Java Code Examples for android.text.style.URLSpan#getURL()

@Override
public CharSequence getTransformation(CharSequence source, View view) {
    if (view instanceof TextView) {
        TextView textView = (TextView) view;
        Linkify.addLinks(textView, Linkify.WEB_URLS);
        if (textView.getText() == null || !(textView.getText() instanceof Spannable)) {
            return source;
        }
        Spannable text = (Spannable) textView.getText();
        URLSpan[] spans = text.getSpans(0, textView.length(), URLSpan.class);
        for (int i = spans.length - 1; i >= 0; i--) {
            URLSpan oldSpan = spans[i];
            int start = text.getSpanStart(oldSpan);
            int end = text.getSpanEnd(oldSpan);
            String url = oldSpan.getURL();
            text.removeSpan(oldSpan);
            text.setSpan(new CustomTabsURLSpan(activity, url), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        return text;
    }
    return source;
}
 

private void handleUrlSpan() {
    mTimeTextView.setMovementMethod(LinkMovementMethod.getInstance());
    CharSequence text = mTimeTextView.getText();
    SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
    if (text instanceof Spannable) {
        int end = text.length();
        Spannable spannable = (Spannable) mTimeTextView.getText();
        URLSpan[] urlSpans = spannable.getSpans(0, end, URLSpan.class);
        if (urlSpans.length == 0) {
            return;
        }
        // 循环遍历并拦截
        for (URLSpan uri : urlSpans) {
            String url = uri.getURL();
            if (url.indexOf("http://") == 0 || url.indexOf("https://") == 0) {
                CustomUrlSpan customUrlSpan = new CustomUrlSpan(context, url);
                spannableStringBuilder.setSpan(customUrlSpan, spannable.getSpanStart(uri),
                        spannable.getSpanEnd(uri), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
            }
            spannableStringBuilder.removeSpan(uri);
        }
        mTimeTextView.setText(spannableStringBuilder);
    }
}
 

@Override
public CharSequence getTransformation(CharSequence source, View view) {
    if (view instanceof TextView) {
        TextView textView = (TextView) view;
        if (textView.getText() == null || !(textView.getText() instanceof Spannable)) {
            return source;
        }
        SpannableString text = (SpannableString) textView.getText();
        URLSpan[] spans = text.getSpans(0, textView.length(), URLSpan.class);
        for (int i = spans.length - 1; i >= 0; i--) {
            URLSpan oldSpan = spans[i];
            int start = text.getSpanStart(oldSpan);
            int end = text.getSpanEnd(oldSpan);
            String url = oldSpan.getURL();
            text.removeSpan(oldSpan);
            text.setSpan(new CustomUrlSpan(url), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        return text;
    }
    return source;
}
 

private void handlerSpan(URLSpan span) {
    String url = span.getURL();
    if (TextUtils.isEmpty(url)) {
        return;
    }
    Uri uri = Uri.parse(url);
    switch (uri.getScheme()) {
        case "kanqiu":
            if (url.contains("topic")) {
                String tid = uri.getLastPathSegment();
                ContentActivity.startActivity(mActivity, "", tid, "", 1);
            } else if (url.contains("board")) {
                String boardId = uri.getLastPathSegment();
                ThreadListActivity.startActivity(mActivity, boardId);
            }
            break;
        case "app":
            break;
        case "http":
        case "https":
            BrowserActivity.startActivity(mActivity, url);
            break;
    }
}
 

/**
 * Remove underline
 * @param textView
 */
public static void stripUnderlines(TextView textView) {
    Spannable s = (Spannable) textView.getText();
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);

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

    textView.setText(s);
}
 

private void resetLinkSpan(SpannableStringBuilder ssb, RichTextConfig config, URLSpan urlSpan) {
    int start = ssb.getSpanStart(urlSpan);
    int end = ssb.getSpanEnd(urlSpan);
    ssb.removeSpan(urlSpan);
    LinkHolder linkHolder = new LinkHolder(urlSpan.getURL());
    if (config.linkFixCallback != null) {
        config.linkFixCallback.fix(linkHolder);
    }
    LongClickableURLSpan longClickableURLSpan = new LongClickableURLSpan(linkHolder, config.onUrlClickListener, config.onUrlLongClickListener);
    ssb.setSpan(longClickableURLSpan, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
 

/**
 * Parses String containing HTML to Android's Spannable format and displays it in this TextView.
 *
 * @param html String containing HTML, for example: "<b>Hello world!</b>"
 */
public void setHtmlFromString(String html) {
    SpannableStringBuilder spanText = (SpannableStringBuilder) Html.fromHtml(html, new UrlImageGetter(this, getContext(), mImageLoader), new HtmlTagHandler());

    URLSpan[] spans = spanText.getSpans(0, spanText.length(), URLSpan.class);
    // TODO URLSpan 必需用自定义的 ClickableSpan （DiscourseURLSpan） 替换， 否则 URLSpan不可点击， 显示也没有下划线。 WHY?
    for (URLSpan span : spans) {
        int start = spanText.getSpanStart(span);
        int end = spanText.getSpanEnd(span);
        String url = span.getURL();
        if (url != null) {
            spanText.removeSpan(span);
            ClickableSpan span1 = new DiscourseURLSpan(span.getURL());
            spanText.setSpan(span1, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
    }
    // ImageSpan[] images = spanText.getSpans(0, spanText.length(), ImageSpan.class);
    // for (ImageSpan image : images) {
    // int start = spanText.getSpanStart(image);
    // int end = spanText.getSpanEnd(image);
    // L.i("%d-%d :%s", start, end, image.getSource());
    // spanText.removeSpan(image);
    // DynamicDrawableSpan is = new DiscourseImageSpan(getContext(), image.getDrawable());
    // spanText.setSpan(is, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    //
    // }
    setText(spanText);

    // make links work
    setMovementMethod(LinkMovementMethod.getInstance());

    // no flickering when clicking textview for Android < 4
    // text.setTextColor(getResources().getColor(android.R.color.secondary_text_dark_nodisable));
}
 

/**
 * Get the URL for the link displayed at the specified screen coordinates.
 *
 * @param x The x coordinate being queried (from 0 to screen width)
 * @param y The y coordinate being queried (from 0 to screen height)
 * @return The URL for the link at the specified screen coordinates, or
 * null if no link exists there.
 */
public String getURLat(float x, float y) {
    float w = getWidth();
    float h = getHeight();

    //Check for division by zero
    //If width or height is zero, there are probably no links around, so return null.
    if (w == 0 || h == 0)
        return null;

    //Get fraction of total screen
    float x_pos = x / w;
    float y_pos = y / h;

    //Convert to integer row/column index
    int row = (int) Math.floor(y_pos * mRows);
    int col = (int) Math.floor(x_pos * mColumns);

    //Grab row from link layer
    URLSpan[] linkRow = mLinkLayer.get(row);
    URLSpan link;

    //If row exists, and link exists at column, return it
    if (linkRow != null && (link = linkRow[col]) != null)
        return link.getURL();
    else
        return null;
}
 

/**
 * Creates a menu item for URLSpan. <strong>Note: </strong> This method will not create menu item
 * for relative URLs.
 */
private @Nullable ContextMenuItem createMenuItemForUrlSpan(
    Context context,
    ContextMenuItemBuilder menuItemBuilder,
    int itemId,
    Spannable spannable,
    URLSpan span) {
  final String url = span.getURL();
  final int start = spannable.getSpanStart(span);
  final int end = spannable.getSpanEnd(span);
  if (start < 0 || end < 0) {
    return null;
  }
  final CharSequence label = spannable.subSequence(start, end);
  if (TextUtils.isEmpty(url) || TextUtils.isEmpty(label)) {
    return null;
  }

  final Uri uri = Uri.parse(url);
  if (uri.isRelative()) {
    // Generally, only absolute URIs are resolvable to an activity
    return null;
  }

  // Strip out ClickableSpans/UrlSpans from the label text.
  // A11y framework has changed how it handles double-tap from O. It's possible that double-tap
  // on the menu item will invoke ClickableSpans in the label text instead of calling
  // MenuItemClickListener. Thus we should remove ClickableSpans from label text.
  // Also apply this rule to pre-O in order to have consistent text appearance.
  SpannableUtils.stripTargetSpanFromText(label, TARGET_SPAN_CLASS);
  final ContextMenuItem item =
      menuItemBuilder.createMenuItem(context, R.id.group_links, itemId, Menu.NONE, label);
  item.setOnMenuItemClickListener(new UrlSpanMenuItemClickListener(context, uri));
  return item;
}
 

private void stripUnderlines(TextView textView) {
    Spannable s = (Spannable)textView.getText();
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for (URLSpan span : spans) {
        int start = s.getSpanStart(span);
        int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new URLSpanNoUnderline(span.getURL());
        s.setSpan(span, start, end, 0);
    }
    textView.setText(s);
}
 

public static void stripUnderlines(TextView textView) {
    Spannable s = (Spannable) textView.getText();
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for(URLSpan span : spans) {
        int start = s.getSpanStart(span);
        int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new URLSpanNoUnderline(span.getURL());
        s.setSpan(span, start, end, 0);
    }
    textView.setText(s);
}
 

public static void removeUnderlines(final TextView textView) {
    final Spannable s = (Spannable) textView.getText();
    final URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for (URLSpan span : spans) {
        final int start = s.getSpanStart(span);
        final int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new LinkifyCompat.URLSpanNoUnderline(span.getURL());
        s.setSpan(span, start, end, 0);
    }
    textView.setText(s);
}
 

private void stripUnderlines(Spannable s) {
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for (URLSpan span: spans) {
        int start = s.getSpanStart(span);
        int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new URLSpanNoUnderline(span.getURL());
        s.setSpan(span, start, end, 0);
    }
}
 

public static SpannableString convertNormalStringToSpannableString(String txt) {
    // hack to fix android imagespan bug,see
    // http://stackoverflow.com/questions/3253148/imagespan-is-cut-off-incorrectly-aligned
    // if string only contains emotion tags,add a empty char to the end
    String hackTxt;
    if (txt.startsWith("[") && txt.endsWith("]")) {
        hackTxt = txt + " ";
    } else {
        hackTxt = txt;
    }
    // SpannableString value = SpannableString.valueOf(hackTxt);

    String formatted = formatLink(hackTxt);

    Spanned spanned = Html.fromHtml(formatted);

    SpannableString value = new SpannableString(spanned);

    Linkify.addLinks(value, WeiboPatterns.MENTION_URL, WeiboPatterns.MENTION_SCHEME);
    Linkify.addLinks(value, WeiboPatterns.WEB_URL, WeiboPatterns.WEB_SCHEME);
    Linkify.addLinks(value, WeiboPatterns.TOPIC_URL, WeiboPatterns.TOPIC_SCHEME);

    URLSpan[] urlSpans = value.getSpans(0, value.length(), URLSpan.class);
    MyURLSpan weiboSpan;
    for (URLSpan urlSpan : urlSpans) {
        weiboSpan = new MyURLSpan(urlSpan.getURL());
        int start = value.getSpanStart(urlSpan);
        int end = value.getSpanEnd(urlSpan);
        value.removeSpan(urlSpan);
        value.setSpan(weiboSpan, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    }

    TimeLineUtility.addEmotions(value);
    return value;
}
 

private static void removeUnderlines(Spannable p_Text) {
    URLSpan[] spans = p_Text.getSpans(0, p_Text.length(), URLSpan.class);

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

private void stripUnderlines(@NonNull TextView tv) {
   Spannable s = (Spannable) tv.getText();
   URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);

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

   tv.setText(s);
}
 

private HtmlLink getHtmlLink(URLSpan span, String content, int start, int end, float thisXOffset){
    HtmlLink  obj = new HtmlLink(content, start, end, thisXOffset, mFlowTextView.getLinkPaint(), span.getURL());
    mLinks.add(obj);
    return obj;
}
 

private HtmlLink getHtmlLink(URLSpan span, String content, int start, int end, float thisXOffset){
    HtmlLink  obj = new HtmlLink(content, start, end, thisXOffset, mFlowTextView.getLinkPaint(), span.getURL());
    mLinks.add(obj);
    return obj;
}
 

private HtmlLink getHtmlLink(URLSpan span, String content, int start, int end, float thisXOffset) {
    HtmlLink obj = new HtmlLink(content, start, end, thisXOffset, mLinkPaint, span.getURL());
    mLinks.add(obj);
    return obj;
}
 

@Override
public NewTaskUrlSpan convert(URLSpan span) {
    return (new NewTaskUrlSpan(span.getURL()));
}