レイヤーの透明度の変更
<?xml version="1.0" encoding="utf-8"?><androidx.coordinatorlayout.widget.CoordinatorLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:fab="http://schemas.android.com/apk/res-auto"xmlns:mapbox="http://schemas.android.com/apk/res-auto"android:layout_width="match_parent"android:layout_height="match_parent"> <com.mapbox.mapboxsdk.maps.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"mapbox:mapbox_cameraTargetLat="34.0444"mapbox:mapbox_cameraTargetLng="-118.2536"mapbox:mapbox_cameraZoom="15"/> <com.getbase.floatingactionbutton.FloatingActionsMenuandroid:id="@+id/multiple_actions_parent_fab"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="end|bottom"android:layout_margin="16dp"fab:fab_addButtonColorNormal="@color/mapboxRed"fab:fab_addButtonColorPressed="@color/mapboxWhite"fab:fab_addButtonPlusIconColor="@color/mapboxWhite"fab:fab_labelStyle="@style/menu_labels_style"> <com.getbase.floatingactionbutton.FloatingActionButtonandroid:id="@+id/fab_toggle_hotels"android:layout_width="wrap_content"android:layout_height="wrap_content"fab:fab_colorNormal="@color/mapboxBlue"fab:fab_colorPressed="@color/mapboxWhite"fab:fab_size="mini"fab:fab_title="@string/fab_title_hotels"/> <com.getbase.floatingactionbutton.FloatingActionButtonandroid:id="@+id/fab_toggle_parks"android:layout_width="wrap_content"android:layout_height="wrap_content"fab:fab_colorNormal="@color/mapboxGreen"fab:fab_colorPressed="@color/mapboxWhite"fab:fab_size="mini"fab:fab_title="@string/fab_title_parks"/> <com.getbase.floatingactionbutton.FloatingActionButtonandroid:id="@+id/fab_toggle_attractions"android:layout_width="wrap_content"android:layout_height="wrap_content"fab:fab_colorNormal="@color/mapboxRed"fab:fab_colorPressed="@color/mapboxWhite"fab:fab_size="mini"fab:fab_title="@string/fab_title_attractions"/> </com.getbase.floatingactionbutton.FloatingActionsMenu> </androidx.coordinatorlayout.widget.CoordinatorLayout>
PulsingLayerOpacityColorActivity.java
package com.mapbox.mapboxandroiddemo.examples.labs; import android.animation.ArgbEvaluator;import android.animation.ValueAnimator;import android.graphics.Color;import android.os.Bundle;import android.view.View; import com.getbase.floatingactionbutton.FloatingActionButton;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.CircleLayer;import com.mapbox.mapboxsdk.style.layers.FillLayer;import com.mapbox.mapboxsdk.style.layers.Layer;import com.mapbox.mapboxsdk.style.layers.Property;import com.mapbox.mapboxsdk.style.sources.GeoJsonSource; import java.io.IOException;import java.io.InputStream;import java.nio.charset.Charset; import androidx.annotation.NonNull;import androidx.annotation.Nullable;import androidx.appcompat.app.AppCompatActivity; import static com.mapbox.mapboxsdk.style.layers.Property.VISIBLE;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.visibility; /*** Use the style API to highlight different types of data.* In this example, parks, hotels, and attractions are displayed.*/public class PulsingLayerOpacityColorActivity extends AppCompatActivity implements OnMapReadyCallback { private MapView mapView;private ValueAnimator parkColorAnimator;private ValueAnimator hotelColorAnimator;private ValueAnimator attractionsColorAnimator; @Overrideprotected void onCreate(@Nullable 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_lab_pulsing_layer_opacity_color);mapView = findViewById(R.id.mapView);mapView.onCreate(savedInstanceState);mapView.getMapAsync(this);} @Overridepublic void onMapReady(@NonNull final MapboxMap mapboxMap) { mapboxMap.setStyle(Style.LIGHT, new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull final Style style) {// Add the hotels source to the mapGeoJsonSource hotelSource = new GeoJsonSource("hotels", loadJsonFromAsset("la_hotels.geojson"));style.addSource(hotelSource); FillLayer hotelLayer = new FillLayer("hotels", "hotels").withProperties(fillColor(Color.parseColor("#5a9fcf")),visibility(Property.NONE)); style.addLayer(hotelLayer); final FillLayer hotels = (FillLayer) style.getLayer("hotels"); hotelColorAnimator = ValueAnimator.ofObject(new ArgbEvaluator(),Color.parseColor("#5a9fcf"), // Brighter shadeColor.parseColor("#2C6B97") // Darker shade);hotelColorAnimator.setDuration(1000);hotelColorAnimator.setRepeatCount(ValueAnimator.INFINITE);hotelColorAnimator.setRepeatMode(ValueAnimator.REVERSE);hotelColorAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Overridepublic void onAnimationUpdate(ValueAnimator animator) {if (hotels != null) {hotels.setProperties(fillColor((int) animator.getAnimatedValue()));}}}); // Add the attractions source to the mapGeoJsonSource attractionsSource = new GeoJsonSource("attractions", loadJsonFromAsset("la_attractions.geojson"));style.addSource(attractionsSource); CircleLayer attractionsLayer = new CircleLayer("attractions", "attractions").withProperties(circleColor(Color.parseColor("#5a9fcf")),visibility(Property.NONE)); style.addLayer(attractionsLayer); final CircleLayer attractions = (CircleLayer) style.getLayer("attractions"); attractionsColorAnimator = ValueAnimator.ofObject(new ArgbEvaluator(),Color.parseColor("#ec8a8a"), // Brighter shadeColor.parseColor("#de3232") // Darker shade);attractionsColorAnimator.setDuration(1000);attractionsColorAnimator.setRepeatCount(ValueAnimator.INFINITE);attractionsColorAnimator.setRepeatMode(ValueAnimator.REVERSE);attractionsColorAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Overridepublic void onAnimationUpdate(ValueAnimator animator) {if (attractions != null) {attractions.setProperties(circleColor((int) animator.getAnimatedValue()));}}}); final FillLayer parks = (FillLayer) style.getLayer("landuse");if (parks != null) {parks.setProperties(visibility(Property.NONE));} parkColorAnimator = ValueAnimator.ofObject(new ArgbEvaluator(),Color.parseColor("#7ac79c"), // Brighter shadeColor.parseColor("#419a68") // Darker shade);parkColorAnimator.setDuration(1000);parkColorAnimator.setRepeatCount(ValueAnimator.INFINITE);parkColorAnimator.setRepeatMode(ValueAnimator.REVERSE);parkColorAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Overridepublic void onAnimationUpdate(ValueAnimator animator) {if (parks != null) {parks.setProperties(fillColor((int) animator.getAnimatedValue()));}}}); FloatingActionButton toggleHotelsFab = findViewById(R.id.fab_toggle_hotels);toggleHotelsFab.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {setLayerVisible("hotels", style);}}); FloatingActionButton toggleParksFab = findViewById(R.id.fab_toggle_parks);toggleParksFab.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {setLayerVisible("landuse", style);}}); FloatingActionButton toggleAttractionsFab = findViewById(R.id.fab_toggle_attractions);toggleAttractionsFab.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {setLayerVisible("attractions", style);}}); // Start all the animation at the same time so that they are in sync when displayed.parkColorAnimator.start();hotelColorAnimator.start();attractionsColorAnimator.start();}});} private void setLayerVisible(String layerId,@NonNull Style loadedMapStyle) {Layer layer = loadedMapStyle.getLayer(layerId);if (layer == null) {return;}if (VISIBLE.equals(layer.getVisibility().getValue())) {// Layer is visiblelayer.setProperties(visibility(Property.NONE));} else {// Layer isn't visiblelayer.setProperties(visibility(VISIBLE));}} @Overridepublic void onResume() {super.onResume();mapView.onResume();if (hotelColorAnimator != null) {hotelColorAnimator.start();}if (parkColorAnimator != null) {parkColorAnimator.start();}if (attractionsColorAnimator != null) {attractionsColorAnimator.start();}} @Overrideprotected void onStart() {super.onStart();mapView.onStart();} @Overrideprotected void onStop() {super.onStop();mapView.onStop();} @Overridepublic void onPause() {super.onPause();mapView.onPause();if (hotelColorAnimator != null) {hotelColorAnimator.cancel();}if (parkColorAnimator != null) {parkColorAnimator.cancel();}if (attractionsColorAnimator != null) {attractionsColorAnimator.cancel();}} @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);} private String loadJsonFromAsset(String filename) {// Using this method to load in GeoJSON files from the assets folder.try {InputStream is = getAssets().open(filename);int size = is.available();byte[] buffer = new byte[size];is.read(buffer);is.close();return new String(buffer, Charset.forName("UTF-8")); } catch (IOException ex) {ex.printStackTrace();return null;}}}