Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isConnectedToTheInternet(Context context) { final ConnectivityManager connManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); final NetworkInfo activeNetwork = connManager.getActiveNetworkInfo(); return (activeNetwork != null && activeNetwork.getState() == NetworkInfo.State.CONNECTED); } }