get Ip Address - Android java.net

Android examples for java.net:IP Address

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Description

get Ip Address

Demo Code

import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;

public class Main {

  public static String getIpAddress(Context context) {
    String type = getNetWorkType(context);
    if (type.equals("WIFI")) {
      WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
      WifiInfo wi = wm.getConnectionInfo();

      int int_ip = wi.getIpAddress();
      int[] ip = new int[4];
      for (int i = 0; i < 4; i++) {
        ip[i] = ((1 << 8) - 1) & (int_ip >> i * 8);
      }/* w  w  w .  j av a 2 s.c om*/

      return ip[0] + "." + ip[1] + "." + ip[2] + '.' + ip[3];
    }

    if (type.equals("ETHERNET") || type.equals("MOBILE")) {
      try {
        Enumeration<NetworkInterface> eni = NetworkInterface.getNetworkInterfaces();
        while (eni.hasMoreElements()) {
          NetworkInterface ni = eni.nextElement();
          if (!ni.getDisplayName().equals("eth0"))
            continue;
          for (InterfaceAddress ifa : ni.getInterfaceAddresses()) {
            String ip = ifa.getAddress().toString();
            if (ip.contains(".")) {
              return ip.substring(1, ip.length());
            }
          }
        }
      } catch (SocketException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }

    }

    return "0.0.0.0";
  }

  public static String getNetWorkType(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = cm.getActiveNetworkInfo();
    return ni.getTypeName();
  }

}

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