Android 10获取本机MAC地址_android 10 获取mac地址-优快云博客

本文链接：https://blog.youkuaiyun.com/jinhuiyu0403/article/details/120329056

该代码段展示了如何在Java中获取本地计算机的MAC地址和非回环IP。通过遍历网络接口并检查每个IP地址，它能够找到第一个非回环的IPv4地址，并将其转换为MAC地址。这个过程涉及到使用`NetworkInterface`和`InetAddress`类。

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    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;
    }