Ios 实例成员';图像';不能用于类型';UIImageView';
如何修复此错误?这段代码有效吗?还是我走错了方向 实例化类时,需要使用初始值设定项Ios 实例成员';图像';不能用于类型';UIImageView';,ios,swift,Ios,Swift,如何修复此错误?这段代码有效吗?还是我走错了方向 实例化类时,需要使用初始值设定项 var imageView = UIImageView.self let locationManager = CLLocationManager() let region = CLBeaconRegion(proximityUUID: UUID(uuidString: "B9407F30-F5F8-466E-AFF9-25556B57FE6D")!, identifier: "Estimotes") let
var imageView = UIImageView.self
let locationManager = CLLocationManager()
let region = CLBeaconRegion(proximityUUID: UUID(uuidString: "B9407F30-F5F8-466E-AFF9-25556B57FE6D")!, identifier: "Estimotes")
let images = [
53219: UIImage(named:"White Glyph 2"),
59317: UIImage(named:"White Glyph 3"),
17068: UIImage(named:"White Glyph 4")
]
func locationManager(_ manager: CLLocationManager, didRangeBeacons beacons: [CLBeacon], in region: CLBeaconRegion) {
let knownBeacons = beacons.filter{ $0.proximity != CLProximity.unknown }
if (knownBeacons.count > 0) {
let closestBeacon = knownBeacons[0] as CLBeacon
self.imageView.image = self.images[closestBeacon.minor.intValue] // error gets thrown on this line
}
}
UIImageView.self是类类型,UIImageView()是初始化UIImageView。使用var-imageView=UIImageView()或脚本或xib中的IBOutlet,变量
var-imageView=UIImageView。self
不是UIImageView as对象,而是UIImageView as类
// var imageView = UIImageView.self
var imageView = UIImageView()
//...
func locationManager(_ manager: CLLocationManager, didRangeBeacons beacons: [CLBeacon], in region: CLBeaconRegion) {
//...
//self.imageView.image = self.images[closestBeacon.minor.intValue]
self.imageView.image = self.images[closestBeacon.minor.intValue]!
//...
}