View Utils Android Helpers for View Stuff

ViewUtils.java

package com.andrewreitz.utils;

import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextPaint;
import android.text.method.LinkMovementMethod;
import android.text.style.URLSpan;
import android.widget.TextView;

/**
 * Simple utility class for operations on views.
 */
public final class ViewUtils {

    /**
     * Removes URL underlines in a string by replacing URLSpan occurrences by
     * URLSpanNoUnderline objects.
     *
     * @param text A TextView object.
     */
    public static void removeUnderlines(TextView text) {
        Spannable spannable = new SpannableString(text.getText());
        URLSpan[] spans = spannable.getSpans(0, text.length(), URLSpan.class);

        for (URLSpan span : spans) {
            int start = spannable.getSpanStart(span);
            int end = spannable.getSpanEnd(span);
            spannable.removeSpan(span);
            span = new URLSpanNoUnderline(span.getURL());
            spannable.setSpan(span, start, end, 0);
        }

        text.setText(spannable, TextView.BufferType.NORMAL);
        text.setMovementMethod(LinkMovementMethod.getInstance());
    }

    /** A UrlSpan that does not draw the underline. */
    private static final class URLSpanNoUnderline extends URLSpan {
        public URLSpanNoUnderline(String url) {
            super(url);
        }

        public void updateDrawState(TextPaint drawState) {
            super.updateDrawState(drawState);
            drawState.setUnderlineText(false);
        }
    }

    private ViewUtils() {
        throw new AssertionError("No Instances");
    }
}