更新多个标记位置Android Google地图

implementation 'com.google.android.gms:play-services-maps:17.0.0'

<com.google.android.gms.maps.MapView
    android:id="@+id/mapView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

private MapView mapView;
private GoogleMap googleMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

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

@Override
public void onMapReady(GoogleMap map) {
    googleMap = map;
    // 在地图上添加标记位置
    addMarkers();
}

private void addMarkers() {
    // 创建标记位置
    MarkerOptions markerOptions1 = new MarkerOptions()
            .position(new LatLng(37.7749, -122.4194))
            .title("San Francisco")
            .snippet("Population: 883,305");

    MarkerOptions markerOptions2 = new MarkerOptions()
            .position(new LatLng(34.0522, -118.2437))
            .title("Los Angeles")
            .snippet("Population: 3,976,322");

    // 添加标记位置到地图
    googleMap.addMarker(markerOptions1);
    googleMap.addMarker(markerOptions2);
}