Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { /** * get connected network type by {@link ConnectivityManager} * <p/> * such as WIFI, MOBILE, ETHERNET, BLUETOOTH, etc. * * @return {@link ConnectivityManager#TYPE_WIFI}, {@link ConnectivityManager#TYPE_MOBILE}, * {@link ConnectivityManager#TYPE_ETHERNET}... */ public static int getConnectedTypeINT(Context context) { NetworkInfo net = getConnectivityManager(context).getActiveNetworkInfo(); if (net != null) { return net.getType(); } return -1; } public static ConnectivityManager getConnectivityManager(Context context) { return (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); } }