Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.net.ConnectivityManager; public class Main { public static boolean isNetworkValidate(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (cm.getActiveNetworkInfo() != null) { return cm.getActiveNetworkInfo().isAvailable(); } return false; } }