Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isConnection(Context applicationContext) { ConnectivityManager connectivityManager = (ConnectivityManager) applicationContext .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo(); if (networkInfo != null && networkInfo.isConnectedOrConnecting()) { return true; } return false; } }