メインコンテンツまでスキップ

Show a user's location

追加の開発者リソース
A newer version of the Maps SDK is available
This page uses v9.7.1 of the Mapbox Maps SDK. A newer version of the SDK is available. Learn about the latest version, v11.9.0, in the Maps SDK documentation.
Note

This example is a part of the Mapbox Android Demo app. You can find the values for all referenced resources in the res directory. For example, see res/values/activity_strings.xml for R.string.* references used in this example. The dependencies can be found here.The examples use View binding.See setup documention if necessary.

activity_location_component
github View on GitHub
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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_cameraZoom="12" />

</FrameLayout>
LocationComponentActivity.java
github View on GitHub
package com.mapbox.mapboxandroiddemo.examples.location;

import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.widget.Toast;

import com.mapbox.android.core.permissions.PermissionsListener;
import com.mapbox.android.core.permissions.PermissionsManager;
import com.mapbox.mapboxandroiddemo.R;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.location.LocationComponent;
import com.mapbox.mapboxsdk.location.LocationComponentActivationOptions;
import com.mapbox.mapboxsdk.location.modes.CameraMode;
import com.mapbox.mapboxsdk.location.modes.RenderMode;
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 java.util.List;

/**
 * Use the LocationComponent to easily add a device location "puck" to a Mapbox map.
 */
public class LocationComponentActivity extends AppCompatActivity implements
  OnMapReadyCallback, PermissionsListener {

  private PermissionsManager permissionsManager;
  private MapboxMap mapboxMap;
  private MapView mapView;

  @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_location_component);

    mapView = findViewById(R.id.mapView);
    mapView.onCreate(savedInstanceState);
    mapView.getMapAsync(this);
  }

  @Override
  public void onMapReady(@NonNull final MapboxMap mapboxMap) {
    LocationComponentActivity.this.mapboxMap = mapboxMap;

    mapboxMap.setStyle(Style.OUTDOORS,
      new Style.OnStyleLoaded() {
        @Override
        public void onStyleLoaded(@NonNull Style style) {
          enableLocationComponent(style);
        }
      });
  }

  @SuppressWarnings( {"MissingPermission"})
  private void enableLocationComponent(@NonNull Style loadedMapStyle) {
    // Check if permissions are enabled and if not request
    if (PermissionsManager.areLocationPermissionsGranted(this)) {

      // Get an instance of the component
      LocationComponent locationComponent = mapboxMap.getLocationComponent();

      // Activate with options
      locationComponent.activateLocationComponent(
        LocationComponentActivationOptions.builder(this, loadedMapStyle).build());

      // Enable to make component visible
      locationComponent.setLocationComponentEnabled(true);

      // Set the component's camera mode
      locationComponent.setCameraMode(CameraMode.TRACKING);

      // Set the component's render mode
      locationComponent.setRenderMode(RenderMode.COMPASS);
    } else {
      permissionsManager = new PermissionsManager(this);
      permissionsManager.requestLocationPermissions(this);
    }
  }

  @Override
  public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    permissionsManager.onRequestPermissionsResult(requestCode, permissions, grantResults);
  }

  @Override
  public void onExplanationNeeded(List<String> permissionsToExplain) {
    Toast.makeText(this, R.string.user_location_permission_explanation, Toast.LENGTH_LONG).show();
  }

  @Override
  public void onPermissionResult(boolean granted) {
    if (granted) {
      mapboxMap.getStyle(new Style.OnStyleLoaded() {
        @Override
        public void onStyleLoaded(@NonNull Style style) {
          enableLocationComponent(style);
        }
      });
    } else {
      Toast.makeText(this, R.string.user_location_permission_not_granted, Toast.LENGTH_LONG).show();
      finish();
    }
  }

  @Override
  @SuppressWarnings( {"MissingPermission"})
  protected void onStart() {
    super.onStart();
    mapView.onStart();
  }

  @Override
  protected void onResume() {
    super.onResume();
    mapView.onResume();
  }

  @Override
  protected void onPause() {
    super.onPause();
    mapView.onPause();
  }

  @Override
  protected void onStop() {
    super.onStop();
    mapView.onStop();
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    mapView.onSaveInstanceState(outState);
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    mapView.onDestroy();
  }

  @Override
  public void onLowMemory() {
    super.onLowMemory();
    mapView.onLowMemory();
  }
}
追加の開発者リソース