Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Util
 * Connect SDK
 * 
 * Copyright (c) 2014 LG Electronics.
 * Created by Jeffrey Glenn on 27 Feb 2014
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.net.InetAddress;
import java.net.UnknownHostException;

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

public class Main {
    public static InetAddress getIpAddress(Context context) throws UnknownHostException {
        WifiManager wifiMgr = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiMgr.getConnectionInfo();
        int ip = wifiInfo.getIpAddress();

        if (ip == 0) {
            return null;
        } else {
            byte[] ipAddress = convertIpAddress(ip);
            return InetAddress.getByAddress(ipAddress);
        }
    }

    public static byte[] convertIpAddress(int ip) {
        return new byte[] { (byte) (ip & 0xFF), (byte) ((ip >> 8) & 0xFF), (byte) ((ip >> 16) & 0xFF),
                (byte) ((ip >> 24) & 0xFF) };
    }
}