Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { static boolean isNetworkAvailable(Context context) { try { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getActiveNetworkInfo(); return null != info && info.isConnected(); } catch (Exception e) { e.printStackTrace(); } return false; } }