Java tutorial
//package com.java2s; /* * Copyright (C) 2011-2012 Dominik Schrmann <dominik@dominikschuermann.de> * * This file is part of AdAway. * * AdAway is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * AdAway is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with AdAway. If not, see <http://www.gnu.org/licenses/>. * */ import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { /** * Checks if Android is online * * @param context * @return returns true if online */ public static boolean isAndroidOnline(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); if (netInfo != null && netInfo.isConnectedOrConnecting()) { return true; } return false; } }