android.text.SpannableStringBuilder.getSpans java code examples

  @Override
  public <T> T[] getSpans(int queryStart, int queryEnd, Class<T> kind) {
    T[] ret = super.getSpans(queryStart, queryEnd, kind);
    reverse(ret);
    return ret;
  }
}

public static void replaceUnderlineSpans(SpannableStringBuilder builder, Resources resources) {
 UnderlineSpan[] underlineSpans = builder.getSpans(0, builder.length(), UnderlineSpan.class);
 for (UnderlineSpan span : underlineSpans) {
  int start = builder.getSpanStart(span);
  int end = builder.getSpanEnd(span);
  builder.removeSpan(span);
  builder.setSpan(new SquigglySpan(resources), start, end, 0);
 }
}

Object[] obj = mSpannableStringBuilder.getSpans(0, mSpannableStringBuilder.length(), ParagraphStyle.class);
for (int i = 0; i < obj.length; i++) {
  int start = mSpannableStringBuilder.getSpanStart(obj[i]);

 final Context context = ... // whereever your context is
CharSequence sequence = Html.fromSource(context.getString(R.string.clickable_string));
SpannableStringBuilder strBuilder = new SpannableStringBuilder(sequence);
UnderlineSpan[] underlines = strBuilder.getSpans(UnderlineSpan.class);
for(UnderlineSpan span : underlines) {
  int start = strBuilder.getSpanStart(span);
  int end = strBuilder.getSpanEnd(span);
  int flags = strBuilder.getSpanFlags(span);
  ClickableSpan myActivityLauncher = new ClickableSpan() {
   public void onClick(View view) {
    context.startActivity(getIntentForActivityToStart());
   }
  };

  strBuilder.setSpan(myActivityLauncher, start, end, flags);
}

TextView textView = ...
textView.setText(strBuilder);
textView.setMovementMethod(LinkMovementMethod.getInstance());

SpannableStringBuilder newCueText = new SpannableStringBuilder(cueText);
int cueLength = newCueText.length();
AbsoluteSizeSpan[] absSpans = newCueText.getSpans(0, cueLength, AbsoluteSizeSpan.class);
RelativeSizeSpan[] relSpans = newCueText.getSpans(0, cueLength, RelativeSizeSpan.class);
for (AbsoluteSizeSpan absSpan : absSpans) {
 newCueText.removeSpan(absSpan);

@Test
public void testFontSizeWithEmptyValueIsIgnored() throws IOException, SubtitleDecoderException {
 TtmlSubtitle subtitle = getSubtitle(FONT_SIZE_EMPTY_TTML_FILE);
 assertThat(subtitle.getEventTimeCount()).isEqualTo(2);
 List<Cue> cues = subtitle.getCues(10 * 1000000);
 assertThat(cues).hasSize(1);
 SpannableStringBuilder spannable = (SpannableStringBuilder) cues.get(0).text;
 assertThat(String.valueOf(spannable)).isEqualTo("empty");
 assertThat(spannable.getSpans(0, spannable.length(), RelativeSizeSpan.class)).hasLength(0);
 assertThat(spannable.getSpans(0, spannable.length(), AbsoluteSizeSpan.class)).hasLength(0);
}

@Test
public void testFontSizeWithMissingUnitIsIgnored() throws IOException, SubtitleDecoderException {
 TtmlSubtitle subtitle = getSubtitle(FONT_SIZE_MISSING_UNIT_TTML_FILE);
 assertThat(subtitle.getEventTimeCount()).isEqualTo(2);
 List<Cue> cues = subtitle.getCues(10 * 1000000);
 assertThat(cues).hasSize(1);
 SpannableStringBuilder spannable = (SpannableStringBuilder) cues.get(0).text;
 assertThat(String.valueOf(spannable)).isEqualTo("no unit");
 assertThat(spannable.getSpans(0, spannable.length(), RelativeSizeSpan.class)).hasLength(0);
 assertThat(spannable.getSpans(0, spannable.length(), AbsoluteSizeSpan.class)).hasLength(0);
}

@Test
public void testFontSizeWithInvalidValueIsIgnored() throws IOException, SubtitleDecoderException {
 TtmlSubtitle subtitle = getSubtitle(FONT_SIZE_INVALID_TTML_FILE);
 assertThat(subtitle.getEventTimeCount()).isEqualTo(6);
 List<Cue> cues = subtitle.getCues(10 * 1000000);
 assertThat(cues).hasSize(1);
 SpannableStringBuilder spannable = (SpannableStringBuilder) cues.get(0).text;
 assertThat(String.valueOf(spannable)).isEqualTo("invalid");
 assertThat(spannable.getSpans(0, spannable.length(), RelativeSizeSpan.class)).hasLength(0);
 assertThat(spannable.getSpans(0, spannable.length(), AbsoluteSizeSpan.class)).hasLength(0);
 cues = subtitle.getCues(20 * 1000000);
 assertThat(cues).hasSize(1);
 spannable = (SpannableStringBuilder) cues.get(0).text;
 assertThat(String.valueOf(spannable)).isEqualTo("invalid");
 assertThat(spannable.getSpans(0, spannable.length(), RelativeSizeSpan.class)).hasLength(0);
 assertThat(spannable.getSpans(0, spannable.length(), AbsoluteSizeSpan.class)).hasLength(0);
 cues = subtitle.getCues(30 * 1000000);
 assertThat(cues).hasSize(1);
 spannable = (SpannableStringBuilder) cues.get(0).text;
 assertThat(String.valueOf(spannable)).isEqualTo("invalid dot");
 assertThat(spannable.getSpans(0, spannable.length(), RelativeSizeSpan.class)).hasLength(0);
 assertThat(spannable.getSpans(0, spannable.length(), AbsoluteSizeSpan.class)).hasLength(0);
}

private FixingResult addSpacesAroundSpansUntilFixed(SpannableStringBuilder builder,
                          int widthMeasureSpec, int heightMeasureSpec) {
  Object[] spans = builder.getSpans(0, builder.length(), Object.class);
  List<Object> spansWithSpacesBefore = new ArrayList<>(spans.length);
  List<Object> spansWithSpacesAfter = new ArrayList<>(spans.length);
  for (Object span : spans) {
    int spanStart = builder.getSpanStart(span);
    if (isNotSpace(builder, spanStart - 1)) {
      builder.insert(spanStart, " ");
      spansWithSpacesBefore.add(span);
    }
    int spanEnd = builder.getSpanEnd(span);
    if (isNotSpace(builder, spanEnd)) {
      builder.insert(spanEnd, " ");
      spansWithSpacesAfter.add(span);
    }
    try {
      setTextAndMeasure(builder, widthMeasureSpec, heightMeasureSpec);
      return FixingResult.fixed(spansWithSpacesBefore, spansWithSpacesAfter);
    } catch (IndexOutOfBoundsException ignored) {
    }
  }
  if (HtmlTextView.DEBUG) {
    Log.d(HtmlTextView.TAG, "Could not fix the Spanned by adding spaces around spans");
  }
  return FixingResult.notFixed();
}

Object[] spans = builder.getSpans(matcher.start(), matcher.end(), ImageSpan.class);
if (spans == null || spans.length == 0) {
  builder.setSpan(new ImageSpan(smiley), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

 TextView decription = (TextView)convertView.findViewById(R.id.library_rss_expan_chaild_des_textView);
String dec=d.get_description()+"<a href='"+d.get_link()+"'><u>more</u></a>";
CharSequence sequence = Html.fromHtml(dec);
SpannableStringBuilder strBuilder = new SpannableStringBuilder(sequence);
UnderlineSpan[] underlines = strBuilder.getSpans(0, 10, UnderlineSpan.class);   
for(UnderlineSpan span : underlines) {
  int start = strBuilder.getSpanStart(span);
  int end = strBuilder.getSpanEnd(span);
  int flags = strBuilder.getSpanFlags(span);
  ClickableSpan myActivityLauncher = new ClickableSpan() {
    public void onClick(View view) {
      Log.e(TAG, "on click");
      Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(d.get_link()));
      mContext.startActivity(intent);         
    }
  };
  strBuilder.setSpan(myActivityLauncher, start, end, flags);
}
decription.setText(strBuilder);
decription.setLinksClickable(true);
decription.setMovementMethod(LinkMovementMethod.getInstance());

/**
 * check whether contains (inline) code syntax
 *
 * @param ssb       the content
 * @param position  start position
 * @param keyLength the checking words' length
 * @return TRUE: contains
 */
public static boolean existCodeSyntax(SpannableStringBuilder ssb, int position, int keyLength) {
  TypefaceSpan[] spans = ssb.getSpans(position, position + keyLength, TypefaceSpan.class);
  return spans.length != 0;
}

/**
 * check whether contains image syntax
 *
 * @param ssb       the content
 * @param position  start position
 * @param keyLength the checking words' length
 * @return TRUE: contains
 */
public static boolean existImageSyntax(SpannableStringBuilder ssb, int position, int keyLength) {
  MDImageSpan[] spans = ssb.getSpans(position, position + keyLength, MDImageSpan.class);
  return spans.length != 0;
}

/**
 * check whether contains hyper link syntax
 *
 * @param ssb       the content
 * @param position  start position
 * @param keyLength the checking words' length
 * @return TRUE: contains
 */
public static boolean existHyperLinkSyntax(SpannableStringBuilder ssb, int position, int keyLength) {
  URLSpan[] spans = ssb.getSpans(position, position + keyLength, URLSpan.class);
  return spans.length != 0;
}

/**
 * check whether exists code block span
 *
 * @param ssb   the text
 * @param start the start position
 * @param end   the end position
 * @return if exists, return true
 */
public static boolean existCodeBlockSpan(@NonNull SpannableStringBuilder ssb, int start, int end) {
  MDCodeBlockSpan[] mdCodeBlockSpans = ssb.getSpans(start, end, MDCodeBlockSpan.class);
  return mdCodeBlockSpans != null && mdCodeBlockSpans.length > 0;
}

private Object getLast(Class<? extends Object> kind) {
  /*
   * This knows that the last returned object from getSpans()
   * will be the most recently added.
   */
  Object[] objs = mResult.getSpans(0, mResult.length(), kind);
  return objs.length == 0 ? null : objs[objs.length - 1];
}

public ImageSpan[] getImageSpans(Spanned original, Class<ImageSpan> sourceType) {
   SpannableStringBuilder result = new SpannableStringBuilder(original);
   ImageSpan[] spans = result.getSpans(0, result.length(), sourceType);
   return spans;
 }

private <T> void remove(SpannableStringBuilder sb,Class<T> c){
  T[] spans = sb.getSpans(0,sb.length(), c);
  if(spans!=null){
    for (int i = 0; i < spans.length; i++) {
      sb.removeSpan(spans[i]);
    }
  }
}

/**
 * @return the text as an {@link Editable} (note: not a {@link MentionsEditable} and does not contain mentions)
 */
private Editable getTextWithoutMentions() {
  Editable text = getText();
  SpannableStringBuilder sb = new SpannableStringBuilder(text);
  MentionSpan[] spans = sb.getSpans(0, sb.length(), MentionSpan.class);
  for (MentionSpan span: spans) {
    sb.removeSpan(span);
  }
  return sb;
}

  @Override
  public void onImageReady(String source, int start, int end, Drawable d) {
    Image[] is = spannedBuilder.getSpans(start, end, Image.class);
    for (Image i : is) {
      spannedBuilder.removeSpan(i);
    }
    setSpan(start, end, new Image(source, d));
    notify.notifyViewChange();
  }
}

How to use getSpansmethodin android.text.SpannableStringBuilder

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