如何在android中动态更新mapbox上的标记位置？

// 导入Mapbox SDK相关类
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.geometry.LatLng;
import com.mapbox.mapboxsdk.plugins.annotation.Symbol;
import com.mapbox.mapboxsdk.plugins.annotation.SymbolManager;
import com.mapbox.mapboxsdk.plugins.annotation.SymbolOptions;

public class MainActivity extends AppCompatActivity {
    private MapView mapView;
    private MapboxMap mapboxMap;
    private SymbolManager symbolManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Mapbox.getInstance(this, "YOUR_MAPBOX_ACCESS_TOKEN"); // 替换为你的Mapbox访问令牌
        setContentView(R.layout.activity_main);

        mapView = findViewById(R.id.mapView);
        mapView.onCreate(savedInstanceState);
        mapView.getMapAsync(new OnMapReadyCallback() {
            @Override
            public void onMapReady(@NonNull final MapboxMap mapboxMap) {
                MainActivity.this.mapboxMap = mapboxMap;
                symbolManager = new SymbolManager(mapView, mapboxMap);

                // 添加初始标记
                LatLng initialLocation = new LatLng(40.7128, -74.0060); // 纽约市的经纬度
                addMarker(initialLocation);

                // 模拟位置更新
                new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        LatLng updatedLocation = new LatLng(37.7749, -122.4194); // 旧金山的经纬度
                        updateMarker(updatedLocation);
                    }
                }, 5000); // 5秒后更新位置
            }
        });
    }

    private void addMarker(LatLng location) {
        SymbolOptions options = new SymbolOptions()
                .withLatLng(location)
                .withIconImage("marker-icon")
                .withIconSize(1.0f);
        symbolManager.create(options);
    }

    private void updateMarker(LatLng location) {
        Symbol marker = symbolManager.getAnnotations().get(0);
        marker.setLatLng(location);
        symbolManager.update(marker);
    }

    @Override
    public void onStart() {
        super.onStart();
        mapView.onStart();
    }

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

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

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

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

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

<meta-data
    android:name="com.mapbox.token"
    android:value="YOUR_MAPBOX_ACCESS_TOKEN" /> // 替换为你的Mapbox访问令牌