Java tutorial
//package com.java2s; import android.net.NetworkInfo.State; import android.content.Context; import android.net.ConnectivityManager; public class Main { public static boolean checkWifyNetworkInfo(Context context) { try { ConnectivityManager conMan = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); //wifi State wifi = conMan.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState(); return (wifi == State.CONNECTED || wifi == State.CONNECTING); } catch (Exception e) { return true; } } }