如何在android上实现开放式街道地图，并在标记上显示infowindow？

// 导入必要的类和包
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.InfoWindow;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.Marker;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.OnMarkerClickListener;
import com.baidu.mapapi.model.LatLng;

public class MainActivity extends AppCompatActivity {

    private MapView mapView;
    private BaiduMap baiduMap;

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

        // 初始化地图控件
        mapView = findViewById(R.id.mapView);
        baiduMap = mapView.getMap();

        // 设置地图初始位置和缩放级别
        LatLng initialPosition = new LatLng(39.908860, 116.397390);
        float initialZoom = 12.0f;
        baiduMap.setMapStatus(MapStatusUpdateFactory.newLatLngZoom(initialPosition, initialZoom));

        // 添加标记和InfoWindow
        LatLng markerPosition = new LatLng(39.908860, 116.397390);
        MarkerOptions markerOptions = new MarkerOptions().position(markerPosition).title("Marker");
        baiduMap.addOverlay(markerOptions);

        // 设置标记点击事件监听器
        baiduMap.setOnMarkerClickListener(new OnMarkerClickListener() {
            @Override
            public boolean onMarkerClick(Marker marker) {
                // 创建InfoWindow
                View infoWindowView = getLayoutInflater().inflate(R.layout.info_window_layout, null);
                InfoWindow infoWindow = new InfoWindow(infoWindowView, marker.getPosition(), -100);

                // 显示InfoWindow
                baiduMap.showInfoWindow(infoWindow);

                return true;
            }
        });
    }

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

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

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