Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isWiFiEnabled(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); // i assume that connectivityManager cannot be null by default - because system service exists always \ NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo(); // simplified style of writing - I like this \ return networkInfo != null && networkInfo.isConnected() && networkInfo.getType() == ConnectivityManager.TYPE_WIFI; } }