xamarin android,UWP 网络类型和IP地址

 App开发经常要判断网络连通情况，并判断网络类型，获取网络IP。xamarin中可以使用Dependencies提供各平台下的方法，现把各平台代码记录如下：

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 
  6 using Android.App;
  7 using Android.Content;
  8 using Android.OS;
  9 using Android.Runtime;
 10 using Android.Views;
 11 using Android.Widget;
 12 using Xamarin.Forms;
 13 using Test.Droid.Dependencies;
 14 using Android.Net;
 15 using Test.Dependencies;
 16 using Java.Net;
 17 using Java.Util;
 18 using Android.Telephony;
 19 using Android.Net.Wifi;
 20 using Org.Apache.Http.Conn.Util;
 21 
 22 [assembly: Dependency(typeof(NetworkStatusAndroid))]
 23 namespace Test.Droid.Dependencies
 24 {
 25     public class NetworkStatusAndroid : INetworkStatus
 26     {
 27         public bool HasNetwork()
 28         {
 29 
 30             //Test();
 31 
 32             ConnectivityManager cwjManager = (ConnectivityManager)Android.App.Application.Context.GetSystemService(Context.ConnectivityService);
 33             bool hasNetwork = true;
 34             if (cwjManager.ActiveNetworkInfo != null)
 35             {
 36                 hasNetwork = cwjManager.ActiveNetworkInfo.IsAvailable;
 37             }
 38             else
 39             {
 40                 hasNetwork = false;
 41             }
 42 
 43             return hasNetwork;
 44         }
 45         public string GetNetType()
 46         {
 47             return getCurrentNetType(Android.App.Application.Context);
 48         }
 49 
 50         /// <summary>
 51         /// 获取网络类型
 52         /// </summary>
 53         /// <param name="context"></param>
 54         /// <returns></returns>
 55         public static string getCurrentNetType(Context context)
 56         {
 57             String type = "";
 58             ConnectivityManager cm = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
 59             NetworkInfo info = cm.ActiveNetworkInfo;
 60             if (info == null)
 61             {
 62                 type = "null";
 63             }
 64             else if (info.Type == ConnectivityType.Wifi)
 65             {
 66                 type = "wifi";
 67             }
 68             else if (info.Type == ConnectivityType.Mobile)
 69             {
 70                 int subType = (int)info.Subtype;
 71                 if (subType == (int)NetworkType.Cdma || subType == (int)NetworkType.Gprs
 72                 || subType == (int)NetworkType.Edge)
 73                 {
 74                     type = "2g";
 75                 }
 76                 else if (subType == (int)NetworkType.Umts || subType == (int)NetworkType.Hsdpa
 77               || subType == (int)NetworkType.EvdoA || subType == (int)NetworkType.Evdo0
 78               || subType == (int)NetworkType.EvdoB)
 79                 {
 80                     type = "3g";
 81                 }
 82                 else if (subType == (int)NetworkType.Lte)
 83                 {// LTE是3g到4g的过渡，是3.9G的全球标准
 84                     type = "4g";
 85                 }
 86             }
 87             return type;
 88         }
 89 
 90         /// <summary>获取手机wifi
 91         /// </summary>
 92         /// <returns></returns>
 93         public string GetWifiIP()
 94         {
 95             string IP = String.Empty;
 96             Android.Net.Wifi.WifiManager wifi = (Android.Net.Wifi.WifiManager)Forms.Context.GetSystemService(Context.WifiService);
 97             if (wifi.IsWifiEnabled)
 98             {
 99                 Android.Net.Wifi.WifiInfo wifiInfo = wifi.ConnectionInfo;
100                 IP = Mixin.Common.StringFormat.intToIp(wifiInfo.IpAddress);
101             }
102             return IP;
103         }
104 
105         /// <summary>
106         /// 获取手机IP地址
107         /// </summary>
108         /// <returns></returns>
109         public string Test()
110         {
111             IEnumeration ie = NetworkInterface.NetworkInterfaces;
112             while (ie.HasMoreElements)
113             {
114                 NetworkInterface intf = ie.NextElement() as NetworkInterface;
115                 IEnumeration enumIpAddr = intf.InetAddresses;
116                 while (enumIpAddr.HasMoreElements)
117                 {
118 
119                     InetAddress inetAddress = enumIpAddr.NextElement() as InetAddress;
120 
121                     if (!inetAddress.IsLoopbackAddress && (inetAddress as Inet4Address) != null && inetAddress.HostAddress.ToString() != "127.0.0.1")
122                     {
123                         return inetAddress.HostAddress.ToString();
124                     }
125                 }
126             }
127             return null;
128         }
129     }
130 }

Android