Examples
Getting started (3)Create a simple map viewDynamically build a map viewSupport map fragmentDynamic styling (30)HillshadingAdd a vector tile sourceAdd a new layer below labelsAnimate marker positionAdjust a layer's opacityShow time lapseAnimated image source (GIF)Icon update based on API responseChange a layer's colorChange a map's languageColor dependent on zoom levelClick to add photoIndoor MapMarker following routeStyle with missing iconSymbol layer iconsPicture in picturePulsing layer opacityAdd a WMS sourceText anchor positionButton interaction stylingOpacity fadeShow and hide layersSymbolLayer iconsAdjust text labelsMultiple text formatsTransparent render surfaceUse an image sourceAnimated icon movementVariable label placementExtrusions (5)Adjust light location and colorDisplay 3D building height based on vector dataExtrude polygons for 3D indoor mappingRotate and tilt with 3D buildingsUse GeoJSON data to set extrusion heightCamera (5)Animate the map cameraFit camera in bounding boxRestrict map panningRotating cameraZoom to show a cluster's leavesData visualization (33)Baseball spray chartDisplay water depthBiometric fingerprintCalendar integrationCircle icon toggleCircleLayer clustersCircle radiusCircle to icon transitionCreate a line layerCreate hotspots from pointsData time lapseShow heatmap dataDraw a GeoJSON lineDraw a polygon with holesDraw a polygonDraw multiple geometriesJoin local JSON data with vector tile geometriesLine gradientLine behind moving iconMultiple expressionsIcon setting based on Feature propertyOutlined polygon holeSatellite land selectShared preferencesSpinning iconStyle circles categoricallyStyle lines using an identity property functionToggle collision detectionSymbolLayer clusteringSymbol layer info windowZoom-based icon switchUpdate a choropleth layer by zoom levelStyling heatmapsOffline (3)Cache managementA simple offline mapOffline managerQuerying the map (3)Building outlineQuery a map featureSelect a buildingMap style (4)Style attributionLocal style or custom raster styleDefault stylesMapbox Studio styleUser interaction (12)Click on single layerFeature countDrawing search areaHighlighted lineSymbol layer icon size changeInset mapLocation pickerBackground fogRecyclerView DirectionsSearch again in an areaSnaking directionsRecyclerView interactionImage generation (2)Snapshot NotificationShare snapshot imageDevice location (7)Track device locationBasic pulsing locationLocation camera optionsCustom pulsing locationCustomized location iconShow a user's location on a map fragmentShow a user's location

Share snapshot image

activity_snapshot_share
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns: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.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="37.536172"
mapbox:mapbox_cameraTargetLng="126.916954"
mapbox:mapbox_cameraTilt="60"
mapbox:mapbox_cameraZoom="9"
/>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/camera_share_snapshot_image_fab"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"
android:layout_margin="16dp"
fab:fab_size="normal" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
SnapshotShareActivity.java
package com.mapbox.mapboxandroiddemo.examples.snapshot;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.StrictMode;
import android.view.View;
import android.widget.Toast;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.geometry.LatLngBounds;
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.snapshotter.MapSnapshot;
import com.mapbox.mapboxsdk.snapshotter.MapSnapshotter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
public class SnapshotShareActivity extends AppCompatActivity {
private MapView mapView;
private MapboxMap mapboxMap;
private MapSnapshotter mapSnapshotter;
private FloatingActionButton cameraFab;
private boolean hasStartedSnapshotGeneration;
@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_snapshot_share);
cameraFab = findViewById(R.id.camera_share_snapshot_image_fab);
cameraFab.setImageResource(R.drawable.ic_camera);
hasStartedSnapshotGeneration = false;
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
// Set a callback for when MapboxMap is ready to be used
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
SnapshotShareActivity.this.mapboxMap = mapboxMap;
mapboxMap.setStyle(Style.SATELLITE_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
// When user clicks the map, start the snapshotting process with the given parameters
cameraFab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (!hasStartedSnapshotGeneration) {
hasStartedSnapshotGeneration = true;
Toast.makeText(SnapshotShareActivity.this, R.string.loading_snapshot_image, Toast.LENGTH_LONG).show();
startSnapShot(
mapboxMap.getProjection().getVisibleRegion().latLngBounds,
mapView.getMeasuredHeight(),
mapView.getMeasuredWidth());
}
}
});
}
});
// To account for new security measures regarding file management that were released with Android Nougat.
StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
StrictMode.setVmPolicy(builder.build());
}
});
}
/**
* Creates bitmap from given parameters, and creates a notification with that bitmap
*
* @param latLngBounds of map
* @param height of map
* @param width of map
*/
private void startSnapShot(LatLngBounds latLngBounds, int height, int width) {
mapboxMap.getStyle(new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
if (mapSnapshotter == null) {
// Initialize snapshotter with map dimensions and given bounds
MapSnapshotter.Options options =
new MapSnapshotter.Options(width, height)
.withRegion(latLngBounds)
.withCameraPosition(mapboxMap.getCameraPosition())
.withStyle(style.getUri());
mapSnapshotter = new MapSnapshotter(SnapshotShareActivity.this, options);
} else {
// Reuse pre-existing MapSnapshotter instance
mapSnapshotter.setSize(width, height);
mapSnapshotter.setRegion(latLngBounds);
mapSnapshotter.setCameraPosition(mapboxMap.getCameraPosition());
}
mapSnapshotter.start(new MapSnapshotter.SnapshotReadyCallback() {
@Override
public void onSnapshotReady(MapSnapshot snapshot) {
Bitmap bitmapOfMapSnapshotImage = snapshot.getBitmap();
Uri bmpUri = getLocalBitmapUri(bitmapOfMapSnapshotImage);
Intent shareIntent = new Intent();
shareIntent.putExtra(Intent.EXTRA_STREAM, bmpUri);
shareIntent.setType("image/png");
shareIntent.setAction(Intent.ACTION_SEND);
shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
startActivity(Intent.createChooser(shareIntent, "Share map image"));
hasStartedSnapshotGeneration = false;
}
});
}
});
}
private Uri getLocalBitmapUri(Bitmap bmp) {
Uri bmpUri = null;
File file = new File(getExternalFilesDir(Environment.DIRECTORY_PICTURES),
"share_image_" + System.currentTimeMillis() + ".png");
FileOutputStream out = null;
try {
out = new FileOutputStream(file);
bmp.compress(Bitmap.CompressFormat.PNG, 90, out);
try {
out.close();
} catch (IOException exception) {
exception.printStackTrace();
}
bmpUri = Uri.fromFile(file);
} catch (FileNotFoundException exception) {
exception.printStackTrace();
}
return bmpUri;
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onStart() {
super.onStart();
mapView.onStart();
}
@Override
protected void onStop() {
super.onStop();
mapView.onStop();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
// Make sure to stop the snapshotter on pause if it exists
if (mapSnapshotter != null) {
mapSnapshotter.cancel();
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
}
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