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SwiftUI - Standard style import

Import Mapbox Standard style into your custom style.

StandardStyleImportExample.swift
import SwiftUI
@_spi(Experimental) import MapboxMaps
@available(iOS 14.0, *)
struct StandardStyleImportExample: View {
@State private var lightPreset: StandardLightPreset = .night
@State private var showLabels = true
@State private var priceAlertMessage: String?
@State private var panelHeight: CGFloat = 0
var style: MapStyle {
let styleURI = StyleURI(url: styleURL)!
return MapStyle(
uri: styleURI,
importConfigurations: [
// The 'fragment-realestate-NY.json' style imports standard style with "standard" import id.
// Here we specify import config to that style.
.standard(
importId: "standard",
lightPreset: lightPreset,
showPointOfInterestLabels: showLabels,
showTransitLabels: showLabels,
showPlaceLabels: showLabels,
showRoadLabels: showLabels)
]
)
}
var body: some View {
Map(initialViewport: .camera(center: .init(latitude: 40.72, longitude: -73.99), zoom: 11, pitch: 45))
.mapStyle(style)
.onLayerTapGesture("NY-hotels-price") { queriedFeature, _ in
// Show house price by tap to the 'NY-hotels-price' layer defined in 'fragment-realestate-NY.json' style.
// The QueriedFeature represents the rendered GeoJSON feature that was tapped.
guard let price = queriedFeature.feature.properties?["price"],
case .number(let priceNum) = price else { return true }
priceAlertMessage = "Price: $\(String(format: "%.2f", priceNum))"
return true
}
.additionalSafeAreaInsets(.bottom, panelHeight)
.ignoresSafeArea()
.safeOverlay(alignment: .bottom) {
settingsPanel.onChangeOfSize { panelHeight = $0.height }
}
.simpleAlert(message: $priceAlertMessage)
}
@ViewBuilder
var settingsPanel: some View {
VStack(alignment: .leading) {
HStack {
Text("Light")
Picker("Light preset", selection: $lightPreset) {
Text("Dawn").tag(StandardLightPreset.dawn)
Text("Day").tag(StandardLightPreset.day)
Text("Dusk").tag(StandardLightPreset.dusk)
Text("Night").tag(StandardLightPreset.night)
}.pickerStyle(.segmented)
}
Toggle("Labels", isOn: $showLabels)
}
.padding(10)
.floating(RoundedRectangle(cornerRadius: 10))
}
}
private let styleURL = Bundle.main.url(forResource: "fragment-realestate-NY", withExtension: "json")!
@available(iOS 14.0, *)
struct StandardStyleImportExample_Previews: PreviewProvider {
static var previews: some View {
StandardStyleImportExample()
}
}
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