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