Detecting WiFi

gistfile1.java

private static boolean isConnected(Context context) {

        ConnectivityManager connectivityManager = (ConnectivityManager)

            context.getSystemService(Context.CONNECTIVITY_SERVICE);

        NetworkInfo networkInfo = null;

        if (connectivityManager != null) {

            networkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

        }

        return networkInfo == null ? false : networkInfo.isConnected();
}