Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.IOException;

import java.net.InetAddress;

import android.content.Context;

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

public class Main {
    public static String getBroadcastAddress(Context mContext) throws IOException {
        WifiManager wifi = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        DhcpInfo dhcp = wifi.getDhcpInfo();
        // handle null somehow

        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).getHostAddress().toString();
    }
}