Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; public class Main { public static boolean verifyConnection(Context context) { boolean isConnected; ConnectivityManager conectivtyManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); isConnected = conectivtyManager.getActiveNetworkInfo() != null && conectivtyManager.getActiveNetworkInfo().isAvailable() && conectivtyManager.getActiveNetworkInfo().isConnected(); return isConnected; } }