Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isNetworkConnected(Context context) { ConnectivityManager cManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (cManager != null) { NetworkInfo localNetworkInfo = cManager.getActiveNetworkInfo(); if (localNetworkInfo != null) { return localNetworkInfo.isConnectedOrConnecting(); } } return false; } }