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

Click to add photo

activity_click_to_add_image
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical">
<com.mapbox.mapboxsdk.maps.MapView
android:id="@+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
mapbox:mapbox_cameraTargetLat="25.7836"
mapbox:mapbox_cameraTargetLng="-80.11725"
mapbox:mapbox_cameraZoom="5" />
</LinearLayout>
ClickToAddImageActivity.java
package com.mapbox.mapboxandroiddemo.examples.styles;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.widget.Toast;
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.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.CircleLayer;
import com.mapbox.mapboxsdk.style.layers.RasterLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.style.sources.ImageSource;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import timber.log.Timber;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
/**
* Tap the map in four locations to set the bounds for an image that is selected from the device's gallery
* and then added to the map.
*/
public class ClickToAddImageActivity extends AppCompatActivity implements
OnMapReadyCallback, MapboxMap.OnMapClickListener {
private static final String ID_IMAGE_SOURCE = "source-id";
private static final String CIRCLE_SOURCE_ID = "circle-source-id";
private static final String ID_IMAGE_LAYER = "layer-id";
private static int PHOTO_PICK_CODE = 4;
private MapView mapView;
private MapboxMap mapboxMap;
private LatLngQuad quad;
private List<Feature> boundsFeatureList;
private List<Point> boundsCirclePointList;
private int imageCountIndex;
@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_click_to_add_image);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(this);
}
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
boundsFeatureList = new ArrayList<>();
boundsCirclePointList = new ArrayList<>();
ClickToAddImageActivity.this.mapboxMap = mapboxMap;
mapboxMap.addOnMapClickListener(ClickToAddImageActivity.this);
imageCountIndex = 0;
initCircleSource(style);
initCircleLayer(style);
Toast.makeText(ClickToAddImageActivity.this, R.string.tap_instructions, Toast.LENGTH_LONG).show();
}
});
}
@Override
public boolean onMapClick(@NonNull LatLng point) {
// Reset the lists once enough LatLngQuad points have been tapped
if (boundsFeatureList.size() == 4) {
boundsFeatureList = new ArrayList<>();
boundsCirclePointList = new ArrayList<>();
}
boundsFeatureList.add(Feature.fromGeometry(Point.fromLngLat(point.getLongitude(), point.getLatitude())));
// Add the click point to the CircleLayer and update the display of the CircleLayer data
boundsCirclePointList.add(Point.fromLngLat(point.getLongitude(), point.getLatitude()));
Style style = mapboxMap.getStyle();
if (style != null) {
GeoJsonSource circleSource = style.getSourceAs(CIRCLE_SOURCE_ID);
if (circleSource != null) {
circleSource.setGeoJson(FeatureCollection.fromFeatures(boundsFeatureList));
}
}
// Once the 4 LatLngQuad points have been set for where the image will placed...
if (boundsCirclePointList.size() == 4) {
// Create the LatLng objects to use in the LatLngQuad
LatLng latLng1 = new LatLng(boundsCirclePointList.get(0).latitude(),
boundsCirclePointList.get(0).longitude());
LatLng latLng2 = new LatLng(boundsCirclePointList.get(1).latitude(),
boundsCirclePointList.get(1).longitude());
LatLng latLng3 = new LatLng(boundsCirclePointList.get(2).latitude(),
boundsCirclePointList.get(2).longitude());
LatLng latLng4 = new LatLng(boundsCirclePointList.get(3).latitude(),
boundsCirclePointList.get(3).longitude());
quad = new LatLngQuad(latLng1, latLng2, latLng3, latLng4);
// Launch the intent to open the device's image gallery picker
Intent pickPhotoIntent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
pickPhotoIntent.setType("image/*");
startActivityForResult(pickPhotoIntent, PHOTO_PICK_CODE);
}
return true;
}
/**
* Set up the CircleLayer source for showing LatLngQuad map click points
*/
private void initCircleSource(@NonNull Style loadedMapStyle) {
loadedMapStyle.addSource(
new GeoJsonSource(CIRCLE_SOURCE_ID, FeatureCollection.fromFeatures(new Feature[] {}))
);
}
/**
* Set up the CircleLayer for showing LatLngQuad map click points
*/
private void initCircleLayer(@NonNull Style loadedMapStyle) {
loadedMapStyle.addLayer(new CircleLayer("circle-layer-bounds-corner-id",
CIRCLE_SOURCE_ID).withProperties(
circleRadius(8f),
circleColor(Color.parseColor("#d004d3"))
));
}
/**
* Calling onActivityResult() to handle the return to the example from the device's image galleyr picker
*/
@Override
public void onActivityResult(int requestCode, int resultCode, final Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PHOTO_PICK_CODE && resultCode == Activity.RESULT_OK) {
if (data == null) {
//Display an error
Timber.d("data == null");
return;
}
if (mapboxMap != null) {
mapboxMap.getStyle(new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
Uri selectedImage = data.getData();
InputStream imageStream;
try {
if (selectedImage != null) {
imageStream = getContentResolver().openInputStream(selectedImage);
Bitmap bitmapOfSelectedImage = BitmapFactory.decodeStream(imageStream);
// Add the imageSource to the map
style.addSource(
new ImageSource(ID_IMAGE_SOURCE + imageCountIndex, quad, bitmapOfSelectedImage));
// Create a raster layer and use the imageSource's ID as the layer's data// Add the layer to the map
style.addLayer(new RasterLayer(ID_IMAGE_LAYER + imageCountIndex,
ID_IMAGE_SOURCE + imageCountIndex));
// Reset lists in preparation for adding more images
boundsFeatureList = new ArrayList<>();
boundsCirclePointList = new ArrayList<>();
imageCountIndex++;
// Clear circles from CircleLayer
GeoJsonSource circleSource = style.getSourceAs(CIRCLE_SOURCE_ID);
if (circleSource != null) {
circleSource.setGeoJson(FeatureCollection.fromFeatures(boundsFeatureList));
}
}
} catch (FileNotFoundException exception) {
exception.printStackTrace();
}
}
});
}
}
}
// Add the mapView lifecycle to the activity's lifecycle methods
@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();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mapView.onLowMemory();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mapboxMap != null) {
mapboxMap.removeOnMapClickListener(this);
}
mapView.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}
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