) instead of a UIImageView.