获取设备的mac地址和IP地址（android6.0以上专用）

Posted 2020-07-11 紫檀未灭，我亦未去

/**
 * 获取设备HardwareAddress地址
 * @return
 */
public static String getMachineHardwareAddress(){
    Enumeration<NetworkInterface> interfaces = null;
    try {
        interfaces = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        e.printStackTrace();
    }
    String hardWareAddress = null;
    NetworkInterface iF = null;
    while (interfaces.hasMoreElements()) {
         iF = interfaces.nextElement();
        try {
            hardWareAddress = bytesToString(iF.getHardwareAddress());
            if(hardWareAddress == null) continue;
        } catch (SocketException e) {
            e.printStackTrace();
        }
    }
    if(iF != null && iF.getName().equals("wlan0")){
        hardWareAddress = hardWareAddress.replace(":","");
    }
    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();
}

/**
 * 获取设备IP地址
 * @return
 */
public static String getMachineIpAddress(){
    Enumeration<NetworkInterface> interfaces = null;
    try {
        interfaces = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        e.printStackTrace();
    }
    String ipAddress = null;
    NetworkInterface iF = null;
    while (interfaces.hasMoreElements()){
         iF = interfaces.nextElement();
        Enumeration<InetAddress> addressEnumeration = iF.getInetAddresses();
        InetAddress address = addressEnumeration.nextElement();
        ipAddress =  bytesToString(address.getAddress());
        if(ipAddress == null) continue;
    }
    return ipAddress ;
}