How to check if URL is valid in Android

Question

Is there a good way to avoid the \"host is not resolved\" error that crashes an app? Some sort of a way to try connecting to a host ( like a URL ) and see if it\'s even vali

Answer 1

I have tried a lot of methods.And find that no one works fine with this URL:

Now I use the following and everything goes well.

public static boolean checkURL(CharSequence input) {
    if (TextUtils.isEmpty(input)) {
        return false;
    }
    Pattern URL_PATTERN = Patterns.WEB_URL;
    boolean isURL = URL_PATTERN.matcher(input).matches();
    if (!isURL) {
        String urlString = input + "";
        if (URLUtil.isNetworkUrl(urlString)) {
            try {
                new URL(urlString);
                isURL = true;
            } catch (Exception e) {
            }
        }
    }
    return isURL;
}