Android获取手机端mac地址

    /**
     * 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();
//        }
        String strMac = null;
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            strMac = getLocalMacAddressFromWifiInfo(context);
            return strMac;
        } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            strMac = getMacAddress();
            return strMac;
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            if (!TextUtils.isEmpty(getMacAddress())) {
                strMac = getMacAddress();
                return strMac;
            } else if (!TextUtils.isEmpty(getMachineHardwareAddress())) {
                strMac = getMachineHardwareAddress();
                return strMac;
            } else {
                strMac = getLocalMacAddressFromBusybox();
                return strMac;
            }
        }
        return "02:00:00:00:00:00";


    }

    /**
     * 根据busybox获取本地Mac     *     * @return
     */
    public static String getLocalMacAddressFromBusybox() {
        String result = "";
        String Mac = "";
        result = callCmd("busybox ifconfig", "HWaddr");
        // 如果返回的result == null，则说明网络不可取
        if (result == null) {
            return "网络异常";
        }        // 对该行数据进行解析        // 例如：eth0 Link encap:Ethernet HWaddr 00:16:E8:3E:DF:67
        if (result.length() > 0 && result.contains("HWaddr") == true) {
            Mac = result.substring(result.indexOf("HWaddr") + 6, result.length() - 1);
            result = Mac;
        }
        return result;
    }

    private static String callCmd(String cmd, String filter) {
        String result = "";
        String line = "";
        try {
            Process proc = Runtime.getRuntime().exec(cmd);
            InputStreamReader is = new InputStreamReader(proc.getInputStream());
            BufferedReader br = new BufferedReader(is);
            while ((line = br.readLine()) != null && line.contains(filter) == false) {
                result += line;
            }
            result = line;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }


    /**     * android 7.0及以上 （2）扫描各个网络接口获取mac地址     *     */
    /**
     * 获取设备HardwareAddress地址     *     * @return
     */

    public static String getMachineHardwareAddress() {
        Enumeration interfaces = null;
        try {
            interfaces = NetworkInterface.getNetworkInterfaces();
        } catch (SocketException e) {
            e.printStackTrace();
        }
        String hardWareAddress = null;
        NetworkInterface iF = null;
        if (interfaces == null) {
            return null;
        }
        while (interfaces.hasMoreElements()) {
            iF = interfaces.nextElement();
            try {
                hardWareAddress = bytesToString(iF.getHardwareAddress());
                if (hardWareAddress != null) break;
            } catch (SocketException e) {
                e.printStackTrace();
            }
        }
        return hardWareAddress;
    }

    /***     * byte转为String     *     * @param bytes     * @return     */
    private static String bytesToString(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        StringBuilder buf = new StringBuilder();
        for (byte b : bytes) {
            buf.append(String.format("%02X:", b));
        }
        if (buf.length() > 0) {
            buf.deleteCharAt(buf.length() - 1);
        }
        return buf.toString();
    }


    public static String getLocalMacAddressFromWifiInfo(Context context) {
        WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = wifi.getConnectionInfo();
        return info.getMacAddress();
    }