HarmonyOS 鸿蒙Next 获取地理位置信息后，怎么把经纬度提取出来？

package com.example.locationtest.slice;

import com.example.locationtest.GPSEventHandler;
import com.example.locationtest.ResourceTable;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.components.Text;
import ohos.eventhandler.EventHandler;
import ohos.eventhandler.EventRunner;
import ohos.eventhandler.InnerEvent;
import ohos.location.Location;
import ohos.location.Locator;
import ohos.location.LocatorCallback;
import ohos.location.RequestParam;

public class MainAbilitySlice extends AbilitySlice {
    //用来显示纬度
    private Text txtX;
    //用来显示经度
    private Text txtY;
    //用来显示当前位置
    private Text txtAddress;

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_ability_main);
        //初始化纬度文本控件
        txtX = (Text) findComponentById(ResourceTable.Id_text_x);
        //初始化经度文本控件
        txtY = (Text) findComponentById(ResourceTable.Id_text_y);
        //初始化位置文本控件
        txtAddress = (Text) findComponentById(ResourceTable.Id_text_address);
        //实例化locator对象
        Locator locator = new Locator(getContext());
        if (locator.isLocationSwitchOn()) {
            //实例化定位服务场景
            RequestParam requestParam = new RequestParam(
                    RequestParam.SCENE_NAVIGATION);
            //实例化定位服务的回调对象
            CurrentLocatorCallback locatorCallback = new CurrentLocatorCallback();
            //启动一次定位请求
            locator.requestOnce(requestParam, locatorCallback);
        } else {
            //txtX.setText("0");
            //txtY.setText("0");
            txtAddress.setText("请打开位置信息开关！");
        }
    }

    @Override
    public void onActive() {
        super.onActive();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }

    /**
     * 定位回调类，实现LocatorCallback接口
     */
    class CurrentLocatorCallback implements LocatorCallback {
        @Override
        public void onLocationReport(Location location) {
            int eventId = 0;
            long param = 0;
            //定义事件对象
            InnerEvent event = InnerEvent.get(eventId, param, location);
            //获取当前应用的主线程
            EventRunner eventRunner = EventRunner.getMainEventRunner();
            //定义事件处理对象，并绑定到主线程中
            EventHandler eventHandler = new GPSEventHandler
                    (eventRunner, txtX, txtY, txtAddress);
            //把事件发送到事件处理对象中
            eventHandler.sendEvent(event);
        }

        @Override
        public void onStatusChanged(int type) {
            switch (type){
                case Locator.SESSION_START:
                    //会话开始
                    break;
                case Locator.SESSION_STOP:
                    //会话停止
                    break;
            }
        }

        @Override
        public void onErrorReport(int type) {
            switch (type){
                case Locator.ERROR_PERMISSION_NOT_GRANTED:
                    //没权限
                    break;
                case Locator.ERROR_SWITCH_UNOPEN:
                    //位置开关没开
                    break;
            }
        }
    }

package com.example.locationtest;

import ohos.agp.components.Text;
import ohos.eventhandler.EventHandler;
import ohos.eventhandler.EventRunner;
import ohos.eventhandler.InnerEvent;
import ohos.location.GeoAddress;
import ohos.location.GeoConvert;
import ohos.location.Location;

import java.io.IOException;

public class GPSEventHandler extends EventHandler {
    private Text txtX;
    private Text txtY;
    private Text txtAddress;

    public GPSEventHandler(EventRunner eventRunner,
                           Text txtX, Text txtY,
                           Text txtAddress) {
        super(eventRunner);
        this.txtX = txtX;
        this.txtY = txtY;
        this.txtAddress = txtAddress;
    }

    @Override
    protected void processEvent(InnerEvent event) {
        super.processEvent(event);
        //获取事件传递过来的位置信息
        Location location = (Location) event.object;
        //获取位置的纬度
        double x = location.getLatitude();
        //获取位置的经度
        double y = location.getLongitude();
        String addr = "";
        //定义地理解码对象
        GeoConvert geoConvert = new GeoConvert();
        try {
            //通过坐标位置获取地理位置
            GeoAddress ga = geoConvert.getAddressFromLocation
                    (x, y, 1).get(0);
            //获取地理位置的描述
            addr = ga.getDescriptions(0);
        } catch (IOException e) {
            e.printStackTrace();
        }
        //设置文本显示内容
        txtX.setText("纬度为：" + x);
        txtY.setText("经度为：" + y);
        txtAddress.setText("位置为：" + addr);
    }
}