Global location search

package com.mapbox.mapboxandroiddemo.examples.plugins;
import android.app.Activity;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import com.google.gson.JsonObject;
import com.mapbox.api.geocoding.v5.models.CarmenFeature;
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.camera.CameraPosition;
import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
import com.mapbox.mapboxsdk.geometry.LatLng;
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.plugins.places.autocomplete.PlaceAutocomplete;
import com.mapbox.mapboxsdk.plugins.places.autocomplete.model.PlaceOptions;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconOffset;
/**
* Use the places plugin to take advantage of Mapbox's location search ("geocoding") capabilities. The plugin
* automatically makes geocoding requests, has built-in saved locations, includes location picker functionality,
* and adds beautiful UI into your Android project.
*/
public class PlacesPluginActivity extends AppCompatActivity implements OnMapReadyCallback {
private static final int REQUEST_CODE_AUTOCOMPLETE = 1;
private MapView mapView;
private MapboxMap mapboxMap;
private CarmenFeature home;
private CarmenFeature work;
private String geojsonSourceLayerId = "geojsonSourceLayerId";
private String symbolIconId = "symbolIconId";
@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_places_plugin);
mapView = findViewById(R.id.mapView);
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(this);
}
@Override
public void onMapReady(@NonNull final MapboxMap mapboxMap) {
this.mapboxMap = mapboxMap;
mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
@Override
public void onStyleLoaded(@NonNull Style style) {
initSearchFab();
addUserLocations();
// Add the symbol layer icon to map for future use
style.addImage(symbolIconId, BitmapFactory.decodeResource(
PlacesPluginActivity.this.getResources(), R.drawable.blue_marker_view));
// Create an empty GeoJSON source using the empty feature collection
setUpSource(style);
// Set up a new symbol layer for displaying the searched location's feature coordinates
setupLayer(style);
}
});
}
private void initSearchFab() {
findViewById(R.id.fab_location_search).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new PlaceAutocomplete.IntentBuilder()
.accessToken(Mapbox.getAccessToken())
.placeOptions(PlaceOptions.builder()
.backgroundColor(Color.parseColor("#EEEEEE"))
.limit(10)
.addInjectedFeature(home)
.addInjectedFeature(work)
.build(PlaceOptions.MODE_CARDS))
.build(PlacesPluginActivity.this);
startActivityForResult(intent, REQUEST_CODE_AUTOCOMPLETE);
}
});
}
private void addUserLocations() {
home = CarmenFeature.builder().text("Mapbox SF Office")
.geometry(Point.fromLngLat(-122.3964485, 37.7912561))
.placeName("50 Beale St, San Francisco, CA")
.id("mapbox-sf")
.properties(new JsonObject())
.build();
work = CarmenFeature.builder().text("Mapbox DC Office")
.placeName("740 15th Street NW, Washington DC")
.geometry(Point.fromLngLat(-77.0338348, 38.899750))
.id("mapbox-dc")
.properties(new JsonObject())
.build();
}
private void setUpSource(@NonNull Style loadedMapStyle) {
loadedMapStyle.addSource(new GeoJsonSource(geojsonSourceLayerId));
}
private void setupLayer(@NonNull Style loadedMapStyle) {
loadedMapStyle.addLayer(new SymbolLayer("SYMBOL_LAYER_ID", geojsonSourceLayerId).withProperties(
iconImage(symbolIconId),
iconOffset(new Float[] {0f, -8f})
));
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK && requestCode == REQUEST_CODE_AUTOCOMPLETE) {
// Retrieve selected location's CarmenFeature
CarmenFeature selectedCarmenFeature = PlaceAutocomplete.getPlace(data);
// Create a new FeatureCollection and add a new Feature to it using selectedCarmenFeature above.
// Then retrieve and update the source designated for showing a selected location's symbol layer icon
if (mapboxMap != null) {
Style style = mapboxMap.getStyle();
if (style != null) {
GeoJsonSource source = style.getSourceAs(geojsonSourceLayerId);
if (source != null) {
source.setGeoJson(FeatureCollection.fromFeatures(
new Feature[] {Feature.fromJson(selectedCarmenFeature.toJson())}));
}
// Move map camera to the selected location
mapboxMap.animateCamera(CameraUpdateFactory.newCameraPosition(
new CameraPosition.Builder()
.target(new LatLng(((Point) selectedCarmenFeature.geometry()).latitude(),
((Point) selectedCarmenFeature.geometry()).longitude()))
.zoom(14)
.build()), 4000);
}
}
}
}
// 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();
mapView.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
}
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