NetWorkUtils.java

package com.adblog.wifiadb;

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

public class NetWorkUtils {

	public static boolean checkEnable(Context paramContext) {
		boolean i = false;
		NetworkInfo localNetworkInfo = ((ConnectivityManager) paramContext
				.getSystemService("connectivity")).getActiveNetworkInfo();
		if ((localNetworkInfo != null) && (localNetworkInfo.isAvailable()))
			return true;
		return false;
	}

	public static String int2ip(int ipInt) {
        StringBuilder sb = new StringBuilder();
        sb.append(ipInt & 0xFF).append(".");
        sb.append((ipInt >> 8) & 0xFF).append(".");
        sb.append((ipInt >> 16) & 0xFF).append(".");
        sb.append((ipInt >> 24) & 0xFF);
        return sb.toString();
}
	public static String getLocalIpAddress(Context context) {
		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();
//					if (!inetAddress.isLoopbackAddress()) {
//						return inetAddress.getHostAddress().toString();
//					}
//				}
//			}
			WifiManager wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);  
			WifiInfo wifiInfo = wifiManager.getConnectionInfo();  
			int i = wifiInfo.getIpAddress(); 
			return int2ip(i);
		} catch (Exception ex) {
			return " 获取IP出错鸟!!!!请保证是WIFI,或者请重新打开网络!\n"+ex.getMessage();
		}
		// return null;
	}
}