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Add a marker symbol

Additional Developer Resources
Add a blue teardrop-shaped marker image to a style and display it on the map using a SymbolLayer.
Android Examples App Available

This example code is part of the Maps SDK for Android Examples App, a working Android project available on GitHub. Android developers are encouraged to run the examples app locally to interact with this example in an emulator and explore other features of the Maps SDK.

See our Run the Maps SDK for Android Examples App tutorial for step-by-step instructions.

AddOneMarkerSymbolActivity.kt
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package com.mapbox.maps.testapp.examples.markersandcallouts

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.ContextCompat
import androidx.core.graphics.drawable.toBitmap
import com.mapbox.geojson.Point
import com.mapbox.maps.CameraOptions
import com.mapbox.maps.MapView
import com.mapbox.maps.Style
import com.mapbox.maps.extension.style.image.image
import com.mapbox.maps.extension.style.layers.generated.symbolLayer
import com.mapbox.maps.extension.style.layers.properties.generated.IconAnchor
import com.mapbox.maps.extension.style.sources.generated.geoJsonSource
import com.mapbox.maps.extension.style.style
import com.mapbox.maps.testapp.R

/**
 * Add a blue teardrop-shaped marker image to a style and display it on the
 * map using a SymbolLayer.
 */
class AddOneMarkerSymbolActivity : AppCompatActivity() {

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    val mapView = MapView(this)
    setContentView(mapView)

    mapView.mapboxMap.also {
      it.setCamera(
        CameraOptions.Builder()
          .center(Point.fromLngLat(LONGITUDE, LATITUDE))
          .zoom(8.0)
          .build()
      )
    }.loadStyle(
      styleExtension = style(Style.STANDARD) {
        // prepare blue marker from resources
        +image(
          BLUE_ICON_ID,
          ContextCompat.getDrawable(this@AddOneMarkerSymbolActivity, R.drawable.ic_blue_marker)!!.toBitmap()
        )
        +geoJsonSource(SOURCE_ID) {
          geometry(Point.fromLngLat(LONGITUDE, LATITUDE))
        }
        +symbolLayer(LAYER_ID, SOURCE_ID) {
          iconImage(BLUE_ICON_ID)
          iconAnchor(IconAnchor.BOTTOM)
        }
      }
    )
  }

  companion object {
    private const val BLUE_ICON_ID = "blue"
    private const val SOURCE_ID = "source_id"
    private const val LAYER_ID = "layer_id"
    private const val LATITUDE = 55.665957
    private const val LONGITUDE = 12.550343
  }
}
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