Raw Source/Layer
Android Examples App Available
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RawSourceLayerActivity.kt
package com.mapbox.maps.testapp.examples
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.mapbox.bindgen.Value
import com.mapbox.geojson.Point
import com.mapbox.maps.CameraOptions
import com.mapbox.maps.MapView
import com.mapbox.maps.Style
/**
* Example showcasing raw source/layer json conversion support through the Value API.
*
* Source:
* ```
* {
* "type": "geojson",
* "data": {
* "type": "Feature",
* "geometry": {
* "type": "Point",
* "coordinates": [-77.032667, 38.913175]
* },
* "properties": {
* "title": "Mapbox DC",
* "marker-symbol": "monument"
* }
* }
* }
* ```
*
* Layer:
* ```
* {
* "id": "custom",
* "type": "circle",
* "source": "source",
* "source-layer": "",
* "layout": {},
* "paint": {
* "circle-radius": 20,
* "circle-color": "#FF3300",
* "circle-pitch-alignment": "map"
* }
* }
* ```
*/
class RawSourceLayerActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val mapView = MapView(this)
setContentView(mapView)
mapView.mapboxMap.apply {
setCamera(
CameraOptions.Builder()
.center(Point.fromLngLat(-77.032667, 38.913175))
.zoom(16.0)
.build()
)
loadStyle(Style.STANDARD) { addGeoJsonSource(it) }
}
}
private fun addGeoJsonSource(style: Style) {
val source = Value.fromJson(
"""
{
"type": "geojson",
"data": {
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [-77.032667, 38.913175]
},
"properties": {
"title": "Mapbox Garage",
"marker-symbol": "monument"
}
}
}
""".trimIndent()
)
if (source.isError) {
throw RuntimeException("Invalid GeoJson:" + source.error)
}
val expected = style.addStyleSource("source", source.value!!)
if (expected.isError) {
throw RuntimeException("Invalid GeoJson:" + expected.error)
}
val layer = Value.fromJson(
"""
{
"id": "custom",
"type": "circle",
"source": "source",
"source-layer": "",
"layout": {},
"paint": {
"circle-radius": 20,
"circle-color": "#FF3300",
"circle-pitch-alignment": "map"
}
}
""".trimIndent()
)
if (layer.isError) {
throw RuntimeException("Invalid GeoJson:" + layer.error)
}
val expectedLayer = style.addStyleLayer(layer.value!!, null)
if (expectedLayer.isError) {
throw RuntimeException("Invalid GeoJson:" + expectedLayer.error)
}
}
}
この{Type}は役に立ちましたか？