已达到纹理图集最大数量，无法为 iconView 分配更多

Question

我的问题与使用Google Maps“达到纹理图集的最大数量，无法分配更多”完全一样，但我使用的是Gif图像，所以我正在使用标记的iconView

而不是图标。这是代码：

let markerGifView = UIImageView(image: UIImage.gifImageWithName("name-of-gif"))
markerGifView.frame = CGRect(x: 0, y: 0, width: 100, height: 142)

for i in 0..<latValues.count {
   var marker:  GMSMarker?
   let position = CLLocationCoordinate2D(latitude: latValues[i], longitude: lonValues[i])
   marker = GMSMarker(position: position)

   marker?.userData = data
   marker?.map = self.mapView
   marker?.iconView = self.markerGifView
}

为了提供 Gif 支持，我使用了这个：

https://gist.github.com/thechaudharysab/b4f9884dcff20c3b8aeb5b4c1fd1756e

当我滚动地图时，运行应用程序几秒钟后会出现此错误。

((null)) was false: 达到纹理图集最大数量，不能 分配更多。

Answer 1

这是根据我的评论建议的解决方案

func addMarkers() {

    let currentMarkers = itemsMarkers
    var markersToDelete = itemsMarkers
    
    var markerIcons: [String: UIImage] = [:]
    markerIcons = getMarkerIcons(items: items)
    
    itemsMarkers = []
    items?.enumerated().forEach { (offset, item) in
        guard let position = item.coordinate else { return }

        if let marker = currentMarkers.first(where: { ($0.userData as? MyItem)?.id == item.id }) {
            var key = item.properties.imageRef
            if item.hasFailure {
                key += "-fail"
            } else {
                key += "-ok"
            }
            marker.icon = markerIcons[key]
            marker.title = item.name
            marker.userData = item
            marker.position = position
            markersToDelete.removeAll(where: { ($0.userData as? MyItem)?.id == item.id })
            itemMarkers.append(marker)
        } else {
            let marker = GMSMarker(position: position)
            var key = item.properties.imageRef
            if item.hasFailure {
                key += "-fail"
            } else {
                key += "-ok"
            }
            marker.icon = markerIcons[key]
            marker.title = item.name
            marker.userData = item
            marker.zIndex = Int32(offset)
            marker.map = mapView
            itemMarkers.append(marker)
        }
    }
    markersToDelete.forEach {
        $0.map = nil
    }
}

private func getMarkerIcons(items: [MyItem]?) -> [String: UIImage] {
    
    var markerIcons: [String: UIImage] = [:]
    
    guard let items else { return markerIcons }
    
    items.forEach { item in
        var key = item.properties.imageRef
        if item.hasFailure {
            key += "-fail"
        } else {
            key += "-ok"
        }
        
        if markerIcons[key] == nil {
            let markerView = ItemMarkerView.fromNib
            markerView.item = item
            markerIcons[key] = markerView.asImage()
        }
    }
    
    return markerIcons
}