アイコンのないスタイル
<?xml version="1.0" encoding="utf-8"?><FrameLayoutxmlns: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.MissingIconActivity"> <com.mapbox.mapboxsdk.maps.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"mapbox:mapbox_cameraTargetLat="39.6226149"mapbox:mapbox_cameraTargetLng="-8.4155273"mapbox:mapbox_cameraZoom="6"/> </FrameLayout>
MissingIconActivity.java
package com.mapbox.mapboxandroiddemo.examples.styles; 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.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.SymbolLayer;import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;import com.mapbox.mapboxsdk.utils.BitmapUtils; import static com.mapbox.mapboxsdk.style.expressions.Expression.get;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconIgnorePlacement;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textAllowOverlap;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textField;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textIgnorePlacement;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textOffset; /*** Use the {@link MapView#addOnStyleImageMissingListener(MapView.OnStyleImageMissingListener)}* to handle the situation where a SymbolLayer tries using a missing image as an icon. If an icon-image* cannot be found in a map style, a custom image can be provided to the map via* the listener.*/public class MissingIconActivity extends AppCompatActivity { private static final String ICON_SOURCE_ID = "ICON_SOURCE_ID";private static final String ICON_LAYER_ID = "ICON_LAYER_ID";private static final String PROFILE_NAME = "PROFILE_NAME";private static final String CARLOS = "Carlos";private static final String ANTONY = "Antony";private static final String MARIA = "Maria";private static final String LUCIANA = "Luciana";private MapView mapView;private MapboxMap mapboxMap; @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_styles_missing_icon); mapView = findViewById(R.id.mapView);mapView.onCreate(savedInstanceState);mapView.getMapAsync(new OnMapReadyCallback() {@Overridepublic void onMapReady(@NonNull final MapboxMap mapboxMap) { // Add Features which represent the location of each profile photo SymbolLayer iconFeature carlosFeature = Feature.fromGeometry(Point.fromLngLat(-7.9760742,41.2778064));carlosFeature.addStringProperty(PROFILE_NAME, CARLOS); Feature antonyFeature = Feature.fromGeometry(Point.fromLngLat(-8.0639648,37.5445773));antonyFeature.addStringProperty(PROFILE_NAME, ANTONY); Feature mariaFeature = Feature.fromGeometry(Point.fromLngLat(-9.1845703,38.9764924));mariaFeature.addStringProperty(PROFILE_NAME, MARIA); Feature lucianaFeature = Feature.fromGeometry(Point.fromLngLat(-7.5146484,40.2459915));lucianaFeature.addStringProperty(PROFILE_NAME, LUCIANA); // Use a URL to build and add a Style object to the map. Then add a source to the Style.mapboxMap.setStyle(new Style.Builder().fromUri(Style.LIGHT).withSource(new GeoJsonSource(ICON_SOURCE_ID,FeatureCollection.fromFeatures(new Feature[] {carlosFeature,antonyFeature,mariaFeature,lucianaFeature}))),new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {MissingIconActivity.this.mapboxMap = mapboxMap; // Add a SymbolLayer to the style. iconImage is set to a value that will// be used later in the addOnStyleImageMissingListener belowstyle.addLayer(new SymbolLayer(ICON_LAYER_ID, ICON_SOURCE_ID).withProperties(iconImage(get(PROFILE_NAME)),iconIgnorePlacement(true),iconAllowOverlap(true),textField(get(PROFILE_NAME)),textIgnorePlacement(true),textAllowOverlap(true),textOffset(new Float[] {0f, 2f})));}});}}); // Use the listener to match the id with the appropriate person. The correct profile photo is// given to the map during "runtime".mapView.addOnStyleImageMissingListener(new MapView.OnStyleImageMissingListener() {@Overridepublic void onStyleImageMissing(@NonNull String id) {switch (id) {case CARLOS:addImage(id, R.drawable.carlos);break;case ANTONY:addImage(id, R.drawable.antony);break;case MARIA:addImage(id, R.drawable.maria);break;case LUCIANA:addImage(id, R.drawable.luciana);break;default:addImage(id, R.drawable.carlos);break;}}});} private void addImage(String id, int drawableImage) {Style style = mapboxMap.getStyle();if (style != null) {style.addImageAsync(id, BitmapUtils.getBitmapFromDrawable(getResources().getDrawable(drawableImage)));}} // Add the mapView lifecycle to the activity's lifecycle methods@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();mapView.onDestroy();} @Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);mapView.onSaveInstanceState(outState);}}