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android get ip address

  1. public static String getHostIP() {  
  2.   
  3.     String hostIp = null;  
  4.     try {  
  5.         Enumeration nis = NetworkInterface.getNetworkInterfaces();  
  6.         InetAddress ia = null;  
  7.         while (nis.hasMoreElements()) {  
  8.             NetworkInterface ni = (NetworkInterface) nis.nextElement();  
  9.             Enumeration<InetAddress> ias = ni.getInetAddresses();  
  10.             while (ias.hasMoreElements()) {  
  11.                 ia = ias.nextElement();  
  12.                 if (ia instanceof Inet6Address) {  
  13.                     continue;// skip ipv6  
  14.                 }  
  15.                 String ip = ia.getHostAddress();  
  16.                 if (!"127.0.0.1".equals(ip)) {  
  17.                     hostIp = ia.getHostAddress();  
  18.                     break;  
  19.                 }  
  20.             }  
  21.         }  
  22.     } catch (SocketException e) {  
  23.         Log.i("yao""SocketException");  
  24.         e.printStackTrace();  
  25.     }  
  26.     return hostIp;  
  27.   
  28. }  

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