how to validate a URL / website name in EditText in Android?

Question

I want to take input, a URL or just a website name like, www.google.com from EditText in Android and on user click on the Button to submit

Answer 1

/** 
* This is used to check the given URL is valid or not.
* @param url
* @return true if url is valid, false otherwise.
*/
private boolean isValidUrl(String url) {
    Pattern p = Patterns.WEB_URL;
    Matcher m = p.matcher(url.toLowerCase());
    return m.matches();
}