Java tutorial
//package com.java2s; /* * Copyright 2012 Share.Ltd All rights reserved. * Share.Ltd PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * @ApplicationUtil.java - 2013-2-4 5:15:28 - anonymous */ import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public final static boolean isNetWorkConnected(Context ctx) { ConnectivityManager manager = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo network = manager.getActiveNetworkInfo(); if (network != null && network.isConnected()) { if (network.getState() == NetworkInfo.State.CONNECTED) { return true; } } return false; } }