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Ornaments

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Update margins of ornaments when the map rotates.
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.

OrnamentMarginActivity.kt
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package com.mapbox.maps.testapp.examples

import android.os.Bundle
import android.view.Gravity
import androidx.appcompat.app.AppCompatActivity
import com.mapbox.android.gestures.RotateGestureDetector
import com.mapbox.geojson.Point
import com.mapbox.maps.CameraOptions
import com.mapbox.maps.MapView
import com.mapbox.maps.plugin.attribution.attribution
import com.mapbox.maps.plugin.compass.compass
import com.mapbox.maps.plugin.gestures.OnRotateListener
import com.mapbox.maps.plugin.gestures.addOnRotateListener
import com.mapbox.maps.plugin.logo.logo
import com.mapbox.maps.plugin.scalebar.scalebar

/**
 * Test activity to validate correct margin displacement of ornaments when the map rotates.
 */
class OrnamentMarginActivity : AppCompatActivity(), OnRotateListener {

  private lateinit var mapView: MapView

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    mapView = MapView(this)
    setContentView(mapView)
    with(mapView.mapboxMap) {
      mapView.attribution.position = Gravity.END or Gravity.BOTTOM
      setCamera(
        CameraOptions.Builder()
          .center(Point.fromLngLat(23.760833, 61.498056))
          .zoom(14.0)
          .build()
      )
      addOnRotateListener(this@OrnamentMarginActivity)
    }
  }

  override fun onRotate(detector: RotateGestureDetector) {
    val bearing = mapView.mapboxMap.cameraState.bearing.toFloat()
    val margin = 2f * if (bearing <= 180f) bearing else 180f - (bearing % 180f)
    with(mapView.logo) {
      marginLeft = margin
      marginBottom = margin
      marginRight = margin
      marginTop = margin
    }
    with(mapView.attribution) {
      marginLeft = margin
      marginBottom = margin
      marginRight = margin
      marginTop = margin
    }
    with(mapView.scalebar) {
      marginLeft = margin
      marginBottom = margin
      marginRight = margin
      marginTop = margin
    }
    with(mapView.compass) {
      marginLeft = margin
      marginBottom = margin
      marginRight = margin
      marginTop = margin
    }
  }

  override fun onRotateEnd(detector: RotateGestureDetector) {
  }

  override fun onRotateBegin(detector: RotateGestureDetector) {
  }
}
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