/// <summary>
/// 返回mac地址、imei或者idfa，默认是空的
/// </summary>
/// <returns></returns>
public static string GetMacOrImeiOrIdfa()
{
return(string.Empty);
string mac = _deviceInfo.GetMacAddress();
string imei = _deviceInfo.GetPhoneImei();
string idfa = _deviceInfo.GetIDFA();
if (!string.IsNullOrEmpty(mac))
{
return(mac);
}
if (!string.IsNullOrEmpty(imei))
{
return(imei);
}
if (!string.IsNullOrEmpty(idfa))
{
return(idfa);
}
return("");
}