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/**
 * 通過WiFiManager獲取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();
 }
 }

/**
 * 根據(jù)IP地址獲取MAC地址
 * @return
 */
 private static String getLocalMacAddressFromIp() {
 String strMacAddr = null;
 try {
  //獲得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;
 }
/**
 * 獲取移動設(shè)備本地IP
 * @return
 */
 private static InetAddress getLocalInetAddress() {
 InetAddress ip = null;
 try {
  //列舉
  Enumeration en_netInterface = NetworkInterface.getNetworkInterfaces();
  while (en_netInterface.hasMoreElements()) {//是否還有元素
  NetworkInterface ni = (NetworkInterface) en_netInterface.nextElement();//得到下一個元素
  Enumeration en_ip = ni.getInetAddresses();//得到一個ip地址的列舉
  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;
 }

 /**
 * 通過網(wǎng)絡(luò)接口取
 * @return
 */
 private static String getNewMac() {
 try {
  List 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;
 }