LocationService

class in UnityEngine

类成员

//指定是否在用户设置中启用位置服务。
public bool isEnabledByUser { get; }
//返回位置服务状态。
public LocationServiceStatus status { get; }
//最后测量设备的地理位置。
public LocationInfo lastData { get; }

//启动位置服务更新。
Start();
//停止定位服务更新。这可能有助于节省电池寿命。
Stop();

[代码示例]

using System.Collections;
using System.Collections.Generic;
using UnityEngine;


public class GetGPS : MonoBehaviour {


    public string gps_info = "";
    public int flash_num = 1;




    IEnumerator StartGPS()
    {
        //用户设置里的定位服务是否启用  
        if (!Input.location.isEnabledByUser)
        {
            gps_info = "isEnabledByUser value is:" + Input.location.isEnabledByUser.ToString() + " Please turn on the GPS";
            yield break;
        }
        
        Input.location.Start(10.0f, 10.0f);


        int maxWait = 20;
        while (Input.location.status == LocationServiceStatus.Initializing && maxWait > 0)
        {
            yield return new WaitForSeconds(1);
            maxWait--;
        }


        if (maxWait < 1)
        {
            gps_info = "Init GPS service time out";
            yield break;
        }


        if (Input.location.status == LocationServiceStatus.Failed)
        {
            gps_info = "Unable to determine device location";
            yield break;
        }
        else
        {
            gps_info = "N:" + Input.location.lastData.latitude + " E:" + Input.location.lastData.longitude;
            gps_info = gps_info + " Time:" + Input.location.lastData.timestamp;
            yield return new WaitForSeconds(100);
        }
        //如果不需要连续查询位置更新，则停止服务。
        Input.location.Stop();
    }
    void OnGUI()
    {
        GUI.skin.label.fontSize = 28;
        GUI.Label(new Rect(20, 20, 600, 100), gps_info);
        GUI.Label(new Rect(20, 120, 600, 48), flash_num.ToString());


        GUI.skin.button.fontSize = 50;
        if (GUI.Button(new Rect(Screen.width / 2 - 110, 200, 220, 85), "GPS定位"))
        {
            StartCoroutine(StartGPS());
        }
        if (GUI.Button(new Rect(Screen.width / 2 - 110, 500, 220, 85), "刷新GPS"))
        {
            gps_info = "N:" + Input.location.lastData.latitude + " E:" + Input.location.lastData.longitude;
            gps_info = gps_info + " Time:" + Input.location.lastData.timestamp;
            flash_num += 1;
        }
    }
}