マップフラグメントの上にユーザーロケーションを表示
<?xml version="1.0" encoding="utf-8"?><RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:background="@color/white_pressed"tools:context=".examples.basics.SupportMapFragmentActivity"> <TextViewandroid:id="@+id/fragment_below_textview"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="8dp"android:gravity="center_horizontal"android:text="@string/location_component_fragment_text"/> <androidx.cardview.widget.CardViewandroid:id="@+id/location_frag_cardview"android:layout_width="match_parent"android:layout_height="match_parent"android:layout_marginHorizontal="40dp"android:layout_marginVertical="50dp"android:layout_centerInParent="true"android:layout_gravity="center_horizontal"app:cardCornerRadius="30dp"app:cardElevation="@dimen/cardview_default_elevation"> <FrameLayoutandroid:id="@+id/location_frag_container"android:layout_width="match_parent"android:layout_height="match_parent" /></androidx.cardview.widget.CardView></RelativeLayout>
LocationComponentFragmentActivity.java
package com.mapbox.mapboxandroiddemo.examples.location; import android.os.Bundle;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.camera.CameraPosition;import com.mapbox.mapboxsdk.geometry.LatLng;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.MapboxMap;import com.mapbox.mapboxsdk.maps.MapboxMapOptions;import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;import com.mapbox.mapboxsdk.maps.Style;import com.mapbox.mapboxsdk.maps.SupportMapFragment; import java.util.List; import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import androidx.fragment.app.FragmentTransaction; public class LocationComponentFragmentActivity extends AppCompatActivity implements PermissionsListener { private MapboxMap mapboxMap;private PermissionsManager permissionsManager; @Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_user_location_map_frag); // 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)); // Create supportMapFragmentSupportMapFragment mapFragment;if (savedInstanceState == null) { // Create fragmentfinal FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); // Build a Mapbox mapMapboxMapOptions options = MapboxMapOptions.createFromAttributes(this, null);options.camera(new CameraPosition.Builder().target(new LatLng(38.899895, -77.03401)).zoom(9).build()); // Create map fragmentmapFragment = SupportMapFragment.newInstance(options); // Add map fragment to parent containertransaction.add(R.id.location_frag_container, mapFragment, "com.mapbox.map");transaction.commit();} else {mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentByTag("com.mapbox.map");} if (mapFragment != null) {mapFragment.getMapAsync(new OnMapReadyCallback() {@Overridepublic void onMapReady(@NonNull MapboxMap mapboxMap) {LocationComponentFragmentActivity.this.mapboxMap = mapboxMap;mapboxMap.setStyle(Style.OUTDOORS, new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {enableLocationComponent(style);}});}});}} @SuppressWarnings( {"MissingPermission"})private void enableLocationComponent(@NonNull Style loadedMapStyle) {// Check if permissions are enabled and if not requestif (PermissionsManager.areLocationPermissionsGranted(this)) { // Get an instance of the LocationComponent.LocationComponent locationComponent = mapboxMap.getLocationComponent(); // Activate the LocationComponentlocationComponent.activateLocationComponent(LocationComponentActivationOptions.builder(this, loadedMapStyle).build()); // Enable the LocationComponent so that it's actually visible on the maplocationComponent.setLocationComponentEnabled(true); // Set the LocationComponent's camera modelocationComponent.setCameraMode(CameraMode.TRACKING); // Set the LocationComponent's render modelocationComponent.setRenderMode(RenderMode.NORMAL);} else {permissionsManager = new PermissionsManager(this);permissionsManager.requestLocationPermissions(this);}} @Overridepublic void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {permissionsManager.onRequestPermissionsResult(requestCode, permissions, grantResults);} @Overridepublic void onExplanationNeeded(List<String> permissionsToExplain) {Toast.makeText(this, R.string.user_location_permission_explanation, Toast.LENGTH_LONG).show();} @Overridepublic void onPermissionResult(boolean granted) {if (granted) {mapboxMap.getStyle(new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {enableLocationComponent(style);}});} else {Toast.makeText(this, R.string.user_location_permission_not_granted, Toast.LENGTH_LONG).show();finish();}}}