code: protected void removeListeners() {
          Editable text = getText();
          if (text != null) {
              TokenSpanWatcher[] spanWatchers = text.getSpans(0, text.length(), TokenSpanWatcher.class);
              for (TokenSpanWatcher watcher : spanWatchers) {
                  text.removeSpan(watcher);
              }
              removeTextChangedListener(textWatcher);
          }
      }
docs: Remove the TextChangedListeners