csharp C＃Mono Android获取本机Ip地址

Posted 2021-05-12

  /// <summary>
/// 获取本机IP地址。
/// </summary>
/// <returns></returns>
static public String GetLocalIpAddress()
{
    try
    {
        Java.Util.IEnumeration intfs = Java.Net.NetworkInterface.NetworkInterfaces;
        while (intfs.HasMoreElements)
        {
            Java.Net.NetworkInterface intf = (Java.Net.NetworkInterface)intfs.NextElement();
            Java.Util.IEnumeration ipAddrs = intf.InetAddresses;
            while (ipAddrs.HasMoreElements && !intf.IsLoopback)
            {
                Java.Net.InetAddress inetAddress = (Java.Net.InetAddress)ipAddrs.NextElement();
                if (inetAddress is Java.Net.Inet4Address && !inetAddress.IsLoopbackAddress && !inetAddress.IsLinkLocalAddress)
                {
                    return inetAddress.HostAddress;
                }
            }
        };
    }
    catch (Java.Net.SocketException) { }
    catch (Exception) { }
    return null;
}