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