我正在使用swiftui,我想显示指南针按钮。我的代码的地图部分来自于本教程:https://www.morningswiftui.com/blog/build-mapview-app-with-swiftui
我查看了示例代码以在地图上显示指南针,但是我找不到能够使用swiftui代码工作的示例。
实际上是显示指南针,但仅当您尝试转动地图时才显示。如果您想一直查看指南针按钮,可以在makeUIView
func:
struct RootMapView: View {
var body: some View {
MapView()
}
}
struct MapView: UIViewRepresentable {
func makeUIView(context: Context) -> MKMapView {
let map = MKMapView()
map.showsCompass = false // hides current compass, which shows only on map turning
let compassBtn = MKCompassButton(mapView: map)
compassBtn.frame.origin = CGPoint(x: 20, y: 20) // you may use GeometryReader to replace it's position
compassBtn.compassVisibility = .visible // compass will always be on map
map.addSubview(compassBtn)
return map
}
func updateUIView(_ uiView: MKMapView, context: Context) {
}
}