Java tutorial
//package com.java2s; /* * Copyright (C) 2011 kontokostas Dimitris (jimkont at gmail dot com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.app.Activity; import android.content.Context; import android.net.ConnectivityManager; public class Main { public static boolean hasInternetAccess(Activity activity) { ConnectivityManager cm = (ConnectivityManager) activity.getSystemService(Context.CONNECTIVITY_SERVICE); if (cm.getActiveNetworkInfo() == null) return false; boolean ret = cm.getActiveNetworkInfo().isConnectedOrConnecting(); return ret; } }