在Xamarin中的棉花糖上获取Mac地址 [英] Getting Mac Address on Marshmallow In Xamarin

问题描述

我一直在尝试几种方法来在Android 6.0上获得MAC，但没有成功):

I've been trying several things to get the MAC on Android 6.0 with no success ):

我已经拥有此权限:

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

这是我的代码:

public string GetMacAdress(Context context)
{
    string mac = GetMacAddressLegacy(context);

    if (mac == "02:00:00:00:00:00")
    {
        NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();

        foreach (NetworkInterface nif in interfaces)
        {
            if (!nif.Name.ToLower().Contains("wlan")) continue;

            var physicalAddress = nif.GetPhysicalAddress();
            byte[] macBytes = physicalAddress.GetAddressBytes();
            if (macBytes == null) continue;

            string macString = BitConverter.ToString(macBytes);
            if (!string.IsNullOrWhiteSpace(macString)) mac = macString.Trim().ToUpper().Replace("-", ":");
        }
    }

    return mac;
}

[Obsolete]
public string GetMacAddressLegacy(Context context)
{
    string toReturn =  "02:00:00:00:00:00";
    if (DetectWifiNetwork())
    {
        isConected = true;
        var telephonyMgr = (WifiManager)context.GetSystemService(Context.WifiService);
        toReturn = telephonyMgr.ConnectionInfo.MacAddress;
        if (!string.IsNullOrWhiteSpace(toReturn)) toReturn = toReturn.Trim().ToUpper();
    }
    else
    {
        isConected = false;
    }
    return toReturn;
}

但是这一行: byte [] macBytes = physicalAddress.GetAddressBytes(); 返回一个空数组.

But this line: byte[] macBytes = physicalAddress.GetAddressBytes(); returns an empty array.

任何人都可以解决这个问题吗?

Anyone could solve this?

推荐答案

尝试使用此代码:

public string GetMacAdress(Context context)
{
    string mac = GetMacAddressLegacy(context);

    if (mac == "02:00:00:00:00:00")
    {
        var interfaces = Java.Net.NetworkInterface.NetworkInterfaces;

        foreach (var nif in interfaces)
        {
            if (!nif.Name.ToLower().Contains("wlan")) continue;

            byte[] macBytes = nif.GetHardwareAddress();

            string macString = BitConverter.ToString(macBytes);
            if (!string.IsNullOrWhiteSpace(macString))   
                mac = macString.Trim().ToUpper().Replace("-", ":");
        }
    }

    return mac;
}

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