如何在android studio中使用json在google地图片段上添加多个标记

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

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback {

    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;

        // 设置地图的初始位置
        LatLng initialLocation = new LatLng(37.7749, -122.4194);
        googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(initialLocation, 12));

        // 添加标记
        try {
            JSONArray markersArray = new JSONArray(getMarkersJson());
            for (int i = 0; i < markersArray.length(); i++) {
                JSONObject markerObject = markersArray.getJSONObject(i);
                double lat = markerObject.getDouble("lat");
                double lng = markerObject.getDouble("lng");
                String title = markerObject.getString("title");
                LatLng position = new LatLng(lat, lng);
                googleMap.addMarker(new MarkerOptions().position(position).title(title));
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    private String getMarkersJson() {
        // 返回包含标记信息的JSON字符串
        return "[{\"lat\": 37.7749, \"lng\": -122.4194, \"title\": \"San Francisco\"}, " +
                "{\"lat\": 34.0522, \"lng\": -118.2437, \"title\": \"Los Angeles\"}, " +
                "{\"lat\": 41.8781, \"lng\": -87.6298, \"title\": \"Chicago\"}]";
    }

    @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 onLowMemory() {
        super.onLowMemory();
        mapView.onLowMemory();
    }
}