Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean checkNetworkConnectivity(Context context) { // get the system ConnectivityManager ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo(); if (networkInfo != null && (networkInfo.isAvailable() || networkInfo.isConnectedOrConnecting())) { if (networkInfo.getState() == NetworkInfo.State.CONNECTED) { return true; } // record the fact that there is live connection } return false; } }