Android How to - Get IP address from Context

Question

We would like to know how to get IP address from Context.
Answer

/* w  w w  . j  av  a2  s  .  com*/
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Collections;
import java.util.List;

import org.apache.http.conn.util.InetAddressUtils;

import android.content.Context;
import android.net.DhcpInfo;
import android.net.wifi.WifiManager;

class AndroidAddressUtils {
  public static InetAddress getIPAddress() {
    List<NetworkInterface> interfaces;
    try {
      interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
    } catch (SocketException e) {
      return null;
    }

    for (NetworkInterface intf : interfaces) {
      List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
      for (InetAddress addr : addrs) {
        if (!addr.isLoopbackAddress()
            && InetAddressUtils.isIPv4Address(addr.getHostAddress()
                .toUpperCase())) {
          return addr;
        }
      }
    }
    return null;
  }
  public static InetAddress getBroadcastAddress(Context mContext)
      throws UnknownHostException {
    WifiManager wifi = (WifiManager) mContext
        .getSystemService(Context.WIFI_SERVICE);
    DhcpInfo dhcp = wifi.getDhcpInfo();

    int broadcast = (dhcp.ipAddress & dhcp.netmask) | ~dhcp.netmask;
    byte[] quads = new byte[4];
    for (int k = 0; k < 4; k++)
      quads[k] = (byte) ((broadcast >> k * 8) & 0xFF);
    return InetAddress.getByAddress(quads);
  }
}