Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.net.ConnectivityManager; public class Main { public static boolean isConnected(Context pContext) { ConnectivityManager cm = (ConnectivityManager) pContext.getSystemService(Context.CONNECTIVITY_SERVICE); return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnectedOrConnecting(); } }