package com.kale.floating.net;import java.net.Inet4Address;import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.util.Enumeration;import com.kale.floating.MainFloatActivity;import android.content.Context;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.util.Log;/** * @author:金凯 * @tips  :用来获取手机拨号上网（包括CTWAP和CTNET）时由PDSN分配给手机终端的源IP地址 * @date  :2014-1-17 */public class NetManager {    //得到ip地址    public String getPsdnIp() {        String message = new String("未查询到IP地址，请检测网络状态");        try {            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {                NetworkInterface intf = en.nextElement();                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {                    InetAddress inetAddress = enumIpAddr.nextElement();                    //不加判断则会得到IPV6的地址，下面的判断是来得到IPV4的地址                    if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {                    //if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet6Address)                        message = new String(inetAddress.getHostAddress().toString());                    }                }            }        }         catch (SocketException e) {        }        return message;    }    }