イメージソースのアニメーション
activity_animated_image_gif
<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayoutxmlns: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"> <com.mapbox.mapboxsdk.maps.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"mapbox:mapbox_cameraTargetLat="40.73581"mapbox:mapbox_cameraTargetLng="-73.99155"mapbox:mapbox_cameraZoom="3.5"/> </androidx.constraintlayout.widget.ConstraintLayout>
AnimatedImageGifActivity.java
package com.mapbox.mapboxandroiddemo.examples.labs; import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Movie;import android.os.Bundle;import android.os.Handler;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity; import com.mapbox.mapboxandroiddemo.R;import com.mapbox.mapboxsdk.Mapbox;import com.mapbox.mapboxsdk.geometry.LatLng;import com.mapbox.mapboxsdk.geometry.LatLngQuad;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.RasterLayer;import com.mapbox.mapboxsdk.style.sources.ImageSource; import java.io.InputStream; /*** Add an animated image (GIF) anywhere on the map*/public class AnimatedImageGifActivity extends AppCompatActivity implements OnMapReadyCallback { private static final String ID_IMAGE_SOURCE = "animated_image_source";private static final String ID_IMAGE_LAYER = "animated_image_layer"; private MapView mapView;private Handler handler;private Runnable runnable; @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_animated_image_gif); mapView = findViewById(R.id.mapView);mapView.onCreate(savedInstanceState);mapView.getMapAsync(this);} @Overridepublic void onMapReady(@NonNull final MapboxMap map) { map.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {// Use the RefreshImageRunnable class and runnable to quickly display images for a GIF/video UI experienceInputStream gifInputStream = getResources().openRawResource(R.raw.waving_bear);runnable = new RefreshImageRunnable(style, Movie.decodeStream(gifInputStream), handler = new Handler());handler.postDelayed(runnable, 100);}});} @Overrideprotected void onStart() {super.onStart();mapView.onStart();} @Overridepublic void onResume() {super.onResume();mapView.onResume();} @Overridepublic void onPause() {super.onPause();mapView.onPause();} @Overrideprotected void onStop() {super.onStop();mapView.onStop();if (handler != null) {handler.removeCallbacks(runnable);}} @Overrideprotected void onDestroy() {super.onDestroy();mapView.onDestroy();} @Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);mapView.onSaveInstanceState(outState);} private static class RefreshImageRunnable implements Runnable { private ImageSource imageSource;private Style style;private Movie movie;private Handler handler;private long movieStart;private Bitmap bitmap;private Canvas canvas; RefreshImageRunnable(Style style, Movie movie, Handler handler) {this.style = style;this.movie = movie;this.handler = handler;bitmap = Bitmap.createBitmap(movie.width(), movie.height(), Bitmap.Config.ARGB_8888);canvas = new Canvas(bitmap);} @Overridepublic void run() {long now = android.os.SystemClock.uptimeMillis();if (movieStart == 0) {movieStart = now;} int dur = movie.duration();if (dur == 0) {dur = 1000;} movie.setTime((int) ((now - movieStart) % dur));movie.draw(canvas, 0, 0); if (imageSource == null) {// Set the bounds/size of the gif. Then create an image source object with a unique id,// the bounds, and drawable imageimageSource = new ImageSource(ID_IMAGE_SOURCE,new LatLngQuad(new LatLng(46.437, -80.425),new LatLng(46.437, -71.516),new LatLng(37.936, -71.516),new LatLng(37.936, -80.425)), bitmap); // Add the source to the mapstyle.addSource(imageSource); // Create an raster layer with a unique id and the image source created above. Then add the layer to the map.style.addLayer(new RasterLayer(ID_IMAGE_LAYER, ID_IMAGE_SOURCE));} imageSource.setImage(bitmap);handler.postDelayed(this, 50);}}}