シングルレイヤをクリック
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:mapbox="http://schemas.android.com/apk/res-auto"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"> <com.mapbox.mapboxsdk.maps.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"mapbox:mapbox_cameraTargetLat="50.503887"mapbox:mapbox_cameraTargetLng="4.46993599"mapbox:mapbox_cameraZoom="5" /> </LinearLayout>
ClickOnLayerActivity.java
package com.mapbox.mapboxandroiddemo.examples.query; import android.graphics.PointF;import android.graphics.RectF;import android.os.Bundle;import android.widget.Toast; import com.mapbox.geojson.Feature;import com.mapbox.mapboxandroiddemo.R;import com.mapbox.mapboxsdk.Mapbox;import com.mapbox.mapboxsdk.geometry.LatLng;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.util.List; import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import timber.log.Timber; import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillOpacity; /*** Detect click events on a polygon that was added as a GeoJsonSource.*/public class ClickOnLayerActivity extends AppCompatActivity implements OnMapReadyCallback,MapboxMap.OnMapClickListener { private MapView mapView;private MapboxMap mapboxMap;private static final String geoJsonSourceId = "geoJsonData";private static final String geoJsonLayerId = "polygonFillLayer"; @Overrideprotected 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_click_on_layer); Toast.makeText(ClickOnLayerActivity.this, R.string.click_on_polygon_toast_instruction,Toast.LENGTH_SHORT).show(); mapView = findViewById(R.id.mapView);mapView.onCreate(savedInstanceState);mapView.getMapAsync(this);} @Overridepublic void onMapReady(@NonNull final MapboxMap mapboxMap) {ClickOnLayerActivity.this.mapboxMap = mapboxMap;mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {mapboxMap.addOnMapClickListener(ClickOnLayerActivity.this);addGeoJsonSourceToMap(style); // Create FillLayer with GeoJSON source and add the FillLayer to the mapif (style != null) {style.addLayer(new FillLayer(geoJsonLayerId, geoJsonSourceId).withProperties(fillOpacity(0.5f)));}}});} @Overridepublic boolean onMapClick(@NonNull LatLng point) {PointF pointf = mapboxMap.getProjection().toScreenLocation(point);RectF rectF = new RectF(pointf.x - 10, pointf.y - 10, pointf.x + 10, pointf.y + 10);List<Feature> featureList = mapboxMap.queryRenderedFeatures(rectF, geoJsonLayerId);if (featureList.size() > 0) {for (Feature feature : featureList) {Timber.d("Feature found with %1$s", feature.toJson());Toast.makeText(ClickOnLayerActivity.this, R.string.click_on_polygon_toast,Toast.LENGTH_SHORT).show();}return true;}return false;} private void addGeoJsonSourceToMap(@NonNull Style loadedMapStyle) {try {// Add GeoJsonSource to maploadedMapStyle.addSource(new GeoJsonSource(geoJsonSourceId, new URI("https://gist.githubusercontent"+ ".com/tobrun/cf0d689c8187d42ebe62757f6d0cf137/raw/4d8ac3c8333f1517df9d303"+ "d58f20f4a1d8841e8/regions.geojson")));} catch (Throwable throwable) {Timber.e("Couldn't add GeoJsonSource to map - %s", throwable);}} @Overridepublic void onResume() {super.onResume();mapView.onResume();} @Overrideprotected void onStart() {super.onStart();mapView.onStart();} @Overrideprotected void onStop() {super.onStop();mapView.onStop();} @Overridepublic void onPause() {super.onPause();mapView.onPause();} @Overridepublic void onLowMemory() {super.onLowMemory();mapView.onLowMemory();} @Overrideprotected void onDestroy() {super.onDestroy();if (mapboxMap != null) {mapboxMap.removeOnMapClickListener(this);}mapView.onDestroy();} @Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);mapView.onSaveInstanceState(outState);}}