How to use

clear

method

in

android.text.SpannableStringBuilder

public void clear() {
 rolledUpCaptions.clear();
 captionStringBuilder.clear();
 italicsStartPosition = C.POSITION_UNSET;
 underlineStartPosition = C.POSITION_UNSET;
 foregroundColorStartPosition = C.POSITION_UNSET;
 backgroundColorStartPosition = C.POSITION_UNSET;
 row = 0;
}

public void unbind() {
  textViewRef = null;
  lastUpdateMillis = 0;
  logBuilder.clearSpans();
  logBuilder.clear();
  logEventQueue.clear();
}

private void clearTypedText() {
  mDefaultKeySsb.clear();
  mDefaultKeySsb.clearSpans();
  Selection.setSelection(mDefaultKeySsb, 0);
}

public void append(char text) {
 if (text == '\n') {
  rolledUpCaptions.add(buildSpannableString());
  captionStringBuilder.clear();
  if (italicsStartPosition != C.POSITION_UNSET) {
   italicsStartPosition = 0;
  }
  if (underlineStartPosition != C.POSITION_UNSET) {
   underlineStartPosition = 0;
  }
  if (foregroundColorStartPosition != C.POSITION_UNSET) {
   foregroundColorStartPosition = 0;
  }
  if (backgroundColorStartPosition != C.POSITION_UNSET) {
   backgroundColorStartPosition = 0;
  }
  while ((rowLock && (rolledUpCaptions.size() >= rowCount))
    || (rolledUpCaptions.size() >= MAXIMUM_ROW_COUNT)) {
   rolledUpCaptions.remove(0);
  }
 } else {
  captionStringBuilder.append(text);
 }
}

@Override
public void clearTypedText() {
  mDefaultKeySsb.clear();
  mDefaultKeySsb.clearSpans();
  Selection.setSelection(mDefaultKeySsb, 0);
}

 debugStringBuilder = new SpannableStringBuilder(debugText);
} else {
 debugStringBuilder.clear();
 debugStringBuilder.append(debugText);

@Override
public void clearTypedText() {
  mDefaultKeySsb.clear();
  mDefaultKeySsb.clearSpans();
  Selection.setSelection(mDefaultKeySsb, 0);
}

public void reset() {
  mCombinedText.setLength(0);
  mStateFeedback.clear();
  for (final Combiner c : mCombiners) {
    c.reset();
  }
}

@Override
public void clearTypedText() {
  mDefaultKeySsb.clear();
  mDefaultKeySsb.clearSpans();
  Selection.setSelection(mDefaultKeySsb, 0);
}

public void preGetCharSequences() {
  out.add(SpannedString.valueOf(stringBuilder));
  stringBuilder.clear();
}

private void clearTypedText() {
  mDefaultKeySsb.clear();
  mDefaultKeySsb.clearSpans();
  Selection.setSelection(mDefaultKeySsb, 0);
}

public void onClickClear(View view) {
  mTextSpanBuffer.clear();
  mDataBufferLastSize = 0;
  mBufferListAdapter.clear();
  mBufferTextView.setText("");
  mDataBuffer.clear();
  mSentBytes = 0;
  mReceivedBytes = 0;
  updateUI();
}

@Override
public void clearSearchResult() {
  if (mApps.setOrderedFilter(null)) {
    mAppsRecyclerView.onSearchResultsChanged();
  }
  // Clear the search query
  mSearchQueryBuilder.clear();
  mSearchQueryBuilder.clearSpans();
  Selection.setSelection(mSearchQueryBuilder, 0);
}

private void updateStateFeedback() {
  mStateFeedback.clear();
  for (int i = mCombiners.size() - 1; i >= 0; --i) {
    mStateFeedback.append(mCombiners.get(i).getCombiningStateFeedback());
  }
}

@Override
public void clearSearchResult() {
  if (mApps.setOrderedFilter(null)) {
    mAppsRecyclerView.onSearchResultsChanged();
  }
  // Clear the search query
  mSearchQueryBuilder.clear();
  mSearchQueryBuilder.clearSpans();
  Selection.setSelection(mSearchQueryBuilder, 0);
}

private void newline() {
  if (indent == null) {
    return;
  }
  if (count >= 15) {
    out.add(SpannedString.valueOf(stringBuilder));
    stringBuilder.clear();
    count = 1;
  } else {
    stringBuilder.append('\n');
    count++;
  }
  for (int i = 0; i < stack.size(); i++) {
    stringBuilder.append(indent);
  }
}

@Override
public void clearSearchResult() {
  if (mApps.setOrderedFilter(null)) {
    mAppsRecyclerView.onSearchResultsChanged();
  }
  // Clear the search query
  mSearchQueryBuilder.clear();
  mSearchQueryBuilder.clearSpans();
  Selection.setSelection(mSearchQueryBuilder, 0);
}

  private void recreateDataView() {

    if (mIsTimestampDisplayMode) {
      mBufferListAdapter.clear();

      final int bufferSize = mDataBuffer.size();
      for (int i = 0; i < bufferSize; i++) {

        final UartDataChunk dataChunk = mDataBuffer.get(i);
        final boolean isRX = dataChunk.getMode() == UartDataChunk.TRANSFERMODE_RX;
        final byte[] bytes = dataChunk.getData();
        final String formattedData = mShowDataInHexFormat ? BleUtils.bytesToHex2(bytes) : BleUtils.bytesToText(bytes, true);

        final String currentDateTimeString = DateFormat.getTimeInstance().format(new Date(dataChunk.getTimestamp()));
        mBufferListAdapter.add(new TimestampData("[" + currentDateTimeString + "] " + (isRX ? "RX" : "TX") + ": " + formattedData, isRX ? mRxColor : mTxColor));
//                mBufferListAdapter.add("[" + currentDateTimeString + "] " + (isRX ? "RX" : "TX") + ": " + formattedData);
      }
      mBufferListView.setSelection(mBufferListAdapter.getCount());
    } else {
      mDataBufferLastSize = 0;
      mTextSpanBuffer.clear();
      mBufferTextView.setText("");
    }
  }

  @Override
  public void clearSearchResult() {
    mApps.setOrderedFilter(null);
    mAppsRecyclerView.onSearchResultsChanged();

    // Clear the search query
    mSearchQueryBuilder.clear();
    mSearchQueryBuilder.clearSpans();
    Selection.setSelection(mSearchQueryBuilder, 0);
  }
}

public void format(final Editable to, final int toStart, final int toEnd, final CharSequence from,
  final int fromStart, final int fromEnd) {
 final int selectionStart = Selection.getSelectionStart(to);
 final int selectionEnd = Selection.getSelectionStart(to);
 buffer.clear();
 buffer.append(to);
 if (selectionStart != -1 && selectionEnd != -1) {
  Selection.setSelection(buffer, selectionStart, selectionEnd);
 }
 buffer.replace(toStart, toEnd, from, fromStart, fromEnd);
 if (!TextUtils.isGraphic(buffer)) {
  return;
 }
 formatPhoneNumberInput(buffer);
}