get Wifi Gateway Ip - Android Phone

Android examples for Phone:wifi

  1. HOME
  2. Android
  3. Phone
  4. wifi

Description

get Wifi Gateway Ip

Demo Code


//package com.java2s;

import android.net.wifi.WifiManager;
import android.util.Log;

import java.math.BigInteger;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.nio.ByteOrder;

public class Main {
    public static String getGatewayIp(WifiManager w) {
        return ipAddressToString(w.getDhcpInfo().gateway);
    }// w w w .j a  v a 2s .c om

    public static String ipAddressToString(int ipAddress) {

        if (ByteOrder.nativeOrder().equals(ByteOrder.LITTLE_ENDIAN)) {
            ipAddress = Integer.reverseBytes(ipAddress);
        }

        byte[] ipByteArray = BigInteger.valueOf(ipAddress).toByteArray();

        String ipAddressString;
        try {
            ipAddressString = InetAddress.getByAddress(ipByteArray)
                    .getHostAddress();
        } catch (UnknownHostException ex) {
            Log.e("WIFI_IP", "Unable to get host address.");
            ipAddressString = "NaN";
        }

        return ipAddressString;
    }
}

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