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wxr

2023-03-31 7e42cc13a14b7de31c9f5d5c61cdf24f3246335d

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using System;
using Android.Net;
using Android.Net.Wifi;
using Android.OS;
 
namespace Shared
{   
    public static class WiimuUPnP
    {
        /// <summary>
        /// 获取当前WIFI的名称
        /// </summary>
        /// <value>The ssid.</value>
        public static string SSID
        {
            get
            {
                return getWIFISSID(Shared.Application.Activity);
            }
        }
 
 
        /**
             * 获取SSID
             * @param activity 上下文
             * @return  WIFI 的SSID
             */
        static string getWIFISSID(Android.App.Activity activity)
        {
            var ssid = "unknown id";
 
            if ((int)Build.VERSION.SdkInt <= 26/*8.0*/ || (int)Build.VERSION.SdkInt >= 28/*9.0*/)
            {
                var mWifiManager = (WifiManager)activity.ApplicationContext.GetSystemService(Android.Content.Context.WifiService);
 
                if (mWifiManager != null)
                {
                    var info = mWifiManager.ConnectionInfo;
 
                    if ((int)Build.VERSION.SdkInt < 19/*4.4*/)
                    {
                        return info.SSID;
                    }
                    else
                    {
                        return info.SSID.Replace("\"", "");
                    }
                }
            }
            //8.1
            else if ((int)Build.VERSION.SdkInt == 27)
            {
                var connManager = (ConnectivityManager)activity.ApplicationContext.GetSystemService(Android.Content.Context.ConnectivityService);
                if (connManager != null)
                {
                    var networkInfo = connManager.ActiveNetworkInfo;
                    if (networkInfo.IsConnected)
                    {
                        if (networkInfo.ExtraInfo != null)
                        {
                            return networkInfo.ExtraInfo.Replace("\"", "");
                        }
                    }
                }
            }
            return ssid;
        }
 
 
 
        static Action<string> currentAction;
        /// <summary>
        /// 启动配置无线上网
        /// </summary>
        /// <returns>The start.</returns>
        /// <param name="password">密码</param>
        /// <param name="a">配置完成后反馈的结果</param>
        public static void Start(string password,Action<string> action)
        {
            if (SSID == null)
            {
                return;
            }
 
            Stop();
            dateTime = DateTime.Now;
            currentAction = action;
            action ("TimeOut");
        }
 
        static WiimuUPnP()
        {
            //定时检查
            System.Threading.Tasks.Task.Run(() =>
            {
                while (true)
                {
                    System.Threading.Thread.Sleep(1000);
                    if (20 <= (System.DateTime.Now - dateTime).TotalSeconds)
                    {
                        Stop();
                        if (currentAction != null)
                        {
                            currentAction("TimeOut");
                        }
                    }
                }
            });
        }
 
        /// <summary>
        /// 记录开始时间
        /// </summary>
        static DateTime dateTime = DateTime.MaxValue;
 
        /// <summary>
        /// 停止配置无线上网
        /// </summary>
        public static void Stop()
        {
            dateTime = DateTime.MaxValue;
        }
    }
 
}