No idea how to get html code and tags using android-async-http on Android

I tried to get data between tags in html code from website. But I have not idea how to get it. There is only a little examples of using android-async library.

public class Parser
{
    static final String website1 = "http://google.com";

    void parse1()
    {
        final AsyncHttpClient client = new AsyncHttpClient();
        RequestHandle temp = null;
        final RequestHandle finalTemp = temp;
        temp = client.get(website1, new AsyncHttpResponseHandler() {

            @Override
            public void onStart() {
                // called before request is started
            }

            @Override
            public void onSuccess(int statusCode, Header[] headers, byte[] response)
            {
                // called when response HTTP status is "200 OK"
            }

            @Override
            public void onFailure(int statusCode, Header[] headers, byte[] errorResponse, Throwable e) {
                // called when response HTTP status is "4XX" (eg. 401, 403, 404)
            }

            @Override
            public void onRetry(int retryNo) {
                // called when request is retried
            }
        });
    }

    Parser()
    {
        parse1();
    }
}

Thanks for all answer.