Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { private static NetworkInfo getActiveNetworkInfo(Context context) { if (context == null) { return null; } ConnectivityManager connectiveManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (connectiveManager == null) { return null; } return connectiveManager.getActiveNetworkInfo(); } }