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Work with the Standard style

Use the Standard style and modify settings at runtime.
StandardStyleActivity.kt
package com.mapbox.maps.testapp.examples

import android.os.Bundle
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.mapbox.bindgen.Value
import com.mapbox.geojson.LineString
import com.mapbox.geojson.Point
import com.mapbox.maps.CameraOptions
import com.mapbox.maps.MapboxMap
import com.mapbox.maps.extension.style.expressions.dsl.generated.rgb
import com.mapbox.maps.extension.style.layers.generated.lineLayer
import com.mapbox.maps.extension.style.sources.generated.geoJsonSource
import com.mapbox.maps.extension.style.style
import com.mapbox.maps.testapp.databinding.ActivityStandardStyleBinding

/**
* Example of working with style imports and the Standard style.
*/
class StandardStyleActivity : AppCompatActivity() {

private lateinit var mapboxMap: MapboxMap
private val line = LineString.fromLngLats(LINE_COORDINATES)
private var lightSetting: LightPresets = LightPresets.DUSK
private var themeSetting: Theme = Theme.DEFAULT
private var labelsSetting = true
private var show3dObjectsSetting = true
private lateinit var binding: ActivityStandardStyleBinding

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityStandardStyleBinding.inflate(layoutInflater)
mapboxMap = binding.mapView.mapboxMap
setContentView(binding.root)

// Set the camera options to center on New York City
mapboxMap.setCamera(
CameraOptions.Builder()
.center(Point.fromLngLat(LONGITUDE, LATITUDE))
.zoom(11.0)
.pitch(45.0)
.build()
)

// Load a style which imports Mapbox Standard as a basemap
mapboxMap.loadStyle(
style(style = STYLE_URL) {
// Create a new GeoJSON data source of the line's coordinates
+geoJsonSource(id = "line-layer") {
geometry(line)
}
// Create and apply basic styling to the fill layer, assign the layer to the "middle" slot
+lineLayer(layerId = "line-layer", sourceId = "line-layer") {
lineColor(rgb(255.0, 165.0, 0.0))
lineWidth(8.0)
// Order of adding layers matter. This line layer has the same slot as the water layer
// (see [STYLE_URL]) but it will be rendered on top of the water because it's added later.
slot("bottom")
}
}
)
addOnClickListeners()
}

private fun addOnClickListeners() {
binding.fabThemeSetting.setOnClickListener {
mapboxMap.getStyle { style ->
themeSetting = when (themeSetting) {
Theme.DEFAULT -> Theme.FADED
Theme.FADED -> Theme.MONOCHROME
Theme.MONOCHROME -> Theme.DEFAULT
}
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"theme",
themeSetting.value
)
showAction(it, themeSetting.value.toString())
}
}

// When a user clicks the light setting button change the `lightPreset` config property on the Standard style import
binding.fabLightSetting.setOnClickListener {
mapboxMap.getStyle { style ->
lightSetting = when (lightSetting) {
LightPresets.DAY -> LightPresets.DAWN
LightPresets.DAWN -> LightPresets.DUSK
LightPresets.DUSK -> LightPresets.NIGHT
LightPresets.NIGHT -> LightPresets.DAY
}
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"lightPreset",
lightSetting.value
)
showAction(it, lightSetting.value.toString())
}
}

// When a user clicks the labels setting button change the label config properties on the Standard style import to show/hide them
// To identify which configuration properties are available on an imported style you can use `style.getStyleImportSchema()`
binding.fabLabelsSetting.setOnClickListener {
mapboxMap.getStyle { style ->
labelsSetting = !labelsSetting
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"showPlaceLabels",
Value.valueOf(labelsSetting)
)
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"showRoadLabels",
Value.valueOf(labelsSetting)
)
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"showPointInterestLabels",
Value.valueOf(labelsSetting)
)
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"showTransitLabels",
Value.valueOf(labelsSetting)
)
showAction(it, labelsSetting.toString())
}
}
binding.fab3dObjectsSetting.setOnClickListener {
mapboxMap.getStyle { style ->
show3dObjectsSetting = !show3dObjectsSetting
style.setStyleImportConfigProperty(
IMPORT_ID_FOR_STANDARD_STYLE,
"show3dObjects",
Value.valueOf(show3dObjectsSetting)
)
showAction(it, show3dObjectsSetting.toString())
}
}
}

private fun showAction(it: View, value: String) {
Toast.makeText(
this@StandardStyleActivity,
it.contentDescription.toString() + value,
Toast.LENGTH_SHORT
).show()
}

private enum class LightPresets(val value: Value) {
DAY(Value.valueOf("day")),
DAWN(Value.valueOf("dawn")),
DUSK(Value.valueOf("dusk")),
NIGHT(Value.valueOf("night"))
}

private enum class Theme(val value: Value) {
FADED(Value.valueOf("faded")),
MONOCHROME(Value.valueOf("monochrome")),
DEFAULT(Value.valueOf("default"))
}

companion object {
/**
* The ID used in [STYLE_URL] that references the `standard` style.
*/
private const val IMPORT_ID_FOR_STANDARD_STYLE = "standard"
private const val LATITUDE = 40.72
private const val LONGITUDE = -73.99
private const val STYLE_URL = "asset://fragment-realestate-NY.json"

/**
* Boundary line between New York and New Jersey.
*/
private val LINE_COORDINATES = listOf(
Point.fromLngLat(-73.91912400100642, 40.913503418907936),
Point.fromLngLat(-73.9615887363045, 40.82943110786286),
Point.fromLngLat(-74.01409059085539, 40.75461056309348),
Point.fromLngLat(-74.02798814058939, 40.69522028220487),
Point.fromLngLat(-74.05655532615407, 40.65188756398558),
Point.fromLngLat(-74.13916853846217, 40.64339339389301)
)
}
}
この{Type}は役に立ちましたか?