public static boolean isEmote(String content) {  Pattern pattern = Pattern.compile(NOT_EMOJI);  Matcher matcher = pattern.matcher(content);  return matcher.find(); }

text.addTextChangedListener(new TextWatcher() {   @Override   public void beforeTextChanged(CharSequence s, int start, int count, int after) {   }   @Override   public void onTextChanged(CharSequence s, int start, int before, int count) {   }   //可以在這個方法里面操作完成   @Override   public void afterTextChanged(Editable s) {    //如果為true    if (isEmote(s.toString())) {     //刪除輸入的表情，開始位置和結束位置，表情符號長度為2個，所以減2     s.delete(s.length() - 2, s.length());    }else {     textView.setText("(" + s.length() + "/" + "200" + ")");    }   }  });