获取wifi mac地址

今日研读讯飞 AIUI SDK 对其工具类的实现进行一下简单记录正式版本中使用的功能值得我们借鉴

getWifiMac

为每一个设备设置对应唯一的SN（最好使用设备硬件信息(mac地址，设备序列号等）生成），以便正确统计装机量，避免刷机或者应用卸载重装导致装机量重复计数


/**\* 获取Wifi Mac 默认值空字符串*\* @param paramContext\* @return*/public static String getWifiMac(Context paramContext) {    String result = "";    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {      try {        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();        while (interfaces != null && interfaces.hasMoreElements()) {          NetworkInterface iF = interfaces.nextElement();          byte[] addr = iF.getHardwareAddress();          if (addr == null || addr.length == 0) {            continue;          }          //其他网卡（如rmnet0）的MAC，跳过          if ("wlan0".equalsIgnoreCase(iF.getName()) || "eth0".equalsIgnoreCase(iF.getName())) {            StringBuilder buf = new StringBuilder();            for (byte b : addr) {              buf.append(String.format("%02X:", b));            }            if (buf.length() > 0) {              buf.deleteCharAt(buf.length() - 1);            }            String mac = buf.toString();            if (mac.length() > 0) {              result = mac;              return result;            }          }        }      } catch (Exception e) {        Log.w(TAG, e.toString());      }    } else {      try {        // MAC地址        WifiManager wifi = (WifiManager) paramContext.getApplicationContext().getSystemService(Context.WIFI_SERVICE);        if (wifi != null) {          WifiInfo wiinfo = wifi.getConnectionInfo();          result = wiinfo.getMacAddress();        }      } catch (Throwable e) {        Log.w(TAG, "Failed to get mac Info");      }    }    return result;}