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Added Swift 3 Examples #35
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| Mapbox.framework | ||
| Examples.xcodeproj/project.xcworkspace/ | ||
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| .DS_Store | ||
| xcuserdata/ | ||
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| @end | ||
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| // | ||
| // AnnotationViewExample.swift | ||
| // Examples | ||
| // | ||
| // Created by Jason Wray on 6/23/16. | ||
| // Copyright © 2016 Mapbox. All rights reserved. | ||
| // | ||
| #if swift(>=3.0) | ||
| import Mapbox | ||
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| @objc(AnnotationViewExample_Swift) | ||
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| // Example view controller | ||
| class AnnotationViewExample_Swift: UIViewController, MGLMapViewDelegate { | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| exampleType = .Annotation | ||
| print(exampleType) | ||
| let mapView = MGLMapView(frame: view.bounds) | ||
| mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight] | ||
| mapView.styleURL = MGLStyle.darkStyleURL(withVersion: 9) | ||
| mapView.tintColor = .lightGray | ||
| mapView.centerCoordinate = CLLocationCoordinate2DMake(0, 66) | ||
| mapView.zoomLevel = 2 | ||
| mapView.delegate = self | ||
| view.addSubview(mapView) | ||
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| // Specify coordinates for our annotations. | ||
| let coordinates = [ | ||
| CLLocationCoordinate2DMake(0, 33), | ||
| CLLocationCoordinate2DMake(0, 66), | ||
| CLLocationCoordinate2DMake(0, 99), | ||
| ] | ||
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There was a problem hiding this comment. Nit: align the indentation of the closing bracket with |
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| // Fill an array with point annotations and add it to the map. | ||
| var pointAnnotations = [MGLPointAnnotation]() | ||
| for coordinate in coordinates { | ||
| let point = MGLPointAnnotation() | ||
| point.coordinate = coordinate | ||
| point.title = "\(coordinate.latitude), \(coordinate.longitude)" | ||
| pointAnnotations.append(point) | ||
| } | ||
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| mapView.addAnnotations(pointAnnotations) | ||
| } | ||
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| // MARK: - MGLMapViewDelegate methods | ||
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| // This delegate method is where you tell the map to load a view for a specific annotation. To load a static MGLAnnotationImage, you would use `-mapView:imageForAnnotation:`. | ||
| func mapView(_ mapView: MGLMapView, viewFor annotation: MGLAnnotation) -> MGLAnnotationView? { | ||
| // This example is only concerned with point annotations. | ||
| guard annotation is MGLPointAnnotation else { | ||
| return nil | ||
| } | ||
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| // Use the point annotation’s longitude value (as a string) as the reuse identifier for its view. | ||
| let reuseIdentifier = "\(annotation.coordinate.longitude)" | ||
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| // For better performance, always try to reuse existing annotations. | ||
| var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: reuseIdentifier) | ||
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| // If there’s no reusable annotation view available, initialize a new one. | ||
| if annotationView == nil { | ||
| annotationView = CustomAnnotationView(reuseIdentifier: reuseIdentifier) | ||
| annotationView!.frame = CGRect(x: 0, y: 0, width: 40, height: 40) | ||
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| // Set the annotation view’s background color to a value determined by its longitude. | ||
| let hue = CGFloat(annotation.coordinate.longitude) / 100 | ||
| annotationView!.backgroundColor = UIColor(hue: hue, saturation: 0.5, brightness: 1, alpha: 1) | ||
| } | ||
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| return annotationView | ||
| } | ||
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| func mapView(_ mapView: MGLMapView, annotationCanShowCallout annotation: MGLAnnotation) -> Bool { | ||
| return true | ||
| } | ||
| } | ||
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| // | ||
| // MGLAnnotationView subclass | ||
| class CustomAnnotationView: MGLAnnotationView { | ||
| override func layoutSubviews() { | ||
| super.layoutSubviews() | ||
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| // Force the annotation view to maintain a constant size when the map is tilted. | ||
| scalesWithViewingDistance = false | ||
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| // Use CALayer’s corner radius to turn this view into a circle. | ||
| layer.cornerRadius = frame.width / 2 | ||
| layer.borderWidth = 2 | ||
| layer.borderColor = UIColor.white.cgColor | ||
| } | ||
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| override func setSelected(_ selected: Bool, animated: Bool) { | ||
| super.setSelected(selected, animated: animated) | ||
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| // Animate the border width in/out, creating an iris effect. | ||
| let animation = CABasicAnimation(keyPath: "borderWidth") | ||
| animation.duration = 0.1 | ||
| layer.borderWidth = selected ? frame.width / 4 : 2 | ||
| layer.add(animation, forKey: "borderWidth") | ||
| } | ||
| } | ||
| #endif | ||
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Let’s manually go back to the shorter indentation.