Create a line layer
A newer version of the Maps SDK is available
This page uses v9.7.1 of the Mapbox Maps SDK. A newer version of the SDK is available. Learn about the latest version, v11.8.0, in the Maps SDK documentation
Note
This example is a part of the Mapbox Android Demo app. You can find the values for all referenced resources in the res directory. For example, see res/values/activity_strings.xml for R.string.* references used in this example. The dependencies can be found here.The examples use View binding.See setup documention if necessary.
activity_style_line_layer
<?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.LineLayerActivity">
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="33.39243835"
mapbox:mapbox_cameraTargetLng="-118.38265415000001"
mapbox:mapbox_cameraZoom="13.448986053466797"/>
</FrameLayout>
LineLayerActivity.java
package com.mapbox.mapboxandroiddemo.examples.styles;
import android.graphics.Color;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import com.mapbox.geojson.Feature;
import com.mapbox.geojson.FeatureCollection;
import com.mapbox.geojson.LineString;
import com.mapbox.geojson.Point;
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.LineLayer;
import com.mapbox.mapboxsdk.style.layers.Property;
import com.mapbox.mapboxsdk.style.layers.PropertyFactory;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import java.util.ArrayList;
import java.util.List;
/**
* Add a GeoJSON line to a map.
*/
public class LineLayerActivity extends AppCompatActivity {
private MapView mapView;
private List<Point> routeCoordinates;
@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_line_layer);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
mapboxMap.setStyle(Style.OUTDOORS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
initRouteCoordinates();
// Create the LineString from the list of coordinates and then make a GeoJSON
// FeatureCollection so we can add the line to our map as a layer.
style.addSource(new GeoJsonSource("line-source",
FeatureCollection.fromFeatures(new Feature[] {Feature.fromGeometry(
LineString.fromLngLats(routeCoordinates)
)})));
// The layer properties for our line. This is where we make the line dotted, set the
// color, etc.
style.addLayer(new LineLayer("linelayer", "line-source").withProperties(
PropertyFactory.lineDasharray(new Float[] {0.01f, 2f}),
PropertyFactory.lineCap(Property.LINE_CAP_ROUND),
PropertyFactory.lineJoin(Property.LINE_JOIN_ROUND),
PropertyFactory.lineWidth(5f),
PropertyFactory.lineColor(Color.parseColor("#e55e5e"))
));
}
});
}
});
}
private void initRouteCoordinates() {
// Create a list to store our line coordinates.
routeCoordinates = new ArrayList<>();
routeCoordinates.add(Point.fromLngLat(-118.39439114221236, 33.397676454651766));
routeCoordinates.add(Point.fromLngLat(-118.39421054012902, 33.39769799454838));
routeCoordinates.add(Point.fromLngLat(-118.39408583869053, 33.39761901490136));
routeCoordinates.add(Point.fromLngLat(-118.39388373635917, 33.397328225582285));
routeCoordinates.add(Point.fromLngLat(-118.39372033447427, 33.39728514560042));
routeCoordinates.add(Point.fromLngLat(-118.3930882271826, 33.39756875508861));
routeCoordinates.add(Point.fromLngLat(-118.3928216241072, 33.39759029501192));
routeCoordinates.add(Point.fromLngLat(-118.39227981785722, 33.397234885594564));
routeCoordinates.add(Point.fromLngLat(-118.392021814881, 33.397005125197666));
routeCoordinates.add(Point.fromLngLat(-118.39090810203379, 33.396814854409186));
routeCoordinates.add(Point.fromLngLat(-118.39040499623022, 33.39696563506828));
routeCoordinates.add(Point.fromLngLat(-118.39005669221234, 33.39703025527067));
routeCoordinates.add(Point.fromLngLat(-118.38953208616074, 33.39691896489222));
routeCoordinates.add(Point.fromLngLat(-118.38906338075398, 33.39695127501678));
routeCoordinates.add(Point.fromLngLat(-118.38891287901787, 33.39686511465794));
routeCoordinates.add(Point.fromLngLat(-118.38898167981154, 33.39671074380141));
routeCoordinates.add(Point.fromLngLat(-118.38984598978178, 33.396064537239404));
routeCoordinates.add(Point.fromLngLat(-118.38983738968255, 33.39582400356976));
routeCoordinates.add(Point.fromLngLat(-118.38955358640874, 33.3955978295119));
routeCoordinates.add(Point.fromLngLat(-118.389041880506, 33.39578092284221));
routeCoordinates.add(Point.fromLngLat(-118.38872797688494, 33.3957916930261));
routeCoordinates.add(Point.fromLngLat(-118.38817327048618, 33.39561218978703));
routeCoordinates.add(Point.fromLngLat(-118.3872530598711, 33.3956265500598));
routeCoordinates.add(Point.fromLngLat(-118.38653065153775, 33.39592811523983));
routeCoordinates.add(Point.fromLngLat(-118.38638444985126, 33.39590657490452));
routeCoordinates.add(Point.fromLngLat(-118.38638874990086, 33.395737842093304));
routeCoordinates.add(Point.fromLngLat(-118.38723155962309, 33.395027006653244));
routeCoordinates.add(Point.fromLngLat(-118.38734766096238, 33.394441819579285));
routeCoordinates.add(Point.fromLngLat(-118.38785936686516, 33.39403972556368));
routeCoordinates.add(Point.fromLngLat(-118.3880743693453, 33.393616088784825));
routeCoordinates.add(Point.fromLngLat(-118.38791956755958, 33.39331092541894));
routeCoordinates.add(Point.fromLngLat(-118.3874852625497, 33.39333964672257));
routeCoordinates.add(Point.fromLngLat(-118.38686605540683, 33.39387816940854));
routeCoordinates.add(Point.fromLngLat(-118.38607484627983, 33.39396792286514));
routeCoordinates.add(Point.fromLngLat(-118.38519763616081, 33.39346171215717));
routeCoordinates.add(Point.fromLngLat(-118.38523203655761, 33.393196040109466));
routeCoordinates.add(Point.fromLngLat(-118.3849955338295, 33.393023711860515));
routeCoordinates.add(Point.fromLngLat(-118.38355931726203, 33.39339708930139));
routeCoordinates.add(Point.fromLngLat(-118.38323251349217, 33.39305243325907));
routeCoordinates.add(Point.fromLngLat(-118.3832583137898, 33.39244928189641));
routeCoordinates.add(Point.fromLngLat(-118.3848751324406, 33.39108499551671));
routeCoordinates.add(Point.fromLngLat(-118.38522773650804, 33.38926830725471));
routeCoordinates.add(Point.fromLngLat(-118.38508153482152, 33.38916777794189));
routeCoordinates.add(Point.fromLngLat(-118.38390332123025, 33.39012280171983));
routeCoordinates.add(Point.fromLngLat(-118.38318091289693, 33.38941192035707));
routeCoordinates.add(Point.fromLngLat(-118.38271650753981, 33.3896129783018));
routeCoordinates.add(Point.fromLngLat(-118.38275090793661, 33.38902416443619));
routeCoordinates.add(Point.fromLngLat(-118.38226930238106, 33.3889451769069));
routeCoordinates.add(Point.fromLngLat(-118.38258750605169, 33.388420985121336));
routeCoordinates.add(Point.fromLngLat(-118.38177049662707, 33.388083490107284));
routeCoordinates.add(Point.fromLngLat(-118.38080728551597, 33.38836353925403));
routeCoordinates.add(Point.fromLngLat(-118.37928506795642, 33.38717870977523));
routeCoordinates.add(Point.fromLngLat(-118.37898406448423, 33.3873079646849));
routeCoordinates.add(Point.fromLngLat(-118.37935386875012, 33.38816247841951));
routeCoordinates.add(Point.fromLngLat(-118.37794345248027, 33.387810620840135));
routeCoordinates.add(Point.fromLngLat(-118.37546662390886, 33.38847843095069));
routeCoordinates.add(Point.fromLngLat(-118.37091717142867, 33.39114243958559));
}
@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);
}
}