iOS 11 MapKit Annotation Clustering

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iOS 11 MapKit Annotation Clustering ᪴襊妿涢藳 by @denkeni

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With Clustering1 Looks cleaner2. 2 App Store: CafeFreelance - ૡ֢߅珹記 1 https://github.com/Nandalu/NDLAnnotationClustering

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With 2 types of Clustering Overlapping looks not so good...

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iOS 11 Annotation Clustering IS OUT!!!

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clusteringIdentifier3 An identifier that determines whether the annotation view participates in clustering. var clusteringIdentifier: String? { get set } The default value of this property is nil, which prevents the annotation view from being clustered with other annotation views. Setting the property to a non nil value it to participate in clustering. 3 Documentation > MapKit > MKAnnotationView > clusteringIdentifier

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final class AnnotaionView : MKMarkerAnnotationView { override init(annotation: MKAnnotation?, reuseIdentifier: String?) { super.init(annotation: annotation, reuseIdentifier: reuseIdentifier) clusteringIdentifier = "AnnotaionView" } } DID NOT WORK (But seems to work now, at latest version)

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Working code4 final class AnnotaionView : MKMarkerAnnotationView { override var annotation: MKAnnotation? { willSet { clusteringIdentifier = "AnnotaionView" } } } 4 What's New in MapKit, WWDC 2017 - Session 237

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On iOS 11.1 Crash rdar://35381219

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On iOS 11.2 Crash rdar://36131654

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Summary: — Use MapKit Annotation Clustering on iOS 11.3 or later — Question, or help5? 5 https://github.com/Nandalu/Housing