Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isConnectedToWired(Context context) { ConnectivityManager connec = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); //ConnectivityManager.TYPE_ETHERNET == 9 , but only from API 13 NetworkInfo ethernet = connec.getNetworkInfo(9); if (ethernet != null && ethernet.isConnected()) { return true; } else { return false; } } }