マップ言語の変更
<?xml version="1.0" encoding="utf-8"?><FrameLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:mapbox="http://schemas.android.com/apk/res-auto"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context=".examples.styles.LanguageSwitchActivity"> <com.mapbox.mapboxsdk.maps.MapViewandroid:id="@+id/mapView"android:layout_width="match_parent"android:layout_height="match_parent"mapbox:mapbox_cameraTargetLat="48"mapbox:mapbox_cameraTargetLng="16.05"mapbox:mapbox_cameraZoom="2.9"/> </FrameLayout>
LanguageSwitchActivity.java
package com.mapbox.mapboxandroiddemo.examples.styles; import android.os.Bundle;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import android.view.Menu;import android.view.MenuItem; import com.mapbox.mapboxandroiddemo.R;import com.mapbox.mapboxsdk.Mapbox;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.Layer; import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textField; /*** Use runtime styling to change the language displayed on the map*/public class LanguageSwitchActivity extends AppCompatActivity { private MapView mapView;private MapboxMap map; @Overrideprotected 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_style_language_switch); mapView = findViewById(R.id.mapView);mapView.onCreate(savedInstanceState);mapView.getMapAsync(new OnMapReadyCallback() {@Overridepublic void onMapReady(@NonNull MapboxMap mapboxMap) {map = mapboxMap;mapboxMap.setStyle(Style.LIGHT, new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {}});}});} @Overridepublic void onResume() {super.onResume();mapView.onResume();} @Overrideprotected void onStart() {super.onStart();mapView.onStart();} @Overrideprotected void onStop() {super.onStop();mapView.onStop();} @Overridepublic void onPause() {super.onPause();mapView.onPause();} @Overridepublic void onLowMemory() {super.onLowMemory();mapView.onLowMemory();} @Overrideprotected void onDestroy() {super.onDestroy();mapView.onDestroy();} @Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);mapView.onSaveInstanceState(outState);} @Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.menu_map_langauge, menu);return true;} @Overridepublic boolean onOptionsItemSelected(MenuItem item) {map.getStyle(new Style.OnStyleLoaded() {@Overridepublic void onStyleLoaded(@NonNull Style style) {Layer mapText = style.getLayer("country-label");if (mapText != null) {switch (item.getItemId()) {case R.id.french:mapText.setProperties(textField("{name_fr}"));return;case R.id.russian:mapText.setProperties(textField("{name_ru}"));return;case R.id.german:mapText.setProperties(textField("{name_de}"));return;case R.id.spanish:mapText.setProperties(textField("{name_es}"));return;default:mapText.setProperties(textField("{name_en}"));}}}});return super.onOptionsItemSelected(item);}}