使用NetworkReachability判断当前的网络连接类型，是wifi还是234G

1 using UnityEngine; 2 using System.Collections; 3  4 public class Test : MonoBehaviour { 5  6     string str; 7     // Use this for initialization 8     void Start () { 9         if (Application.internetReachability == NetworkReachability.ReachableViaCarrierDataNetwork)10         {11             str = "2G/3G/4G";12         }13         else if (Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork)14         {15             str = "wifi";16         }17         else if (Application.internetReachability == NetworkReachability.NotReachable)18         {19             str = "No Network";20         }21         22 23     }24     25     // Update is called once per frame26     void Update () {27         28     }29 30     void OnGUI()31     {32         GUILayout.Label(str);33     }34 }