다이얼로그안의 textbox에 글을 입력후 확인을 누르면

글이 업로드 되도록 아래코드와 같이 코딩햇는데

아무 반응이 없습니다 글이 써지지두않구요

무엇이 문제입니까 ㅠㅠㅠ

고수님들 갈켜주세용 ㅠㅠㅠ

protected Dialog onCreateDialog(int id) {

  switch (id) {
  case UPLOAD_BUTTON:
   
   final LinearLayout linear = (LinearLayout)inflater.inflate(R.layout.update_drl, null);
   
   return new AlertDialog.Builder(twitterActivity.this)
     .setTitle("SNS업로드")
     .setView(linear)
     .setPositiveButton("확인",
     new DialogInterface.OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which)
      {
       drl_txt = (EditText)linear.findViewById(R.id.upload_text);
       com = drl_txt.getText().toString();
       try {
        String accessToken = mAccessToken.getToken();
        String accessTokenSecret = mAccessToken.getTokenSecret();
        Configuration config = new ConfigurationBuilder().build();
        OAuthAuthorization oauth = new OAuthAuthorization(config,
          twitter_C.TWITTER_CONSUMER_KEY,
          twitter_C.TWITTER_CONSUMER_SECRET, new AccessToken(
            accessToken, accessTokenSecret));

        String path = Environment.getExternalStorageDirectory()
          .getAbsolutePath();

        mTwitter.updateStatus(com);

       } catch (Exception e) {
        e.printStackTrace();
       }
       Toast.makeText(twitterActivity.this, com, Toast.LENGTH_SHORT).show();
      }

     }).setNegativeButton("취소", null).create();

  }
  return null;
 }