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public static boolean checkNetworkAvailability(Context context) {
        ConnectivityManager connMgr = (ConnectivityManager)
                context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = null;
        if (connMgr != null) {
            networkInfo = connMgr.getActiveNetworkInfo();
        }

        return networkInfo != null && networkInfo.isConnected();
    }