Ios 从CloudKit到MKPointAnnotation的坐标
我在CloudKit中将坐标作为位置数据类型(“Koordinaatit”)。我正试图从这些坐标中绘制MKPointAnnotation来映射,但我不知道如何从数组到注释中获取坐标Ios 从CloudKit到MKPointAnnotation的坐标,ios,mapkit,cloudkit,cllocation,mkpointannotation,Ios,Mapkit,Cloudkit,Cllocation,Mkpointannotation,我在CloudKit中将坐标作为位置数据类型(“Koordinaatit”)。我正试图从这些坐标中绘制MKPointAnnotation来映射,但我不知道如何从数组到注释中获取坐标 var sijainnitArray:[CKRecord] = [] func drawPin(sijainti: Int) { let annotation = MKPointAnnotation() annotation.coordinate = CLLocati
var sijainnitArray:[CKRecord] = []
func drawPin(sijainti: Int) {
let annotation = MKPointAnnotation()
annotation.coordinate = CLLocationCoordinate2D(sijainnitArray[sijainti].Koordinaatit) //XCode shows error: Value of type 'CKRecord' has no memeber 'Koordinaatit'
self.mapView.addAnnotation(annotation)
}
func fetchRecordsFromCloud() {
let cloudContainer = CKContainer.default()
let publicDatabase = cloudContainer.publicCloudDatabase
let predicate = NSPredicate(value: true)
let query = CKQuery(recordType: "Sijainti", predicate: predicate)
publicDatabase.perform(query, inZoneWith: nil, completionHandler: {
(results, error) -> Void in
if error != nil {
print(error)
return
}
if let results = results {
print("Completed the download of locations data")
self.sijainnitArray = results
}
})
}
override func viewDidLoad() {
super.viewDidLoad()
fetchRecordsFromCloud()
let sijainnitLkm = sijainnitArray.count - 1
for i in 0...sijainnitLkm {
drawPin(sijainti: i)
}
}
**ANSWER**
let sijaintilista = self.sijainnitArray[i]
let sijaintiLatLong = sijaintilista.object(forKey: "Koordinaatit") as? CLLocation
let sijaintiLat = sijaintiLatLong?.coordinate.latitude
let sijaintiLon = sijaintiLatLong?.coordinate.longitude
let sourceLocation = CLLocationCoordinate2D(latitude: sijaintiLat!, longitude: sijaintiLon!)
let sourcePlacemark = MKPlacemark(coordinate: sourceLocation, addressDictionary: nil)
if let location = sourcePlacemark.location {
annotation.coordinate = location.coordinate
}
self.mapView.addAnnotation(annotation)
您想在
CKRecord
上使用方法对象(forKey:)
。大概你想用的键是“Koordinaatit”
我以前没用过CloudKit。看起来您可以将CLLocation直接保存到
CKRecord
中的locationManager位置作为CLLocation保存到CloudKit CKRecord,问题是我不知道如何将CLLocation添加到MKPointAnnotation。让location=locations.last!let publicDatabase=CKContainer.default().publicCloudDatabase let record=CKRecord(recordType:“Sijainti”)record.setObject(location,forKey:“Koordinaatit”)publicDatabase.save(record,completionHandler:{(record,error)->Void inOk,因此您需要使用对象(forKey:)
从cloudKit读取记录,然后将其转换为CLLocation
为我的答案添加了解决方案。谢谢。