Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isConnectedOrConnecting(Context context) { NetworkInfo[] nets = getConnectivityManager(context).getAllNetworkInfo(); if (nets != null) { for (NetworkInfo net : nets) { if (net.isConnectedOrConnecting()) { return true; } } } return false; } public static ConnectivityManager getConnectivityManager(Context context) { return (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); } }