SpannableUrl - A simple way to show/select/click url links from HTML text on TextView #TextView #URL

SpannableUrl.java

/**
 * @author Bramengton on 01.03.19.
 * HTML text: <string name="text_html"><![CDATA[This is link <a href=http://google.com>Google</a>]]></string>
 * HOW TO USE: setTextViewHTML((TextView) findViewById(R.id.link), getString(R.string.text_html));
 */
public class SpannableUrl extends SpannableStringBuilder {
    public OnLinkClickListener mListener;
    public interface OnLinkClickListener{
        void onClick(URLSpan span);
    }

    public SpannableUrl(final OnLinkClickListener listener){
        super();
        this.mListener = listener;
    }

    private void makeLinkClickable(final URLSpan span) {
        int start = getSpanStart(span);
        int end = getSpanEnd(span);
        int flags = getSpanFlags(span);
        ClickableSpan clickable = new ClickableSpan() {
            public void onClick(@NonNull View view) {
                if(mListener!=null) mListener.onClick(span);
            }
        };
        setSpan(clickable, start, end, flags);
        removeSpan(span);
    }

    public void setTextUrlLink(final AppCompatTextView text, String html){
        CharSequence sequence = Html.fromHtml(html);
        this.append(sequence);
//        SpannableStringBuilder strBuilder = new SpannableStringBuilder(sequence);
        URLSpan[] urls = getSpans(0, sequence.length(), URLSpan.class);
        for(URLSpan span : urls) {
            makeLinkClickable(span);
        }
        text.setText(this);
        text.setMovementMethod(LinkMovementMethod.getInstance());
    }
  
    public void setTextUrlLink(Activity act, int textViewRes, @StringRes int html){
        View v = act.findViewById(textViewRes);
        if(v instanceof AppCompatTextView) setTextUrlLink((AppCompatTextView) v, act.getString(html));
    }
  
    public void setTextUrlLink(AppCompatTextView v, @StringRes int html){        
        setTextUrlLink(v, v.getContext().getString(html));
    }
}