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