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activity_style_geojson_layer_in_stack

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:mapbox="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".examples.styles.GeojsonLayerInStackActivity">
 
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="33.749909"
mapbox:mapbox_cameraTargetLng="-84.381546"
mapbox:mapbox_cameraZoom="8.471903"/>
 
</FrameLayout>

GeojsonLayerInStackActivity.java

package com.mapbox.mapboxandroiddemo.examples.styles;
 
import android.graphics.Color;
import android.os.Bundle;
 
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.style.layers.FillLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
 
import java.net.URI;
import java.net.URISyntaxException;
 
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
 
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillOpacity;
 
/**
* Using the second argument of addLayer, you can add a layer below existing one
*/
public class GeojsonLayerInStackActivity extends AppCompatActivity {
 
private MapView mapView;
 
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 
// Mapbox access token is configured here. This needs to be called either in your application
// object or in the same activity which contains the mapview.
Mapbox.getInstance(this, getString(R.string.access_token));
 
// This contains the MapView in XML and needs to be called after the access token is configured.
setContentView(R.layout.activity_style_geojson_layer_in_stack);
 
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
 
mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
try {
GeoJsonSource urbanAreasSource = new GeoJsonSource("urban-areas",
new URI("https://d2ad6b4ur7yvpq.cloudfront.net/naturalearth-3.3.0/ne_50m_urban_areas.geojson"));
style.addSource(urbanAreasSource);
 
FillLayer urbanArea = new FillLayer("urban-areas-fill", "urban-areas");
 
urbanArea.setProperties(
fillColor(Color.parseColor("#ff0088")),
fillOpacity(0.4f)
);
 
style.addLayerBelow(urbanArea, "water");
} catch (URISyntaxException uriSyntaxException) {
uriSyntaxException.printStackTrace();
}
}
});
}
});
}
 
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
 
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
 
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
}
 
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
 
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
 
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
 
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}