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Polygon hole layer below null check #1145

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Jul 23, 2019
Merged

Polygon hole layer below null check #1145

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24 changes: 15 additions & 9 deletions ...oidDemo/src/main/java/com/mapbox/mapboxandroiddemo/examples/dds/PolygonHolesActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,6 @@

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.LineString;
Expand All @@ -19,23 +17,25 @@
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.style.layers.FillLayer;
import com.mapbox.mapboxsdk.style.layers.PropertyFactory;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;

import java.util.ArrayList;
import java.util.List;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import static com.mapbox.mapboxandroiddemo.examples.dds.PolygonHolesActivity.Config.BLUE_COLOR;
import static com.mapbox.mapboxandroiddemo.examples.dds.PolygonHolesActivity.Config.HOLE_COORDINATES;
import static com.mapbox.mapboxandroiddemo.examples.dds.PolygonHolesActivity.Config.POLYGON_COORDINATES;
import static com.mapbox.mapboxandroiddemo.examples.dds.PolygonHolesActivity.Config.RED_COLOR;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;

/**
* Add holes to a polygon drawn on top of the map.
*/
public class PolygonHolesActivity extends AppCompatActivity implements OnMapReadyCallback {
private MapView mapView;
private MapboxMap mapboxMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand All @@ -48,7 +48,9 @@ protected void onCreate(Bundle savedInstanceState) {
// Configure initial map state
MapboxMapOptions mapboxMapOptions = MapboxMapOptions.createFromAttributes(this, null);
mapboxMapOptions
.camera(new CameraPosition.Builder().zoom(13).target(new LatLng(25.255377, 55.3089185))
.camera(new CameraPosition.Builder()
.zoom(13)
.target(new LatLng(25.255377, 55.3089185))
.build())
.attributionTintColor(RED_COLOR)
.compassFadesWhenFacingNorth(true);
Expand All @@ -62,7 +64,6 @@ protected void onCreate(Bundle savedInstanceState) {

@Override
public void onMapReady(final MapboxMap map) {
this.mapboxMap = map;
map.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
Expand All @@ -78,9 +79,14 @@ public void onStyleLoaded(@NonNull Style style) {
style.addSource(new GeoJsonSource("source-id",
Feature.fromGeometry(Polygon.fromOuterInner(outerLineString, innerList))));

style.addLayerBelow(new FillLayer("layer-id", "source-id").withProperties(
PropertyFactory.fillColor(BLUE_COLOR)
), "road-number-shield");
FillLayer polygonFillLayer = new FillLayer("layer-id", "source-id")
.withProperties(fillColor(BLUE_COLOR));

if (style.getLayer("road-number-shield") != null) {
style.addLayerBelow(polygonFillLayer, "road-number-shield");
} else {
style.addLayer(polygonFillLayer);
}
}
});
}
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