Examples

Animated image source (GIF)

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
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">
<com.mapbox.mapboxsdk.maps.MapView
android: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>
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;
@Override
protected 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);
}
@Override
public void onMapReady(@NonNull final MapboxMap map) {
map.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
// Use the RefreshImageRunnable class and runnable to quickly display images for a GIF/video UI experience
InputStream gifInputStream = getResources().openRawResource(R.raw.waving_bear);
runnable = new RefreshImageRunnable(style, Movie.decodeStream(gifInputStream), handler = new Handler());
handler.postDelayed(runnable, 100);
}
});
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
if (handler != null) {
handler.removeCallbacks(runnable);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
@Override
protected 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);
}
@Override
public 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 image
imageSource = 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 map
style.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);
}
}
}
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