Android 手机获取Mac地址的几种方法

最常用的方法,通过WiFiManager获取:

/**
     * 通过WiFiManager获取mac地址
     * @param context
     * @return
     */
    private static String tryGetWifiMac(Context context) {
        WifiManager wm = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
        WifiInfo wi = wm.getConnectionInfo();
        if (wi == null || wi.getMacAddress() == null) {
            return null;
        }
        if ("02:00:00:00:00:00".equals(wi.getMacAddress().trim())) {
            return null;
        } else {
            return wi.getMacAddress().trim();
        }
    }

这个方法Android 7.0是获取不到的,返回的是null,其实是返回“02:00:00:00:00:00”

根据本地IP获取:

/**
     * 根据IP地址获取MAC地址
     *
     * @return
     */
    private static String getLocalMacAddressFromIp() {
        String strMacAddr = null;
        try {
            //获得IpD地址
            InetAddress ip = getLocalInetAddress();
            byte[] b = NetworkInterface.getByInetAddress(ip).getHardwareAddress();
            StringBuffer buffer = new StringBuffer();
            for (int i = 0; i < b.length; i++) {
                if (i != 0) {
                    buffer.append(':');
                }
                String str = Integer.toHexString(b[i] & 0xFF);
                buffer.append(str.length() == 1 ? 0 + str : str);
            }
            strMacAddr = buffer.toString().toUpperCase();
        } catch (Exception e) {

        }

        return strMacAddr;
    }

/**
     * 获取移动设备本地IP
     *
     * @return
     */
    private static InetAddress getLocalInetAddress() {
        InetAddress ip = null;
        try {
            //列举
            Enumeration<NetworkInterface> en_netInterface = NetworkInterface.getNetworkInterfaces();
            while (en_netInterface.hasMoreElements()) {//是否还有元素
                NetworkInterface ni = (NetworkInterface) en_netInterface.nextElement();//得到下一个元素
                Enumeration<InetAddress> en_ip = ni.getInetAddresses();//得到一个ip地址的列举
                while (en_ip.hasMoreElements()) {
                    ip = en_ip.nextElement();
                    if (!ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1)
                        break;
                    else
                        ip = null;
                }

                if (ip != null) {
                    break;
                }
            }
        } catch (SocketException e) {

            e.printStackTrace();
        }
        return ip;
    }

这个方法Android 7.0及其以下版本都可以获取到。

根据网络接口获取:

    /**
     * 通过网络接口取
     * @return
     */
    private static String getNewMac() {
        try {
            List<NetworkInterface> all = Collections.list(NetworkInterface.getNetworkInterfaces());
            for (NetworkInterface nif : all) {
                if (!nif.getName().equalsIgnoreCase("wlan0")) continue;

                byte[] macBytes = nif.getHardwareAddress();
                if (macBytes == null) {
                    return null;
                }

                StringBuilder res1 = new StringBuilder();
                for (byte b : macBytes) {
                    res1.append(String.format("%02X:", b));
                }

                if (res1.length() > 0) {
                    res1.deleteCharAt(res1.length() - 1);
                }
                return res1.toString();
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return null;
    }

注意网络接口的Name有跟多:dummy0、p2p0、wlan0….其中wlan0就是我们需要WiFi mac地址。这个方法Android 7.0及其以下版本都可以获取到。

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转载自blog.csdn.net/qq_31939617/article/details/80730869